* [PULL 01/43] hw/intc/arm_gic: Fix set pending of PPIs
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 02/43] hw/intc/arm_gic: Fix writes to GICD_ITARGETSRn Peter Maydell
` (42 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
According to the GICv2 specification section 4.3.7, "Interrupt Set-Pending
Registers, GICD_ISPENDRn":
"In a multiprocessor implementation, GICD_ISPENDR0 is banked for each connected
processor. This register holds the Set-pending bits for interrupts 0-31."
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Message-id: 20240524113256.8102-2-sebastian.huber@embedded-brains.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/intc/arm_gic.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index e4b8437f8b8..04e5a11660c 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -1308,12 +1308,15 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
for (i = 0; i < 8; i++) {
if (value & (1 << i)) {
+ int mask = (irq < GIC_INTERNAL) ? (1 << cpu)
+ : GIC_DIST_TARGET(irq + i);
+
if (s->security_extn && !attrs.secure &&
!GIC_DIST_TEST_GROUP(irq + i, 1 << cpu)) {
continue; /* Ignore Non-secure access of Group0 IRQ */
}
- GIC_DIST_SET_PENDING(irq + i, GIC_DIST_TARGET(irq + i));
+ GIC_DIST_SET_PENDING(irq + i, mask);
}
}
} else if (offset < 0x300) {
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 02/43] hw/intc/arm_gic: Fix writes to GICD_ITARGETSRn
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
2024-05-31 12:03 ` [PULL 01/43] hw/intc/arm_gic: Fix set pending of PPIs Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 03/43] hw/arm/xilinx_zynq: Add cache controller Peter Maydell
` (41 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
According to the GICv2 specification section 4.3.12, "Interrupt Processor
Targets Registers, GICD_ITARGETSRn":
"Any change to a CPU targets field value:
[...]
* Has an effect on any pending interrupts. This means:
- adding a CPU interface to the target list of a pending interrupt makes that
interrupt pending on that CPU interface
- removing a CPU interface from the target list of a pending interrupt
removes the pending state of that interrupt on that CPU interface."
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Message-id: 20240524113256.8102-3-sebastian.huber@embedded-brains.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/intc/arm_gic.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index 04e5a11660c..806832439b4 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -1410,6 +1410,13 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
value = ALL_CPU_MASK;
}
s->irq_target[irq] = value & ALL_CPU_MASK;
+ if (irq >= GIC_INTERNAL && s->irq_state[irq].pending) {
+ /*
+ * Changing the target of an interrupt that is currently
+ * pending updates the set of CPUs it is pending on.
+ */
+ s->irq_state[irq].pending = value & ALL_CPU_MASK;
+ }
}
} else if (offset < 0xf00) {
/* Interrupt Configuration. */
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 03/43] hw/arm/xilinx_zynq: Add cache controller
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
2024-05-31 12:03 ` [PULL 01/43] hw/intc/arm_gic: Fix set pending of PPIs Peter Maydell
2024-05-31 12:03 ` [PULL 02/43] hw/intc/arm_gic: Fix writes to GICD_ITARGETSRn Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 04/43] hw/arm/xilinx_zynq: Support up to two CPU cores Peter Maydell
` (40 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
The Zynq 7000 SoCs contain a CoreLink L2C-310 cache controller. Add the
corresponding Qemu device to the xilinx-zynq-a9 machine.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Message-id: 20240524120837.10057-2-sebastian.huber@embedded-brains.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/xilinx_zynq.c | 1 +
hw/arm/Kconfig | 1 +
2 files changed, 2 insertions(+)
diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index fc3abcbe88b..0abb62f131d 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -241,6 +241,7 @@ static void zynq_init(MachineState *machine)
busdev = SYS_BUS_DEVICE(dev);
sysbus_realize_and_unref(busdev, &error_fatal);
sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE);
+ sysbus_create_varargs("l2x0", MPCORE_PERIPHBASE + 0x2000, NULL);
sysbus_connect_irq(busdev, 0,
qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
sysbus_connect_irq(busdev, 1,
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 8b97683a45e..1ad60da7aa2 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -370,6 +370,7 @@ config ZYNQ
select A9MPCORE
select CADENCE # UART
select PFLASH_CFI02
+ select PL310 # cache controller
select PL330
select SDHCI
select SSI_M25P80
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 04/43] hw/arm/xilinx_zynq: Support up to two CPU cores
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (2 preceding siblings ...)
2024-05-31 12:03 ` [PULL 03/43] hw/arm/xilinx_zynq: Add cache controller Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 05/43] tests/avocado: update sbsa-ref firmware Peter Maydell
` (39 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
The Zynq 7000 SoCs contain two Arm Cortex-A9 MPCore (the Zynq 7000S have only
one core). Add support for up to two simulated cores.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Message-id: 20240524120837.10057-3-sebastian.huber@embedded-brains.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: removed unnecessary double-cast]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/xilinx_zynq.c | 54 +++++++++++++++++++++++++++-----------------
1 file changed, 33 insertions(+), 21 deletions(-)
diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index 0abb62f131d..7f7a3d23fbe 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -84,9 +84,12 @@ static const int dma_irqs[8] = {
0xe3401000 + ARMV7_IMM16(extract32((val), 16, 16)), /* movt r1 ... */ \
0xe5801000 + (addr)
+#define ZYNQ_MAX_CPUS 2
+
struct ZynqMachineState {
MachineState parent;
Clock *ps_clk;
+ ARMCPU *cpu[ZYNQ_MAX_CPUS];
};
static void zynq_write_board_setup(ARMCPU *cpu,
@@ -176,13 +179,13 @@ static inline int zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq,
static void zynq_init(MachineState *machine)
{
ZynqMachineState *zynq_machine = ZYNQ_MACHINE(machine);
- ARMCPU *cpu;
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *ocm_ram = g_new(MemoryRegion, 1);
DeviceState *dev, *slcr;
SysBusDevice *busdev;
qemu_irq pic[64];
int n;
+ unsigned int smp_cpus = machine->smp.cpus;
/* max 2GB ram */
if (machine->ram_size > 2 * GiB) {
@@ -190,22 +193,27 @@ static void zynq_init(MachineState *machine)
exit(EXIT_FAILURE);
}
- cpu = ARM_CPU(object_new(machine->cpu_type));
+ for (n = 0; n < smp_cpus; n++) {
+ Object *cpuobj = object_new(machine->cpu_type);
- /* By default A9 CPUs have EL3 enabled. This board does not
- * currently support EL3 so the CPU EL3 property is disabled before
- * realization.
- */
- if (object_property_find(OBJECT(cpu), "has_el3")) {
- object_property_set_bool(OBJECT(cpu), "has_el3", false, &error_fatal);
+ /*
+ * By default A9 CPUs have EL3 enabled. This board does not currently
+ * support EL3 so the CPU EL3 property is disabled before realization.
+ */
+ if (object_property_find(cpuobj, "has_el3")) {
+ object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
+ }
+
+ object_property_set_int(cpuobj, "midr", ZYNQ_BOARD_MIDR,
+ &error_fatal);
+ object_property_set_int(cpuobj, "reset-cbar", MPCORE_PERIPHBASE,
+ &error_fatal);
+
+ qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
+
+ zynq_machine->cpu[n] = ARM_CPU(cpuobj);
}
- object_property_set_int(OBJECT(cpu), "midr", ZYNQ_BOARD_MIDR,
- &error_fatal);
- object_property_set_int(OBJECT(cpu), "reset-cbar", MPCORE_PERIPHBASE,
- &error_fatal);
- qdev_realize(DEVICE(cpu), NULL, &error_fatal);
-
/* DDR remapped to address zero. */
memory_region_add_subregion(address_space_mem, 0, machine->ram);
@@ -237,15 +245,19 @@ static void zynq_init(MachineState *machine)
sysbus_mmio_map(SYS_BUS_DEVICE(slcr), 0, 0xF8000000);
dev = qdev_new(TYPE_A9MPCORE_PRIV);
- qdev_prop_set_uint32(dev, "num-cpu", 1);
+ qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
busdev = SYS_BUS_DEVICE(dev);
sysbus_realize_and_unref(busdev, &error_fatal);
sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE);
+ zynq_binfo.gic_cpu_if_addr = MPCORE_PERIPHBASE + 0x100;
sysbus_create_varargs("l2x0", MPCORE_PERIPHBASE + 0x2000, NULL);
- sysbus_connect_irq(busdev, 0,
- qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
- sysbus_connect_irq(busdev, 1,
- qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ));
+ for (n = 0; n < smp_cpus; n++) {
+ DeviceState *cpudev = DEVICE(zynq_machine->cpu[n]);
+ sysbus_connect_irq(busdev, (2 * n) + 0,
+ qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
+ sysbus_connect_irq(busdev, (2 * n) + 1,
+ qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
+ }
for (n = 0; n < 64; n++) {
pic[n] = qdev_get_gpio_in(dev, n);
@@ -350,7 +362,7 @@ static void zynq_init(MachineState *machine)
zynq_binfo.board_setup_addr = BOARD_SETUP_ADDR;
zynq_binfo.write_board_setup = zynq_write_board_setup;
- arm_load_kernel(cpu, machine, &zynq_binfo);
+ arm_load_kernel(zynq_machine->cpu[0], machine, &zynq_binfo);
}
static void zynq_machine_class_init(ObjectClass *oc, void *data)
@@ -362,7 +374,7 @@ static void zynq_machine_class_init(ObjectClass *oc, void *data)
MachineClass *mc = MACHINE_CLASS(oc);
mc->desc = "Xilinx Zynq Platform Baseboard for Cortex-A9";
mc->init = zynq_init;
- mc->max_cpus = 1;
+ mc->max_cpus = ZYNQ_MAX_CPUS;
mc->no_sdcard = 1;
mc->ignore_memory_transaction_failures = true;
mc->valid_cpu_types = valid_cpu_types;
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 05/43] tests/avocado: update sbsa-ref firmware
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (3 preceding siblings ...)
2024-05-31 12:03 ` [PULL 04/43] hw/arm/xilinx_zynq: Support up to two CPU cores Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 06/43] arm/sbsa-ref: move to Neoverse-N2 as default Peter Maydell
` (38 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Partial support for NUMA setup:
- cpu nodes
- memory nodes
Used versions:
- Trusted Firmware v2.11.0
- Tianocore EDK2 stable202405
- Tianocore EDK2 Platforms code commit 4bbd0ed
Firmware is built using Debian 'bookworm' cross toolchain (gcc 12.2.0).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
tests/avocado/machine_aarch64_sbsaref.py | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/tests/avocado/machine_aarch64_sbsaref.py b/tests/avocado/machine_aarch64_sbsaref.py
index 98c76c1ff70..6bb82f2a03c 100644
--- a/tests/avocado/machine_aarch64_sbsaref.py
+++ b/tests/avocado/machine_aarch64_sbsaref.py
@@ -37,18 +37,18 @@ def fetch_firmware(self):
Used components:
- - Trusted Firmware 2.10.2
- - Tianocore EDK2 stable202402
- - Tianocore EDK2-platforms commit 085c2fb
+ - Trusted Firmware 2.11.0
+ - Tianocore EDK2 stable202405
+ - Tianocore EDK2-platforms commit 4bbd0ed
"""
# Secure BootRom (TF-A code)
fs0_xz_url = (
"https://artifacts.codelinaro.org/artifactory/linaro-419-sbsa-ref/"
- "20240313-116475/edk2/SBSA_FLASH0.fd.xz"
+ "20240528-140808/edk2/SBSA_FLASH0.fd.xz"
)
- fs0_xz_hash = "637593749cc307dea7dc13265c32e5d020267552f22b18a31850b8429fc5e159"
+ fs0_xz_hash = "fa6004900b67172914c908b78557fec4d36a5f784f4c3dd08f49adb75e1892a9"
tar_xz_path = self.fetch_asset(fs0_xz_url, asset_hash=fs0_xz_hash,
algorithm='sha256')
archive.extract(tar_xz_path, self.workdir)
@@ -57,9 +57,9 @@ def fetch_firmware(self):
# Non-secure rom (UEFI and EFI variables)
fs1_xz_url = (
"https://artifacts.codelinaro.org/artifactory/linaro-419-sbsa-ref/"
- "20240313-116475/edk2/SBSA_FLASH1.fd.xz"
+ "20240528-140808/edk2/SBSA_FLASH1.fd.xz"
)
- fs1_xz_hash = "cb0a5e8cf5e303c5d3dc106cfd5943ffe9714b86afddee7164c69ee1dd41991c"
+ fs1_xz_hash = "5f3747d4000bc416d9641e33ff4ac60c3cc8cb74ca51b6e932e58531c62eb6f7"
tar_xz_path = self.fetch_asset(fs1_xz_url, asset_hash=fs1_xz_hash,
algorithm='sha256')
archive.extract(tar_xz_path, self.workdir)
@@ -98,15 +98,15 @@ def test_sbsaref_edk2_firmware(self):
# AP Trusted ROM
wait_for_console_pattern(self, "Booting Trusted Firmware")
- wait_for_console_pattern(self, "BL1: v2.10.2(release):")
+ wait_for_console_pattern(self, "BL1: v2.11.0(release):")
wait_for_console_pattern(self, "BL1: Booting BL2")
# Trusted Boot Firmware
- wait_for_console_pattern(self, "BL2: v2.10.2(release)")
+ wait_for_console_pattern(self, "BL2: v2.11.0(release)")
wait_for_console_pattern(self, "Booting BL31")
# EL3 Runtime Software
- wait_for_console_pattern(self, "BL31: v2.10.2(release)")
+ wait_for_console_pattern(self, "BL31: v2.11.0(release)")
# Non-trusted Firmware
wait_for_console_pattern(self, "UEFI firmware (version 1.0")
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 06/43] arm/sbsa-ref: move to Neoverse-N2 as default
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (4 preceding siblings ...)
2024-05-31 12:03 ` [PULL 05/43] tests/avocado: update sbsa-ref firmware Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 07/43] target/arm: Improve vector UQADD, UQSUB, SQADD, SQSUB Peter Maydell
` (37 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Moving to Neoverse-N2 gives us several cpu features to use for expanding
our platform:
- branch target identification
- pointer authentication
- RME for confidential computing
- RNG for EFI_PROTOCOL_RNG
- SVE being enabled by default
We do not go for "max" as default to have stable set of features enabled
by default. It is still supported and can be selected with "--cpu"
argument.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Message-id: 20240523165353.6547-1-marcin.juszkiewicz@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/sbsa-ref.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c
index 57c337fd92a..e884692f07f 100644
--- a/hw/arm/sbsa-ref.c
+++ b/hw/arm/sbsa-ref.c
@@ -891,7 +891,7 @@ static void sbsa_ref_class_init(ObjectClass *oc, void *data)
mc->init = sbsa_ref_init;
mc->desc = "QEMU 'SBSA Reference' ARM Virtual Machine";
- mc->default_cpu_type = ARM_CPU_TYPE_NAME("neoverse-n1");
+ mc->default_cpu_type = ARM_CPU_TYPE_NAME("neoverse-n2");
mc->valid_cpu_types = valid_cpu_types;
mc->max_cpus = 512;
mc->pci_allow_0_address = true;
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 07/43] target/arm: Improve vector UQADD, UQSUB, SQADD, SQSUB
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (5 preceding siblings ...)
2024-05-31 12:03 ` [PULL 06/43] arm/sbsa-ref: move to Neoverse-N2 as default Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 08/43] target/arm: Assert oprsz in range when using vfp.qc Peter Maydell
` (36 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
No need for a full comparison; xor produces non-zero bits
for QC just fine.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/gengvec.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 22c9d17dce4..bfe6885a018 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -1217,21 +1217,21 @@ void gen_gvec_sshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
-static void gen_uqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec sat,
+static void gen_uqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
TCGv_vec x = tcg_temp_new_vec_matching(t);
tcg_gen_add_vec(vece, x, a, b);
tcg_gen_usadd_vec(vece, t, a, b);
- tcg_gen_cmp_vec(TCG_COND_NE, vece, x, x, t);
- tcg_gen_or_vec(vece, sat, sat, x);
+ tcg_gen_xor_vec(vece, x, x, t);
+ tcg_gen_or_vec(vece, qc, qc, x);
}
void gen_gvec_uqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
{
static const TCGOpcode vecop_list[] = {
- INDEX_op_usadd_vec, INDEX_op_cmp_vec, INDEX_op_add_vec, 0
+ INDEX_op_usadd_vec, INDEX_op_add_vec, 0
};
static const GVecGen4 ops[4] = {
{ .fniv = gen_uqadd_vec,
@@ -1259,21 +1259,21 @@ void gen_gvec_uqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
-static void gen_sqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec sat,
+static void gen_sqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
TCGv_vec x = tcg_temp_new_vec_matching(t);
tcg_gen_add_vec(vece, x, a, b);
tcg_gen_ssadd_vec(vece, t, a, b);
- tcg_gen_cmp_vec(TCG_COND_NE, vece, x, x, t);
- tcg_gen_or_vec(vece, sat, sat, x);
+ tcg_gen_xor_vec(vece, x, x, t);
+ tcg_gen_or_vec(vece, qc, qc, x);
}
void gen_gvec_sqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
{
static const TCGOpcode vecop_list[] = {
- INDEX_op_ssadd_vec, INDEX_op_cmp_vec, INDEX_op_add_vec, 0
+ INDEX_op_ssadd_vec, INDEX_op_add_vec, 0
};
static const GVecGen4 ops[4] = {
{ .fniv = gen_sqadd_vec,
@@ -1301,21 +1301,21 @@ void gen_gvec_sqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
-static void gen_uqsub_vec(unsigned vece, TCGv_vec t, TCGv_vec sat,
+static void gen_uqsub_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
TCGv_vec x = tcg_temp_new_vec_matching(t);
tcg_gen_sub_vec(vece, x, a, b);
tcg_gen_ussub_vec(vece, t, a, b);
- tcg_gen_cmp_vec(TCG_COND_NE, vece, x, x, t);
- tcg_gen_or_vec(vece, sat, sat, x);
+ tcg_gen_xor_vec(vece, x, x, t);
+ tcg_gen_or_vec(vece, qc, qc, x);
}
void gen_gvec_uqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
{
static const TCGOpcode vecop_list[] = {
- INDEX_op_ussub_vec, INDEX_op_cmp_vec, INDEX_op_sub_vec, 0
+ INDEX_op_ussub_vec, INDEX_op_sub_vec, 0
};
static const GVecGen4 ops[4] = {
{ .fniv = gen_uqsub_vec,
@@ -1343,21 +1343,21 @@ void gen_gvec_uqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
-static void gen_sqsub_vec(unsigned vece, TCGv_vec t, TCGv_vec sat,
+static void gen_sqsub_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
TCGv_vec x = tcg_temp_new_vec_matching(t);
tcg_gen_sub_vec(vece, x, a, b);
tcg_gen_sssub_vec(vece, t, a, b);
- tcg_gen_cmp_vec(TCG_COND_NE, vece, x, x, t);
- tcg_gen_or_vec(vece, sat, sat, x);
+ tcg_gen_xor_vec(vece, x, x, t);
+ tcg_gen_or_vec(vece, qc, qc, x);
}
void gen_gvec_sqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
{
static const TCGOpcode vecop_list[] = {
- INDEX_op_sssub_vec, INDEX_op_cmp_vec, INDEX_op_sub_vec, 0
+ INDEX_op_sssub_vec, INDEX_op_sub_vec, 0
};
static const GVecGen4 ops[4] = {
{ .fniv = gen_sqsub_vec,
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 08/43] target/arm: Assert oprsz in range when using vfp.qc
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (6 preceding siblings ...)
2024-05-31 12:03 ` [PULL 07/43] target/arm: Improve vector UQADD, UQSUB, SQADD, SQSUB Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 09/43] target/arm: Convert SUQADD and USQADD to gvec Peter Maydell
` (35 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240528203044.612851-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/gengvec.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index bfe6885a018..3e2d3c21a13 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -29,6 +29,7 @@ static void gen_gvec_fn3_qc(uint32_t rd_ofs, uint32_t rn_ofs, uint32_t rm_ofs,
{
TCGv_ptr qc_ptr = tcg_temp_new_ptr();
+ tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
tcg_gen_addi_ptr(qc_ptr, tcg_env, offsetof(CPUARMState, vfp.qc));
tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, qc_ptr,
opr_sz, max_sz, 0, fn);
@@ -1255,6 +1256,8 @@ void gen_gvec_uqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.opt_opc = vecop_list,
.vece = MO_64 },
};
+
+ tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
@@ -1297,6 +1300,8 @@ void gen_gvec_sqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.write_aofs = true,
.vece = MO_64 },
};
+
+ tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
@@ -1339,6 +1344,8 @@ void gen_gvec_uqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.write_aofs = true,
.vece = MO_64 },
};
+
+ tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
@@ -1381,6 +1388,8 @@ void gen_gvec_sqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.write_aofs = true,
.vece = MO_64 },
};
+
+ tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 09/43] target/arm: Convert SUQADD and USQADD to gvec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (7 preceding siblings ...)
2024-05-31 12:03 ` [PULL 08/43] target/arm: Assert oprsz in range when using vfp.qc Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 10/43] target/arm: Inline scalar SUQADD and USQADD Peter Maydell
` (34 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 16 +++++
target/arm/tcg/translate-a64.h | 6 ++
target/arm/tcg/gengvec64.c | 110 ++++++++++++++++++++++++++++++++
target/arm/tcg/translate-a64.c | 113 ++++++++++++++-------------------
target/arm/tcg/vec_helper.c | 64 +++++++++++++++++++
5 files changed, 245 insertions(+), 64 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index f830531dd3d..de2c5c9aef0 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -836,6 +836,22 @@ DEF_HELPER_FLAGS_5(gvec_sqsub_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(gvec_sqsub_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_usqadd_b, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_usqadd_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_usqadd_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_usqadd_d, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_suqadd_b, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_suqadd_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_suqadd_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_suqadd_d, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(gvec_fmlal_a32, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
diff --git a/target/arm/tcg/translate-a64.h b/target/arm/tcg/translate-a64.h
index 91750f0ca91..b5cb26f8a2e 100644
--- a/target/arm/tcg/translate-a64.h
+++ b/target/arm/tcg/translate-a64.h
@@ -197,6 +197,12 @@ void gen_gvec_eor3(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz);
void gen_gvec_bcax(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz);
+void gen_gvec_suqadd_qc(unsigned vece, uint32_t rd_ofs,
+ uint32_t rn_ofs, uint32_t rm_ofs,
+ uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_usqadd_qc(unsigned vece, uint32_t rd_ofs,
+ uint32_t rn_ofs, uint32_t rm_ofs,
+ uint32_t opr_sz, uint32_t max_sz);
void gen_sve_ldr(DisasContext *s, TCGv_ptr, int vofs, int len, int rn, int imm);
void gen_sve_str(DisasContext *s, TCGv_ptr, int vofs, int len, int rn, int imm);
diff --git a/target/arm/tcg/gengvec64.c b/target/arm/tcg/gengvec64.c
index 093b498b13d..b3afabd38b6 100644
--- a/target/arm/tcg/gengvec64.c
+++ b/target/arm/tcg/gengvec64.c
@@ -188,3 +188,113 @@ void gen_gvec_bcax(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &op);
}
+static void gen_suqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
+ TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec max =
+ tcg_constant_vec_matching(t, vece, (1ull << ((8 << vece) - 1)) - 1);
+ TCGv_vec u = tcg_temp_new_vec_matching(t);
+
+ /* Maximum value that can be added to @a without overflow. */
+ tcg_gen_sub_vec(vece, u, max, a);
+
+ /* Constrain addend so that the next addition never overflows. */
+ tcg_gen_umin_vec(vece, u, u, b);
+ tcg_gen_add_vec(vece, t, u, a);
+
+ /* Compute QC by comparing the adjusted @b. */
+ tcg_gen_xor_vec(vece, u, u, b);
+ tcg_gen_or_vec(vece, qc, qc, u);
+}
+
+void gen_gvec_suqadd_qc(unsigned vece, uint32_t rd_ofs,
+ uint32_t rn_ofs, uint32_t rm_ofs,
+ uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_add_vec, INDEX_op_sub_vec, INDEX_op_umin_vec, 0
+ };
+ static const GVecGen4 ops[4] = {
+ { .fniv = gen_suqadd_vec,
+ .fno = gen_helper_gvec_suqadd_b,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_8 },
+ { .fniv = gen_suqadd_vec,
+ .fno = gen_helper_gvec_suqadd_h,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_16 },
+ { .fniv = gen_suqadd_vec,
+ .fno = gen_helper_gvec_suqadd_s,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_32 },
+ { .fniv = gen_suqadd_vec,
+ .fno = gen_helper_gvec_suqadd_d,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_64 },
+ };
+
+ tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
+ tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
+ rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
+}
+
+static void gen_usqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
+ TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec u = tcg_temp_new_vec_matching(t);
+ TCGv_vec z = tcg_constant_vec_matching(t, vece, 0);
+
+ /* Compute unsigned saturation of add for +b and sub for -b. */
+ tcg_gen_neg_vec(vece, t, b);
+ tcg_gen_usadd_vec(vece, u, a, b);
+ tcg_gen_ussub_vec(vece, t, a, t);
+
+ /* Select the correct result depending on the sign of b. */
+ tcg_gen_cmpsel_vec(TCG_COND_LT, vece, t, b, z, t, u);
+
+ /* Compute QC by comparing against the non-saturated result. */
+ tcg_gen_add_vec(vece, u, a, b);
+ tcg_gen_xor_vec(vece, u, u, t);
+ tcg_gen_or_vec(vece, qc, qc, u);
+}
+
+void gen_gvec_usqadd_qc(unsigned vece, uint32_t rd_ofs,
+ uint32_t rn_ofs, uint32_t rm_ofs,
+ uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_neg_vec, INDEX_op_add_vec,
+ INDEX_op_usadd_vec, INDEX_op_ussub_vec,
+ INDEX_op_cmpsel_vec, 0
+ };
+ static const GVecGen4 ops[4] = {
+ { .fniv = gen_usqadd_vec,
+ .fno = gen_helper_gvec_usqadd_b,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_8 },
+ { .fniv = gen_usqadd_vec,
+ .fno = gen_helper_gvec_usqadd_h,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_16 },
+ { .fniv = gen_usqadd_vec,
+ .fno = gen_helper_gvec_usqadd_s,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_32 },
+ { .fniv = gen_usqadd_vec,
+ .fno = gen_helper_gvec_usqadd_d,
+ .opt_opc = vecop_list,
+ .write_aofs = true,
+ .vece = MO_64 },
+ };
+
+ tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
+ tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
+ rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
+}
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 9167e4d0bd6..9f948e033e6 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -9983,83 +9983,68 @@ static void handle_2misc_narrow(DisasContext *s, bool scalar,
/* Remaining saturating accumulating ops */
static void handle_2misc_satacc(DisasContext *s, bool is_scalar, bool is_u,
- bool is_q, int size, int rn, int rd)
+ bool is_q, unsigned size, int rn, int rd)
{
- bool is_double = (size == 3);
+ if (!is_scalar) {
+ gen_gvec_fn3(s, is_q, rd, rd, rn,
+ is_u ? gen_gvec_usqadd_qc : gen_gvec_suqadd_qc, size);
+ return;
+ }
- if (is_double) {
+ if (size == 3) {
TCGv_i64 tcg_rn = tcg_temp_new_i64();
TCGv_i64 tcg_rd = tcg_temp_new_i64();
- int pass;
- for (pass = 0; pass < (is_scalar ? 1 : 2); pass++) {
- read_vec_element(s, tcg_rn, rn, pass, MO_64);
- read_vec_element(s, tcg_rd, rd, pass, MO_64);
+ read_vec_element(s, tcg_rn, rn, 0, MO_64);
+ read_vec_element(s, tcg_rd, rd, 0, MO_64);
- if (is_u) { /* USQADD */
- gen_helper_neon_uqadd_s64(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- } else { /* SUQADD */
- gen_helper_neon_sqadd_u64(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- }
- write_vec_element(s, tcg_rd, rd, pass, MO_64);
+ if (is_u) { /* USQADD */
+ gen_helper_neon_uqadd_s64(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ } else { /* SUQADD */
+ gen_helper_neon_sqadd_u64(tcg_rd, tcg_env, tcg_rn, tcg_rd);
}
- clear_vec_high(s, !is_scalar, rd);
+ write_vec_element(s, tcg_rd, rd, 0, MO_64);
+ clear_vec_high(s, false, rd);
} else {
TCGv_i32 tcg_rn = tcg_temp_new_i32();
TCGv_i32 tcg_rd = tcg_temp_new_i32();
- int pass, maxpasses;
- if (is_scalar) {
- maxpasses = 1;
- } else {
- maxpasses = is_q ? 4 : 2;
+ read_vec_element_i32(s, tcg_rn, rn, 0, size);
+ read_vec_element_i32(s, tcg_rd, rd, 0, size);
+
+ if (is_u) { /* USQADD */
+ switch (size) {
+ case 0:
+ gen_helper_neon_uqadd_s8(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ break;
+ case 1:
+ gen_helper_neon_uqadd_s16(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ break;
+ case 2:
+ gen_helper_neon_uqadd_s32(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ } else { /* SUQADD */
+ switch (size) {
+ case 0:
+ gen_helper_neon_sqadd_u8(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ break;
+ case 1:
+ gen_helper_neon_sqadd_u16(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ break;
+ case 2:
+ gen_helper_neon_sqadd_u32(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ break;
+ default:
+ g_assert_not_reached();
+ }
}
- for (pass = 0; pass < maxpasses; pass++) {
- if (is_scalar) {
- read_vec_element_i32(s, tcg_rn, rn, pass, size);
- read_vec_element_i32(s, tcg_rd, rd, pass, size);
- } else {
- read_vec_element_i32(s, tcg_rn, rn, pass, MO_32);
- read_vec_element_i32(s, tcg_rd, rd, pass, MO_32);
- }
-
- if (is_u) { /* USQADD */
- switch (size) {
- case 0:
- gen_helper_neon_uqadd_s8(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 1:
- gen_helper_neon_uqadd_s16(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 2:
- gen_helper_neon_uqadd_s32(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- default:
- g_assert_not_reached();
- }
- } else { /* SUQADD */
- switch (size) {
- case 0:
- gen_helper_neon_sqadd_u8(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 1:
- gen_helper_neon_sqadd_u16(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 2:
- gen_helper_neon_sqadd_u32(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- default:
- g_assert_not_reached();
- }
- }
-
- if (is_scalar) {
- write_vec_element(s, tcg_constant_i64(0), rd, 0, MO_64);
- }
- write_vec_element_i32(s, tcg_rd, rd, pass, MO_32);
- }
- clear_vec_high(s, is_q, rd);
+ write_vec_element(s, tcg_constant_i64(0), rd, 0, MO_64);
+ write_vec_element_i32(s, tcg_rd, rd, 0, MO_32);
+ clear_vec_high(s, false, rd);
}
}
diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c
index 56fea14edb9..d8e96386be6 100644
--- a/target/arm/tcg/vec_helper.c
+++ b/target/arm/tcg/vec_helper.c
@@ -1555,6 +1555,14 @@ DO_SAT(gvec_sqsub_b, int, int8_t, int8_t, -, INT8_MIN, INT8_MAX)
DO_SAT(gvec_sqsub_h, int, int16_t, int16_t, -, INT16_MIN, INT16_MAX)
DO_SAT(gvec_sqsub_s, int64_t, int32_t, int32_t, -, INT32_MIN, INT32_MAX)
+DO_SAT(gvec_usqadd_b, int, uint8_t, int8_t, +, 0, UINT8_MAX)
+DO_SAT(gvec_usqadd_h, int, uint16_t, int16_t, +, 0, UINT16_MAX)
+DO_SAT(gvec_usqadd_s, int64_t, uint32_t, int32_t, +, 0, UINT32_MAX)
+
+DO_SAT(gvec_suqadd_b, int, int8_t, uint8_t, +, INT8_MIN, INT8_MAX)
+DO_SAT(gvec_suqadd_h, int, int16_t, uint16_t, +, INT16_MIN, INT16_MAX)
+DO_SAT(gvec_suqadd_s, int64_t, int32_t, uint32_t, +, INT32_MIN, INT32_MAX)
+
#undef DO_SAT
void HELPER(gvec_uqadd_d)(void *vd, void *vq, void *vn,
@@ -1645,6 +1653,62 @@ void HELPER(gvec_sqsub_d)(void *vd, void *vq, void *vn,
clear_tail(d, oprsz, simd_maxsz(desc));
}
+void HELPER(gvec_usqadd_d)(void *vd, void *vq, void *vn,
+ void *vm, uint32_t desc)
+{
+ intptr_t i, oprsz = simd_oprsz(desc);
+ uint64_t *d = vd, *n = vn, *m = vm;
+ bool q = false;
+
+ for (i = 0; i < oprsz / 8; i++) {
+ uint64_t nn = n[i];
+ int64_t mm = m[i];
+ uint64_t dd = nn + mm;
+
+ if (mm < 0) {
+ if (nn < (uint64_t)-mm) {
+ dd = 0;
+ q = true;
+ }
+ } else {
+ if (dd < nn) {
+ dd = UINT64_MAX;
+ q = true;
+ }
+ }
+ d[i] = dd;
+ }
+ if (q) {
+ uint32_t *qc = vq;
+ qc[0] = 1;
+ }
+ clear_tail(d, oprsz, simd_maxsz(desc));
+}
+
+void HELPER(gvec_suqadd_d)(void *vd, void *vq, void *vn,
+ void *vm, uint32_t desc)
+{
+ intptr_t i, oprsz = simd_oprsz(desc);
+ uint64_t *d = vd, *n = vn, *m = vm;
+ bool q = false;
+
+ for (i = 0; i < oprsz / 8; i++) {
+ int64_t nn = n[i];
+ uint64_t mm = m[i];
+ int64_t dd = nn + mm;
+
+ if (mm > (uint64_t)(INT64_MAX - nn)) {
+ dd = INT64_MAX;
+ q = true;
+ }
+ d[i] = dd;
+ }
+ if (q) {
+ uint32_t *qc = vq;
+ qc[0] = 1;
+ }
+ clear_tail(d, oprsz, simd_maxsz(desc));
+}
#define DO_SRA(NAME, TYPE) \
void HELPER(NAME)(void *vd, void *vn, uint32_t desc) \
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 10/43] target/arm: Inline scalar SUQADD and USQADD
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (8 preceding siblings ...)
2024-05-31 12:03 ` [PULL 09/43] target/arm: Convert SUQADD and USQADD to gvec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 11/43] target/arm: Inline scalar SQADD, UQADD, SQSUB, UQSUB Peter Maydell
` (33 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
This eliminates the last uses of these neon helpers.
Incorporate the MO_64 expanders as an option to the vector expander.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 8 --
target/arm/tcg/translate-a64.h | 8 ++
target/arm/tcg/gengvec64.c | 71 ++++++++++++++
target/arm/tcg/neon_helper.c | 165 ---------------------------------
target/arm/tcg/translate-a64.c | 73 +++++----------
5 files changed, 103 insertions(+), 222 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index de2c5c9aef0..c76158d6d3f 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -274,14 +274,6 @@ DEF_HELPER_FLAGS_3(neon_qadd_u16, TCG_CALL_NO_RWG, i32, env, i32, i32)
DEF_HELPER_FLAGS_3(neon_qadd_s16, TCG_CALL_NO_RWG, i32, env, i32, i32)
DEF_HELPER_FLAGS_3(neon_qadd_u32, TCG_CALL_NO_RWG, i32, env, i32, i32)
DEF_HELPER_FLAGS_3(neon_qadd_s32, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_uqadd_s8, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_uqadd_s16, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_uqadd_s32, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_uqadd_s64, TCG_CALL_NO_RWG, i64, env, i64, i64)
-DEF_HELPER_FLAGS_3(neon_sqadd_u8, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_sqadd_u16, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_sqadd_u32, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_sqadd_u64, TCG_CALL_NO_RWG, i64, env, i64, i64)
DEF_HELPER_3(neon_qsub_u8, i32, env, i32, i32)
DEF_HELPER_3(neon_qsub_s8, i32, env, i32, i32)
DEF_HELPER_3(neon_qsub_u16, i32, env, i32, i32)
diff --git a/target/arm/tcg/translate-a64.h b/target/arm/tcg/translate-a64.h
index b5cb26f8a2e..0fcf7cb63ad 100644
--- a/target/arm/tcg/translate-a64.h
+++ b/target/arm/tcg/translate-a64.h
@@ -197,9 +197,17 @@ void gen_gvec_eor3(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz);
void gen_gvec_bcax(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz);
+
+void gen_suqadd_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz);
+void gen_suqadd_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b);
void gen_gvec_suqadd_qc(unsigned vece, uint32_t rd_ofs,
uint32_t rn_ofs, uint32_t rm_ofs,
uint32_t opr_sz, uint32_t max_sz);
+
+void gen_usqadd_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz);
+void gen_usqadd_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b);
void gen_gvec_usqadd_qc(unsigned vece, uint32_t rd_ofs,
uint32_t rn_ofs, uint32_t rm_ofs,
uint32_t opr_sz, uint32_t max_sz);
diff --git a/target/arm/tcg/gengvec64.c b/target/arm/tcg/gengvec64.c
index b3afabd38b6..2617cde0a5f 100644
--- a/target/arm/tcg/gengvec64.c
+++ b/target/arm/tcg/gengvec64.c
@@ -188,6 +188,38 @@ void gen_gvec_bcax(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &op);
}
+/*
+ * Set @res to the correctly saturated result.
+ * Set @qc non-zero if saturation occured.
+ */
+void gen_suqadd_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz)
+{
+ TCGv_i64 max = tcg_constant_i64((1ull << ((8 << esz) - 1)) - 1);
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_add_i64(t, a, b);
+ tcg_gen_smin_i64(res, t, max);
+ tcg_gen_xor_i64(t, t, res);
+ tcg_gen_or_i64(qc, qc, t);
+}
+
+void gen_suqadd_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 max = tcg_constant_i64(INT64_MAX);
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ /* Maximum value that can be added to @a without overflow. */
+ tcg_gen_sub_i64(t, max, a);
+
+ /* Constrain addend so that the next addition never overflows. */
+ tcg_gen_umin_i64(t, t, b);
+ tcg_gen_add_i64(res, a, t);
+
+ tcg_gen_xor_i64(t, t, b);
+ tcg_gen_or_i64(qc, qc, t);
+}
+
static void gen_suqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
@@ -231,6 +263,7 @@ void gen_gvec_suqadd_qc(unsigned vece, uint32_t rd_ofs,
.write_aofs = true,
.vece = MO_32 },
{ .fniv = gen_suqadd_vec,
+ .fni8 = gen_suqadd_d,
.fno = gen_helper_gvec_suqadd_d,
.opt_opc = vecop_list,
.write_aofs = true,
@@ -242,6 +275,43 @@ void gen_gvec_suqadd_qc(unsigned vece, uint32_t rd_ofs,
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
+void gen_usqadd_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz)
+{
+ TCGv_i64 max = tcg_constant_i64(MAKE_64BIT_MASK(0, 8 << esz));
+ TCGv_i64 zero = tcg_constant_i64(0);
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ tcg_gen_add_i64(tmp, a, b);
+ tcg_gen_smin_i64(res, tmp, max);
+ tcg_gen_smax_i64(res, res, zero);
+ tcg_gen_xor_i64(tmp, tmp, res);
+ tcg_gen_or_i64(qc, qc, tmp);
+}
+
+void gen_usqadd_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 tmp = tcg_temp_new_i64();
+ TCGv_i64 tneg = tcg_temp_new_i64();
+ TCGv_i64 tpos = tcg_temp_new_i64();
+ TCGv_i64 max = tcg_constant_i64(UINT64_MAX);
+ TCGv_i64 zero = tcg_constant_i64(0);
+
+ tcg_gen_add_i64(tmp, a, b);
+
+ /* If @b is positive, saturate if (a + b) < a, aka unsigned overflow. */
+ tcg_gen_movcond_i64(TCG_COND_LTU, tpos, tmp, a, max, tmp);
+
+ /* If @b is negative, saturate if a < -b, ie subtraction is negative. */
+ tcg_gen_neg_i64(tneg, b);
+ tcg_gen_movcond_i64(TCG_COND_LTU, tneg, a, tneg, zero, tmp);
+
+ /* Select correct result from sign of @b. */
+ tcg_gen_movcond_i64(TCG_COND_LT, res, b, zero, tneg, tpos);
+ tcg_gen_xor_i64(tmp, tmp, res);
+ tcg_gen_or_i64(qc, qc, tmp);
+}
+
static void gen_usqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
@@ -288,6 +358,7 @@ void gen_gvec_usqadd_qc(unsigned vece, uint32_t rd_ofs,
.write_aofs = true,
.vece = MO_32 },
{ .fniv = gen_usqadd_vec,
+ .fni8 = gen_usqadd_d,
.fno = gen_helper_gvec_usqadd_d,
.opt_opc = vecop_list,
.write_aofs = true,
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index a0b51c88096..9505a5fd18e 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -236,171 +236,6 @@ uint64_t HELPER(neon_qadd_s64)(CPUARMState *env, uint64_t src1, uint64_t src2)
return res;
}
-/* Unsigned saturating accumulate of signed value
- *
- * Op1/Rn is treated as signed
- * Op2/Rd is treated as unsigned
- *
- * Explicit casting is used to ensure the correct sign extension of
- * inputs. The result is treated as a unsigned value and saturated as such.
- *
- * We use a macro for the 8/16 bit cases which expects signed integers of va,
- * vb, and vr for interim calculation and an unsigned 32 bit result value r.
- */
-
-#define USATACC(bits, shift) \
- do { \
- va = sextract32(a, shift, bits); \
- vb = extract32(b, shift, bits); \
- vr = va + vb; \
- if (vr > UINT##bits##_MAX) { \
- SET_QC(); \
- vr = UINT##bits##_MAX; \
- } else if (vr < 0) { \
- SET_QC(); \
- vr = 0; \
- } \
- r = deposit32(r, shift, bits, vr); \
- } while (0)
-
-uint32_t HELPER(neon_uqadd_s8)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- int16_t va, vb, vr;
- uint32_t r = 0;
-
- USATACC(8, 0);
- USATACC(8, 8);
- USATACC(8, 16);
- USATACC(8, 24);
- return r;
-}
-
-uint32_t HELPER(neon_uqadd_s16)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- int32_t va, vb, vr;
- uint64_t r = 0;
-
- USATACC(16, 0);
- USATACC(16, 16);
- return r;
-}
-
-#undef USATACC
-
-uint32_t HELPER(neon_uqadd_s32)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- int64_t va = (int32_t)a;
- int64_t vb = (uint32_t)b;
- int64_t vr = va + vb;
- if (vr > UINT32_MAX) {
- SET_QC();
- vr = UINT32_MAX;
- } else if (vr < 0) {
- SET_QC();
- vr = 0;
- }
- return vr;
-}
-
-uint64_t HELPER(neon_uqadd_s64)(CPUARMState *env, uint64_t a, uint64_t b)
-{
- uint64_t res;
- res = a + b;
- /* We only need to look at the pattern of SIGN bits to detect
- * +ve/-ve saturation
- */
- if (~a & b & ~res & SIGNBIT64) {
- SET_QC();
- res = UINT64_MAX;
- } else if (a & ~b & res & SIGNBIT64) {
- SET_QC();
- res = 0;
- }
- return res;
-}
-
-/* Signed saturating accumulate of unsigned value
- *
- * Op1/Rn is treated as unsigned
- * Op2/Rd is treated as signed
- *
- * The result is treated as a signed value and saturated as such
- *
- * We use a macro for the 8/16 bit cases which expects signed integers of va,
- * vb, and vr for interim calculation and an unsigned 32 bit result value r.
- */
-
-#define SSATACC(bits, shift) \
- do { \
- va = extract32(a, shift, bits); \
- vb = sextract32(b, shift, bits); \
- vr = va + vb; \
- if (vr > INT##bits##_MAX) { \
- SET_QC(); \
- vr = INT##bits##_MAX; \
- } else if (vr < INT##bits##_MIN) { \
- SET_QC(); \
- vr = INT##bits##_MIN; \
- } \
- r = deposit32(r, shift, bits, vr); \
- } while (0)
-
-uint32_t HELPER(neon_sqadd_u8)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- int16_t va, vb, vr;
- uint32_t r = 0;
-
- SSATACC(8, 0);
- SSATACC(8, 8);
- SSATACC(8, 16);
- SSATACC(8, 24);
- return r;
-}
-
-uint32_t HELPER(neon_sqadd_u16)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- int32_t va, vb, vr;
- uint32_t r = 0;
-
- SSATACC(16, 0);
- SSATACC(16, 16);
-
- return r;
-}
-
-#undef SSATACC
-
-uint32_t HELPER(neon_sqadd_u32)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- int64_t res;
- int64_t op1 = (uint32_t)a;
- int64_t op2 = (int32_t)b;
- res = op1 + op2;
- if (res > INT32_MAX) {
- SET_QC();
- res = INT32_MAX;
- } else if (res < INT32_MIN) {
- SET_QC();
- res = INT32_MIN;
- }
- return res;
-}
-
-uint64_t HELPER(neon_sqadd_u64)(CPUARMState *env, uint64_t a, uint64_t b)
-{
- uint64_t res;
- res = a + b;
- /* We only need to look at the pattern of SIGN bits to detect an overflow */
- if (((a & res)
- | (~b & res)
- | (a & ~b)) & SIGNBIT64) {
- SET_QC();
- res = INT64_MAX;
- }
- return res;
-}
-
-
#define NEON_USAT(dest, src1, src2, type) do { \
uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \
if (tmp != (type)tmp) { \
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 9f948e033e6..781b2249720 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -9985,67 +9985,42 @@ static void handle_2misc_narrow(DisasContext *s, bool scalar,
static void handle_2misc_satacc(DisasContext *s, bool is_scalar, bool is_u,
bool is_q, unsigned size, int rn, int rd)
{
+ TCGv_i64 res, qc, a, b;
+
if (!is_scalar) {
gen_gvec_fn3(s, is_q, rd, rd, rn,
is_u ? gen_gvec_usqadd_qc : gen_gvec_suqadd_qc, size);
return;
}
- if (size == 3) {
- TCGv_i64 tcg_rn = tcg_temp_new_i64();
- TCGv_i64 tcg_rd = tcg_temp_new_i64();
+ res = tcg_temp_new_i64();
+ qc = tcg_temp_new_i64();
+ a = tcg_temp_new_i64();
+ b = tcg_temp_new_i64();
- read_vec_element(s, tcg_rn, rn, 0, MO_64);
- read_vec_element(s, tcg_rd, rd, 0, MO_64);
+ /* Read and extend scalar inputs to 64-bits. */
+ read_vec_element(s, a, rd, 0, size | (is_u ? 0 : MO_SIGN));
+ read_vec_element(s, b, rn, 0, size | (is_u ? MO_SIGN : 0));
+ tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
- if (is_u) { /* USQADD */
- gen_helper_neon_uqadd_s64(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- } else { /* SUQADD */
- gen_helper_neon_sqadd_u64(tcg_rd, tcg_env, tcg_rn, tcg_rd);
+ if (size == MO_64) {
+ if (is_u) {
+ gen_usqadd_d(res, qc, a, b);
+ } else {
+ gen_suqadd_d(res, qc, a, b);
}
- write_vec_element(s, tcg_rd, rd, 0, MO_64);
- clear_vec_high(s, false, rd);
} else {
- TCGv_i32 tcg_rn = tcg_temp_new_i32();
- TCGv_i32 tcg_rd = tcg_temp_new_i32();
-
- read_vec_element_i32(s, tcg_rn, rn, 0, size);
- read_vec_element_i32(s, tcg_rd, rd, 0, size);
-
- if (is_u) { /* USQADD */
- switch (size) {
- case 0:
- gen_helper_neon_uqadd_s8(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 1:
- gen_helper_neon_uqadd_s16(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 2:
- gen_helper_neon_uqadd_s32(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- default:
- g_assert_not_reached();
- }
- } else { /* SUQADD */
- switch (size) {
- case 0:
- gen_helper_neon_sqadd_u8(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 1:
- gen_helper_neon_sqadd_u16(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- case 2:
- gen_helper_neon_sqadd_u32(tcg_rd, tcg_env, tcg_rn, tcg_rd);
- break;
- default:
- g_assert_not_reached();
- }
+ if (is_u) {
+ gen_usqadd_bhs(res, qc, a, b, size);
+ } else {
+ gen_suqadd_bhs(res, qc, a, b, size);
+ /* Truncate signed 64-bit result for writeback. */
+ tcg_gen_ext_i64(res, res, size);
}
-
- write_vec_element(s, tcg_constant_i64(0), rd, 0, MO_64);
- write_vec_element_i32(s, tcg_rd, rd, 0, MO_32);
- clear_vec_high(s, false, rd);
}
+
+ write_fp_dreg(s, rd, res);
+ tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
}
/* AdvSIMD scalar two reg misc
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 11/43] target/arm: Inline scalar SQADD, UQADD, SQSUB, UQSUB
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (9 preceding siblings ...)
2024-05-31 12:03 ` [PULL 10/43] target/arm: Inline scalar SUQADD and USQADD Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 12/43] target/arm: Convert SQADD, SQSUB, UQADD, UQSUB to decodetree Peter Maydell
` (32 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
This eliminates the last uses of these neon helpers.
Incorporate the MO_64 expanders as an option to the vector expander.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 17 ----
target/arm/tcg/translate.h | 15 +++
target/arm/tcg/gengvec.c | 116 +++++++++++++++++++++++
target/arm/tcg/neon_helper.c | 162 ---------------------------------
target/arm/tcg/translate-a64.c | 67 ++++++++------
5 files changed, 169 insertions(+), 208 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index c76158d6d3f..a14c040451e 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -268,23 +268,6 @@ DEF_HELPER_FLAGS_2(fjcvtzs, TCG_CALL_NO_RWG, i64, f64, ptr)
DEF_HELPER_FLAGS_3(check_hcr_el2_trap, TCG_CALL_NO_WG, void, env, i32, i32)
/* neon_helper.c */
-DEF_HELPER_FLAGS_3(neon_qadd_u8, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_qadd_s8, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_qadd_u16, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_qadd_s16, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_qadd_u32, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(neon_qadd_s32, TCG_CALL_NO_RWG, i32, env, i32, i32)
-DEF_HELPER_3(neon_qsub_u8, i32, env, i32, i32)
-DEF_HELPER_3(neon_qsub_s8, i32, env, i32, i32)
-DEF_HELPER_3(neon_qsub_u16, i32, env, i32, i32)
-DEF_HELPER_3(neon_qsub_s16, i32, env, i32, i32)
-DEF_HELPER_3(neon_qsub_u32, i32, env, i32, i32)
-DEF_HELPER_3(neon_qsub_s32, i32, env, i32, i32)
-DEF_HELPER_3(neon_qadd_u64, i64, env, i64, i64)
-DEF_HELPER_3(neon_qadd_s64, i64, env, i64, i64)
-DEF_HELPER_3(neon_qsub_u64, i64, env, i64, i64)
-DEF_HELPER_3(neon_qsub_s64, i64, env, i64, i64)
-
DEF_HELPER_2(neon_hadd_s8, i32, i32, i32)
DEF_HELPER_2(neon_hadd_u8, i32, i32, i32)
DEF_HELPER_2(neon_hadd_s16, i32, i32, i32)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index 3abdbedfe5c..87439dcc612 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -466,12 +466,27 @@ void gen_sshl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
void gen_ushl_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
void gen_sshl_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
+void gen_uqadd_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz);
+void gen_uqadd_d(TCGv_i64 d, TCGv_i64 q, TCGv_i64 a, TCGv_i64 b);
void gen_gvec_uqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+
+void gen_sqadd_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz);
+void gen_sqadd_d(TCGv_i64 d, TCGv_i64 q, TCGv_i64 a, TCGv_i64 b);
void gen_gvec_sqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+
+void gen_uqsub_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz);
+void gen_uqsub_d(TCGv_i64 d, TCGv_i64 q, TCGv_i64 a, TCGv_i64 b);
void gen_gvec_uqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+
+void gen_sqsub_bhs(TCGv_i64 res, TCGv_i64 qc,
+ TCGv_i64 a, TCGv_i64 b, MemOp esz);
+void gen_sqsub_d(TCGv_i64 d, TCGv_i64 q, TCGv_i64 a, TCGv_i64 b);
void gen_gvec_sqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 3e2d3c21a13..740f3f864e5 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -1218,6 +1218,28 @@ void gen_gvec_sshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
+void gen_uqadd_bhs(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b, MemOp esz)
+{
+ uint64_t max = MAKE_64BIT_MASK(0, 8 << esz);
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ tcg_gen_add_i64(tmp, a, b);
+ tcg_gen_umin_i64(res, tmp, tcg_constant_i64(max));
+ tcg_gen_xor_i64(tmp, tmp, res);
+ tcg_gen_or_i64(qc, qc, tmp);
+}
+
+void gen_uqadd_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_add_i64(t, a, b);
+ tcg_gen_movcond_i64(TCG_COND_LTU, res, t, a,
+ tcg_constant_i64(UINT64_MAX), t);
+ tcg_gen_xor_i64(t, t, res);
+ tcg_gen_or_i64(qc, qc, t);
+}
+
static void gen_uqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
@@ -1251,6 +1273,7 @@ void gen_gvec_uqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.opt_opc = vecop_list,
.vece = MO_32 },
{ .fniv = gen_uqadd_vec,
+ .fni8 = gen_uqadd_d,
.fno = gen_helper_gvec_uqadd_d,
.write_aofs = true,
.opt_opc = vecop_list,
@@ -1262,6 +1285,41 @@ void gen_gvec_uqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
+void gen_sqadd_bhs(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b, MemOp esz)
+{
+ int64_t max = MAKE_64BIT_MASK(0, (8 << esz) - 1);
+ int64_t min = -1ll - max;
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ tcg_gen_add_i64(tmp, a, b);
+ tcg_gen_smin_i64(res, tmp, tcg_constant_i64(max));
+ tcg_gen_smax_i64(res, res, tcg_constant_i64(min));
+ tcg_gen_xor_i64(tmp, tmp, res);
+ tcg_gen_or_i64(qc, qc, tmp);
+}
+
+void gen_sqadd_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+ TCGv_i64 t2 = tcg_temp_new_i64();
+
+ tcg_gen_add_i64(t0, a, b);
+
+ /* Compute signed overflow indication into T1 */
+ tcg_gen_xor_i64(t1, a, b);
+ tcg_gen_xor_i64(t2, t0, a);
+ tcg_gen_andc_i64(t1, t2, t1);
+
+ /* Compute saturated value into T2 */
+ tcg_gen_sari_i64(t2, a, 63);
+ tcg_gen_xori_i64(t2, t2, INT64_MAX);
+
+ tcg_gen_movcond_i64(TCG_COND_LT, res, t1, tcg_constant_i64(0), t2, t0);
+ tcg_gen_xor_i64(t0, t0, res);
+ tcg_gen_or_i64(qc, qc, t0);
+}
+
static void gen_sqadd_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
@@ -1295,6 +1353,7 @@ void gen_gvec_sqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.write_aofs = true,
.vece = MO_32 },
{ .fniv = gen_sqadd_vec,
+ .fni8 = gen_sqadd_d,
.fno = gen_helper_gvec_sqadd_d,
.opt_opc = vecop_list,
.write_aofs = true,
@@ -1306,6 +1365,26 @@ void gen_gvec_sqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
+void gen_uqsub_bhs(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b, MemOp esz)
+{
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ tcg_gen_sub_i64(tmp, a, b);
+ tcg_gen_smax_i64(res, tmp, tcg_constant_i64(0));
+ tcg_gen_xor_i64(tmp, tmp, res);
+ tcg_gen_or_i64(qc, qc, tmp);
+}
+
+void gen_uqsub_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_sub_i64(t, a, b);
+ tcg_gen_movcond_i64(TCG_COND_LTU, res, a, b, tcg_constant_i64(0), t);
+ tcg_gen_xor_i64(t, t, res);
+ tcg_gen_or_i64(qc, qc, t);
+}
+
static void gen_uqsub_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
@@ -1339,6 +1418,7 @@ void gen_gvec_uqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.write_aofs = true,
.vece = MO_32 },
{ .fniv = gen_uqsub_vec,
+ .fni8 = gen_uqsub_d,
.fno = gen_helper_gvec_uqsub_d,
.opt_opc = vecop_list,
.write_aofs = true,
@@ -1350,6 +1430,41 @@ void gen_gvec_uqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
+void gen_sqsub_bhs(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b, MemOp esz)
+{
+ int64_t max = MAKE_64BIT_MASK(0, (8 << esz) - 1);
+ int64_t min = -1ll - max;
+ TCGv_i64 tmp = tcg_temp_new_i64();
+
+ tcg_gen_sub_i64(tmp, a, b);
+ tcg_gen_smin_i64(res, tmp, tcg_constant_i64(max));
+ tcg_gen_smax_i64(res, res, tcg_constant_i64(min));
+ tcg_gen_xor_i64(tmp, tmp, res);
+ tcg_gen_or_i64(qc, qc, tmp);
+}
+
+void gen_sqsub_d(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+ TCGv_i64 t2 = tcg_temp_new_i64();
+
+ tcg_gen_sub_i64(t0, a, b);
+
+ /* Compute signed overflow indication into T1 */
+ tcg_gen_xor_i64(t1, a, b);
+ tcg_gen_xor_i64(t2, t0, a);
+ tcg_gen_and_i64(t1, t1, t2);
+
+ /* Compute saturated value into T2 */
+ tcg_gen_sari_i64(t2, a, 63);
+ tcg_gen_xori_i64(t2, t2, INT64_MAX);
+
+ tcg_gen_movcond_i64(TCG_COND_LT, res, t1, tcg_constant_i64(0), t2, t0);
+ tcg_gen_xor_i64(t0, t0, res);
+ tcg_gen_or_i64(qc, qc, t0);
+}
+
static void gen_sqsub_vec(unsigned vece, TCGv_vec t, TCGv_vec qc,
TCGv_vec a, TCGv_vec b)
{
@@ -1383,6 +1498,7 @@ void gen_gvec_sqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
.write_aofs = true,
.vece = MO_32 },
{ .fniv = gen_sqsub_vec,
+ .fni8 = gen_sqsub_d,
.fno = gen_helper_gvec_sqsub_d,
.opt_opc = vecop_list,
.write_aofs = true,
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index 9505a5fd18e..0af15e9f6ef 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -155,168 +155,6 @@ uint32_t HELPER(glue(neon_,name))(uint32_t arg) \
return arg; \
}
-
-#define NEON_USAT(dest, src1, src2, type) do { \
- uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \
- if (tmp != (type)tmp) { \
- SET_QC(); \
- dest = ~0; \
- } else { \
- dest = tmp; \
- }} while(0)
-#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
-NEON_VOP_ENV(qadd_u8, neon_u8, 4)
-#undef NEON_FN
-#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
-NEON_VOP_ENV(qadd_u16, neon_u16, 2)
-#undef NEON_FN
-#undef NEON_USAT
-
-uint32_t HELPER(neon_qadd_u32)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- uint32_t res = a + b;
- if (res < a) {
- SET_QC();
- res = ~0;
- }
- return res;
-}
-
-uint64_t HELPER(neon_qadd_u64)(CPUARMState *env, uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- res = src1 + src2;
- if (res < src1) {
- SET_QC();
- res = ~(uint64_t)0;
- }
- return res;
-}
-
-#define NEON_SSAT(dest, src1, src2, type) do { \
- int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \
- if (tmp != (type)tmp) { \
- SET_QC(); \
- if (src2 > 0) { \
- tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \
- } else { \
- tmp = 1 << (sizeof(type) * 8 - 1); \
- } \
- } \
- dest = tmp; \
- } while(0)
-#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
-NEON_VOP_ENV(qadd_s8, neon_s8, 4)
-#undef NEON_FN
-#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
-NEON_VOP_ENV(qadd_s16, neon_s16, 2)
-#undef NEON_FN
-#undef NEON_SSAT
-
-uint32_t HELPER(neon_qadd_s32)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- uint32_t res = a + b;
- if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) {
- SET_QC();
- res = ~(((int32_t)a >> 31) ^ SIGNBIT);
- }
- return res;
-}
-
-uint64_t HELPER(neon_qadd_s64)(CPUARMState *env, uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- res = src1 + src2;
- if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) {
- SET_QC();
- res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
- }
- return res;
-}
-
-#define NEON_USAT(dest, src1, src2, type) do { \
- uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \
- if (tmp != (type)tmp) { \
- SET_QC(); \
- dest = 0; \
- } else { \
- dest = tmp; \
- }} while(0)
-#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
-NEON_VOP_ENV(qsub_u8, neon_u8, 4)
-#undef NEON_FN
-#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
-NEON_VOP_ENV(qsub_u16, neon_u16, 2)
-#undef NEON_FN
-#undef NEON_USAT
-
-uint32_t HELPER(neon_qsub_u32)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- uint32_t res = a - b;
- if (res > a) {
- SET_QC();
- res = 0;
- }
- return res;
-}
-
-uint64_t HELPER(neon_qsub_u64)(CPUARMState *env, uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- if (src1 < src2) {
- SET_QC();
- res = 0;
- } else {
- res = src1 - src2;
- }
- return res;
-}
-
-#define NEON_SSAT(dest, src1, src2, type) do { \
- int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \
- if (tmp != (type)tmp) { \
- SET_QC(); \
- if (src2 < 0) { \
- tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \
- } else { \
- tmp = 1 << (sizeof(type) * 8 - 1); \
- } \
- } \
- dest = tmp; \
- } while(0)
-#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
-NEON_VOP_ENV(qsub_s8, neon_s8, 4)
-#undef NEON_FN
-#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
-NEON_VOP_ENV(qsub_s16, neon_s16, 2)
-#undef NEON_FN
-#undef NEON_SSAT
-
-uint32_t HELPER(neon_qsub_s32)(CPUARMState *env, uint32_t a, uint32_t b)
-{
- uint32_t res = a - b;
- if (((res ^ a) & SIGNBIT) && ((a ^ b) & SIGNBIT)) {
- SET_QC();
- res = ~(((int32_t)a >> 31) ^ SIGNBIT);
- }
- return res;
-}
-
-uint64_t HELPER(neon_qsub_s64)(CPUARMState *env, uint64_t src1, uint64_t src2)
-{
- uint64_t res;
-
- res = src1 - src2;
- if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) {
- SET_QC();
- res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
- }
- return res;
-}
-
#define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1
NEON_VOP(hadd_s8, neon_s8, 4)
NEON_VOP(hadd_u8, neon_u8, 4)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 781b2249720..ca7ba6b1e8c 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -9291,21 +9291,28 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
* or scalar-three-reg-same groups.
*/
TCGCond cond;
+ TCGv_i64 qc;
switch (opcode) {
case 0x1: /* SQADD */
+ qc = tcg_temp_new_i64();
+ tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
if (u) {
- gen_helper_neon_qadd_u64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
+ gen_uqadd_d(tcg_rd, qc, tcg_rn, tcg_rm);
} else {
- gen_helper_neon_qadd_s64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
+ gen_sqadd_d(tcg_rd, qc, tcg_rn, tcg_rm);
}
+ tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
break;
case 0x5: /* SQSUB */
+ qc = tcg_temp_new_i64();
+ tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
if (u) {
- gen_helper_neon_qsub_u64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
+ gen_uqsub_d(tcg_rd, qc, tcg_rn, tcg_rm);
} else {
- gen_helper_neon_qsub_s64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
+ gen_sqsub_d(tcg_rd, qc, tcg_rn, tcg_rm);
}
+ tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
break;
case 0x6: /* CMGT, CMHI */
cond = u ? TCG_COND_GTU : TCG_COND_GT;
@@ -9425,35 +9432,16 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
* OPTME: special-purpose helpers would avoid doing some
* unnecessary work in the helper for the 8 and 16 bit cases.
*/
- NeonGenTwoOpEnvFn *genenvfn;
- TCGv_i32 tcg_rn = tcg_temp_new_i32();
- TCGv_i32 tcg_rm = tcg_temp_new_i32();
- TCGv_i32 tcg_rd32 = tcg_temp_new_i32();
-
- read_vec_element_i32(s, tcg_rn, rn, 0, size);
- read_vec_element_i32(s, tcg_rm, rm, 0, size);
+ NeonGenTwoOpEnvFn *genenvfn = NULL;
+ void (*genfn)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64, MemOp) = NULL;
switch (opcode) {
case 0x1: /* SQADD, UQADD */
- {
- static NeonGenTwoOpEnvFn * const fns[3][2] = {
- { gen_helper_neon_qadd_s8, gen_helper_neon_qadd_u8 },
- { gen_helper_neon_qadd_s16, gen_helper_neon_qadd_u16 },
- { gen_helper_neon_qadd_s32, gen_helper_neon_qadd_u32 },
- };
- genenvfn = fns[size][u];
+ genfn = u ? gen_uqadd_bhs : gen_sqadd_bhs;
break;
- }
case 0x5: /* SQSUB, UQSUB */
- {
- static NeonGenTwoOpEnvFn * const fns[3][2] = {
- { gen_helper_neon_qsub_s8, gen_helper_neon_qsub_u8 },
- { gen_helper_neon_qsub_s16, gen_helper_neon_qsub_u16 },
- { gen_helper_neon_qsub_s32, gen_helper_neon_qsub_u32 },
- };
- genenvfn = fns[size][u];
+ genfn = u ? gen_uqsub_bhs : gen_sqsub_bhs;
break;
- }
case 0x9: /* SQSHL, UQSHL */
{
static NeonGenTwoOpEnvFn * const fns[3][2] = {
@@ -9488,8 +9476,29 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
g_assert_not_reached();
}
- genenvfn(tcg_rd32, tcg_env, tcg_rn, tcg_rm);
- tcg_gen_extu_i32_i64(tcg_rd, tcg_rd32);
+ if (genenvfn) {
+ TCGv_i32 tcg_rn = tcg_temp_new_i32();
+ TCGv_i32 tcg_rm = tcg_temp_new_i32();
+
+ read_vec_element_i32(s, tcg_rn, rn, 0, size);
+ read_vec_element_i32(s, tcg_rm, rm, 0, size);
+ genenvfn(tcg_rn, tcg_env, tcg_rn, tcg_rm);
+ tcg_gen_extu_i32_i64(tcg_rd, tcg_rn);
+ } else {
+ TCGv_i64 tcg_rn = tcg_temp_new_i64();
+ TCGv_i64 tcg_rm = tcg_temp_new_i64();
+ TCGv_i64 qc = tcg_temp_new_i64();
+
+ read_vec_element(s, tcg_rn, rn, 0, size | (u ? 0 : MO_SIGN));
+ read_vec_element(s, tcg_rm, rm, 0, size | (u ? 0 : MO_SIGN));
+ tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
+ genfn(tcg_rd, qc, tcg_rn, tcg_rm, size);
+ tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
+ if (!u) {
+ /* Truncate signed 64-bit result for writeback. */
+ tcg_gen_ext_i64(tcg_rd, tcg_rd, size);
+ }
+ }
}
write_fp_dreg(s, rd, tcg_rd);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 12/43] target/arm: Convert SQADD, SQSUB, UQADD, UQSUB to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (10 preceding siblings ...)
2024-05-31 12:03 ` [PULL 11/43] target/arm: Inline scalar SQADD, UQADD, SQSUB, UQSUB Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 13/43] target/arm: Convert SUQADD, USQADD " Peter Maydell
` (31 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 11 ++++
target/arm/tcg/translate-a64.c | 96 +++++++++++++++++++---------------
2 files changed, 64 insertions(+), 43 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index f48adef5bba..19010af03bb 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -44,6 +44,7 @@
@rrr_h ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=1
@rrr_sd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=%esz_sd
@rrr_hsd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=%esz_hsd
+@rrr_e ........ esz:2 . rm:5 ...... rn:5 rd:5 &rrr_e
@rrx_h ........ .. .. rm:4 .... . . rn:5 rd:5 &rrx_e esz=1 idx=%hlm
@rrx_s ........ .. . rm:5 .... . . rn:5 rd:5 &rrx_e esz=2 idx=%hl
@@ -744,6 +745,11 @@ FRECPS_s 0101 1110 0.1 ..... 11111 1 ..... ..... @rrr_sd
FRSQRTS_s 0101 1110 110 ..... 00111 1 ..... ..... @rrr_h
FRSQRTS_s 0101 1110 1.1 ..... 11111 1 ..... ..... @rrr_sd
+SQADD_s 0101 1110 ..1 ..... 00001 1 ..... ..... @rrr_e
+UQADD_s 0111 1110 ..1 ..... 00001 1 ..... ..... @rrr_e
+SQSUB_s 0101 1110 ..1 ..... 00101 1 ..... ..... @rrr_e
+UQSUB_s 0111 1110 ..1 ..... 00101 1 ..... ..... @rrr_e
+
### Advanced SIMD scalar pairwise
FADDP_s 0101 1110 0011 0000 1101 10 ..... ..... @rr_h
@@ -857,6 +863,11 @@ BSL_v 0.10 1110 011 ..... 00011 1 ..... ..... @qrrr_b
BIT_v 0.10 1110 101 ..... 00011 1 ..... ..... @qrrr_b
BIF_v 0.10 1110 111 ..... 00011 1 ..... ..... @qrrr_b
+SQADD_v 0.00 1110 ..1 ..... 00001 1 ..... ..... @qrrr_e
+UQADD_v 0.10 1110 ..1 ..... 00001 1 ..... ..... @qrrr_e
+SQSUB_v 0.00 1110 ..1 ..... 00101 1 ..... ..... @qrrr_e
+UQSUB_v 0.10 1110 ..1 ..... 00101 1 ..... ..... @qrrr_e
+
### Advanced SIMD scalar x indexed element
FMUL_si 0101 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index ca7ba6b1e8c..3956c415431 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5060,6 +5060,43 @@ static const FPScalar f_scalar_frsqrts = {
};
TRANS(FRSQRTS_s, do_fp3_scalar, a, &f_scalar_frsqrts)
+static bool do_satacc_s(DisasContext *s, arg_rrr_e *a,
+ MemOp sgn_n, MemOp sgn_m,
+ void (*gen_bhs)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64, MemOp),
+ void (*gen_d)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
+{
+ TCGv_i64 t0, t1, t2, qc;
+ MemOp esz = a->esz;
+
+ if (!fp_access_check(s)) {
+ return true;
+ }
+
+ t0 = tcg_temp_new_i64();
+ t1 = tcg_temp_new_i64();
+ t2 = tcg_temp_new_i64();
+ qc = tcg_temp_new_i64();
+ read_vec_element(s, t1, a->rn, 0, esz | sgn_n);
+ read_vec_element(s, t2, a->rm, 0, esz | sgn_m);
+ tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
+
+ if (esz == MO_64) {
+ gen_d(t0, qc, t1, t2);
+ } else {
+ gen_bhs(t0, qc, t1, t2, esz);
+ tcg_gen_ext_i64(t0, t0, esz);
+ }
+
+ write_fp_dreg(s, a->rd, t0);
+ tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
+ return true;
+}
+
+TRANS(SQADD_s, do_satacc_s, a, MO_SIGN, MO_SIGN, gen_sqadd_bhs, gen_sqadd_d)
+TRANS(SQSUB_s, do_satacc_s, a, MO_SIGN, MO_SIGN, gen_sqsub_bhs, gen_sqsub_d)
+TRANS(UQADD_s, do_satacc_s, a, 0, 0, gen_uqadd_bhs, gen_uqadd_d)
+TRANS(UQSUB_s, do_satacc_s, a, 0, 0, gen_uqsub_bhs, gen_uqsub_d)
+
static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a,
gen_helper_gvec_3_ptr * const fns[3])
{
@@ -5298,6 +5335,11 @@ TRANS(BSL_v, do_bitsel, a->q, a->rd, a->rd, a->rn, a->rm)
TRANS(BIT_v, do_bitsel, a->q, a->rd, a->rm, a->rn, a->rd)
TRANS(BIF_v, do_bitsel, a->q, a->rd, a->rm, a->rd, a->rn)
+TRANS(SQADD_v, do_gvec_fn3, a, gen_gvec_sqadd_qc)
+TRANS(UQADD_v, do_gvec_fn3, a, gen_gvec_uqadd_qc)
+TRANS(SQSUB_v, do_gvec_fn3, a, gen_gvec_sqsub_qc)
+TRANS(UQSUB_v, do_gvec_fn3, a, gen_gvec_uqsub_qc)
+
/*
* Advanced SIMD scalar/vector x indexed element
*/
@@ -9291,29 +9333,8 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
* or scalar-three-reg-same groups.
*/
TCGCond cond;
- TCGv_i64 qc;
switch (opcode) {
- case 0x1: /* SQADD */
- qc = tcg_temp_new_i64();
- tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
- if (u) {
- gen_uqadd_d(tcg_rd, qc, tcg_rn, tcg_rm);
- } else {
- gen_sqadd_d(tcg_rd, qc, tcg_rn, tcg_rm);
- }
- tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
- break;
- case 0x5: /* SQSUB */
- qc = tcg_temp_new_i64();
- tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
- if (u) {
- gen_uqsub_d(tcg_rd, qc, tcg_rn, tcg_rm);
- } else {
- gen_sqsub_d(tcg_rd, qc, tcg_rn, tcg_rm);
- }
- tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
- break;
case 0x6: /* CMGT, CMHI */
cond = u ? TCG_COND_GTU : TCG_COND_GT;
do_cmop:
@@ -9366,6 +9387,8 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
}
break;
default:
+ case 0x1: /* SQADD / UQADD */
+ case 0x5: /* SQSUB / UQSUB */
g_assert_not_reached();
}
}
@@ -9387,8 +9410,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
TCGv_i64 tcg_rd;
switch (opcode) {
- case 0x1: /* SQADD, UQADD */
- case 0x5: /* SQSUB, UQSUB */
case 0x9: /* SQSHL, UQSHL */
case 0xb: /* SQRSHL, UQRSHL */
break;
@@ -9410,6 +9431,8 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
}
break;
default:
+ case 0x1: /* SQADD, UQADD */
+ case 0x5: /* SQSUB, UQSUB */
unallocated_encoding(s);
return;
}
@@ -9436,12 +9459,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
void (*genfn)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64, MemOp) = NULL;
switch (opcode) {
- case 0x1: /* SQADD, UQADD */
- genfn = u ? gen_uqadd_bhs : gen_sqadd_bhs;
- break;
- case 0x5: /* SQSUB, UQSUB */
- genfn = u ? gen_uqsub_bhs : gen_sqsub_bhs;
- break;
case 0x9: /* SQSHL, UQSHL */
{
static NeonGenTwoOpEnvFn * const fns[3][2] = {
@@ -9473,6 +9490,8 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
break;
}
default:
+ case 0x1: /* SQADD, UQADD */
+ case 0x5: /* SQSUB, UQSUB */
g_assert_not_reached();
}
@@ -10933,6 +10952,11 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
return;
}
break;
+
+ case 0x01: /* SQADD, UQADD */
+ case 0x05: /* SQSUB, UQSUB */
+ unallocated_encoding(s);
+ return;
}
if (!fp_access_check(s)) {
@@ -10940,20 +10964,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x01: /* SQADD, UQADD */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uqadd_qc, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqadd_qc, size);
- }
- return;
- case 0x05: /* SQSUB, UQSUB */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uqsub_qc, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqsub_qc, size);
- }
- return;
case 0x08: /* SSHL, USHL */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_ushl, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 13/43] target/arm: Convert SUQADD, USQADD to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (11 preceding siblings ...)
2024-05-31 12:03 ` [PULL 12/43] target/arm: Convert SQADD, SQSUB, UQADD, UQSUB to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 14/43] target/arm: Convert SSHL, USHL " Peter Maydell
` (30 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
These are faux 2-operand instructions, reading from rd.
Sort them next to the other three-operand same insns for clarity.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 8 +++++
target/arm/tcg/translate-a64.c | 64 ++++------------------------------
2 files changed, 14 insertions(+), 58 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 19010af03bb..7c350ba833f 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -45,6 +45,7 @@
@rrr_sd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=%esz_sd
@rrr_hsd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=%esz_hsd
@rrr_e ........ esz:2 . rm:5 ...... rn:5 rd:5 &rrr_e
+@r2r_e ........ esz:2 . ..... ...... rm:5 rd:5 &rrr_e rn=%rd
@rrx_h ........ .. .. rm:4 .... . . rn:5 rd:5 &rrx_e esz=1 idx=%hlm
@rrx_s ........ .. . rm:5 .... . . rn:5 rd:5 &rrx_e esz=2 idx=%hl
@@ -60,6 +61,7 @@
@qrrr_h . q:1 ...... ... rm:5 ...... rn:5 rd:5 &qrrr_e esz=1
@qrrr_sd . q:1 ...... ... rm:5 ...... rn:5 rd:5 &qrrr_e esz=%esz_sd
@qrrr_e . q:1 ...... esz:2 . rm:5 ...... rn:5 rd:5 &qrrr_e
+@qr2r_e . q:1 ...... esz:2 . ..... ...... rm:5 rd:5 &qrrr_e rn=%rd
@qrrx_h . q:1 .. .... .. .. rm:4 .... . . rn:5 rd:5 \
&qrrx_e esz=1 idx=%hlm
@@ -750,6 +752,9 @@ UQADD_s 0111 1110 ..1 ..... 00001 1 ..... ..... @rrr_e
SQSUB_s 0101 1110 ..1 ..... 00101 1 ..... ..... @rrr_e
UQSUB_s 0111 1110 ..1 ..... 00101 1 ..... ..... @rrr_e
+SUQADD_s 0101 1110 ..1 00000 00111 0 ..... ..... @r2r_e
+USQADD_s 0111 1110 ..1 00000 00111 0 ..... ..... @r2r_e
+
### Advanced SIMD scalar pairwise
FADDP_s 0101 1110 0011 0000 1101 10 ..... ..... @rr_h
@@ -868,6 +873,9 @@ UQADD_v 0.10 1110 ..1 ..... 00001 1 ..... ..... @qrrr_e
SQSUB_v 0.00 1110 ..1 ..... 00101 1 ..... ..... @qrrr_e
UQSUB_v 0.10 1110 ..1 ..... 00101 1 ..... ..... @qrrr_e
+SUQADD_v 0.00 1110 ..1 00000 00111 0 ..... ..... @qr2r_e
+USQADD_v 0.10 1110 ..1 00000 00111 0 ..... ..... @qr2r_e
+
### Advanced SIMD scalar x indexed element
FMUL_si 0101 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 3956c415431..c0637bda0fc 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5096,6 +5096,8 @@ TRANS(SQADD_s, do_satacc_s, a, MO_SIGN, MO_SIGN, gen_sqadd_bhs, gen_sqadd_d)
TRANS(SQSUB_s, do_satacc_s, a, MO_SIGN, MO_SIGN, gen_sqsub_bhs, gen_sqsub_d)
TRANS(UQADD_s, do_satacc_s, a, 0, 0, gen_uqadd_bhs, gen_uqadd_d)
TRANS(UQSUB_s, do_satacc_s, a, 0, 0, gen_uqsub_bhs, gen_uqsub_d)
+TRANS(SUQADD_s, do_satacc_s, a, MO_SIGN, 0, gen_suqadd_bhs, gen_suqadd_d)
+TRANS(USQADD_s, do_satacc_s, a, 0, MO_SIGN, gen_usqadd_bhs, gen_usqadd_d)
static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a,
gen_helper_gvec_3_ptr * const fns[3])
@@ -5339,6 +5341,8 @@ TRANS(SQADD_v, do_gvec_fn3, a, gen_gvec_sqadd_qc)
TRANS(UQADD_v, do_gvec_fn3, a, gen_gvec_uqadd_qc)
TRANS(SQSUB_v, do_gvec_fn3, a, gen_gvec_sqsub_qc)
TRANS(UQSUB_v, do_gvec_fn3, a, gen_gvec_uqsub_qc)
+TRANS(SUQADD_v, do_gvec_fn3, a, gen_gvec_suqadd_qc)
+TRANS(USQADD_v, do_gvec_fn3, a, gen_gvec_usqadd_qc)
/*
* Advanced SIMD scalar/vector x indexed element
@@ -10009,48 +10013,6 @@ static void handle_2misc_narrow(DisasContext *s, bool scalar,
clear_vec_high(s, is_q, rd);
}
-/* Remaining saturating accumulating ops */
-static void handle_2misc_satacc(DisasContext *s, bool is_scalar, bool is_u,
- bool is_q, unsigned size, int rn, int rd)
-{
- TCGv_i64 res, qc, a, b;
-
- if (!is_scalar) {
- gen_gvec_fn3(s, is_q, rd, rd, rn,
- is_u ? gen_gvec_usqadd_qc : gen_gvec_suqadd_qc, size);
- return;
- }
-
- res = tcg_temp_new_i64();
- qc = tcg_temp_new_i64();
- a = tcg_temp_new_i64();
- b = tcg_temp_new_i64();
-
- /* Read and extend scalar inputs to 64-bits. */
- read_vec_element(s, a, rd, 0, size | (is_u ? 0 : MO_SIGN));
- read_vec_element(s, b, rn, 0, size | (is_u ? MO_SIGN : 0));
- tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
-
- if (size == MO_64) {
- if (is_u) {
- gen_usqadd_d(res, qc, a, b);
- } else {
- gen_suqadd_d(res, qc, a, b);
- }
- } else {
- if (is_u) {
- gen_usqadd_bhs(res, qc, a, b, size);
- } else {
- gen_suqadd_bhs(res, qc, a, b, size);
- /* Truncate signed 64-bit result for writeback. */
- tcg_gen_ext_i64(res, res, size);
- }
- }
-
- write_fp_dreg(s, rd, res);
- tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
-}
-
/* AdvSIMD scalar two reg misc
* 31 30 29 28 24 23 22 21 17 16 12 11 10 9 5 4 0
* +-----+---+-----------+------+-----------+--------+-----+------+------+
@@ -10070,12 +10032,6 @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn)
TCGv_ptr tcg_fpstatus;
switch (opcode) {
- case 0x3: /* USQADD / SUQADD*/
- if (!fp_access_check(s)) {
- return;
- }
- handle_2misc_satacc(s, true, u, false, size, rn, rd);
- return;
case 0x7: /* SQABS / SQNEG */
break;
case 0xa: /* CMLT */
@@ -10175,6 +10131,7 @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn)
}
break;
default:
+ case 0x3: /* USQADD / SUQADD */
unallocated_encoding(s);
return;
}
@@ -11662,16 +11619,6 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn)
return;
}
break;
- case 0x3: /* SUQADD, USQADD */
- if (size == 3 && !is_q) {
- unallocated_encoding(s);
- return;
- }
- if (!fp_access_check(s)) {
- return;
- }
- handle_2misc_satacc(s, false, u, is_q, size, rn, rd);
- return;
case 0x7: /* SQABS, SQNEG */
if (size == 3 && !is_q) {
unallocated_encoding(s);
@@ -11846,6 +11793,7 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn)
break;
}
default:
+ case 0x3: /* SUQADD, USQADD */
unallocated_encoding(s);
return;
}
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 14/43] target/arm: Convert SSHL, USHL to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (12 preceding siblings ...)
2024-05-31 12:03 ` [PULL 13/43] target/arm: Convert SUQADD, USQADD " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 15/43] target/arm: Convert SRSHL and URSHL (register) to gvec Peter Maydell
` (29 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 7 ++++++
target/arm/tcg/translate-a64.c | 40 +++++++++++++++++++++-------------
2 files changed, 32 insertions(+), 15 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 7c350ba833f..ea897d6732c 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -42,6 +42,7 @@
@rr_sd ........ ... ..... ...... rn:5 rd:5 &rr_e esz=%esz_sd
@rrr_h ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=1
+@rrr_d ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=3
@rrr_sd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=%esz_sd
@rrr_hsd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=%esz_hsd
@rrr_e ........ esz:2 . rm:5 ...... rn:5 rd:5 &rrr_e
@@ -755,6 +756,9 @@ UQSUB_s 0111 1110 ..1 ..... 00101 1 ..... ..... @rrr_e
SUQADD_s 0101 1110 ..1 00000 00111 0 ..... ..... @r2r_e
USQADD_s 0111 1110 ..1 00000 00111 0 ..... ..... @r2r_e
+SSHL_s 0101 1110 111 ..... 01000 1 ..... ..... @rrr_d
+USHL_s 0111 1110 111 ..... 01000 1 ..... ..... @rrr_d
+
### Advanced SIMD scalar pairwise
FADDP_s 0101 1110 0011 0000 1101 10 ..... ..... @rr_h
@@ -876,6 +880,9 @@ UQSUB_v 0.10 1110 ..1 ..... 00101 1 ..... ..... @qrrr_e
SUQADD_v 0.00 1110 ..1 00000 00111 0 ..... ..... @qr2r_e
USQADD_v 0.10 1110 ..1 00000 00111 0 ..... ..... @qr2r_e
+SSHL_v 0.00 1110 ..1 ..... 01000 1 ..... ..... @qrrr_e
+USHL_v 0.10 1110 ..1 ..... 01000 1 ..... ..... @qrrr_e
+
### Advanced SIMD scalar x indexed element
FMUL_si 0101 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index c0637bda0fc..7c7a22985bd 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5099,6 +5099,24 @@ TRANS(UQSUB_s, do_satacc_s, a, 0, 0, gen_uqsub_bhs, gen_uqsub_d)
TRANS(SUQADD_s, do_satacc_s, a, MO_SIGN, 0, gen_suqadd_bhs, gen_suqadd_d)
TRANS(USQADD_s, do_satacc_s, a, 0, MO_SIGN, gen_usqadd_bhs, gen_usqadd_d)
+static bool do_int3_scalar_d(DisasContext *s, arg_rrr_e *a,
+ void (*fn)(TCGv_i64, TCGv_i64, TCGv_i64))
+{
+ if (fp_access_check(s)) {
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+
+ read_vec_element(s, t0, a->rn, 0, MO_64);
+ read_vec_element(s, t1, a->rm, 0, MO_64);
+ fn(t0, t0, t1);
+ write_fp_dreg(s, a->rd, t0);
+ }
+ return true;
+}
+
+TRANS(SSHL_s, do_int3_scalar_d, a, gen_sshl_i64)
+TRANS(USHL_s, do_int3_scalar_d, a, gen_ushl_i64)
+
static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a,
gen_helper_gvec_3_ptr * const fns[3])
{
@@ -5344,6 +5362,10 @@ TRANS(UQSUB_v, do_gvec_fn3, a, gen_gvec_uqsub_qc)
TRANS(SUQADD_v, do_gvec_fn3, a, gen_gvec_suqadd_qc)
TRANS(USQADD_v, do_gvec_fn3, a, gen_gvec_usqadd_qc)
+TRANS(SSHL_v, do_gvec_fn3, a, gen_gvec_sshl)
+TRANS(USHL_v, do_gvec_fn3, a, gen_gvec_ushl)
+
+
/*
* Advanced SIMD scalar/vector x indexed element
*/
@@ -9355,13 +9377,6 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
}
gen_cmtst_i64(tcg_rd, tcg_rn, tcg_rm);
break;
- case 0x8: /* SSHL, USHL */
- if (u) {
- gen_ushl_i64(tcg_rd, tcg_rn, tcg_rm);
- } else {
- gen_sshl_i64(tcg_rd, tcg_rn, tcg_rm);
- }
- break;
case 0x9: /* SQSHL, UQSHL */
if (u) {
gen_helper_neon_qshl_u64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
@@ -9393,6 +9408,7 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
default:
case 0x1: /* SQADD / UQADD */
case 0x5: /* SQSUB / UQSUB */
+ case 0x8: /* SSHL, USHL */
g_assert_not_reached();
}
}
@@ -9417,7 +9433,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x9: /* SQSHL, UQSHL */
case 0xb: /* SQRSHL, UQRSHL */
break;
- case 0x8: /* SSHL, USHL */
case 0xa: /* SRSHL, URSHL */
case 0x6: /* CMGT, CMHI */
case 0x7: /* CMGE, CMHS */
@@ -9437,6 +9452,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
default:
case 0x1: /* SQADD, UQADD */
case 0x5: /* SQSUB, UQSUB */
+ case 0x8: /* SSHL, USHL */
unallocated_encoding(s);
return;
}
@@ -10912,6 +10928,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x01: /* SQADD, UQADD */
case 0x05: /* SQSUB, UQSUB */
+ case 0x08: /* SSHL, USHL */
unallocated_encoding(s);
return;
}
@@ -10921,13 +10938,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x08: /* SSHL, USHL */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_ushl, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sshl, size);
- }
- return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 15/43] target/arm: Convert SRSHL and URSHL (register) to gvec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (13 preceding siblings ...)
2024-05-31 12:03 ` [PULL 14/43] target/arm: Convert SSHL, USHL " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 16/43] target/arm: Convert SRSHL, URSHL to decodetree Peter Maydell
` (28 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240528203044.612851-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 10 +++++++++
target/arm/tcg/translate.h | 4 ++++
target/arm/tcg/neon-dp.decode | 10 ++-------
target/arm/tcg/gengvec.c | 22 +++++++++++++++++++
target/arm/tcg/neon_helper.c | 38 ++++++++++++++++++++++++++++++++-
target/arm/tcg/translate-a64.c | 17 ++++++---------
target/arm/tcg/translate-neon.c | 6 ++----
7 files changed, 84 insertions(+), 23 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index a14c040451e..25eb7bf5dfd 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -327,6 +327,16 @@ DEF_HELPER_3(neon_qrshl_s32, i32, env, i32, i32)
DEF_HELPER_3(neon_qrshl_u64, i64, env, i64, i64)
DEF_HELPER_3(neon_qrshl_s64, i64, env, i64, i64)
+DEF_HELPER_FLAGS_4(gvec_srshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_srshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_srshl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_srshl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(gvec_urshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_urshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_urshl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_urshl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
DEF_HELPER_2(neon_add_u8, i32, i32, i32)
DEF_HELPER_2(neon_add_u16, i32, i32, i32)
DEF_HELPER_2(neon_sub_u8, i32, i32, i32)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index 87439dcc612..ea63ffc47b3 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -459,6 +459,10 @@ void gen_gvec_sshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_gvec_ushl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_srshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_urshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
void gen_ushl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
diff --git a/target/arm/tcg/neon-dp.decode b/target/arm/tcg/neon-dp.decode
index fd3a01bfa0b..8525c65c0d2 100644
--- a/target/arm/tcg/neon-dp.decode
+++ b/target/arm/tcg/neon-dp.decode
@@ -117,14 +117,8 @@ VSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 0 .... @3same_rev
VQSHL_U64_3s 1111 001 1 0 . .. .... .... 0100 . . . 1 .... @3same_64_rev
VQSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 1 .... @3same_rev
}
-{
- VRSHL_S64_3s 1111 001 0 0 . .. .... .... 0101 . . . 0 .... @3same_64_rev
- VRSHL_S_3s 1111 001 0 0 . .. .... .... 0101 . . . 0 .... @3same_rev
-}
-{
- VRSHL_U64_3s 1111 001 1 0 . .. .... .... 0101 . . . 0 .... @3same_64_rev
- VRSHL_U_3s 1111 001 1 0 . .. .... .... 0101 . . . 0 .... @3same_rev
-}
+VRSHL_S_3s 1111 001 0 0 . .. .... .... 0101 . . . 0 .... @3same_rev
+VRSHL_U_3s 1111 001 1 0 . .. .... .... 0101 . . . 0 .... @3same_rev
{
VQRSHL_S64_3s 1111 001 0 0 . .. .... .... 0101 . . . 1 .... @3same_64_rev
VQRSHL_S_3s 1111 001 0 0 . .. .... .... 0101 . . . 1 .... @3same_rev
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 740f3f864e5..216a9f81e3b 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -1218,6 +1218,28 @@ void gen_gvec_sshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
}
+void gen_gvec_srshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3 * const fns[] = {
+ gen_helper_gvec_srshl_b, gen_helper_gvec_srshl_h,
+ gen_helper_gvec_srshl_s, gen_helper_gvec_srshl_d,
+ };
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3_ool(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, 0, fns[vece]);
+}
+
+void gen_gvec_urshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3 * const fns[] = {
+ gen_helper_gvec_urshl_b, gen_helper_gvec_urshl_h,
+ gen_helper_gvec_urshl_s, gen_helper_gvec_urshl_d,
+ };
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3_ool(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, 0, fns[vece]);
+}
+
void gen_uqadd_bhs(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b, MemOp esz)
{
uint64_t max = MAKE_64BIT_MASK(0, 8 << esz);
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index 0af15e9f6ef..516ecc1dcbe 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -6,10 +6,11 @@
*
* This code is licensed under the GNU GPL v2.
*/
-#include "qemu/osdep.h"
+#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/helper-proto.h"
+#include "tcg/tcg-gvec-desc.h"
#include "fpu/softfloat.h"
#include "vec_internal.h"
@@ -117,6 +118,17 @@ NEON_VOP_BODY(vtype, n)
uint32_t HELPER(glue(neon_,name))(CPUARMState *env, uint32_t arg1, uint32_t arg2) \
NEON_VOP_BODY(vtype, n)
+#define NEON_GVEC_VOP2(name, vtype) \
+void HELPER(name)(void *vd, void *vn, void *vm, uint32_t desc) \
+{ \
+ intptr_t i, opr_sz = simd_oprsz(desc); \
+ vtype *d = vd, *n = vn, *m = vm; \
+ for (i = 0; i < opr_sz / sizeof(vtype); i++) { \
+ NEON_FN(d[i], n[i], m[i]); \
+ } \
+ clear_tail(d, opr_sz, simd_maxsz(desc)); \
+}
+
/* Pairwise operations. */
/* For 32-bit elements each segment only contains a single element, so
the elementwise and pairwise operations are the same. */
@@ -263,11 +275,23 @@ NEON_VOP(shl_s16, neon_s16, 2)
#define NEON_FN(dest, src1, src2) \
(dest = do_sqrshl_bhs(src1, (int8_t)src2, 8, true, NULL))
NEON_VOP(rshl_s8, neon_s8, 4)
+NEON_GVEC_VOP2(gvec_srshl_b, int8_t)
#undef NEON_FN
#define NEON_FN(dest, src1, src2) \
(dest = do_sqrshl_bhs(src1, (int8_t)src2, 16, true, NULL))
NEON_VOP(rshl_s16, neon_s16, 2)
+NEON_GVEC_VOP2(gvec_srshl_h, int16_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_sqrshl_bhs(src1, (int8_t)src2, 32, true, NULL))
+NEON_GVEC_VOP2(gvec_srshl_s, int32_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_sqrshl_d(src1, (int8_t)src2, true, NULL))
+NEON_GVEC_VOP2(gvec_srshl_d, int64_t)
#undef NEON_FN
uint32_t HELPER(neon_rshl_s32)(uint32_t val, uint32_t shift)
@@ -283,11 +307,23 @@ uint64_t HELPER(neon_rshl_s64)(uint64_t val, uint64_t shift)
#define NEON_FN(dest, src1, src2) \
(dest = do_uqrshl_bhs(src1, (int8_t)src2, 8, true, NULL))
NEON_VOP(rshl_u8, neon_u8, 4)
+NEON_GVEC_VOP2(gvec_urshl_b, uint8_t)
#undef NEON_FN
#define NEON_FN(dest, src1, src2) \
(dest = do_uqrshl_bhs(src1, (int8_t)src2, 16, true, NULL))
NEON_VOP(rshl_u16, neon_u16, 2)
+NEON_GVEC_VOP2(gvec_urshl_h, uint16_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_uqrshl_bhs(src1, (int8_t)src2, 32, true, NULL))
+NEON_GVEC_VOP2(gvec_urshl_s, int32_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_uqrshl_d(src1, (int8_t)src2, true, NULL))
+NEON_GVEC_VOP2(gvec_urshl_d, int64_t)
#undef NEON_FN
uint32_t HELPER(neon_rshl_u32)(uint32_t val, uint32_t shift)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 7c7a22985bd..7e981f8d011 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -10938,6 +10938,13 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
+ case 0x0a: /* SRSHL, URSHL */
+ if (u) {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_urshl, size);
+ } else {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_srshl, size);
+ }
+ return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
@@ -11083,16 +11090,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
genenvfn = fns[size][u];
break;
}
- case 0xa: /* SRSHL, URSHL */
- {
- static NeonGenTwoOpFn * const fns[3][2] = {
- { gen_helper_neon_rshl_s8, gen_helper_neon_rshl_u8 },
- { gen_helper_neon_rshl_s16, gen_helper_neon_rshl_u16 },
- { gen_helper_neon_rshl_s32, gen_helper_neon_rshl_u32 },
- };
- genfn = fns[size][u];
- break;
- }
case 0xb: /* SQRSHL, UQRSHL */
{
static NeonGenTwoOpEnvFn * const fns[3][2] = {
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index 18b048611b3..337488bbf16 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -794,6 +794,8 @@ DO_3SAME(VQADD_S, gen_gvec_sqadd_qc)
DO_3SAME(VQADD_U, gen_gvec_uqadd_qc)
DO_3SAME(VQSUB_S, gen_gvec_sqsub_qc)
DO_3SAME(VQSUB_U, gen_gvec_uqsub_qc)
+DO_3SAME(VRSHL_S, gen_gvec_srshl)
+DO_3SAME(VRSHL_U, gen_gvec_urshl)
/* These insns are all gvec_bitsel but with the inputs in various orders. */
#define DO_3SAME_BITSEL(INSN, O1, O2, O3) \
@@ -929,8 +931,6 @@ DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
} \
DO_3SAME_64(INSN, gen_##INSN##_elt)
-DO_3SAME_64(VRSHL_S64, gen_helper_neon_rshl_s64)
-DO_3SAME_64(VRSHL_U64, gen_helper_neon_rshl_u64)
DO_3SAME_64_ENV(VQSHL_S64, gen_helper_neon_qshl_s64)
DO_3SAME_64_ENV(VQSHL_U64, gen_helper_neon_qshl_u64)
DO_3SAME_64_ENV(VQRSHL_S64, gen_helper_neon_qrshl_s64)
@@ -999,8 +999,6 @@ DO_3SAME_32(VHSUB_S, hsub_s)
DO_3SAME_32(VHSUB_U, hsub_u)
DO_3SAME_32(VRHADD_S, rhadd_s)
DO_3SAME_32(VRHADD_U, rhadd_u)
-DO_3SAME_32(VRSHL_S, rshl_s)
-DO_3SAME_32(VRSHL_U, rshl_u)
DO_3SAME_32_ENV(VQSHL_S, qshl_s)
DO_3SAME_32_ENV(VQSHL_U, qshl_u)
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 16/43] target/arm: Convert SRSHL, URSHL to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (14 preceding siblings ...)
2024-05-31 12:03 ` [PULL 15/43] target/arm: Convert SRSHL and URSHL (register) to gvec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 17/43] target/arm: Convert SQSHL and UQSHL (register) to gvec Peter Maydell
` (27 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 4 ++++
target/arm/tcg/translate-a64.c | 22 +++++++---------------
2 files changed, 11 insertions(+), 15 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index ea897d6732c..9e027760367 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -758,6 +758,8 @@ USQADD_s 0111 1110 ..1 00000 00111 0 ..... ..... @r2r_e
SSHL_s 0101 1110 111 ..... 01000 1 ..... ..... @rrr_d
USHL_s 0111 1110 111 ..... 01000 1 ..... ..... @rrr_d
+SRSHL_s 0101 1110 111 ..... 01010 1 ..... ..... @rrr_d
+URSHL_s 0111 1110 111 ..... 01010 1 ..... ..... @rrr_d
### Advanced SIMD scalar pairwise
@@ -882,6 +884,8 @@ USQADD_v 0.10 1110 ..1 00000 00111 0 ..... ..... @qr2r_e
SSHL_v 0.00 1110 ..1 ..... 01000 1 ..... ..... @qrrr_e
USHL_v 0.10 1110 ..1 ..... 01000 1 ..... ..... @qrrr_e
+SRSHL_v 0.00 1110 ..1 ..... 01010 1 ..... ..... @qrrr_e
+URSHL_v 0.10 1110 ..1 ..... 01010 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 7e981f8d011..c751da78ef0 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5116,6 +5116,8 @@ static bool do_int3_scalar_d(DisasContext *s, arg_rrr_e *a,
TRANS(SSHL_s, do_int3_scalar_d, a, gen_sshl_i64)
TRANS(USHL_s, do_int3_scalar_d, a, gen_ushl_i64)
+TRANS(SRSHL_s, do_int3_scalar_d, a, gen_helper_neon_rshl_s64)
+TRANS(URSHL_s, do_int3_scalar_d, a, gen_helper_neon_rshl_u64)
static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a,
gen_helper_gvec_3_ptr * const fns[3])
@@ -5364,6 +5366,8 @@ TRANS(USQADD_v, do_gvec_fn3, a, gen_gvec_usqadd_qc)
TRANS(SSHL_v, do_gvec_fn3, a, gen_gvec_sshl)
TRANS(USHL_v, do_gvec_fn3, a, gen_gvec_ushl)
+TRANS(SRSHL_v, do_gvec_fn3, a, gen_gvec_srshl)
+TRANS(URSHL_v, do_gvec_fn3, a, gen_gvec_urshl)
/*
@@ -9384,13 +9388,6 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
gen_helper_neon_qshl_s64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
}
break;
- case 0xa: /* SRSHL, URSHL */
- if (u) {
- gen_helper_neon_rshl_u64(tcg_rd, tcg_rn, tcg_rm);
- } else {
- gen_helper_neon_rshl_s64(tcg_rd, tcg_rn, tcg_rm);
- }
- break;
case 0xb: /* SQRSHL, UQRSHL */
if (u) {
gen_helper_neon_qrshl_u64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
@@ -9409,6 +9406,7 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
case 0x1: /* SQADD / UQADD */
case 0x5: /* SQSUB / UQSUB */
case 0x8: /* SSHL, USHL */
+ case 0xa: /* SRSHL, URSHL */
g_assert_not_reached();
}
}
@@ -9433,7 +9431,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x9: /* SQSHL, UQSHL */
case 0xb: /* SQRSHL, UQRSHL */
break;
- case 0xa: /* SRSHL, URSHL */
case 0x6: /* CMGT, CMHI */
case 0x7: /* CMGE, CMHS */
case 0x11: /* CMTST, CMEQ */
@@ -9453,6 +9450,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x1: /* SQADD, UQADD */
case 0x5: /* SQSUB, UQSUB */
case 0x8: /* SSHL, USHL */
+ case 0xa: /* SRSHL, URSHL */
unallocated_encoding(s);
return;
}
@@ -10929,6 +10927,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x01: /* SQADD, UQADD */
case 0x05: /* SQSUB, UQSUB */
case 0x08: /* SSHL, USHL */
+ case 0x0a: /* SRSHL, URSHL */
unallocated_encoding(s);
return;
}
@@ -10938,13 +10937,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x0a: /* SRSHL, URSHL */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_urshl, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_srshl, size);
- }
- return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 17/43] target/arm: Convert SQSHL and UQSHL (register) to gvec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (15 preceding siblings ...)
2024-05-31 12:03 ` [PULL 16/43] target/arm: Convert SRSHL, URSHL to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 18/43] target/arm: Convert SQSHL, UQSHL to decodetree Peter Maydell
` (26 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240528203044.612851-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 8 ++++++++
target/arm/tcg/translate.h | 4 ++++
target/arm/tcg/neon-dp.decode | 10 ++-------
target/arm/tcg/gengvec.c | 24 ++++++++++++++++++++++
target/arm/tcg/neon_helper.c | 36 +++++++++++++++++++++++++++++++++
target/arm/tcg/translate-a64.c | 17 +++++++---------
target/arm/tcg/translate-neon.c | 6 ++----
7 files changed, 83 insertions(+), 22 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index 25eb7bf5dfd..f345087ddb4 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -326,6 +326,14 @@ DEF_HELPER_3(neon_qrshl_u32, i32, env, i32, i32)
DEF_HELPER_3(neon_qrshl_s32, i32, env, i32, i32)
DEF_HELPER_3(neon_qrshl_u64, i64, env, i64, i64)
DEF_HELPER_3(neon_qrshl_s64, i64, env, i64, i64)
+DEF_HELPER_FLAGS_5(neon_sqshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqshl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqshl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqshl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqshl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_srshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_srshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index ea63ffc47b3..6c6d4d49e7b 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -463,6 +463,10 @@ void gen_gvec_srshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_gvec_urshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_neon_sqshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_neon_uqshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
void gen_ushl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
diff --git a/target/arm/tcg/neon-dp.decode b/target/arm/tcg/neon-dp.decode
index 8525c65c0d2..6d4996b8d86 100644
--- a/target/arm/tcg/neon-dp.decode
+++ b/target/arm/tcg/neon-dp.decode
@@ -109,14 +109,8 @@ VSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 0 .... @3same_rev
@3same_64_rev .... ... . . . 11 .... .... .... . q:1 . . .... \
&3same vm=%vn_dp vn=%vm_dp vd=%vd_dp size=3
-{
- VQSHL_S64_3s 1111 001 0 0 . .. .... .... 0100 . . . 1 .... @3same_64_rev
- VQSHL_S_3s 1111 001 0 0 . .. .... .... 0100 . . . 1 .... @3same_rev
-}
-{
- VQSHL_U64_3s 1111 001 1 0 . .. .... .... 0100 . . . 1 .... @3same_64_rev
- VQSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 1 .... @3same_rev
-}
+VQSHL_S_3s 1111 001 0 0 . .. .... .... 0100 . . . 1 .... @3same_rev
+VQSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 1 .... @3same_rev
VRSHL_S_3s 1111 001 0 0 . .. .... .... 0101 . . . 0 .... @3same_rev
VRSHL_U_3s 1111 001 1 0 . .. .... .... 0101 . . . 0 .... @3same_rev
{
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 216a9f81e3b..63c3ec2e735 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -1240,6 +1240,30 @@ void gen_gvec_urshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
tcg_gen_gvec_3_ool(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, 0, fns[vece]);
}
+void gen_neon_sqshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3_ptr * const fns[] = {
+ gen_helper_neon_sqshl_b, gen_helper_neon_sqshl_h,
+ gen_helper_neon_sqshl_s, gen_helper_neon_sqshl_d,
+ };
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, tcg_env,
+ opr_sz, max_sz, 0, fns[vece]);
+}
+
+void gen_neon_uqshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3_ptr * const fns[] = {
+ gen_helper_neon_uqshl_b, gen_helper_neon_uqshl_h,
+ gen_helper_neon_uqshl_s, gen_helper_neon_uqshl_d,
+ };
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, tcg_env,
+ opr_sz, max_sz, 0, fns[vece]);
+}
+
void gen_uqadd_bhs(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b, MemOp esz)
{
uint64_t max = MAKE_64BIT_MASK(0, 8 << esz);
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index 516ecc1dcbe..88301f0dcb7 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -129,6 +129,18 @@ void HELPER(name)(void *vd, void *vn, void *vm, uint32_t desc) \
clear_tail(d, opr_sz, simd_maxsz(desc)); \
}
+#define NEON_GVEC_VOP2_ENV(name, vtype) \
+void HELPER(name)(void *vd, void *vn, void *vm, void *venv, uint32_t desc) \
+{ \
+ intptr_t i, opr_sz = simd_oprsz(desc); \
+ vtype *d = vd, *n = vn, *m = vm; \
+ CPUARMState *env = venv; \
+ for (i = 0; i < opr_sz / sizeof(vtype); i++) { \
+ NEON_FN(d[i], n[i], m[i]); \
+ } \
+ clear_tail(d, opr_sz, simd_maxsz(desc)); \
+}
+
/* Pairwise operations. */
/* For 32-bit elements each segment only contains a single element, so
the elementwise and pairwise operations are the same. */
@@ -339,11 +351,23 @@ uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shift)
#define NEON_FN(dest, src1, src2) \
(dest = do_uqrshl_bhs(src1, (int8_t)src2, 8, false, env->vfp.qc))
NEON_VOP_ENV(qshl_u8, neon_u8, 4)
+NEON_GVEC_VOP2_ENV(neon_uqshl_b, uint8_t)
#undef NEON_FN
#define NEON_FN(dest, src1, src2) \
(dest = do_uqrshl_bhs(src1, (int8_t)src2, 16, false, env->vfp.qc))
NEON_VOP_ENV(qshl_u16, neon_u16, 2)
+NEON_GVEC_VOP2_ENV(neon_uqshl_h, uint16_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_uqrshl_bhs(src1, (int8_t)src2, 32, false, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_uqshl_s, uint32_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_uqrshl_d(src1, (int8_t)src2, false, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_uqshl_d, uint64_t)
#undef NEON_FN
uint32_t HELPER(neon_qshl_u32)(CPUARMState *env, uint32_t val, uint32_t shift)
@@ -359,11 +383,23 @@ uint64_t HELPER(neon_qshl_u64)(CPUARMState *env, uint64_t val, uint64_t shift)
#define NEON_FN(dest, src1, src2) \
(dest = do_sqrshl_bhs(src1, (int8_t)src2, 8, false, env->vfp.qc))
NEON_VOP_ENV(qshl_s8, neon_s8, 4)
+NEON_GVEC_VOP2_ENV(neon_sqshl_b, int8_t)
#undef NEON_FN
#define NEON_FN(dest, src1, src2) \
(dest = do_sqrshl_bhs(src1, (int8_t)src2, 16, false, env->vfp.qc))
NEON_VOP_ENV(qshl_s16, neon_s16, 2)
+NEON_GVEC_VOP2_ENV(neon_sqshl_h, int16_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_sqrshl_bhs(src1, (int8_t)src2, 32, false, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_sqshl_s, int32_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_sqrshl_d(src1, (int8_t)src2, false, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_sqshl_d, int64_t)
#undef NEON_FN
uint32_t HELPER(neon_qshl_s32)(CPUARMState *env, uint32_t val, uint32_t shift)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index c751da78ef0..c88702dad66 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -10937,6 +10937,13 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
+ case 0x09: /* SQSHL, UQSHL */
+ if (u) {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_uqshl, size);
+ } else {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_sqshl, size);
+ }
+ return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
@@ -11072,16 +11079,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
genfn = fns[size][u];
break;
}
- case 0x9: /* SQSHL, UQSHL */
- {
- static NeonGenTwoOpEnvFn * const fns[3][2] = {
- { gen_helper_neon_qshl_s8, gen_helper_neon_qshl_u8 },
- { gen_helper_neon_qshl_s16, gen_helper_neon_qshl_u16 },
- { gen_helper_neon_qshl_s32, gen_helper_neon_qshl_u32 },
- };
- genenvfn = fns[size][u];
- break;
- }
case 0xb: /* SQRSHL, UQRSHL */
{
static NeonGenTwoOpEnvFn * const fns[3][2] = {
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index 337488bbf16..a3eec470926 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -796,6 +796,8 @@ DO_3SAME(VQSUB_S, gen_gvec_sqsub_qc)
DO_3SAME(VQSUB_U, gen_gvec_uqsub_qc)
DO_3SAME(VRSHL_S, gen_gvec_srshl)
DO_3SAME(VRSHL_U, gen_gvec_urshl)
+DO_3SAME(VQSHL_S, gen_neon_sqshl)
+DO_3SAME(VQSHL_U, gen_neon_uqshl)
/* These insns are all gvec_bitsel but with the inputs in various orders. */
#define DO_3SAME_BITSEL(INSN, O1, O2, O3) \
@@ -931,8 +933,6 @@ DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
} \
DO_3SAME_64(INSN, gen_##INSN##_elt)
-DO_3SAME_64_ENV(VQSHL_S64, gen_helper_neon_qshl_s64)
-DO_3SAME_64_ENV(VQSHL_U64, gen_helper_neon_qshl_u64)
DO_3SAME_64_ENV(VQRSHL_S64, gen_helper_neon_qrshl_s64)
DO_3SAME_64_ENV(VQRSHL_U64, gen_helper_neon_qrshl_u64)
@@ -1000,8 +1000,6 @@ DO_3SAME_32(VHSUB_U, hsub_u)
DO_3SAME_32(VRHADD_S, rhadd_s)
DO_3SAME_32(VRHADD_U, rhadd_u)
-DO_3SAME_32_ENV(VQSHL_S, qshl_s)
-DO_3SAME_32_ENV(VQSHL_U, qshl_u)
DO_3SAME_32_ENV(VQRSHL_S, qrshl_s)
DO_3SAME_32_ENV(VQRSHL_U, qrshl_u)
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 18/43] target/arm: Convert SQSHL, UQSHL to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (16 preceding siblings ...)
2024-05-31 12:03 ` [PULL 17/43] target/arm: Convert SQSHL and UQSHL (register) to gvec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 19/43] target/arm: Convert SQRSHL and UQRSHL (register) to gvec Peter Maydell
` (25 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 4 ++
target/arm/tcg/translate-a64.c | 74 ++++++++++++++++++++++------------
2 files changed, 53 insertions(+), 25 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 9e027760367..85caf379486 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -760,6 +760,8 @@ SSHL_s 0101 1110 111 ..... 01000 1 ..... ..... @rrr_d
USHL_s 0111 1110 111 ..... 01000 1 ..... ..... @rrr_d
SRSHL_s 0101 1110 111 ..... 01010 1 ..... ..... @rrr_d
URSHL_s 0111 1110 111 ..... 01010 1 ..... ..... @rrr_d
+SQSHL_s 0101 1110 ..1 ..... 01001 1 ..... ..... @rrr_e
+UQSHL_s 0111 1110 ..1 ..... 01001 1 ..... ..... @rrr_e
### Advanced SIMD scalar pairwise
@@ -886,6 +888,8 @@ SSHL_v 0.00 1110 ..1 ..... 01000 1 ..... ..... @qrrr_e
USHL_v 0.10 1110 ..1 ..... 01000 1 ..... ..... @qrrr_e
SRSHL_v 0.00 1110 ..1 ..... 01010 1 ..... ..... @qrrr_e
URSHL_v 0.10 1110 ..1 ..... 01010 1 ..... ..... @qrrr_e
+SQSHL_v 0.00 1110 ..1 ..... 01001 1 ..... ..... @qrrr_e
+UQSHL_v 0.10 1110 ..1 ..... 01001 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index c88702dad66..97bd69eb3f8 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5119,6 +5119,49 @@ TRANS(USHL_s, do_int3_scalar_d, a, gen_ushl_i64)
TRANS(SRSHL_s, do_int3_scalar_d, a, gen_helper_neon_rshl_s64)
TRANS(URSHL_s, do_int3_scalar_d, a, gen_helper_neon_rshl_u64)
+typedef struct ENVScalar2 {
+ NeonGenTwoOpEnvFn *gen_bhs[3];
+ NeonGenTwo64OpEnvFn *gen_d;
+} ENVScalar2;
+
+static bool do_env_scalar2(DisasContext *s, arg_rrr_e *a, const ENVScalar2 *f)
+{
+ if (!fp_access_check(s)) {
+ return true;
+ }
+ if (a->esz == MO_64) {
+ TCGv_i64 t0 = read_fp_dreg(s, a->rn);
+ TCGv_i64 t1 = read_fp_dreg(s, a->rm);
+ f->gen_d(t0, tcg_env, t0, t1);
+ write_fp_dreg(s, a->rd, t0);
+ } else {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ TCGv_i32 t1 = tcg_temp_new_i32();
+
+ read_vec_element_i32(s, t0, a->rn, 0, a->esz);
+ read_vec_element_i32(s, t1, a->rm, 0, a->esz);
+ f->gen_bhs[a->esz](t0, tcg_env, t0, t1);
+ write_fp_sreg(s, a->rd, t0);
+ }
+ return true;
+}
+
+static const ENVScalar2 f_scalar_sqshl = {
+ { gen_helper_neon_qshl_s8,
+ gen_helper_neon_qshl_s16,
+ gen_helper_neon_qshl_s32 },
+ gen_helper_neon_qshl_s64,
+};
+TRANS(SQSHL_s, do_env_scalar2, a, &f_scalar_sqshl)
+
+static const ENVScalar2 f_scalar_uqshl = {
+ { gen_helper_neon_qshl_u8,
+ gen_helper_neon_qshl_u16,
+ gen_helper_neon_qshl_u32 },
+ gen_helper_neon_qshl_u64,
+};
+TRANS(UQSHL_s, do_env_scalar2, a, &f_scalar_uqshl)
+
static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a,
gen_helper_gvec_3_ptr * const fns[3])
{
@@ -5368,6 +5411,8 @@ TRANS(SSHL_v, do_gvec_fn3, a, gen_gvec_sshl)
TRANS(USHL_v, do_gvec_fn3, a, gen_gvec_ushl)
TRANS(SRSHL_v, do_gvec_fn3, a, gen_gvec_srshl)
TRANS(URSHL_v, do_gvec_fn3, a, gen_gvec_urshl)
+TRANS(SQSHL_v, do_gvec_fn3, a, gen_neon_sqshl)
+TRANS(UQSHL_v, do_gvec_fn3, a, gen_neon_uqshl)
/*
@@ -9381,13 +9426,6 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
}
gen_cmtst_i64(tcg_rd, tcg_rn, tcg_rm);
break;
- case 0x9: /* SQSHL, UQSHL */
- if (u) {
- gen_helper_neon_qshl_u64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
- } else {
- gen_helper_neon_qshl_s64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
- }
- break;
case 0xb: /* SQRSHL, UQRSHL */
if (u) {
gen_helper_neon_qrshl_u64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
@@ -9406,6 +9444,7 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
case 0x1: /* SQADD / UQADD */
case 0x5: /* SQSUB / UQSUB */
case 0x8: /* SSHL, USHL */
+ case 0x9: /* SQSHL, UQSHL */
case 0xa: /* SRSHL, URSHL */
g_assert_not_reached();
}
@@ -9428,7 +9467,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
TCGv_i64 tcg_rd;
switch (opcode) {
- case 0x9: /* SQSHL, UQSHL */
case 0xb: /* SQRSHL, UQRSHL */
break;
case 0x6: /* CMGT, CMHI */
@@ -9450,6 +9488,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x1: /* SQADD, UQADD */
case 0x5: /* SQSUB, UQSUB */
case 0x8: /* SSHL, USHL */
+ case 0x9: /* SQSHL, UQSHL */
case 0xa: /* SRSHL, URSHL */
unallocated_encoding(s);
return;
@@ -9477,16 +9516,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
void (*genfn)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64, MemOp) = NULL;
switch (opcode) {
- case 0x9: /* SQSHL, UQSHL */
- {
- static NeonGenTwoOpEnvFn * const fns[3][2] = {
- { gen_helper_neon_qshl_s8, gen_helper_neon_qshl_u8 },
- { gen_helper_neon_qshl_s16, gen_helper_neon_qshl_u16 },
- { gen_helper_neon_qshl_s32, gen_helper_neon_qshl_u32 },
- };
- genenvfn = fns[size][u];
- break;
- }
case 0xb: /* SQRSHL, UQRSHL */
{
static NeonGenTwoOpEnvFn * const fns[3][2] = {
@@ -9510,6 +9539,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
default:
case 0x1: /* SQADD, UQADD */
case 0x5: /* SQSUB, UQSUB */
+ case 0x9: /* SQSHL, UQSHL */
g_assert_not_reached();
}
@@ -10927,6 +10957,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x01: /* SQADD, UQADD */
case 0x05: /* SQSUB, UQSUB */
case 0x08: /* SSHL, USHL */
+ case 0x09: /* SQSHL, UQSHL */
case 0x0a: /* SRSHL, URSHL */
unallocated_encoding(s);
return;
@@ -10937,13 +10968,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x09: /* SQSHL, UQSHL */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_uqshl, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_sqshl, size);
- }
- return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 19/43] target/arm: Convert SQRSHL and UQRSHL (register) to gvec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (17 preceding siblings ...)
2024-05-31 12:03 ` [PULL 18/43] target/arm: Convert SQSHL, UQSHL to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 20/43] target/arm: Convert SQRSHL, UQRSHL to decodetree Peter Maydell
` (24 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-15-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 8 ++++++
target/arm/tcg/translate.h | 4 +++
target/arm/tcg/neon-dp.decode | 17 ++----------
target/arm/tcg/gengvec.c | 24 ++++++++++++++++
target/arm/tcg/neon_helper.c | 24 ++++++++++++++++
target/arm/tcg/translate-a64.c | 17 +++++-------
target/arm/tcg/translate-neon.c | 49 ++-------------------------------
7 files changed, 71 insertions(+), 72 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index f345087ddb4..9a89c9cea74 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -334,6 +334,14 @@ DEF_HELPER_FLAGS_5(neon_uqshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(neon_uqshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(neon_uqshl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(neon_uqshl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqrshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqrshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqrshl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqrshl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqrshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqrshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqrshl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_uqrshl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_srshl_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_srshl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index 6c6d4d49e7b..048cb45ebe9 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -467,6 +467,10 @@ void gen_neon_sqshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_neon_uqshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_neon_sqrshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_neon_uqrshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
void gen_ushl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
diff --git a/target/arm/tcg/neon-dp.decode b/target/arm/tcg/neon-dp.decode
index 6d4996b8d86..788578c8fa1 100644
--- a/target/arm/tcg/neon-dp.decode
+++ b/target/arm/tcg/neon-dp.decode
@@ -102,25 +102,12 @@ VCGE_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 1 .... @3same
VSHL_S_3s 1111 001 0 0 . .. .... .... 0100 . . . 0 .... @3same_rev
VSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 0 .... @3same_rev
-
-# Insns operating on 64-bit elements (size!=0b11 handled elsewhere)
-# The _rev suffix indicates that Vn and Vm are reversed (as explained
-# by the comment for the @3same_rev format).
-@3same_64_rev .... ... . . . 11 .... .... .... . q:1 . . .... \
- &3same vm=%vn_dp vn=%vm_dp vd=%vd_dp size=3
-
VQSHL_S_3s 1111 001 0 0 . .. .... .... 0100 . . . 1 .... @3same_rev
VQSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 1 .... @3same_rev
VRSHL_S_3s 1111 001 0 0 . .. .... .... 0101 . . . 0 .... @3same_rev
VRSHL_U_3s 1111 001 1 0 . .. .... .... 0101 . . . 0 .... @3same_rev
-{
- VQRSHL_S64_3s 1111 001 0 0 . .. .... .... 0101 . . . 1 .... @3same_64_rev
- VQRSHL_S_3s 1111 001 0 0 . .. .... .... 0101 . . . 1 .... @3same_rev
-}
-{
- VQRSHL_U64_3s 1111 001 1 0 . .. .... .... 0101 . . . 1 .... @3same_64_rev
- VQRSHL_U_3s 1111 001 1 0 . .. .... .... 0101 . . . 1 .... @3same_rev
-}
+VQRSHL_S_3s 1111 001 0 0 . .. .... .... 0101 . . . 1 .... @3same_rev
+VQRSHL_U_3s 1111 001 1 0 . .. .... .... 0101 . . . 1 .... @3same_rev
VMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same
VMAX_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 0 .... @3same
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 63c3ec2e735..6dc96269d5e 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -1264,6 +1264,30 @@ void gen_neon_uqshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
opr_sz, max_sz, 0, fns[vece]);
}
+void gen_neon_sqrshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3_ptr * const fns[] = {
+ gen_helper_neon_sqrshl_b, gen_helper_neon_sqrshl_h,
+ gen_helper_neon_sqrshl_s, gen_helper_neon_sqrshl_d,
+ };
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, tcg_env,
+ opr_sz, max_sz, 0, fns[vece]);
+}
+
+void gen_neon_uqrshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3_ptr * const fns[] = {
+ gen_helper_neon_uqrshl_b, gen_helper_neon_uqrshl_h,
+ gen_helper_neon_uqrshl_s, gen_helper_neon_uqrshl_d,
+ };
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, tcg_env,
+ opr_sz, max_sz, 0, fns[vece]);
+}
+
void gen_uqadd_bhs(TCGv_i64 res, TCGv_i64 qc, TCGv_i64 a, TCGv_i64 b, MemOp esz)
{
uint64_t max = MAKE_64BIT_MASK(0, 8 << esz);
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index 88301f0dcb7..b29a7c725f6 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -435,11 +435,23 @@ uint64_t HELPER(neon_qshlu_s64)(CPUARMState *env, uint64_t val, uint64_t shift)
#define NEON_FN(dest, src1, src2) \
(dest = do_uqrshl_bhs(src1, (int8_t)src2, 8, true, env->vfp.qc))
NEON_VOP_ENV(qrshl_u8, neon_u8, 4)
+NEON_GVEC_VOP2_ENV(neon_uqrshl_b, uint8_t)
#undef NEON_FN
#define NEON_FN(dest, src1, src2) \
(dest = do_uqrshl_bhs(src1, (int8_t)src2, 16, true, env->vfp.qc))
NEON_VOP_ENV(qrshl_u16, neon_u16, 2)
+NEON_GVEC_VOP2_ENV(neon_uqrshl_h, uint16_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_uqrshl_bhs(src1, (int8_t)src2, 32, true, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_uqrshl_s, uint32_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_uqrshl_d(src1, (int8_t)src2, true, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_uqrshl_d, uint64_t)
#undef NEON_FN
uint32_t HELPER(neon_qrshl_u32)(CPUARMState *env, uint32_t val, uint32_t shift)
@@ -455,11 +467,23 @@ uint64_t HELPER(neon_qrshl_u64)(CPUARMState *env, uint64_t val, uint64_t shift)
#define NEON_FN(dest, src1, src2) \
(dest = do_sqrshl_bhs(src1, (int8_t)src2, 8, true, env->vfp.qc))
NEON_VOP_ENV(qrshl_s8, neon_s8, 4)
+NEON_GVEC_VOP2_ENV(neon_sqrshl_b, int8_t)
#undef NEON_FN
#define NEON_FN(dest, src1, src2) \
(dest = do_sqrshl_bhs(src1, (int8_t)src2, 16, true, env->vfp.qc))
NEON_VOP_ENV(qrshl_s16, neon_s16, 2)
+NEON_GVEC_VOP2_ENV(neon_sqrshl_h, int16_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_sqrshl_bhs(src1, (int8_t)src2, 32, true, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_sqrshl_s, int32_t)
+#undef NEON_FN
+
+#define NEON_FN(dest, src1, src2) \
+ (dest = do_sqrshl_d(src1, (int8_t)src2, true, env->vfp.qc))
+NEON_GVEC_VOP2_ENV(neon_sqrshl_d, int64_t)
#undef NEON_FN
uint32_t HELPER(neon_qrshl_s32)(CPUARMState *env, uint32_t val, uint32_t shift)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 97bd69eb3f8..b9d577f6206 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -10968,6 +10968,13 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
+ case 0x0b: /* SQRSHL, UQRSHL */
+ if (u) {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_uqrshl, size);
+ } else {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_sqrshl, size);
+ }
+ return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
@@ -11103,16 +11110,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
genfn = fns[size][u];
break;
}
- case 0xb: /* SQRSHL, UQRSHL */
- {
- static NeonGenTwoOpEnvFn * const fns[3][2] = {
- { gen_helper_neon_qrshl_s8, gen_helper_neon_qrshl_u8 },
- { gen_helper_neon_qrshl_s16, gen_helper_neon_qrshl_u16 },
- { gen_helper_neon_qrshl_s32, gen_helper_neon_qrshl_u32 },
- };
- genenvfn = fns[size][u];
- break;
- }
default:
g_assert_not_reached();
}
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index a3eec470926..5f1576393e2 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -798,6 +798,8 @@ DO_3SAME(VRSHL_S, gen_gvec_srshl)
DO_3SAME(VRSHL_U, gen_gvec_urshl)
DO_3SAME(VQSHL_S, gen_neon_sqshl)
DO_3SAME(VQSHL_U, gen_neon_uqshl)
+DO_3SAME(VQRSHL_S, gen_neon_sqrshl)
+DO_3SAME(VQRSHL_U, gen_neon_uqrshl)
/* These insns are all gvec_bitsel but with the inputs in various orders. */
#define DO_3SAME_BITSEL(INSN, O1, O2, O3) \
@@ -916,26 +918,6 @@ DO_SHA2(SHA256H, gen_helper_crypto_sha256h)
DO_SHA2(SHA256H2, gen_helper_crypto_sha256h2)
DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
-#define DO_3SAME_64(INSN, FUNC) \
- static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
- uint32_t rn_ofs, uint32_t rm_ofs, \
- uint32_t oprsz, uint32_t maxsz) \
- { \
- static const GVecGen3 op = { .fni8 = FUNC }; \
- tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &op); \
- } \
- DO_3SAME(INSN, gen_##INSN##_3s)
-
-#define DO_3SAME_64_ENV(INSN, FUNC) \
- static void gen_##INSN##_elt(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) \
- { \
- FUNC(d, tcg_env, n, m); \
- } \
- DO_3SAME_64(INSN, gen_##INSN##_elt)
-
-DO_3SAME_64_ENV(VQRSHL_S64, gen_helper_neon_qrshl_s64)
-DO_3SAME_64_ENV(VQRSHL_U64, gen_helper_neon_qrshl_u64)
-
#define DO_3SAME_32(INSN, FUNC) \
static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
uint32_t rn_ofs, uint32_t rm_ofs, \
@@ -969,30 +951,6 @@ DO_3SAME_64_ENV(VQRSHL_U64, gen_helper_neon_qrshl_u64)
FUNC(d, tcg_env, n, m); \
}
-#define DO_3SAME_32_ENV(INSN, FUNC) \
- WRAP_ENV_FN(gen_##INSN##_tramp8, gen_helper_neon_##FUNC##8); \
- WRAP_ENV_FN(gen_##INSN##_tramp16, gen_helper_neon_##FUNC##16); \
- WRAP_ENV_FN(gen_##INSN##_tramp32, gen_helper_neon_##FUNC##32); \
- static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
- uint32_t rn_ofs, uint32_t rm_ofs, \
- uint32_t oprsz, uint32_t maxsz) \
- { \
- static const GVecGen3 ops[4] = { \
- { .fni4 = gen_##INSN##_tramp8 }, \
- { .fni4 = gen_##INSN##_tramp16 }, \
- { .fni4 = gen_##INSN##_tramp32 }, \
- { 0 }, \
- }; \
- tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &ops[vece]); \
- } \
- static bool trans_##INSN##_3s(DisasContext *s, arg_3same *a) \
- { \
- if (a->size > 2) { \
- return false; \
- } \
- return do_3same(s, a, gen_##INSN##_3s); \
- }
-
DO_3SAME_32(VHADD_S, hadd_s)
DO_3SAME_32(VHADD_U, hadd_u)
DO_3SAME_32(VHSUB_S, hsub_s)
@@ -1000,9 +958,6 @@ DO_3SAME_32(VHSUB_U, hsub_u)
DO_3SAME_32(VRHADD_S, rhadd_s)
DO_3SAME_32(VRHADD_U, rhadd_u)
-DO_3SAME_32_ENV(VQRSHL_S, qrshl_s)
-DO_3SAME_32_ENV(VQRSHL_U, qrshl_u)
-
#define DO_3SAME_VQDMULH(INSN, FUNC) \
WRAP_ENV_FN(gen_##INSN##_tramp16, gen_helper_neon_##FUNC##_s16); \
WRAP_ENV_FN(gen_##INSN##_tramp32, gen_helper_neon_##FUNC##_s32); \
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 20/43] target/arm: Convert SQRSHL, UQRSHL to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (18 preceding siblings ...)
2024-05-31 12:03 ` [PULL 19/43] target/arm: Convert SQRSHL and UQRSHL (register) to gvec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 21/43] target/arm: Convert ADD, SUB (vector) " Peter Maydell
` (23 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-16-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 4 +++
target/arm/tcg/translate-a64.c | 48 ++++++++++++++++------------------
2 files changed, 26 insertions(+), 26 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 85caf379486..96ce35ad40e 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -762,6 +762,8 @@ SRSHL_s 0101 1110 111 ..... 01010 1 ..... ..... @rrr_d
URSHL_s 0111 1110 111 ..... 01010 1 ..... ..... @rrr_d
SQSHL_s 0101 1110 ..1 ..... 01001 1 ..... ..... @rrr_e
UQSHL_s 0111 1110 ..1 ..... 01001 1 ..... ..... @rrr_e
+SQRSHL_s 0101 1110 ..1 ..... 01011 1 ..... ..... @rrr_e
+UQRSHL_s 0111 1110 ..1 ..... 01011 1 ..... ..... @rrr_e
### Advanced SIMD scalar pairwise
@@ -890,6 +892,8 @@ SRSHL_v 0.00 1110 ..1 ..... 01010 1 ..... ..... @qrrr_e
URSHL_v 0.10 1110 ..1 ..... 01010 1 ..... ..... @qrrr_e
SQSHL_v 0.00 1110 ..1 ..... 01001 1 ..... ..... @qrrr_e
UQSHL_v 0.10 1110 ..1 ..... 01001 1 ..... ..... @qrrr_e
+SQRSHL_v 0.00 1110 ..1 ..... 01011 1 ..... ..... @qrrr_e
+UQRSHL_v 0.10 1110 ..1 ..... 01011 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index b9d577f6206..2424c6d314a 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5162,6 +5162,22 @@ static const ENVScalar2 f_scalar_uqshl = {
};
TRANS(UQSHL_s, do_env_scalar2, a, &f_scalar_uqshl)
+static const ENVScalar2 f_scalar_sqrshl = {
+ { gen_helper_neon_qrshl_s8,
+ gen_helper_neon_qrshl_s16,
+ gen_helper_neon_qrshl_s32 },
+ gen_helper_neon_qrshl_s64,
+};
+TRANS(SQRSHL_s, do_env_scalar2, a, &f_scalar_sqrshl)
+
+static const ENVScalar2 f_scalar_uqrshl = {
+ { gen_helper_neon_qrshl_u8,
+ gen_helper_neon_qrshl_u16,
+ gen_helper_neon_qrshl_u32 },
+ gen_helper_neon_qrshl_u64,
+};
+TRANS(UQRSHL_s, do_env_scalar2, a, &f_scalar_uqrshl)
+
static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a,
gen_helper_gvec_3_ptr * const fns[3])
{
@@ -5413,6 +5429,8 @@ TRANS(SRSHL_v, do_gvec_fn3, a, gen_gvec_srshl)
TRANS(URSHL_v, do_gvec_fn3, a, gen_gvec_urshl)
TRANS(SQSHL_v, do_gvec_fn3, a, gen_neon_sqshl)
TRANS(UQSHL_v, do_gvec_fn3, a, gen_neon_uqshl)
+TRANS(SQRSHL_v, do_gvec_fn3, a, gen_neon_sqrshl)
+TRANS(UQRSHL_v, do_gvec_fn3, a, gen_neon_uqrshl)
/*
@@ -9426,13 +9444,6 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
}
gen_cmtst_i64(tcg_rd, tcg_rn, tcg_rm);
break;
- case 0xb: /* SQRSHL, UQRSHL */
- if (u) {
- gen_helper_neon_qrshl_u64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
- } else {
- gen_helper_neon_qrshl_s64(tcg_rd, tcg_env, tcg_rn, tcg_rm);
- }
- break;
case 0x10: /* ADD, SUB */
if (u) {
tcg_gen_sub_i64(tcg_rd, tcg_rn, tcg_rm);
@@ -9446,6 +9457,7 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
case 0x8: /* SSHL, USHL */
case 0x9: /* SQSHL, UQSHL */
case 0xa: /* SRSHL, URSHL */
+ case 0xb: /* SQRSHL, UQRSHL */
g_assert_not_reached();
}
}
@@ -9467,8 +9479,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
TCGv_i64 tcg_rd;
switch (opcode) {
- case 0xb: /* SQRSHL, UQRSHL */
- break;
case 0x6: /* CMGT, CMHI */
case 0x7: /* CMGE, CMHS */
case 0x11: /* CMTST, CMEQ */
@@ -9490,6 +9500,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x8: /* SSHL, USHL */
case 0x9: /* SQSHL, UQSHL */
case 0xa: /* SRSHL, URSHL */
+ case 0xb: /* SQRSHL, UQRSHL */
unallocated_encoding(s);
return;
}
@@ -9516,16 +9527,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
void (*genfn)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64, MemOp) = NULL;
switch (opcode) {
- case 0xb: /* SQRSHL, UQRSHL */
- {
- static NeonGenTwoOpEnvFn * const fns[3][2] = {
- { gen_helper_neon_qrshl_s8, gen_helper_neon_qrshl_u8 },
- { gen_helper_neon_qrshl_s16, gen_helper_neon_qrshl_u16 },
- { gen_helper_neon_qrshl_s32, gen_helper_neon_qrshl_u32 },
- };
- genenvfn = fns[size][u];
- break;
- }
case 0x16: /* SQDMULH, SQRDMULH */
{
static NeonGenTwoOpEnvFn * const fns[2][2] = {
@@ -9540,6 +9541,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x1: /* SQADD, UQADD */
case 0x5: /* SQSUB, UQSUB */
case 0x9: /* SQSHL, UQSHL */
+ case 0xb: /* SQRSHL, UQRSHL */
g_assert_not_reached();
}
@@ -10959,6 +10961,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x08: /* SSHL, USHL */
case 0x09: /* SQSHL, UQSHL */
case 0x0a: /* SRSHL, URSHL */
+ case 0x0b: /* SQRSHL, UQRSHL */
unallocated_encoding(s);
return;
}
@@ -10968,13 +10971,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x0b: /* SQRSHL, UQRSHL */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_uqrshl, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_neon_sqrshl, size);
- }
- return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 21/43] target/arm: Convert ADD, SUB (vector) to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (19 preceding siblings ...)
2024-05-31 12:03 ` [PULL 20/43] target/arm: Convert SQRSHL, UQRSHL to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 22/43] target/arm: Convert CMGT, CMHI, CMGE, CMHS, CMTST, CMEQ " Peter Maydell
` (22 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 6 ++++++
target/arm/tcg/translate-a64.c | 22 +++++++---------------
2 files changed, 13 insertions(+), 15 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 96ce35ad40e..44383b4fc7c 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -765,6 +765,9 @@ UQSHL_s 0111 1110 ..1 ..... 01001 1 ..... ..... @rrr_e
SQRSHL_s 0101 1110 ..1 ..... 01011 1 ..... ..... @rrr_e
UQRSHL_s 0111 1110 ..1 ..... 01011 1 ..... ..... @rrr_e
+ADD_s 0101 1110 111 ..... 10000 1 ..... ..... @rrr_d
+SUB_s 0111 1110 111 ..... 10000 1 ..... ..... @rrr_d
+
### Advanced SIMD scalar pairwise
FADDP_s 0101 1110 0011 0000 1101 10 ..... ..... @rr_h
@@ -895,6 +898,9 @@ UQSHL_v 0.10 1110 ..1 ..... 01001 1 ..... ..... @qrrr_e
SQRSHL_v 0.00 1110 ..1 ..... 01011 1 ..... ..... @qrrr_e
UQRSHL_v 0.10 1110 ..1 ..... 01011 1 ..... ..... @qrrr_e
+ADD_v 0.00 1110 ..1 ..... 10000 1 ..... ..... @qrrr_e
+SUB_v 0.10 1110 ..1 ..... 10000 1 ..... ..... @qrrr_e
+
### Advanced SIMD scalar x indexed element
FMUL_si 0101 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 2424c6d314a..77a64923e7f 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5118,6 +5118,8 @@ TRANS(SSHL_s, do_int3_scalar_d, a, gen_sshl_i64)
TRANS(USHL_s, do_int3_scalar_d, a, gen_ushl_i64)
TRANS(SRSHL_s, do_int3_scalar_d, a, gen_helper_neon_rshl_s64)
TRANS(URSHL_s, do_int3_scalar_d, a, gen_helper_neon_rshl_u64)
+TRANS(ADD_s, do_int3_scalar_d, a, tcg_gen_add_i64)
+TRANS(SUB_s, do_int3_scalar_d, a, tcg_gen_sub_i64)
typedef struct ENVScalar2 {
NeonGenTwoOpEnvFn *gen_bhs[3];
@@ -5432,6 +5434,8 @@ TRANS(UQSHL_v, do_gvec_fn3, a, gen_neon_uqshl)
TRANS(SQRSHL_v, do_gvec_fn3, a, gen_neon_sqrshl)
TRANS(UQRSHL_v, do_gvec_fn3, a, gen_neon_uqrshl)
+TRANS(ADD_v, do_gvec_fn3, a, tcg_gen_gvec_add)
+TRANS(SUB_v, do_gvec_fn3, a, tcg_gen_gvec_sub)
/*
* Advanced SIMD scalar/vector x indexed element
@@ -9444,13 +9448,6 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
}
gen_cmtst_i64(tcg_rd, tcg_rn, tcg_rm);
break;
- case 0x10: /* ADD, SUB */
- if (u) {
- tcg_gen_sub_i64(tcg_rd, tcg_rn, tcg_rm);
- } else {
- tcg_gen_add_i64(tcg_rd, tcg_rn, tcg_rm);
- }
- break;
default:
case 0x1: /* SQADD / UQADD */
case 0x5: /* SQSUB / UQSUB */
@@ -9458,6 +9455,7 @@ static void handle_3same_64(DisasContext *s, int opcode, bool u,
case 0x9: /* SQSHL, UQSHL */
case 0xa: /* SRSHL, URSHL */
case 0xb: /* SQRSHL, UQRSHL */
+ case 0x10: /* ADD, SUB */
g_assert_not_reached();
}
}
@@ -9482,7 +9480,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x6: /* CMGT, CMHI */
case 0x7: /* CMGE, CMHS */
case 0x11: /* CMTST, CMEQ */
- case 0x10: /* ADD, SUB (vector) */
if (size != 3) {
unallocated_encoding(s);
return;
@@ -9501,6 +9498,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
case 0x9: /* SQSHL, UQSHL */
case 0xa: /* SRSHL, URSHL */
case 0xb: /* SQRSHL, UQRSHL */
+ case 0x10: /* ADD, SUB (vector) */
unallocated_encoding(s);
return;
}
@@ -10962,6 +10960,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x09: /* SQSHL, UQSHL */
case 0x0a: /* SRSHL, URSHL */
case 0x0b: /* SQRSHL, UQRSHL */
+ case 0x10: /* ADD, SUB */
unallocated_encoding(s);
return;
}
@@ -10999,13 +10998,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_saba, size);
}
return;
- case 0x10: /* ADD, SUB */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_sub, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_add, size);
- }
- return;
case 0x13: /* MUL, PMUL */
if (!u) { /* MUL */
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_mul, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 22/43] target/arm: Convert CMGT, CMHI, CMGE, CMHS, CMTST, CMEQ to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (20 preceding siblings ...)
2024-05-31 12:03 ` [PULL 21/43] target/arm: Convert ADD, SUB (vector) " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 23/43] target/arm: Use TCG_COND_TSTNE in gen_cmtst_{i32, i64} Peter Maydell
` (21 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-18-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 12 +++
target/arm/tcg/translate-a64.c | 132 ++++++++++++---------------------
2 files changed, 60 insertions(+), 84 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 44383b4fc7c..3061e262424 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -767,6 +767,12 @@ UQRSHL_s 0111 1110 ..1 ..... 01011 1 ..... ..... @rrr_e
ADD_s 0101 1110 111 ..... 10000 1 ..... ..... @rrr_d
SUB_s 0111 1110 111 ..... 10000 1 ..... ..... @rrr_d
+CMGT_s 0101 1110 111 ..... 00110 1 ..... ..... @rrr_d
+CMHI_s 0111 1110 111 ..... 00110 1 ..... ..... @rrr_d
+CMGE_s 0101 1110 111 ..... 00111 1 ..... ..... @rrr_d
+CMHS_s 0111 1110 111 ..... 00111 1 ..... ..... @rrr_d
+CMTST_s 0101 1110 111 ..... 10001 1 ..... ..... @rrr_d
+CMEQ_s 0111 1110 111 ..... 10001 1 ..... ..... @rrr_d
### Advanced SIMD scalar pairwise
@@ -900,6 +906,12 @@ UQRSHL_v 0.10 1110 ..1 ..... 01011 1 ..... ..... @qrrr_e
ADD_v 0.00 1110 ..1 ..... 10000 1 ..... ..... @qrrr_e
SUB_v 0.10 1110 ..1 ..... 10000 1 ..... ..... @qrrr_e
+CMGT_v 0.00 1110 ..1 ..... 00110 1 ..... ..... @qrrr_e
+CMHI_v 0.10 1110 ..1 ..... 00110 1 ..... ..... @qrrr_e
+CMGE_v 0.00 1110 ..1 ..... 00111 1 ..... ..... @qrrr_e
+CMHS_v 0.10 1110 ..1 ..... 00111 1 ..... ..... @qrrr_e
+CMTST_v 0.00 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
+CMEQ_v 0.10 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 77a64923e7f..3c6cfc29525 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5180,6 +5180,24 @@ static const ENVScalar2 f_scalar_uqrshl = {
};
TRANS(UQRSHL_s, do_env_scalar2, a, &f_scalar_uqrshl)
+static bool do_cmop_d(DisasContext *s, arg_rrr_e *a, TCGCond cond)
+{
+ if (fp_access_check(s)) {
+ TCGv_i64 t0 = read_fp_dreg(s, a->rn);
+ TCGv_i64 t1 = read_fp_dreg(s, a->rm);
+ tcg_gen_negsetcond_i64(cond, t0, t0, t1);
+ write_fp_dreg(s, a->rd, t0);
+ }
+ return true;
+}
+
+TRANS(CMGT_s, do_cmop_d, a, TCG_COND_GT)
+TRANS(CMHI_s, do_cmop_d, a, TCG_COND_GTU)
+TRANS(CMGE_s, do_cmop_d, a, TCG_COND_GE)
+TRANS(CMHS_s, do_cmop_d, a, TCG_COND_GEU)
+TRANS(CMEQ_s, do_cmop_d, a, TCG_COND_EQ)
+TRANS(CMTST_s, do_cmop_d, a, TCG_COND_TSTNE)
+
static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a,
gen_helper_gvec_3_ptr * const fns[3])
{
@@ -5437,6 +5455,28 @@ TRANS(UQRSHL_v, do_gvec_fn3, a, gen_neon_uqrshl)
TRANS(ADD_v, do_gvec_fn3, a, tcg_gen_gvec_add)
TRANS(SUB_v, do_gvec_fn3, a, tcg_gen_gvec_sub)
+static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
+{
+ if (a->esz == MO_64 && !a->q) {
+ return false;
+ }
+ if (fp_access_check(s)) {
+ tcg_gen_gvec_cmp(cond, a->esz,
+ vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ vec_full_reg_offset(s, a->rm),
+ a->q ? 16 : 8, vec_full_reg_size(s));
+ }
+ return true;
+}
+
+TRANS(CMGT_v, do_cmop_v, a, TCG_COND_GT)
+TRANS(CMHI_v, do_cmop_v, a, TCG_COND_GTU)
+TRANS(CMGE_v, do_cmop_v, a, TCG_COND_GE)
+TRANS(CMHS_v, do_cmop_v, a, TCG_COND_GEU)
+TRANS(CMEQ_v, do_cmop_v, a, TCG_COND_EQ)
+TRANS(CMTST_v, do_gvec_fn3, a, gen_gvec_cmtst)
+
/*
* Advanced SIMD scalar/vector x indexed element
*/
@@ -9421,45 +9461,6 @@ static void disas_simd_scalar_three_reg_diff(DisasContext *s, uint32_t insn)
}
}
-static void handle_3same_64(DisasContext *s, int opcode, bool u,
- TCGv_i64 tcg_rd, TCGv_i64 tcg_rn, TCGv_i64 tcg_rm)
-{
- /* Handle 64x64->64 opcodes which are shared between the scalar
- * and vector 3-same groups. We cover every opcode where size == 3
- * is valid in either the three-reg-same (integer, not pairwise)
- * or scalar-three-reg-same groups.
- */
- TCGCond cond;
-
- switch (opcode) {
- case 0x6: /* CMGT, CMHI */
- cond = u ? TCG_COND_GTU : TCG_COND_GT;
- do_cmop:
- /* 64 bit integer comparison, result = test ? -1 : 0. */
- tcg_gen_negsetcond_i64(cond, tcg_rd, tcg_rn, tcg_rm);
- break;
- case 0x7: /* CMGE, CMHS */
- cond = u ? TCG_COND_GEU : TCG_COND_GE;
- goto do_cmop;
- case 0x11: /* CMTST, CMEQ */
- if (u) {
- cond = TCG_COND_EQ;
- goto do_cmop;
- }
- gen_cmtst_i64(tcg_rd, tcg_rn, tcg_rm);
- break;
- default:
- case 0x1: /* SQADD / UQADD */
- case 0x5: /* SQSUB / UQSUB */
- case 0x8: /* SSHL, USHL */
- case 0x9: /* SQSHL, UQSHL */
- case 0xa: /* SRSHL, URSHL */
- case 0xb: /* SQRSHL, UQRSHL */
- case 0x10: /* ADD, SUB */
- g_assert_not_reached();
- }
-}
-
/* AdvSIMD scalar three same
* 31 30 29 28 24 23 22 21 20 16 15 11 10 9 5 4 0
* +-----+---+-----------+------+---+------+--------+---+------+------+
@@ -9477,14 +9478,6 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
TCGv_i64 tcg_rd;
switch (opcode) {
- case 0x6: /* CMGT, CMHI */
- case 0x7: /* CMGE, CMHS */
- case 0x11: /* CMTST, CMEQ */
- if (size != 3) {
- unallocated_encoding(s);
- return;
- }
- break;
case 0x16: /* SQDMULH, SQRDMULH (vector) */
if (size != 1 && size != 2) {
unallocated_encoding(s);
@@ -9494,11 +9487,14 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
default:
case 0x1: /* SQADD, UQADD */
case 0x5: /* SQSUB, UQSUB */
+ case 0x6: /* CMGT, CMHI */
+ case 0x7: /* CMGE, CMHS */
case 0x8: /* SSHL, USHL */
case 0x9: /* SQSHL, UQSHL */
case 0xa: /* SRSHL, URSHL */
case 0xb: /* SQRSHL, UQRSHL */
case 0x10: /* ADD, SUB (vector) */
+ case 0x11: /* CMTST, CMEQ */
unallocated_encoding(s);
return;
}
@@ -9510,10 +9506,7 @@ static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
tcg_rd = tcg_temp_new_i64();
if (size == 3) {
- TCGv_i64 tcg_rn = read_fp_dreg(s, rn);
- TCGv_i64 tcg_rm = read_fp_dreg(s, rm);
-
- handle_3same_64(s, opcode, u, tcg_rd, tcg_rn, tcg_rm);
+ g_assert_not_reached();
} else {
/* Do a single operation on the lowest element in the vector.
* We use the standard Neon helpers and rely on 0 OP 0 == 0 with
@@ -10919,7 +10912,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
int rn = extract32(insn, 5, 5);
int rd = extract32(insn, 0, 5);
int pass;
- TCGCond cond;
switch (opcode) {
case 0x13: /* MUL, PMUL */
@@ -10956,11 +10948,14 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x01: /* SQADD, UQADD */
case 0x05: /* SQSUB, UQSUB */
+ case 0x06: /* CMGT, CMHI */
+ case 0x07: /* CMGE, CMHS */
case 0x08: /* SSHL, USHL */
case 0x09: /* SQSHL, UQSHL */
case 0x0a: /* SRSHL, URSHL */
case 0x0b: /* SQRSHL, UQRSHL */
case 0x10: /* ADD, SUB */
+ case 0x11: /* CMTST, CMEQ */
unallocated_encoding(s);
return;
}
@@ -11021,41 +11016,10 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
gen_gvec_op3_qc(s, is_q, rd, rn, rm, fns[size - 1][u]);
}
return;
- case 0x11:
- if (!u) { /* CMTST */
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_cmtst, size);
- return;
- }
- /* else CMEQ */
- cond = TCG_COND_EQ;
- goto do_gvec_cmp;
- case 0x06: /* CMGT, CMHI */
- cond = u ? TCG_COND_GTU : TCG_COND_GT;
- goto do_gvec_cmp;
- case 0x07: /* CMGE, CMHS */
- cond = u ? TCG_COND_GEU : TCG_COND_GE;
- do_gvec_cmp:
- tcg_gen_gvec_cmp(cond, size, vec_full_reg_offset(s, rd),
- vec_full_reg_offset(s, rn),
- vec_full_reg_offset(s, rm),
- is_q ? 16 : 8, vec_full_reg_size(s));
- return;
}
if (size == 3) {
- assert(is_q);
- for (pass = 0; pass < 2; pass++) {
- TCGv_i64 tcg_op1 = tcg_temp_new_i64();
- TCGv_i64 tcg_op2 = tcg_temp_new_i64();
- TCGv_i64 tcg_res = tcg_temp_new_i64();
-
- read_vec_element(s, tcg_op1, rn, pass, MO_64);
- read_vec_element(s, tcg_op2, rm, pass, MO_64);
-
- handle_3same_64(s, opcode, u, tcg_res, tcg_op1, tcg_op2);
-
- write_vec_element(s, tcg_res, rd, pass, MO_64);
- }
+ g_assert_not_reached();
} else {
for (pass = 0; pass < (is_q ? 4 : 2); pass++) {
TCGv_i32 tcg_op1 = tcg_temp_new_i32();
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 23/43] target/arm: Use TCG_COND_TSTNE in gen_cmtst_{i32, i64}
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (21 preceding siblings ...)
2024-05-31 12:03 ` [PULL 22/43] target/arm: Convert CMGT, CMHI, CMGE, CMHS, CMTST, CMEQ " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 24/43] target/arm: Use TCG_COND_TSTNE in gen_cmtst_vec Peter Maydell
` (20 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/gengvec.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 6dc96269d5e..e64ca02e0c1 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -934,14 +934,12 @@ void gen_gvec_mls(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
/* CMTST : test is "if (X & Y != 0)". */
static void gen_cmtst_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
- tcg_gen_and_i32(d, a, b);
- tcg_gen_negsetcond_i32(TCG_COND_NE, d, d, tcg_constant_i32(0));
+ tcg_gen_negsetcond_i32(TCG_COND_TSTNE, d, a, b);
}
void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
{
- tcg_gen_and_i64(d, a, b);
- tcg_gen_negsetcond_i64(TCG_COND_NE, d, d, tcg_constant_i64(0));
+ tcg_gen_negsetcond_i64(TCG_COND_TSTNE, d, a, b);
}
static void gen_cmtst_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 24/43] target/arm: Use TCG_COND_TSTNE in gen_cmtst_vec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (22 preceding siblings ...)
2024-05-31 12:03 ` [PULL 23/43] target/arm: Use TCG_COND_TSTNE in gen_cmtst_{i32, i64} Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 25/43] target/arm: Convert SHADD, UHADD to gvec Peter Maydell
` (19 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/gengvec.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index e64ca02e0c1..2451d23823f 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -944,9 +944,7 @@ void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
static void gen_cmtst_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
{
- tcg_gen_and_vec(vece, d, a, b);
- tcg_gen_dupi_vec(vece, a, 0);
- tcg_gen_cmp_vec(TCG_COND_NE, vece, d, d, a);
+ tcg_gen_cmp_vec(TCG_COND_TSTNE, vece, d, a, b);
}
void gen_gvec_cmtst(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 25/43] target/arm: Convert SHADD, UHADD to gvec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (23 preceding siblings ...)
2024-05-31 12:03 ` [PULL 24/43] target/arm: Use TCG_COND_TSTNE in gen_cmtst_vec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 26/43] target/arm: Convert SHADD, UHADD to decodetree Peter Maydell
` (18 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 6 --
target/arm/tcg/translate.h | 5 ++
target/arm/tcg/gengvec.c | 144 ++++++++++++++++++++++++++++++++
target/arm/tcg/neon_helper.c | 27 ------
target/arm/tcg/translate-a64.c | 17 ++--
target/arm/tcg/translate-neon.c | 4 +-
6 files changed, 158 insertions(+), 45 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index 9a89c9cea74..b26bfcb079c 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -268,12 +268,6 @@ DEF_HELPER_FLAGS_2(fjcvtzs, TCG_CALL_NO_RWG, i64, f64, ptr)
DEF_HELPER_FLAGS_3(check_hcr_el2_trap, TCG_CALL_NO_WG, void, env, i32, i32)
/* neon_helper.c */
-DEF_HELPER_2(neon_hadd_s8, i32, i32, i32)
-DEF_HELPER_2(neon_hadd_u8, i32, i32, i32)
-DEF_HELPER_2(neon_hadd_s16, i32, i32, i32)
-DEF_HELPER_2(neon_hadd_u16, i32, i32, i32)
-DEF_HELPER_2(neon_hadd_s32, s32, s32, s32)
-DEF_HELPER_2(neon_hadd_u32, i32, i32, i32)
DEF_HELPER_2(neon_rhadd_s8, i32, i32, i32)
DEF_HELPER_2(neon_rhadd_u8, i32, i32, i32)
DEF_HELPER_2(neon_rhadd_s16, i32, i32, i32)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index 048cb45ebe9..dd99d76bf24 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -472,6 +472,11 @@ void gen_neon_sqrshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
void gen_neon_uqrshl(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_shadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_uhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+
void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
void gen_ushl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
void gen_sshl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 2451d23823f..c0627a787bb 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -1861,3 +1861,147 @@ void gen_gvec_uminp(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
tcg_debug_assert(vece <= MO_32);
tcg_gen_gvec_3_ool(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, 0, fns[vece]);
}
+
+static void gen_shadd8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_and_i64(t, a, b);
+ tcg_gen_vec_sar8i_i64(a, a, 1);
+ tcg_gen_vec_sar8i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_8, 1));
+ tcg_gen_vec_add8_i64(d, a, b);
+ tcg_gen_vec_add8_i64(d, d, t);
+}
+
+static void gen_shadd16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_and_i64(t, a, b);
+ tcg_gen_vec_sar16i_i64(a, a, 1);
+ tcg_gen_vec_sar16i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_16, 1));
+ tcg_gen_vec_add16_i64(d, a, b);
+ tcg_gen_vec_add16_i64(d, d, t);
+}
+
+static void gen_shadd_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
+{
+ TCGv_i32 t = tcg_temp_new_i32();
+
+ tcg_gen_and_i32(t, a, b);
+ tcg_gen_sari_i32(a, a, 1);
+ tcg_gen_sari_i32(b, b, 1);
+ tcg_gen_andi_i32(t, t, 1);
+ tcg_gen_add_i32(d, a, b);
+ tcg_gen_add_i32(d, d, t);
+}
+
+static void gen_shadd_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec t = tcg_temp_new_vec_matching(d);
+
+ tcg_gen_and_vec(vece, t, a, b);
+ tcg_gen_sari_vec(vece, a, a, 1);
+ tcg_gen_sari_vec(vece, b, b, 1);
+ tcg_gen_and_vec(vece, t, t, tcg_constant_vec_matching(d, vece, 1));
+ tcg_gen_add_vec(vece, d, a, b);
+ tcg_gen_add_vec(vece, d, d, t);
+}
+
+void gen_gvec_shadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_sari_vec, INDEX_op_add_vec, 0
+ };
+ static const GVecGen3 g[] = {
+ { .fni8 = gen_shadd8_i64,
+ .fniv = gen_shadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_8 },
+ { .fni8 = gen_shadd16_i64,
+ .fniv = gen_shadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_16 },
+ { .fni4 = gen_shadd_i32,
+ .fniv = gen_shadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_32 },
+ };
+ tcg_debug_assert(vece <= MO_32);
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
+}
+
+static void gen_uhadd8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_and_i64(t, a, b);
+ tcg_gen_vec_shr8i_i64(a, a, 1);
+ tcg_gen_vec_shr8i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_8, 1));
+ tcg_gen_vec_add8_i64(d, a, b);
+ tcg_gen_vec_add8_i64(d, d, t);
+}
+
+static void gen_uhadd16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_and_i64(t, a, b);
+ tcg_gen_vec_shr16i_i64(a, a, 1);
+ tcg_gen_vec_shr16i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_16, 1));
+ tcg_gen_vec_add16_i64(d, a, b);
+ tcg_gen_vec_add16_i64(d, d, t);
+}
+
+static void gen_uhadd_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
+{
+ TCGv_i32 t = tcg_temp_new_i32();
+
+ tcg_gen_and_i32(t, a, b);
+ tcg_gen_shri_i32(a, a, 1);
+ tcg_gen_shri_i32(b, b, 1);
+ tcg_gen_andi_i32(t, t, 1);
+ tcg_gen_add_i32(d, a, b);
+ tcg_gen_add_i32(d, d, t);
+}
+
+static void gen_uhadd_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec t = tcg_temp_new_vec_matching(d);
+
+ tcg_gen_and_vec(vece, t, a, b);
+ tcg_gen_shri_vec(vece, a, a, 1);
+ tcg_gen_shri_vec(vece, b, b, 1);
+ tcg_gen_and_vec(vece, t, t, tcg_constant_vec_matching(d, vece, 1));
+ tcg_gen_add_vec(vece, d, a, b);
+ tcg_gen_add_vec(vece, d, d, t);
+}
+
+void gen_gvec_uhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_shri_vec, INDEX_op_add_vec, 0
+ };
+ static const GVecGen3 g[] = {
+ { .fni8 = gen_uhadd8_i64,
+ .fniv = gen_uhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_8 },
+ { .fni8 = gen_uhadd16_i64,
+ .fniv = gen_uhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_16 },
+ { .fni4 = gen_uhadd_i32,
+ .fniv = gen_uhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_32 },
+ };
+ tcg_debug_assert(vece <= MO_32);
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
+}
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index b29a7c725f6..defd28a6f71 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -179,33 +179,6 @@ uint32_t HELPER(glue(neon_,name))(uint32_t arg) \
return arg; \
}
-#define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1
-NEON_VOP(hadd_s8, neon_s8, 4)
-NEON_VOP(hadd_u8, neon_u8, 4)
-NEON_VOP(hadd_s16, neon_s16, 2)
-NEON_VOP(hadd_u16, neon_u16, 2)
-#undef NEON_FN
-
-int32_t HELPER(neon_hadd_s32)(int32_t src1, int32_t src2)
-{
- int32_t dest;
-
- dest = (src1 >> 1) + (src2 >> 1);
- if (src1 & src2 & 1)
- dest++;
- return dest;
-}
-
-uint32_t HELPER(neon_hadd_u32)(uint32_t src1, uint32_t src2)
-{
- uint32_t dest;
-
- dest = (src1 >> 1) + (src2 >> 1);
- if (src1 & src2 & 1)
- dest++;
- return dest;
-}
-
#define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1
NEON_VOP(rhadd_s8, neon_s8, 4)
NEON_VOP(rhadd_u8, neon_u8, 4)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 3c6cfc29525..5f3423513d5 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -10965,6 +10965,13 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
+ case 0x00: /* SHADD, UHADD */
+ if (u) {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uhadd, size);
+ } else {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_shadd, size);
+ }
+ return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
@@ -11032,16 +11039,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
read_vec_element_i32(s, tcg_op2, rm, pass, MO_32);
switch (opcode) {
- case 0x0: /* SHADD, UHADD */
- {
- static NeonGenTwoOpFn * const fns[3][2] = {
- { gen_helper_neon_hadd_s8, gen_helper_neon_hadd_u8 },
- { gen_helper_neon_hadd_s16, gen_helper_neon_hadd_u16 },
- { gen_helper_neon_hadd_s32, gen_helper_neon_hadd_u32 },
- };
- genfn = fns[size][u];
- break;
- }
case 0x2: /* SRHADD, URHADD */
{
static NeonGenTwoOpFn * const fns[3][2] = {
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index 5f1576393e2..29e5c4a0a39 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -841,6 +841,8 @@ DO_3SAME_NO_SZ_3(VPMAX_S, gen_gvec_smaxp)
DO_3SAME_NO_SZ_3(VPMIN_S, gen_gvec_sminp)
DO_3SAME_NO_SZ_3(VPMAX_U, gen_gvec_umaxp)
DO_3SAME_NO_SZ_3(VPMIN_U, gen_gvec_uminp)
+DO_3SAME_NO_SZ_3(VHADD_S, gen_gvec_shadd)
+DO_3SAME_NO_SZ_3(VHADD_U, gen_gvec_uhadd)
#define DO_3SAME_CMP(INSN, COND) \
static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
@@ -951,8 +953,6 @@ DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
FUNC(d, tcg_env, n, m); \
}
-DO_3SAME_32(VHADD_S, hadd_s)
-DO_3SAME_32(VHADD_U, hadd_u)
DO_3SAME_32(VHSUB_S, hsub_s)
DO_3SAME_32(VHSUB_U, hsub_u)
DO_3SAME_32(VRHADD_S, rhadd_s)
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 26/43] target/arm: Convert SHADD, UHADD to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (24 preceding siblings ...)
2024-05-31 12:03 ` [PULL 25/43] target/arm: Convert SHADD, UHADD to gvec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 27/43] target/arm: Convert SHSUB, UHSUB to gvec Peter Maydell
` (17 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-22-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 2 ++
target/arm/tcg/translate-a64.c | 11 +++--------
2 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 3061e262424..e33d91fd0a4 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -912,6 +912,8 @@ CMGE_v 0.00 1110 ..1 ..... 00111 1 ..... ..... @qrrr_e
CMHS_v 0.10 1110 ..1 ..... 00111 1 ..... ..... @qrrr_e
CMTST_v 0.00 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
CMEQ_v 0.10 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
+SHADD_v 0.00 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
+UHADD_v 0.10 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 5f3423513d5..00c04425c1e 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5454,6 +5454,8 @@ TRANS(UQRSHL_v, do_gvec_fn3, a, gen_neon_uqrshl)
TRANS(ADD_v, do_gvec_fn3, a, tcg_gen_gvec_add)
TRANS(SUB_v, do_gvec_fn3, a, tcg_gen_gvec_sub)
+TRANS(SHADD_v, do_gvec_fn3_no64, a, gen_gvec_shadd)
+TRANS(UHADD_v, do_gvec_fn3_no64, a, gen_gvec_uhadd)
static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
{
@@ -10920,7 +10922,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
return;
}
/* fall through */
- case 0x0: /* SHADD, UHADD */
case 0x2: /* SRHADD, URHADD */
case 0x4: /* SHSUB, UHSUB */
case 0xc: /* SMAX, UMAX */
@@ -10946,6 +10947,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
break;
+ case 0x0: /* SHADD, UHADD */
case 0x01: /* SQADD, UQADD */
case 0x05: /* SQSUB, UQSUB */
case 0x06: /* CMGT, CMHI */
@@ -10965,13 +10967,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x00: /* SHADD, UHADD */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uhadd, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_shadd, size);
- }
- return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 27/43] target/arm: Convert SHSUB, UHSUB to gvec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (25 preceding siblings ...)
2024-05-31 12:03 ` [PULL 26/43] target/arm: Convert SHADD, UHADD to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 28/43] target/arm: Convert SHSUB, UHSUB to decodetree Peter Maydell
` (16 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-23-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 6 --
target/arm/tcg/translate.h | 4 +
target/arm/tcg/gengvec.c | 144 ++++++++++++++++++++++++++++++++
target/arm/tcg/neon_helper.c | 27 ------
target/arm/tcg/translate-a64.c | 17 ++--
target/arm/tcg/translate-neon.c | 4 +-
6 files changed, 157 insertions(+), 45 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index b26bfcb079c..b95f24ed0aa 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -274,12 +274,6 @@ DEF_HELPER_2(neon_rhadd_s16, i32, i32, i32)
DEF_HELPER_2(neon_rhadd_u16, i32, i32, i32)
DEF_HELPER_2(neon_rhadd_s32, s32, s32, s32)
DEF_HELPER_2(neon_rhadd_u32, i32, i32, i32)
-DEF_HELPER_2(neon_hsub_s8, i32, i32, i32)
-DEF_HELPER_2(neon_hsub_u8, i32, i32, i32)
-DEF_HELPER_2(neon_hsub_s16, i32, i32, i32)
-DEF_HELPER_2(neon_hsub_u16, i32, i32, i32)
-DEF_HELPER_2(neon_hsub_s32, s32, s32, s32)
-DEF_HELPER_2(neon_hsub_u32, i32, i32, i32)
DEF_HELPER_2(neon_pmin_u8, i32, i32, i32)
DEF_HELPER_2(neon_pmin_s8, i32, i32, i32)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index dd99d76bf24..315e0afd043 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -476,6 +476,10 @@ void gen_gvec_shadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_gvec_uhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_shsub(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_uhsub(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
void gen_ushl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index c0627a787bb..c46365c3a6f 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -2005,3 +2005,147 @@ void gen_gvec_uhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
tcg_debug_assert(vece <= MO_32);
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
}
+
+static void gen_shsub8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_andc_i64(t, b, a);
+ tcg_gen_vec_sar8i_i64(a, a, 1);
+ tcg_gen_vec_sar8i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_8, 1));
+ tcg_gen_vec_sub8_i64(d, a, b);
+ tcg_gen_vec_sub8_i64(d, d, t);
+}
+
+static void gen_shsub16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_andc_i64(t, b, a);
+ tcg_gen_vec_sar16i_i64(a, a, 1);
+ tcg_gen_vec_sar16i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_16, 1));
+ tcg_gen_vec_sub16_i64(d, a, b);
+ tcg_gen_vec_sub16_i64(d, d, t);
+}
+
+static void gen_shsub_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
+{
+ TCGv_i32 t = tcg_temp_new_i32();
+
+ tcg_gen_andc_i32(t, b, a);
+ tcg_gen_sari_i32(a, a, 1);
+ tcg_gen_sari_i32(b, b, 1);
+ tcg_gen_andi_i32(t, t, 1);
+ tcg_gen_sub_i32(d, a, b);
+ tcg_gen_sub_i32(d, d, t);
+}
+
+static void gen_shsub_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec t = tcg_temp_new_vec_matching(d);
+
+ tcg_gen_andc_vec(vece, t, b, a);
+ tcg_gen_sari_vec(vece, a, a, 1);
+ tcg_gen_sari_vec(vece, b, b, 1);
+ tcg_gen_and_vec(vece, t, t, tcg_constant_vec_matching(d, vece, 1));
+ tcg_gen_sub_vec(vece, d, a, b);
+ tcg_gen_sub_vec(vece, d, d, t);
+}
+
+void gen_gvec_shsub(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_sari_vec, INDEX_op_sub_vec, 0
+ };
+ static const GVecGen3 g[4] = {
+ { .fni8 = gen_shsub8_i64,
+ .fniv = gen_shsub_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_8 },
+ { .fni8 = gen_shsub16_i64,
+ .fniv = gen_shsub_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_16 },
+ { .fni4 = gen_shsub_i32,
+ .fniv = gen_shsub_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_32 },
+ };
+ assert(vece <= MO_32);
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
+}
+
+static void gen_uhsub8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_andc_i64(t, b, a);
+ tcg_gen_vec_shr8i_i64(a, a, 1);
+ tcg_gen_vec_shr8i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_8, 1));
+ tcg_gen_vec_sub8_i64(d, a, b);
+ tcg_gen_vec_sub8_i64(d, d, t);
+}
+
+static void gen_uhsub16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_andc_i64(t, b, a);
+ tcg_gen_vec_shr16i_i64(a, a, 1);
+ tcg_gen_vec_shr16i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_16, 1));
+ tcg_gen_vec_sub16_i64(d, a, b);
+ tcg_gen_vec_sub16_i64(d, d, t);
+}
+
+static void gen_uhsub_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
+{
+ TCGv_i32 t = tcg_temp_new_i32();
+
+ tcg_gen_andc_i32(t, b, a);
+ tcg_gen_shri_i32(a, a, 1);
+ tcg_gen_shri_i32(b, b, 1);
+ tcg_gen_andi_i32(t, t, 1);
+ tcg_gen_sub_i32(d, a, b);
+ tcg_gen_sub_i32(d, d, t);
+}
+
+static void gen_uhsub_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec t = tcg_temp_new_vec_matching(d);
+
+ tcg_gen_andc_vec(vece, t, b, a);
+ tcg_gen_shri_vec(vece, a, a, 1);
+ tcg_gen_shri_vec(vece, b, b, 1);
+ tcg_gen_and_vec(vece, t, t, tcg_constant_vec_matching(d, vece, 1));
+ tcg_gen_sub_vec(vece, d, a, b);
+ tcg_gen_sub_vec(vece, d, d, t);
+}
+
+void gen_gvec_uhsub(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_shri_vec, INDEX_op_sub_vec, 0
+ };
+ static const GVecGen3 g[4] = {
+ { .fni8 = gen_uhsub8_i64,
+ .fniv = gen_uhsub_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_8 },
+ { .fni8 = gen_uhsub16_i64,
+ .fniv = gen_uhsub_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_16 },
+ { .fni4 = gen_uhsub_i32,
+ .fniv = gen_uhsub_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_32 },
+ };
+ assert(vece <= MO_32);
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
+}
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index defd28a6f71..d1641a5252c 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -206,33 +206,6 @@ uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2)
return dest;
}
-#define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1
-NEON_VOP(hsub_s8, neon_s8, 4)
-NEON_VOP(hsub_u8, neon_u8, 4)
-NEON_VOP(hsub_s16, neon_s16, 2)
-NEON_VOP(hsub_u16, neon_u16, 2)
-#undef NEON_FN
-
-int32_t HELPER(neon_hsub_s32)(int32_t src1, int32_t src2)
-{
- int32_t dest;
-
- dest = (src1 >> 1) - (src2 >> 1);
- if ((~src1) & src2 & 1)
- dest--;
- return dest;
-}
-
-uint32_t HELPER(neon_hsub_u32)(uint32_t src1, uint32_t src2)
-{
- uint32_t dest;
-
- dest = (src1 >> 1) - (src2 >> 1);
- if ((~src1) & src2 & 1)
- dest--;
- return dest;
-}
-
#define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2
NEON_POP(pmin_s8, neon_s8, 4)
NEON_POP(pmin_u8, neon_u8, 4)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 00c04425c1e..63f7a59f949 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -10967,6 +10967,13 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
+ case 0x04: /* SHSUB, UHSUB */
+ if (u) {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uhsub, size);
+ } else {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_shsub, size);
+ }
+ return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
@@ -11044,16 +11051,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
genfn = fns[size][u];
break;
}
- case 0x4: /* SHSUB, UHSUB */
- {
- static NeonGenTwoOpFn * const fns[3][2] = {
- { gen_helper_neon_hsub_s8, gen_helper_neon_hsub_u8 },
- { gen_helper_neon_hsub_s16, gen_helper_neon_hsub_u16 },
- { gen_helper_neon_hsub_s32, gen_helper_neon_hsub_u32 },
- };
- genfn = fns[size][u];
- break;
- }
default:
g_assert_not_reached();
}
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index 29e5c4a0a39..d59d5804c55 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -843,6 +843,8 @@ DO_3SAME_NO_SZ_3(VPMAX_U, gen_gvec_umaxp)
DO_3SAME_NO_SZ_3(VPMIN_U, gen_gvec_uminp)
DO_3SAME_NO_SZ_3(VHADD_S, gen_gvec_shadd)
DO_3SAME_NO_SZ_3(VHADD_U, gen_gvec_uhadd)
+DO_3SAME_NO_SZ_3(VHSUB_S, gen_gvec_shsub)
+DO_3SAME_NO_SZ_3(VHSUB_U, gen_gvec_uhsub)
#define DO_3SAME_CMP(INSN, COND) \
static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
@@ -953,8 +955,6 @@ DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
FUNC(d, tcg_env, n, m); \
}
-DO_3SAME_32(VHSUB_S, hsub_s)
-DO_3SAME_32(VHSUB_U, hsub_u)
DO_3SAME_32(VRHADD_S, rhadd_s)
DO_3SAME_32(VRHADD_U, rhadd_u)
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 28/43] target/arm: Convert SHSUB, UHSUB to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (26 preceding siblings ...)
2024-05-31 12:03 ` [PULL 27/43] target/arm: Convert SHSUB, UHSUB to gvec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 29/43] target/arm: Convert SRHADD, URHADD to gvec Peter Maydell
` (15 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-24-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 2 ++
target/arm/tcg/translate-a64.c | 11 +++--------
2 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index e33d91fd0a4..b1bbcb144eb 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -914,6 +914,8 @@ CMTST_v 0.00 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
CMEQ_v 0.10 1110 ..1 ..... 10001 1 ..... ..... @qrrr_e
SHADD_v 0.00 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
UHADD_v 0.10 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
+SHSUB_v 0.00 1110 ..1 ..... 00100 1 ..... ..... @qrrr_e
+UHSUB_v 0.10 1110 ..1 ..... 00100 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 63f7a59f949..6571b999f49 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5456,6 +5456,8 @@ TRANS(ADD_v, do_gvec_fn3, a, tcg_gen_gvec_add)
TRANS(SUB_v, do_gvec_fn3, a, tcg_gen_gvec_sub)
TRANS(SHADD_v, do_gvec_fn3_no64, a, gen_gvec_shadd)
TRANS(UHADD_v, do_gvec_fn3_no64, a, gen_gvec_uhadd)
+TRANS(SHSUB_v, do_gvec_fn3_no64, a, gen_gvec_shsub)
+TRANS(UHSUB_v, do_gvec_fn3_no64, a, gen_gvec_uhsub)
static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
{
@@ -10923,7 +10925,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
/* fall through */
case 0x2: /* SRHADD, URHADD */
- case 0x4: /* SHSUB, UHSUB */
case 0xc: /* SMAX, UMAX */
case 0xd: /* SMIN, UMIN */
case 0xe: /* SABD, UABD */
@@ -10949,6 +10950,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x0: /* SHADD, UHADD */
case 0x01: /* SQADD, UQADD */
+ case 0x04: /* SHSUB, UHSUB */
case 0x05: /* SQSUB, UQSUB */
case 0x06: /* CMGT, CMHI */
case 0x07: /* CMGE, CMHS */
@@ -10967,13 +10969,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x04: /* SHSUB, UHSUB */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uhsub, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_shsub, size);
- }
- return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 29/43] target/arm: Convert SRHADD, URHADD to gvec
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (27 preceding siblings ...)
2024-05-31 12:03 ` [PULL 28/43] target/arm: Convert SHSUB, UHSUB to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 30/43] target/arm: Convert SRHADD, URHADD to decodetree Peter Maydell
` (14 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-25-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 7 --
target/arm/tcg/translate.h | 4 +
target/arm/tcg/gengvec.c | 144 ++++++++++++++++++++++++++++++++
target/arm/tcg/neon_helper.c | 27 ------
target/arm/tcg/translate-a64.c | 48 ++---------
target/arm/tcg/translate-neon.c | 26 +-----
6 files changed, 158 insertions(+), 98 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index b95f24ed0aa..85f93025636 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -268,13 +268,6 @@ DEF_HELPER_FLAGS_2(fjcvtzs, TCG_CALL_NO_RWG, i64, f64, ptr)
DEF_HELPER_FLAGS_3(check_hcr_el2_trap, TCG_CALL_NO_WG, void, env, i32, i32)
/* neon_helper.c */
-DEF_HELPER_2(neon_rhadd_s8, i32, i32, i32)
-DEF_HELPER_2(neon_rhadd_u8, i32, i32, i32)
-DEF_HELPER_2(neon_rhadd_s16, i32, i32, i32)
-DEF_HELPER_2(neon_rhadd_u16, i32, i32, i32)
-DEF_HELPER_2(neon_rhadd_s32, s32, s32, s32)
-DEF_HELPER_2(neon_rhadd_u32, i32, i32, i32)
-
DEF_HELPER_2(neon_pmin_u8, i32, i32, i32)
DEF_HELPER_2(neon_pmin_s8, i32, i32, i32)
DEF_HELPER_2(neon_pmin_u16, i32, i32, i32)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index 315e0afd043..3b1e68b7794 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -480,6 +480,10 @@ void gen_gvec_shsub(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_gvec_uhsub(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_srhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_urhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
void gen_ushl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b);
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index c46365c3a6f..119826bf284 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -2149,3 +2149,147 @@ void gen_gvec_uhsub(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
assert(vece <= MO_32);
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
}
+
+static void gen_srhadd8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_or_i64(t, a, b);
+ tcg_gen_vec_sar8i_i64(a, a, 1);
+ tcg_gen_vec_sar8i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_8, 1));
+ tcg_gen_vec_add8_i64(d, a, b);
+ tcg_gen_vec_add8_i64(d, d, t);
+}
+
+static void gen_srhadd16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_or_i64(t, a, b);
+ tcg_gen_vec_sar16i_i64(a, a, 1);
+ tcg_gen_vec_sar16i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_16, 1));
+ tcg_gen_vec_add16_i64(d, a, b);
+ tcg_gen_vec_add16_i64(d, d, t);
+}
+
+static void gen_srhadd_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
+{
+ TCGv_i32 t = tcg_temp_new_i32();
+
+ tcg_gen_or_i32(t, a, b);
+ tcg_gen_sari_i32(a, a, 1);
+ tcg_gen_sari_i32(b, b, 1);
+ tcg_gen_andi_i32(t, t, 1);
+ tcg_gen_add_i32(d, a, b);
+ tcg_gen_add_i32(d, d, t);
+}
+
+static void gen_srhadd_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec t = tcg_temp_new_vec_matching(d);
+
+ tcg_gen_or_vec(vece, t, a, b);
+ tcg_gen_sari_vec(vece, a, a, 1);
+ tcg_gen_sari_vec(vece, b, b, 1);
+ tcg_gen_and_vec(vece, t, t, tcg_constant_vec_matching(d, vece, 1));
+ tcg_gen_add_vec(vece, d, a, b);
+ tcg_gen_add_vec(vece, d, d, t);
+}
+
+void gen_gvec_srhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_sari_vec, INDEX_op_add_vec, 0
+ };
+ static const GVecGen3 g[] = {
+ { .fni8 = gen_srhadd8_i64,
+ .fniv = gen_srhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_8 },
+ { .fni8 = gen_srhadd16_i64,
+ .fniv = gen_srhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_16 },
+ { .fni4 = gen_srhadd_i32,
+ .fniv = gen_srhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_32 },
+ };
+ assert(vece <= MO_32);
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
+}
+
+static void gen_urhadd8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_or_i64(t, a, b);
+ tcg_gen_vec_shr8i_i64(a, a, 1);
+ tcg_gen_vec_shr8i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_8, 1));
+ tcg_gen_vec_add8_i64(d, a, b);
+ tcg_gen_vec_add8_i64(d, d, t);
+}
+
+static void gen_urhadd16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
+{
+ TCGv_i64 t = tcg_temp_new_i64();
+
+ tcg_gen_or_i64(t, a, b);
+ tcg_gen_vec_shr16i_i64(a, a, 1);
+ tcg_gen_vec_shr16i_i64(b, b, 1);
+ tcg_gen_andi_i64(t, t, dup_const(MO_16, 1));
+ tcg_gen_vec_add16_i64(d, a, b);
+ tcg_gen_vec_add16_i64(d, d, t);
+}
+
+static void gen_urhadd_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
+{
+ TCGv_i32 t = tcg_temp_new_i32();
+
+ tcg_gen_or_i32(t, a, b);
+ tcg_gen_shri_i32(a, a, 1);
+ tcg_gen_shri_i32(b, b, 1);
+ tcg_gen_andi_i32(t, t, 1);
+ tcg_gen_add_i32(d, a, b);
+ tcg_gen_add_i32(d, d, t);
+}
+
+static void gen_urhadd_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b)
+{
+ TCGv_vec t = tcg_temp_new_vec_matching(d);
+
+ tcg_gen_or_vec(vece, t, a, b);
+ tcg_gen_shri_vec(vece, a, a, 1);
+ tcg_gen_shri_vec(vece, b, b, 1);
+ tcg_gen_and_vec(vece, t, t, tcg_constant_vec_matching(d, vece, 1));
+ tcg_gen_add_vec(vece, d, a, b);
+ tcg_gen_add_vec(vece, d, d, t);
+}
+
+void gen_gvec_urhadd(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static const TCGOpcode vecop_list[] = {
+ INDEX_op_shri_vec, INDEX_op_add_vec, 0
+ };
+ static const GVecGen3 g[] = {
+ { .fni8 = gen_urhadd8_i64,
+ .fniv = gen_urhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_8 },
+ { .fni8 = gen_urhadd16_i64,
+ .fniv = gen_urhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_16 },
+ { .fni4 = gen_urhadd_i32,
+ .fniv = gen_urhadd_vec,
+ .opt_opc = vecop_list,
+ .vece = MO_32 },
+ };
+ assert(vece <= MO_32);
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, &g[vece]);
+}
diff --git a/target/arm/tcg/neon_helper.c b/target/arm/tcg/neon_helper.c
index d1641a5252c..082bfd88adf 100644
--- a/target/arm/tcg/neon_helper.c
+++ b/target/arm/tcg/neon_helper.c
@@ -179,33 +179,6 @@ uint32_t HELPER(glue(neon_,name))(uint32_t arg) \
return arg; \
}
-#define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1
-NEON_VOP(rhadd_s8, neon_s8, 4)
-NEON_VOP(rhadd_u8, neon_u8, 4)
-NEON_VOP(rhadd_s16, neon_s16, 2)
-NEON_VOP(rhadd_u16, neon_u16, 2)
-#undef NEON_FN
-
-int32_t HELPER(neon_rhadd_s32)(int32_t src1, int32_t src2)
-{
- int32_t dest;
-
- dest = (src1 >> 1) + (src2 >> 1);
- if ((src1 | src2) & 1)
- dest++;
- return dest;
-}
-
-uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2)
-{
- uint32_t dest;
-
- dest = (src1 >> 1) + (src2 >> 1);
- if ((src1 | src2) & 1)
- dest++;
- return dest;
-}
-
#define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2
NEON_POP(pmin_s8, neon_s8, 4)
NEON_POP(pmin_u8, neon_u8, 4)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 6571b999f49..40aa7a9d577 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -10915,7 +10915,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
int rm = extract32(insn, 16, 5);
int rn = extract32(insn, 5, 5);
int rd = extract32(insn, 0, 5);
- int pass;
switch (opcode) {
case 0x13: /* MUL, PMUL */
@@ -10969,6 +10968,13 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
+ case 0x02: /* SRHADD, URHADD */
+ if (u) {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_urhadd, size);
+ } else {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_srhadd, size);
+ }
+ return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
@@ -11021,45 +11027,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
return;
}
-
- if (size == 3) {
- g_assert_not_reached();
- } else {
- for (pass = 0; pass < (is_q ? 4 : 2); pass++) {
- TCGv_i32 tcg_op1 = tcg_temp_new_i32();
- TCGv_i32 tcg_op2 = tcg_temp_new_i32();
- TCGv_i32 tcg_res = tcg_temp_new_i32();
- NeonGenTwoOpFn *genfn = NULL;
- NeonGenTwoOpEnvFn *genenvfn = NULL;
-
- read_vec_element_i32(s, tcg_op1, rn, pass, MO_32);
- read_vec_element_i32(s, tcg_op2, rm, pass, MO_32);
-
- switch (opcode) {
- case 0x2: /* SRHADD, URHADD */
- {
- static NeonGenTwoOpFn * const fns[3][2] = {
- { gen_helper_neon_rhadd_s8, gen_helper_neon_rhadd_u8 },
- { gen_helper_neon_rhadd_s16, gen_helper_neon_rhadd_u16 },
- { gen_helper_neon_rhadd_s32, gen_helper_neon_rhadd_u32 },
- };
- genfn = fns[size][u];
- break;
- }
- default:
- g_assert_not_reached();
- }
-
- if (genenvfn) {
- genenvfn(tcg_res, tcg_env, tcg_op1, tcg_op2);
- } else {
- genfn(tcg_res, tcg_op1, tcg_op2);
- }
-
- write_vec_element_i32(s, tcg_res, rd, pass, MO_32);
- }
- }
- clear_vec_high(s, is_q, rd);
+ g_assert_not_reached();
}
/* AdvSIMD three same
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index d59d5804c55..f9a8753906a 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -845,6 +845,8 @@ DO_3SAME_NO_SZ_3(VHADD_S, gen_gvec_shadd)
DO_3SAME_NO_SZ_3(VHADD_U, gen_gvec_uhadd)
DO_3SAME_NO_SZ_3(VHSUB_S, gen_gvec_shsub)
DO_3SAME_NO_SZ_3(VHSUB_U, gen_gvec_uhsub)
+DO_3SAME_NO_SZ_3(VRHADD_S, gen_gvec_srhadd)
+DO_3SAME_NO_SZ_3(VRHADD_U, gen_gvec_urhadd)
#define DO_3SAME_CMP(INSN, COND) \
static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
@@ -922,27 +924,6 @@ DO_SHA2(SHA256H, gen_helper_crypto_sha256h)
DO_SHA2(SHA256H2, gen_helper_crypto_sha256h2)
DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
-#define DO_3SAME_32(INSN, FUNC) \
- static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
- uint32_t rn_ofs, uint32_t rm_ofs, \
- uint32_t oprsz, uint32_t maxsz) \
- { \
- static const GVecGen3 ops[4] = { \
- { .fni4 = gen_helper_neon_##FUNC##8 }, \
- { .fni4 = gen_helper_neon_##FUNC##16 }, \
- { .fni4 = gen_helper_neon_##FUNC##32 }, \
- { 0 }, \
- }; \
- tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &ops[vece]); \
- } \
- static bool trans_##INSN##_3s(DisasContext *s, arg_3same *a) \
- { \
- if (a->size > 2) { \
- return false; \
- } \
- return do_3same(s, a, gen_##INSN##_3s); \
- }
-
/*
* Some helper functions need to be passed the tcg_env. In order
* to use those with the gvec APIs like tcg_gen_gvec_3() we need
@@ -955,9 +936,6 @@ DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
FUNC(d, tcg_env, n, m); \
}
-DO_3SAME_32(VRHADD_S, rhadd_s)
-DO_3SAME_32(VRHADD_U, rhadd_u)
-
#define DO_3SAME_VQDMULH(INSN, FUNC) \
WRAP_ENV_FN(gen_##INSN##_tramp16, gen_helper_neon_##FUNC##_s16); \
WRAP_ENV_FN(gen_##INSN##_tramp32, gen_helper_neon_##FUNC##_s32); \
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 30/43] target/arm: Convert SRHADD, URHADD to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (28 preceding siblings ...)
2024-05-31 12:03 ` [PULL 29/43] target/arm: Convert SRHADD, URHADD to gvec Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 31/43] target/arm: Convert SMAX, SMIN, UMAX, UMIN " Peter Maydell
` (13 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-26-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 2 ++
target/arm/tcg/translate-a64.c | 11 +++--------
2 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index b1bbcb144eb..1c448b4f7c9 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -916,6 +916,8 @@ SHADD_v 0.00 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
UHADD_v 0.10 1110 ..1 ..... 00000 1 ..... ..... @qrrr_e
SHSUB_v 0.00 1110 ..1 ..... 00100 1 ..... ..... @qrrr_e
UHSUB_v 0.10 1110 ..1 ..... 00100 1 ..... ..... @qrrr_e
+SRHADD_v 0.00 1110 ..1 ..... 00010 1 ..... ..... @qrrr_e
+URHADD_v 0.10 1110 ..1 ..... 00010 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 40aa7a9d577..9ef5de6755c 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5458,6 +5458,8 @@ TRANS(SHADD_v, do_gvec_fn3_no64, a, gen_gvec_shadd)
TRANS(UHADD_v, do_gvec_fn3_no64, a, gen_gvec_uhadd)
TRANS(SHSUB_v, do_gvec_fn3_no64, a, gen_gvec_shsub)
TRANS(UHSUB_v, do_gvec_fn3_no64, a, gen_gvec_uhsub)
+TRANS(SRHADD_v, do_gvec_fn3_no64, a, gen_gvec_srhadd)
+TRANS(URHADD_v, do_gvec_fn3_no64, a, gen_gvec_urhadd)
static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
{
@@ -10923,7 +10925,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
return;
}
/* fall through */
- case 0x2: /* SRHADD, URHADD */
case 0xc: /* SMAX, UMAX */
case 0xd: /* SMIN, UMIN */
case 0xe: /* SABD, UABD */
@@ -10949,6 +10950,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x0: /* SHADD, UHADD */
case 0x01: /* SQADD, UQADD */
+ case 0x02: /* SRHADD, URHADD */
case 0x04: /* SHSUB, UHSUB */
case 0x05: /* SQSUB, UQSUB */
case 0x06: /* CMGT, CMHI */
@@ -10968,13 +10970,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x02: /* SRHADD, URHADD */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_urhadd, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_srhadd, size);
- }
- return;
case 0x0c: /* SMAX, UMAX */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 31/43] target/arm: Convert SMAX, SMIN, UMAX, UMIN to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (29 preceding siblings ...)
2024-05-31 12:03 ` [PULL 30/43] target/arm: Convert SRHADD, URHADD to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 32/43] target/arm: Convert SABA, SABD, UABA, UABD " Peter Maydell
` (12 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-27-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 4 ++++
target/arm/tcg/translate-a64.c | 22 ++++++----------------
2 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 1c448b4f7c9..bc98963bc5f 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -918,6 +918,10 @@ SHSUB_v 0.00 1110 ..1 ..... 00100 1 ..... ..... @qrrr_e
UHSUB_v 0.10 1110 ..1 ..... 00100 1 ..... ..... @qrrr_e
SRHADD_v 0.00 1110 ..1 ..... 00010 1 ..... ..... @qrrr_e
URHADD_v 0.10 1110 ..1 ..... 00010 1 ..... ..... @qrrr_e
+SMAX_v 0.00 1110 ..1 ..... 01100 1 ..... ..... @qrrr_e
+UMAX_v 0.10 1110 ..1 ..... 01100 1 ..... ..... @qrrr_e
+SMIN_v 0.00 1110 ..1 ..... 01101 1 ..... ..... @qrrr_e
+UMIN_v 0.10 1110 ..1 ..... 01101 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 9ef5de6755c..db6f59df176 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5460,6 +5460,10 @@ TRANS(SHSUB_v, do_gvec_fn3_no64, a, gen_gvec_shsub)
TRANS(UHSUB_v, do_gvec_fn3_no64, a, gen_gvec_uhsub)
TRANS(SRHADD_v, do_gvec_fn3_no64, a, gen_gvec_srhadd)
TRANS(URHADD_v, do_gvec_fn3_no64, a, gen_gvec_urhadd)
+TRANS(SMAX_v, do_gvec_fn3_no64, a, tcg_gen_gvec_smax)
+TRANS(UMAX_v, do_gvec_fn3_no64, a, tcg_gen_gvec_umax)
+TRANS(SMIN_v, do_gvec_fn3_no64, a, tcg_gen_gvec_smin)
+TRANS(UMIN_v, do_gvec_fn3_no64, a, tcg_gen_gvec_umin)
static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
{
@@ -10925,8 +10929,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
return;
}
/* fall through */
- case 0xc: /* SMAX, UMAX */
- case 0xd: /* SMIN, UMIN */
case 0xe: /* SABD, UABD */
case 0xf: /* SABA, UABA */
case 0x12: /* MLA, MLS */
@@ -10959,6 +10961,8 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x09: /* SQSHL, UQSHL */
case 0x0a: /* SRSHL, URSHL */
case 0x0b: /* SQRSHL, UQRSHL */
+ case 0x0c: /* SMAX, UMAX */
+ case 0x0d: /* SMIN, UMIN */
case 0x10: /* ADD, SUB */
case 0x11: /* CMTST, CMEQ */
unallocated_encoding(s);
@@ -10970,20 +10974,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x0c: /* SMAX, UMAX */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umax, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_smax, size);
- }
- return;
- case 0x0d: /* SMIN, UMIN */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_umin, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_smin, size);
- }
- return;
case 0xe: /* SABD, UABD */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uabd, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 32/43] target/arm: Convert SABA, SABD, UABA, UABD to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (30 preceding siblings ...)
2024-05-31 12:03 ` [PULL 31/43] target/arm: Convert SMAX, SMIN, UMAX, UMIN " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 33/43] target/arm: Convert MUL, PMUL " Peter Maydell
` (11 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 4 ++++
target/arm/tcg/translate-a64.c | 22 ++++++----------------
2 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index bc98963bc5f..07b604ec30d 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -922,6 +922,10 @@ SMAX_v 0.00 1110 ..1 ..... 01100 1 ..... ..... @qrrr_e
UMAX_v 0.10 1110 ..1 ..... 01100 1 ..... ..... @qrrr_e
SMIN_v 0.00 1110 ..1 ..... 01101 1 ..... ..... @qrrr_e
UMIN_v 0.10 1110 ..1 ..... 01101 1 ..... ..... @qrrr_e
+SABD_v 0.00 1110 ..1 ..... 01110 1 ..... ..... @qrrr_e
+UABD_v 0.10 1110 ..1 ..... 01110 1 ..... ..... @qrrr_e
+SABA_v 0.00 1110 ..1 ..... 01111 1 ..... ..... @qrrr_e
+UABA_v 0.10 1110 ..1 ..... 01111 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index db6f59df176..61afbc434fe 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5464,6 +5464,10 @@ TRANS(SMAX_v, do_gvec_fn3_no64, a, tcg_gen_gvec_smax)
TRANS(UMAX_v, do_gvec_fn3_no64, a, tcg_gen_gvec_umax)
TRANS(SMIN_v, do_gvec_fn3_no64, a, tcg_gen_gvec_smin)
TRANS(UMIN_v, do_gvec_fn3_no64, a, tcg_gen_gvec_umin)
+TRANS(SABA_v, do_gvec_fn3_no64, a, gen_gvec_saba)
+TRANS(UABA_v, do_gvec_fn3_no64, a, gen_gvec_uaba)
+TRANS(SABD_v, do_gvec_fn3_no64, a, gen_gvec_sabd)
+TRANS(UABD_v, do_gvec_fn3_no64, a, gen_gvec_uabd)
static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
{
@@ -10929,8 +10933,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
return;
}
/* fall through */
- case 0xe: /* SABD, UABD */
- case 0xf: /* SABA, UABA */
case 0x12: /* MLA, MLS */
if (size == 3) {
unallocated_encoding(s);
@@ -10963,6 +10965,8 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x0b: /* SQRSHL, UQRSHL */
case 0x0c: /* SMAX, UMAX */
case 0x0d: /* SMIN, UMIN */
+ case 0x0e: /* SABD, UABD */
+ case 0x0f: /* SABA, UABA */
case 0x10: /* ADD, SUB */
case 0x11: /* CMTST, CMEQ */
unallocated_encoding(s);
@@ -10974,20 +10978,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0xe: /* SABD, UABD */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uabd, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sabd, size);
- }
- return;
- case 0xf: /* SABA, UABA */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_uaba, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_saba, size);
- }
- return;
case 0x13: /* MUL, PMUL */
if (!u) { /* MUL */
gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_mul, size);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 33/43] target/arm: Convert MUL, PMUL to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (31 preceding siblings ...)
2024-05-31 12:03 ` [PULL 32/43] target/arm: Convert SABA, SABD, UABA, UABD " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 34/43] target/arm: Convert MLA, MLS " Peter Maydell
` (10 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 5 ++++
target/arm/tcg/translate-a64.c | 51 +++++++++++++---------------------
2 files changed, 25 insertions(+), 31 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 07b604ec30d..3ea06433701 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -926,6 +926,8 @@ SABD_v 0.00 1110 ..1 ..... 01110 1 ..... ..... @qrrr_e
UABD_v 0.10 1110 ..1 ..... 01110 1 ..... ..... @qrrr_e
SABA_v 0.00 1110 ..1 ..... 01111 1 ..... ..... @qrrr_e
UABA_v 0.10 1110 ..1 ..... 01111 1 ..... ..... @qrrr_e
+MUL_v 0.00 1110 ..1 ..... 10011 1 ..... ..... @qrrr_e
+PMUL_v 0.10 1110 001 ..... 10011 1 ..... ..... @qrrr_b
### Advanced SIMD scalar x indexed element
@@ -967,3 +969,6 @@ FMLAL_vi 0.00 1111 10 .. .... 0000 . 0 ..... ..... @qrrx_h
FMLSL_vi 0.00 1111 10 .. .... 0100 . 0 ..... ..... @qrrx_h
FMLAL2_vi 0.10 1111 10 .. .... 1000 . 0 ..... ..... @qrrx_h
FMLSL2_vi 0.10 1111 10 .. .... 1100 . 0 ..... ..... @qrrx_h
+
+MUL_vi 0.00 1111 01 .. .... 1000 . 0 ..... ..... @qrrx_h
+MUL_vi 0.00 1111 10 . ..... 1000 . 0 ..... ..... @qrrx_s
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 61afbc434fe..1909d1426c4 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5468,6 +5468,8 @@ TRANS(SABA_v, do_gvec_fn3_no64, a, gen_gvec_saba)
TRANS(UABA_v, do_gvec_fn3_no64, a, gen_gvec_uaba)
TRANS(SABD_v, do_gvec_fn3_no64, a, gen_gvec_sabd)
TRANS(UABD_v, do_gvec_fn3_no64, a, gen_gvec_uabd)
+TRANS(MUL_v, do_gvec_fn3_no64, a, tcg_gen_gvec_mul)
+TRANS(PMUL_v, do_gvec_op3_ool, a, 0, gen_helper_gvec_pmul_b)
static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
{
@@ -5694,6 +5696,22 @@ TRANS_FEAT(FMLSL_vi, aa64_fhm, do_fmlal_idx, a, true, false)
TRANS_FEAT(FMLAL2_vi, aa64_fhm, do_fmlal_idx, a, false, true)
TRANS_FEAT(FMLSL2_vi, aa64_fhm, do_fmlal_idx, a, true, true)
+static bool do_int3_vector_idx(DisasContext *s, arg_qrrx_e *a,
+ gen_helper_gvec_3 * const fns[2])
+{
+ assert(a->esz == MO_16 || a->esz == MO_32);
+ if (fp_access_check(s)) {
+ gen_gvec_op3_ool(s, a->q, a->rd, a->rn, a->rm, a->idx, fns[a->esz - 1]);
+ }
+ return true;
+}
+
+static gen_helper_gvec_3 * const f_vector_idx_mul[2] = {
+ gen_helper_gvec_mul_idx_h,
+ gen_helper_gvec_mul_idx_s,
+};
+TRANS(MUL_vi, do_int3_vector_idx, a, f_vector_idx_mul)
+
/*
* Advanced SIMD scalar pairwise
*/
@@ -10927,12 +10945,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
int rd = extract32(insn, 0, 5);
switch (opcode) {
- case 0x13: /* MUL, PMUL */
- if (u && size != 0) {
- unallocated_encoding(s);
- return;
- }
- /* fall through */
case 0x12: /* MLA, MLS */
if (size == 3) {
unallocated_encoding(s);
@@ -10969,6 +10981,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x0f: /* SABA, UABA */
case 0x10: /* ADD, SUB */
case 0x11: /* CMTST, CMEQ */
+ case 0x13: /* MUL, PMUL */
unallocated_encoding(s);
return;
}
@@ -10978,13 +10991,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x13: /* MUL, PMUL */
- if (!u) { /* MUL */
- gen_gvec_fn3(s, is_q, rd, rn, rm, tcg_gen_gvec_mul, size);
- } else { /* PMUL */
- gen_gvec_op3_ool(s, is_q, rd, rn, rm, 0, gen_helper_gvec_pmul_b);
- }
- return;
case 0x12: /* MLA, MLS */
if (u) {
gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_mls, size);
@@ -12198,7 +12204,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
TCGv_ptr fpst;
switch (16 * u + opcode) {
- case 0x08: /* MUL */
case 0x10: /* MLA */
case 0x14: /* MLS */
if (is_scalar) {
@@ -12285,6 +12290,7 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
case 0x01: /* FMLA */
case 0x04: /* FMLSL */
case 0x05: /* FMLS */
+ case 0x08: /* MUL */
case 0x09: /* FMUL */
case 0x18: /* FMLAL2 */
case 0x19: /* FMULX */
@@ -12407,22 +12413,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
}
return;
- case 0x08: /* MUL */
- if (!is_long && !is_scalar) {
- static gen_helper_gvec_3 * const fns[3] = {
- gen_helper_gvec_mul_idx_h,
- gen_helper_gvec_mul_idx_s,
- gen_helper_gvec_mul_idx_d,
- };
- tcg_gen_gvec_3_ool(vec_full_reg_offset(s, rd),
- vec_full_reg_offset(s, rn),
- vec_full_reg_offset(s, rm),
- is_q ? 16 : 8, vec_full_reg_size(s),
- index, fns[size - 1]);
- return;
- }
- break;
-
case 0x10: /* MLA */
if (!is_long && !is_scalar) {
static gen_helper_gvec_4 * const fns[3] = {
@@ -12491,7 +12481,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
read_vec_element_i32(s, tcg_op, rn, pass, is_scalar ? size : MO_32);
switch (16 * u + opcode) {
- case 0x08: /* MUL */
case 0x10: /* MLA */
case 0x14: /* MLS */
{
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 34/43] target/arm: Convert MLA, MLS to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (32 preceding siblings ...)
2024-05-31 12:03 ` [PULL 33/43] target/arm: Convert MUL, PMUL " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 35/43] target/arm: Tidy SQDMULH, SQRDMULH (vector) Peter Maydell
` (9 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-30-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 8 ++++
target/arm/tcg/translate-a64.c | 77 ++++++++++------------------------
2 files changed, 31 insertions(+), 54 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 3ea06433701..2dea68a0a9d 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -928,6 +928,8 @@ SABA_v 0.00 1110 ..1 ..... 01111 1 ..... ..... @qrrr_e
UABA_v 0.10 1110 ..1 ..... 01111 1 ..... ..... @qrrr_e
MUL_v 0.00 1110 ..1 ..... 10011 1 ..... ..... @qrrr_e
PMUL_v 0.10 1110 001 ..... 10011 1 ..... ..... @qrrr_b
+MLA_v 0.00 1110 ..1 ..... 10010 1 ..... ..... @qrrr_e
+MLS_v 0.10 1110 ..1 ..... 10010 1 ..... ..... @qrrr_e
### Advanced SIMD scalar x indexed element
@@ -972,3 +974,9 @@ FMLSL2_vi 0.10 1111 10 .. .... 1100 . 0 ..... ..... @qrrx_h
MUL_vi 0.00 1111 01 .. .... 1000 . 0 ..... ..... @qrrx_h
MUL_vi 0.00 1111 10 . ..... 1000 . 0 ..... ..... @qrrx_s
+
+MLA_vi 0.10 1111 01 .. .... 0000 . 0 ..... ..... @qrrx_h
+MLA_vi 0.10 1111 10 . ..... 0000 . 0 ..... ..... @qrrx_s
+
+MLS_vi 0.10 1111 01 .. .... 0100 . 0 ..... ..... @qrrx_h
+MLS_vi 0.10 1111 10 . ..... 0100 . 0 ..... ..... @qrrx_s
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 1909d1426c4..c4601cde2f7 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5470,6 +5470,8 @@ TRANS(SABD_v, do_gvec_fn3_no64, a, gen_gvec_sabd)
TRANS(UABD_v, do_gvec_fn3_no64, a, gen_gvec_uabd)
TRANS(MUL_v, do_gvec_fn3_no64, a, tcg_gen_gvec_mul)
TRANS(PMUL_v, do_gvec_op3_ool, a, 0, gen_helper_gvec_pmul_b)
+TRANS(MLA_v, do_gvec_fn3_no64, a, gen_gvec_mla)
+TRANS(MLS_v, do_gvec_fn3_no64, a, gen_gvec_mls)
static bool do_cmop_v(DisasContext *s, arg_qrrr_e *a, TCGCond cond)
{
@@ -5712,6 +5714,24 @@ static gen_helper_gvec_3 * const f_vector_idx_mul[2] = {
};
TRANS(MUL_vi, do_int3_vector_idx, a, f_vector_idx_mul)
+static bool do_mla_vector_idx(DisasContext *s, arg_qrrx_e *a, bool sub)
+{
+ static gen_helper_gvec_4 * const fns[2][2] = {
+ { gen_helper_gvec_mla_idx_h, gen_helper_gvec_mls_idx_h },
+ { gen_helper_gvec_mla_idx_s, gen_helper_gvec_mls_idx_s },
+ };
+
+ assert(a->esz == MO_16 || a->esz == MO_32);
+ if (fp_access_check(s)) {
+ gen_gvec_op4_ool(s, a->q, a->rd, a->rn, a->rm, a->rd,
+ a->idx, fns[a->esz - 1][sub]);
+ }
+ return true;
+}
+
+TRANS(MLA_vi, do_mla_vector_idx, a, false)
+TRANS(MLS_vi, do_mla_vector_idx, a, true)
+
/*
* Advanced SIMD scalar pairwise
*/
@@ -10945,12 +10965,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
int rd = extract32(insn, 0, 5);
switch (opcode) {
- case 0x12: /* MLA, MLS */
- if (size == 3) {
- unallocated_encoding(s);
- return;
- }
- break;
case 0x16: /* SQDMULH, SQRDMULH */
if (size == 0 || size == 3) {
unallocated_encoding(s);
@@ -10981,6 +10995,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
case 0x0f: /* SABA, UABA */
case 0x10: /* ADD, SUB */
case 0x11: /* CMTST, CMEQ */
+ case 0x12: /* MLA, MLS */
case 0x13: /* MUL, PMUL */
unallocated_encoding(s);
return;
@@ -10991,13 +11006,6 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
}
switch (opcode) {
- case 0x12: /* MLA, MLS */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_mls, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_mla, size);
- }
- return;
case 0x16: /* SQDMULH, SQRDMULH */
{
static gen_helper_gvec_3_ptr * const fns[2][2] = {
@@ -12204,13 +12212,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
TCGv_ptr fpst;
switch (16 * u + opcode) {
- case 0x10: /* MLA */
- case 0x14: /* MLS */
- if (is_scalar) {
- unallocated_encoding(s);
- return;
- }
- break;
case 0x02: /* SMLAL, SMLAL2 */
case 0x12: /* UMLAL, UMLAL2 */
case 0x06: /* SMLSL, SMLSL2 */
@@ -12292,6 +12293,8 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
case 0x05: /* FMLS */
case 0x08: /* MUL */
case 0x09: /* FMUL */
+ case 0x10: /* MLA */
+ case 0x14: /* MLS */
case 0x18: /* FMLAL2 */
case 0x19: /* FMULX */
case 0x1c: /* FMLSL2 */
@@ -12412,40 +12415,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
: gen_helper_gvec_fcmlah_idx);
}
return;
-
- case 0x10: /* MLA */
- if (!is_long && !is_scalar) {
- static gen_helper_gvec_4 * const fns[3] = {
- gen_helper_gvec_mla_idx_h,
- gen_helper_gvec_mla_idx_s,
- gen_helper_gvec_mla_idx_d,
- };
- tcg_gen_gvec_4_ool(vec_full_reg_offset(s, rd),
- vec_full_reg_offset(s, rn),
- vec_full_reg_offset(s, rm),
- vec_full_reg_offset(s, rd),
- is_q ? 16 : 8, vec_full_reg_size(s),
- index, fns[size - 1]);
- return;
- }
- break;
-
- case 0x14: /* MLS */
- if (!is_long && !is_scalar) {
- static gen_helper_gvec_4 * const fns[3] = {
- gen_helper_gvec_mls_idx_h,
- gen_helper_gvec_mls_idx_s,
- gen_helper_gvec_mls_idx_d,
- };
- tcg_gen_gvec_4_ool(vec_full_reg_offset(s, rd),
- vec_full_reg_offset(s, rn),
- vec_full_reg_offset(s, rm),
- vec_full_reg_offset(s, rd),
- is_q ? 16 : 8, vec_full_reg_size(s),
- index, fns[size - 1]);
- return;
- }
- break;
}
if (size == 3) {
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 35/43] target/arm: Tidy SQDMULH, SQRDMULH (vector)
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (33 preceding siblings ...)
2024-05-31 12:03 ` [PULL 34/43] target/arm: Convert MLA, MLS " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 36/43] target/arm: Convert SQDMULH, SQRDMULH to decodetree Peter Maydell
` (8 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
We already have a gvec helper for the operations, but we aren't
using it on the aa32 neon side. Create a unified expander for
use by both aa32 and aa64 translators.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-31-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/translate.h | 4 ++++
target/arm/tcg/gengvec.c | 20 ++++++++++++++++++++
target/arm/tcg/translate-a64.c | 23 ++++-------------------
target/arm/tcg/translate-neon.c | 23 +++--------------------
4 files changed, 31 insertions(+), 39 deletions(-)
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index 3b1e68b7794..aba21f730fe 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -539,6 +539,10 @@ void gen_gvec_sri(unsigned vece, uint32_t rd_ofs, uint32_t rm_ofs,
void gen_gvec_sli(unsigned vece, uint32_t rd_ofs, uint32_t rm_ofs,
int64_t shift, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_sqdmulh_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_sqrdmulh_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_gvec_sqrdmlah_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz);
void gen_gvec_sqrdmlsh_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 119826bf284..56a1dc1f755 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -35,6 +35,26 @@ static void gen_gvec_fn3_qc(uint32_t rd_ofs, uint32_t rn_ofs, uint32_t rm_ofs,
opr_sz, max_sz, 0, fn);
}
+void gen_gvec_sqdmulh_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3_ptr * const fns[2] = {
+ gen_helper_neon_sqdmulh_h, gen_helper_neon_sqdmulh_s
+ };
+ tcg_debug_assert(vece >= 1 && vece <= 2);
+ gen_gvec_fn3_qc(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, fns[vece - 1]);
+}
+
+void gen_gvec_sqrdmulh_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+ uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
+{
+ static gen_helper_gvec_3_ptr * const fns[2] = {
+ gen_helper_neon_sqrdmulh_h, gen_helper_neon_sqrdmulh_s
+ };
+ tcg_debug_assert(vece >= 1 && vece <= 2);
+ gen_gvec_fn3_qc(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz, fns[vece - 1]);
+}
+
void gen_gvec_sqrdmlah_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz)
{
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index c4601cde2f7..c673b95ec7a 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -724,19 +724,6 @@ static void gen_gvec_op3_fpst(DisasContext *s, bool is_q, int rd, int rn,
is_q ? 16 : 8, vec_full_reg_size(s), data, fn);
}
-/* Expand a 3-operand + qc + operation using an out-of-line helper. */
-static void gen_gvec_op3_qc(DisasContext *s, bool is_q, int rd, int rn,
- int rm, gen_helper_gvec_3_ptr *fn)
-{
- TCGv_ptr qc_ptr = tcg_temp_new_ptr();
-
- tcg_gen_addi_ptr(qc_ptr, tcg_env, offsetof(CPUARMState, vfp.qc));
- tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd),
- vec_full_reg_offset(s, rn),
- vec_full_reg_offset(s, rm), qc_ptr,
- is_q ? 16 : 8, vec_full_reg_size(s), 0, fn);
-}
-
/* Expand a 4-operand operation using an out-of-line helper. */
static void gen_gvec_op4_ool(DisasContext *s, bool is_q, int rd, int rn,
int rm, int ra, int data, gen_helper_gvec_4 *fn)
@@ -11007,12 +10994,10 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
switch (opcode) {
case 0x16: /* SQDMULH, SQRDMULH */
- {
- static gen_helper_gvec_3_ptr * const fns[2][2] = {
- { gen_helper_neon_sqdmulh_h, gen_helper_neon_sqrdmulh_h },
- { gen_helper_neon_sqdmulh_s, gen_helper_neon_sqrdmulh_s },
- };
- gen_gvec_op3_qc(s, is_q, rd, rn, rm, fns[size - 1][u]);
+ if (u) {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqrdmulh_qc, size);
+ } else {
+ gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqdmulh_qc, size);
}
return;
}
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index f9a8753906a..915c9e56db5 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -937,28 +937,11 @@ DO_SHA2(SHA256SU1, gen_helper_crypto_sha256su1)
}
#define DO_3SAME_VQDMULH(INSN, FUNC) \
- WRAP_ENV_FN(gen_##INSN##_tramp16, gen_helper_neon_##FUNC##_s16); \
- WRAP_ENV_FN(gen_##INSN##_tramp32, gen_helper_neon_##FUNC##_s32); \
- static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
- uint32_t rn_ofs, uint32_t rm_ofs, \
- uint32_t oprsz, uint32_t maxsz) \
- { \
- static const GVecGen3 ops[2] = { \
- { .fni4 = gen_##INSN##_tramp16 }, \
- { .fni4 = gen_##INSN##_tramp32 }, \
- }; \
- tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &ops[vece - 1]); \
- } \
static bool trans_##INSN##_3s(DisasContext *s, arg_3same *a) \
- { \
- if (a->size != 1 && a->size != 2) { \
- return false; \
- } \
- return do_3same(s, a, gen_##INSN##_3s); \
- }
+ { return a->size >= 1 && a->size <= 2 && do_3same(s, a, FUNC); }
-DO_3SAME_VQDMULH(VQDMULH, qdmulh)
-DO_3SAME_VQDMULH(VQRDMULH, qrdmulh)
+DO_3SAME_VQDMULH(VQDMULH, gen_gvec_sqdmulh_qc)
+DO_3SAME_VQDMULH(VQRDMULH, gen_gvec_sqrdmulh_qc)
#define WRAP_FP_GVEC(WRAPNAME, FPST, FUNC) \
static void WRAPNAME(unsigned vece, uint32_t rd_ofs, \
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 36/43] target/arm: Convert SQDMULH, SQRDMULH to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (34 preceding siblings ...)
2024-05-31 12:03 ` [PULL 35/43] target/arm: Tidy SQDMULH, SQRDMULH (vector) Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 37/43] target/arm: Convert FMADD, FMSUB, FNMADD, FNMSUB " Peter Maydell
` (7 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
These are the last instructions within disas_simd_three_reg_same
and disas_simd_scalar_three_reg_same, so remove them.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240528203044.612851-32-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.h | 10 ++
target/arm/tcg/a64.decode | 18 +++
target/arm/tcg/translate-a64.c | 276 ++++++++++-----------------------
target/arm/tcg/vec_helper.c | 64 ++++++++
4 files changed, 172 insertions(+), 196 deletions(-)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index 85f93025636..24feecee9b4 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -968,6 +968,16 @@ DEF_HELPER_FLAGS_5(neon_sqrdmulh_h, TCG_CALL_NO_RWG,
DEF_HELPER_FLAGS_5(neon_sqrdmulh_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqdmulh_idx_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqdmulh_idx_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(neon_sqrdmulh_idx_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(neon_sqrdmulh_idx_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+
DEF_HELPER_FLAGS_4(sve2_sqdmulh_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_sqdmulh_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(sve2_sqdmulh_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 2dea68a0a9d..f7f897f9fcc 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -774,6 +774,9 @@ CMHS_s 0111 1110 111 ..... 00111 1 ..... ..... @rrr_d
CMTST_s 0101 1110 111 ..... 10001 1 ..... ..... @rrr_d
CMEQ_s 0111 1110 111 ..... 10001 1 ..... ..... @rrr_d
+SQDMULH_s 0101 1110 ..1 ..... 10110 1 ..... ..... @rrr_e
+SQRDMULH_s 0111 1110 ..1 ..... 10110 1 ..... ..... @rrr_e
+
### Advanced SIMD scalar pairwise
FADDP_s 0101 1110 0011 0000 1101 10 ..... ..... @rr_h
@@ -931,6 +934,9 @@ PMUL_v 0.10 1110 001 ..... 10011 1 ..... ..... @qrrr_b
MLA_v 0.00 1110 ..1 ..... 10010 1 ..... ..... @qrrr_e
MLS_v 0.10 1110 ..1 ..... 10010 1 ..... ..... @qrrr_e
+SQDMULH_v 0.00 1110 ..1 ..... 10110 1 ..... ..... @qrrr_e
+SQRDMULH_v 0.10 1110 ..1 ..... 10110 1 ..... ..... @qrrr_e
+
### Advanced SIMD scalar x indexed element
FMUL_si 0101 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h
@@ -949,6 +955,12 @@ FMULX_si 0111 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h
FMULX_si 0111 1111 10 . ..... 1001 . 0 ..... ..... @rrx_s
FMULX_si 0111 1111 11 0 ..... 1001 . 0 ..... ..... @rrx_d
+SQDMULH_si 0101 1111 01 .. .... 1100 . 0 ..... ..... @rrx_h
+SQDMULH_si 0101 1111 10 .. .... 1100 . 0 ..... ..... @rrx_s
+
+SQRDMULH_si 0101 1111 01 .. .... 1101 . 0 ..... ..... @rrx_h
+SQRDMULH_si 0101 1111 10 . ..... 1101 . 0 ..... ..... @rrx_s
+
### Advanced SIMD vector x indexed element
FMUL_vi 0.00 1111 00 .. .... 1001 . 0 ..... ..... @qrrx_h
@@ -980,3 +992,9 @@ MLA_vi 0.10 1111 10 . ..... 0000 . 0 ..... ..... @qrrx_s
MLS_vi 0.10 1111 01 .. .... 0100 . 0 ..... ..... @qrrx_h
MLS_vi 0.10 1111 10 . ..... 0100 . 0 ..... ..... @qrrx_s
+
+SQDMULH_vi 0.00 1111 01 .. .... 1100 . 0 ..... ..... @qrrx_h
+SQDMULH_vi 0.00 1111 10 . ..... 1100 . 0 ..... ..... @qrrx_s
+
+SQRDMULH_vi 0.00 1111 01 .. .... 1101 . 0 ..... ..... @qrrx_h
+SQRDMULH_vi 0.00 1111 10 . ..... 1101 . 0 ..... ..... @qrrx_s
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index c673b95ec7a..14226c56cfd 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -1350,6 +1350,14 @@ static bool do_gvec_fn3_no64(DisasContext *s, arg_qrrr_e *a, GVecGen3Fn *fn)
return true;
}
+static bool do_gvec_fn3_no8_no64(DisasContext *s, arg_qrrr_e *a, GVecGen3Fn *fn)
+{
+ if (a->esz == MO_8) {
+ return false;
+ }
+ return do_gvec_fn3_no64(s, a, fn);
+}
+
static bool do_gvec_fn4(DisasContext *s, arg_qrrrr_e *a, GVecGen4Fn *fn)
{
if (!a->q && a->esz == MO_64) {
@@ -5167,6 +5175,25 @@ static const ENVScalar2 f_scalar_uqrshl = {
};
TRANS(UQRSHL_s, do_env_scalar2, a, &f_scalar_uqrshl)
+static bool do_env_scalar2_hs(DisasContext *s, arg_rrr_e *a,
+ const ENVScalar2 *f)
+{
+ if (a->esz == MO_16 || a->esz == MO_32) {
+ return do_env_scalar2(s, a, f);
+ }
+ return false;
+}
+
+static const ENVScalar2 f_scalar_sqdmulh = {
+ { NULL, gen_helper_neon_qdmulh_s16, gen_helper_neon_qdmulh_s32 }
+};
+TRANS(SQDMULH_s, do_env_scalar2_hs, a, &f_scalar_sqdmulh)
+
+static const ENVScalar2 f_scalar_sqrdmulh = {
+ { NULL, gen_helper_neon_qrdmulh_s16, gen_helper_neon_qrdmulh_s32 }
+};
+TRANS(SQRDMULH_s, do_env_scalar2_hs, a, &f_scalar_sqrdmulh)
+
static bool do_cmop_d(DisasContext *s, arg_rrr_e *a, TCGCond cond)
{
if (fp_access_check(s)) {
@@ -5482,6 +5509,9 @@ TRANS(CMHS_v, do_cmop_v, a, TCG_COND_GEU)
TRANS(CMEQ_v, do_cmop_v, a, TCG_COND_EQ)
TRANS(CMTST_v, do_gvec_fn3, a, gen_gvec_cmtst)
+TRANS(SQDMULH_v, do_gvec_fn3_no8_no64, a, gen_gvec_sqdmulh_qc)
+TRANS(SQRDMULH_v, do_gvec_fn3_no8_no64, a, gen_gvec_sqrdmulh_qc)
+
/*
* Advanced SIMD scalar/vector x indexed element
*/
@@ -5589,6 +5619,27 @@ static bool do_fmla_scalar_idx(DisasContext *s, arg_rrx_e *a, bool neg)
TRANS(FMLA_si, do_fmla_scalar_idx, a, false)
TRANS(FMLS_si, do_fmla_scalar_idx, a, true)
+static bool do_env_scalar2_idx_hs(DisasContext *s, arg_rrx_e *a,
+ const ENVScalar2 *f)
+{
+ if (a->esz < MO_16 || a->esz > MO_32) {
+ return false;
+ }
+ if (fp_access_check(s)) {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ TCGv_i32 t1 = tcg_temp_new_i32();
+
+ read_vec_element_i32(s, t0, a->rn, 0, a->esz);
+ read_vec_element_i32(s, t1, a->rm, a->idx, a->esz);
+ f->gen_bhs[a->esz](t0, tcg_env, t0, t1);
+ write_fp_sreg(s, a->rd, t0);
+ }
+ return true;
+}
+
+TRANS(SQDMULH_si, do_env_scalar2_idx_hs, a, &f_scalar_sqdmulh)
+TRANS(SQRDMULH_si, do_env_scalar2_idx_hs, a, &f_scalar_sqrdmulh)
+
static bool do_fp3_vector_idx(DisasContext *s, arg_qrrx_e *a,
gen_helper_gvec_3_ptr * const fns[3])
{
@@ -5719,6 +5770,33 @@ static bool do_mla_vector_idx(DisasContext *s, arg_qrrx_e *a, bool sub)
TRANS(MLA_vi, do_mla_vector_idx, a, false)
TRANS(MLS_vi, do_mla_vector_idx, a, true)
+static bool do_int3_qc_vector_idx(DisasContext *s, arg_qrrx_e *a,
+ gen_helper_gvec_4 * const fns[2])
+{
+ assert(a->esz == MO_16 || a->esz == MO_32);
+ if (fp_access_check(s)) {
+ tcg_gen_gvec_4_ool(vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ vec_full_reg_offset(s, a->rm),
+ offsetof(CPUARMState, vfp.qc),
+ a->q ? 16 : 8, vec_full_reg_size(s),
+ a->idx, fns[a->esz - 1]);
+ }
+ return true;
+}
+
+static gen_helper_gvec_4 * const f_vector_idx_sqdmulh[2] = {
+ gen_helper_neon_sqdmulh_idx_h,
+ gen_helper_neon_sqdmulh_idx_s,
+};
+TRANS(SQDMULH_vi, do_int3_qc_vector_idx, a, f_vector_idx_sqdmulh)
+
+static gen_helper_gvec_4 * const f_vector_idx_sqrdmulh[2] = {
+ gen_helper_neon_sqrdmulh_idx_h,
+ gen_helper_neon_sqrdmulh_idx_s,
+};
+TRANS(SQRDMULH_vi, do_int3_qc_vector_idx, a, f_vector_idx_sqrdmulh)
+
/*
* Advanced SIMD scalar pairwise
*/
@@ -9500,109 +9578,6 @@ static void disas_simd_scalar_three_reg_diff(DisasContext *s, uint32_t insn)
}
}
-/* AdvSIMD scalar three same
- * 31 30 29 28 24 23 22 21 20 16 15 11 10 9 5 4 0
- * +-----+---+-----------+------+---+------+--------+---+------+------+
- * | 0 1 | U | 1 1 1 1 0 | size | 1 | Rm | opcode | 1 | Rn | Rd |
- * +-----+---+-----------+------+---+------+--------+---+------+------+
- */
-static void disas_simd_scalar_three_reg_same(DisasContext *s, uint32_t insn)
-{
- int rd = extract32(insn, 0, 5);
- int rn = extract32(insn, 5, 5);
- int opcode = extract32(insn, 11, 5);
- int rm = extract32(insn, 16, 5);
- int size = extract32(insn, 22, 2);
- bool u = extract32(insn, 29, 1);
- TCGv_i64 tcg_rd;
-
- switch (opcode) {
- case 0x16: /* SQDMULH, SQRDMULH (vector) */
- if (size != 1 && size != 2) {
- unallocated_encoding(s);
- return;
- }
- break;
- default:
- case 0x1: /* SQADD, UQADD */
- case 0x5: /* SQSUB, UQSUB */
- case 0x6: /* CMGT, CMHI */
- case 0x7: /* CMGE, CMHS */
- case 0x8: /* SSHL, USHL */
- case 0x9: /* SQSHL, UQSHL */
- case 0xa: /* SRSHL, URSHL */
- case 0xb: /* SQRSHL, UQRSHL */
- case 0x10: /* ADD, SUB (vector) */
- case 0x11: /* CMTST, CMEQ */
- unallocated_encoding(s);
- return;
- }
-
- if (!fp_access_check(s)) {
- return;
- }
-
- tcg_rd = tcg_temp_new_i64();
-
- if (size == 3) {
- g_assert_not_reached();
- } else {
- /* Do a single operation on the lowest element in the vector.
- * We use the standard Neon helpers and rely on 0 OP 0 == 0 with
- * no side effects for all these operations.
- * OPTME: special-purpose helpers would avoid doing some
- * unnecessary work in the helper for the 8 and 16 bit cases.
- */
- NeonGenTwoOpEnvFn *genenvfn = NULL;
- void (*genfn)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64, MemOp) = NULL;
-
- switch (opcode) {
- case 0x16: /* SQDMULH, SQRDMULH */
- {
- static NeonGenTwoOpEnvFn * const fns[2][2] = {
- { gen_helper_neon_qdmulh_s16, gen_helper_neon_qrdmulh_s16 },
- { gen_helper_neon_qdmulh_s32, gen_helper_neon_qrdmulh_s32 },
- };
- assert(size == 1 || size == 2);
- genenvfn = fns[size - 1][u];
- break;
- }
- default:
- case 0x1: /* SQADD, UQADD */
- case 0x5: /* SQSUB, UQSUB */
- case 0x9: /* SQSHL, UQSHL */
- case 0xb: /* SQRSHL, UQRSHL */
- g_assert_not_reached();
- }
-
- if (genenvfn) {
- TCGv_i32 tcg_rn = tcg_temp_new_i32();
- TCGv_i32 tcg_rm = tcg_temp_new_i32();
-
- read_vec_element_i32(s, tcg_rn, rn, 0, size);
- read_vec_element_i32(s, tcg_rm, rm, 0, size);
- genenvfn(tcg_rn, tcg_env, tcg_rn, tcg_rm);
- tcg_gen_extu_i32_i64(tcg_rd, tcg_rn);
- } else {
- TCGv_i64 tcg_rn = tcg_temp_new_i64();
- TCGv_i64 tcg_rm = tcg_temp_new_i64();
- TCGv_i64 qc = tcg_temp_new_i64();
-
- read_vec_element(s, tcg_rn, rn, 0, size | (u ? 0 : MO_SIGN));
- read_vec_element(s, tcg_rm, rm, 0, size | (u ? 0 : MO_SIGN));
- tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
- genfn(tcg_rd, qc, tcg_rn, tcg_rm, size);
- tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc));
- if (!u) {
- /* Truncate signed 64-bit result for writeback. */
- tcg_gen_ext_i64(tcg_rd, tcg_rd, size);
- }
- }
- }
-
- write_fp_dreg(s, rd, tcg_rd);
-}
-
/* AdvSIMD scalar three same extra
* 31 30 29 28 24 23 22 21 20 16 15 14 11 10 9 5 4 0
* +-----+---+-----------+------+---+------+---+--------+---+----+----+
@@ -10940,94 +10915,6 @@ static void disas_simd_three_reg_diff(DisasContext *s, uint32_t insn)
}
}
-/* Integer op subgroup of C3.6.16. */
-static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
-{
- int is_q = extract32(insn, 30, 1);
- int u = extract32(insn, 29, 1);
- int size = extract32(insn, 22, 2);
- int opcode = extract32(insn, 11, 5);
- int rm = extract32(insn, 16, 5);
- int rn = extract32(insn, 5, 5);
- int rd = extract32(insn, 0, 5);
-
- switch (opcode) {
- case 0x16: /* SQDMULH, SQRDMULH */
- if (size == 0 || size == 3) {
- unallocated_encoding(s);
- return;
- }
- break;
- default:
- if (size == 3 && !is_q) {
- unallocated_encoding(s);
- return;
- }
- break;
-
- case 0x0: /* SHADD, UHADD */
- case 0x01: /* SQADD, UQADD */
- case 0x02: /* SRHADD, URHADD */
- case 0x04: /* SHSUB, UHSUB */
- case 0x05: /* SQSUB, UQSUB */
- case 0x06: /* CMGT, CMHI */
- case 0x07: /* CMGE, CMHS */
- case 0x08: /* SSHL, USHL */
- case 0x09: /* SQSHL, UQSHL */
- case 0x0a: /* SRSHL, URSHL */
- case 0x0b: /* SQRSHL, UQRSHL */
- case 0x0c: /* SMAX, UMAX */
- case 0x0d: /* SMIN, UMIN */
- case 0x0e: /* SABD, UABD */
- case 0x0f: /* SABA, UABA */
- case 0x10: /* ADD, SUB */
- case 0x11: /* CMTST, CMEQ */
- case 0x12: /* MLA, MLS */
- case 0x13: /* MUL, PMUL */
- unallocated_encoding(s);
- return;
- }
-
- if (!fp_access_check(s)) {
- return;
- }
-
- switch (opcode) {
- case 0x16: /* SQDMULH, SQRDMULH */
- if (u) {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqrdmulh_qc, size);
- } else {
- gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqdmulh_qc, size);
- }
- return;
- }
- g_assert_not_reached();
-}
-
-/* AdvSIMD three same
- * 31 30 29 28 24 23 22 21 20 16 15 11 10 9 5 4 0
- * +---+---+---+-----------+------+---+------+--------+---+------+------+
- * | 0 | Q | U | 0 1 1 1 0 | size | 1 | Rm | opcode | 1 | Rn | Rd |
- * +---+---+---+-----------+------+---+------+--------+---+------+------+
- */
-static void disas_simd_three_reg_same(DisasContext *s, uint32_t insn)
-{
- int opcode = extract32(insn, 11, 5);
-
- switch (opcode) {
- default:
- disas_simd_3same_int(s, insn);
- break;
- case 0x3: /* logic ops */
- case 0x14: /* SMAXP, UMAXP */
- case 0x15: /* SMINP, UMINP */
- case 0x17: /* ADDP */
- case 0x18 ... 0x31: /* floating point ops */
- unallocated_encoding(s);
- break;
- }
-}
-
/* AdvSIMD three same extra
* 31 30 29 28 24 23 22 21 20 16 15 14 11 10 9 5 4 0
* +---+---+---+-----------+------+---+------+---+--------+---+----+----+
@@ -12214,9 +12101,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
case 0x0b: /* SQDMULL, SQDMULL2 */
is_long = true;
break;
- case 0x0c: /* SQDMULH */
- case 0x0d: /* SQRDMULH */
- break;
case 0x1d: /* SQRDMLAH */
case 0x1f: /* SQRDMLSH */
if (!dc_isar_feature(aa64_rdm, s)) {
@@ -12278,6 +12162,8 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
case 0x05: /* FMLS */
case 0x08: /* MUL */
case 0x09: /* FMUL */
+ case 0x0c: /* SQDMULH */
+ case 0x0d: /* SQRDMULH */
case 0x10: /* MLA */
case 0x14: /* MLS */
case 0x18: /* FMLAL2 */
@@ -12683,7 +12569,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
*/
static const AArch64DecodeTable data_proc_simd[] = {
/* pattern , mask , fn */
- { 0x0e200400, 0x9f200400, disas_simd_three_reg_same },
{ 0x0e008400, 0x9f208400, disas_simd_three_reg_same_extra },
{ 0x0e200000, 0x9f200c00, disas_simd_three_reg_diff },
{ 0x0e200800, 0x9f3e0c00, disas_simd_two_reg_misc },
@@ -12695,7 +12580,6 @@ static const AArch64DecodeTable data_proc_simd[] = {
{ 0x0e000000, 0xbf208c00, disas_simd_tb },
{ 0x0e000800, 0xbf208c00, disas_simd_zip_trn },
{ 0x2e000000, 0xbf208400, disas_simd_ext },
- { 0x5e200400, 0xdf200400, disas_simd_scalar_three_reg_same },
{ 0x5e008400, 0xdf208400, disas_simd_scalar_three_reg_same_extra },
{ 0x5e200000, 0xdf200c00, disas_simd_scalar_three_reg_diff },
{ 0x5e200800, 0xdf3e0c00, disas_simd_scalar_two_reg_misc },
diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c
index d8e96386be6..b05922b425f 100644
--- a/target/arm/tcg/vec_helper.c
+++ b/target/arm/tcg/vec_helper.c
@@ -311,6 +311,38 @@ void HELPER(neon_sqrdmulh_h)(void *vd, void *vn, void *vm,
clear_tail(d, opr_sz, simd_maxsz(desc));
}
+void HELPER(neon_sqdmulh_idx_h)(void *vd, void *vn, void *vm,
+ void *vq, uint32_t desc)
+{
+ intptr_t i, j, opr_sz = simd_oprsz(desc);
+ int idx = simd_data(desc);
+ int16_t *d = vd, *n = vn, *m = (int16_t *)vm + H2(idx);
+
+ for (i = 0; i < opr_sz / 2; i += 16 / 2) {
+ int16_t mm = m[i];
+ for (j = 0; j < 16 / 2; ++j) {
+ d[i + j] = do_sqrdmlah_h(n[i + j], mm, 0, false, false, vq);
+ }
+ }
+ clear_tail(d, opr_sz, simd_maxsz(desc));
+}
+
+void HELPER(neon_sqrdmulh_idx_h)(void *vd, void *vn, void *vm,
+ void *vq, uint32_t desc)
+{
+ intptr_t i, j, opr_sz = simd_oprsz(desc);
+ int idx = simd_data(desc);
+ int16_t *d = vd, *n = vn, *m = (int16_t *)vm + H2(idx);
+
+ for (i = 0; i < opr_sz / 2; i += 16 / 2) {
+ int16_t mm = m[i];
+ for (j = 0; j < 16 / 2; ++j) {
+ d[i + j] = do_sqrdmlah_h(n[i + j], mm, 0, false, true, vq);
+ }
+ }
+ clear_tail(d, opr_sz, simd_maxsz(desc));
+}
+
void HELPER(sve2_sqrdmlah_h)(void *vd, void *vn, void *vm,
void *va, uint32_t desc)
{
@@ -474,6 +506,38 @@ void HELPER(neon_sqrdmulh_s)(void *vd, void *vn, void *vm,
clear_tail(d, opr_sz, simd_maxsz(desc));
}
+void HELPER(neon_sqdmulh_idx_s)(void *vd, void *vn, void *vm,
+ void *vq, uint32_t desc)
+{
+ intptr_t i, j, opr_sz = simd_oprsz(desc);
+ int idx = simd_data(desc);
+ int32_t *d = vd, *n = vn, *m = (int32_t *)vm + H4(idx);
+
+ for (i = 0; i < opr_sz / 4; i += 16 / 4) {
+ int32_t mm = m[i];
+ for (j = 0; j < 16 / 4; ++j) {
+ d[i + j] = do_sqrdmlah_s(n[i + j], mm, 0, false, false, vq);
+ }
+ }
+ clear_tail(d, opr_sz, simd_maxsz(desc));
+}
+
+void HELPER(neon_sqrdmulh_idx_s)(void *vd, void *vn, void *vm,
+ void *vq, uint32_t desc)
+{
+ intptr_t i, j, opr_sz = simd_oprsz(desc);
+ int idx = simd_data(desc);
+ int32_t *d = vd, *n = vn, *m = (int32_t *)vm + H4(idx);
+
+ for (i = 0; i < opr_sz / 4; i += 16 / 4) {
+ int32_t mm = m[i];
+ for (j = 0; j < 16 / 4; ++j) {
+ d[i + j] = do_sqrdmlah_s(n[i + j], mm, 0, false, true, vq);
+ }
+ }
+ clear_tail(d, opr_sz, simd_maxsz(desc));
+}
+
void HELPER(sve2_sqrdmlah_s)(void *vd, void *vn, void *vm,
void *va, uint32_t desc)
{
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 37/43] target/arm: Convert FMADD, FMSUB, FNMADD, FNMSUB to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (35 preceding siblings ...)
2024-05-31 12:03 ` [PULL 36/43] target/arm: Convert SQDMULH, SQRDMULH to decodetree Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 38/43] target/arm: Convert FCSEL " Peter Maydell
` (6 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
These are the only instructions in the 3 source scalar class.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240528203044.612851-33-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 10 ++
target/arm/tcg/translate-a64.c | 231 ++++++++++++---------------------
2 files changed, 93 insertions(+), 148 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index f7f897f9fcc..6f6cd805b71 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -32,6 +32,7 @@
&rr_e rd rn esz
&rrr_e rd rn rm esz
&rrx_e rd rn rm idx esz
+&rrrr_e rd rn rm ra esz
&qrr_e q rd rn esz
&qrrr_e q rd rn rm esz
&qrrx_e q rd rn rm idx esz
@@ -998,3 +999,12 @@ SQDMULH_vi 0.00 1111 10 . ..... 1100 . 0 ..... ..... @qrrx_s
SQRDMULH_vi 0.00 1111 01 .. .... 1101 . 0 ..... ..... @qrrx_h
SQRDMULH_vi 0.00 1111 10 . ..... 1101 . 0 ..... ..... @qrrx_s
+
+# Floating-point data-processing (3 source)
+
+@rrrr_hsd .... .... .. . rm:5 . ra:5 rn:5 rd:5 &rrrr_e esz=%esz_hsd
+
+FMADD 0001 1111 .. 0 ..... 0 ..... ..... ..... @rrrr_hsd
+FMSUB 0001 1111 .. 0 ..... 1 ..... ..... ..... @rrrr_hsd
+FNMADD 0001 1111 .. 1 ..... 0 ..... ..... ..... @rrrr_hsd
+FNMSUB 0001 1111 .. 1 ..... 1 ..... ..... ..... @rrrr_hsd
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 14226c56cfd..78a2e6d6922 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5866,6 +5866,88 @@ static bool trans_ADDP_s(DisasContext *s, arg_rr_e *a)
return true;
}
+/*
+ * Floating-point data-processing (3 source)
+ */
+
+static bool do_fmadd(DisasContext *s, arg_rrrr_e *a, bool neg_a, bool neg_n)
+{
+ TCGv_ptr fpst;
+
+ /*
+ * These are fused multiply-add. Note that doing the negations here
+ * as separate steps is correct: an input NaN should come out with
+ * its sign bit flipped if it is a negated-input.
+ */
+ switch (a->esz) {
+ case MO_64:
+ if (fp_access_check(s)) {
+ TCGv_i64 tn = read_fp_dreg(s, a->rn);
+ TCGv_i64 tm = read_fp_dreg(s, a->rm);
+ TCGv_i64 ta = read_fp_dreg(s, a->ra);
+
+ if (neg_a) {
+ gen_vfp_negd(ta, ta);
+ }
+ if (neg_n) {
+ gen_vfp_negd(tn, tn);
+ }
+ fpst = fpstatus_ptr(FPST_FPCR);
+ gen_helper_vfp_muladdd(ta, tn, tm, ta, fpst);
+ write_fp_dreg(s, a->rd, ta);
+ }
+ break;
+
+ case MO_32:
+ if (fp_access_check(s)) {
+ TCGv_i32 tn = read_fp_sreg(s, a->rn);
+ TCGv_i32 tm = read_fp_sreg(s, a->rm);
+ TCGv_i32 ta = read_fp_sreg(s, a->ra);
+
+ if (neg_a) {
+ gen_vfp_negs(ta, ta);
+ }
+ if (neg_n) {
+ gen_vfp_negs(tn, tn);
+ }
+ fpst = fpstatus_ptr(FPST_FPCR);
+ gen_helper_vfp_muladds(ta, tn, tm, ta, fpst);
+ write_fp_sreg(s, a->rd, ta);
+ }
+ break;
+
+ case MO_16:
+ if (!dc_isar_feature(aa64_fp16, s)) {
+ return false;
+ }
+ if (fp_access_check(s)) {
+ TCGv_i32 tn = read_fp_hreg(s, a->rn);
+ TCGv_i32 tm = read_fp_hreg(s, a->rm);
+ TCGv_i32 ta = read_fp_hreg(s, a->ra);
+
+ if (neg_a) {
+ gen_vfp_negh(ta, ta);
+ }
+ if (neg_n) {
+ gen_vfp_negh(tn, tn);
+ }
+ fpst = fpstatus_ptr(FPST_FPCR_F16);
+ gen_helper_advsimd_muladdh(ta, tn, tm, ta, fpst);
+ write_fp_sreg(s, a->rd, ta);
+ }
+ break;
+
+ default:
+ return false;
+ }
+ return true;
+}
+
+TRANS(FMADD, do_fmadd, a, false, false)
+TRANS(FNMADD, do_fmadd, a, true, true)
+TRANS(FMSUB, do_fmadd, a, false, true)
+TRANS(FNMSUB, do_fmadd, a, true, false)
+
/* Shift a TCGv src by TCGv shift_amount, put result in dst.
* Note that it is the caller's responsibility to ensure that the
* shift amount is in range (ie 0..31 or 0..63) and provide the ARM
@@ -7665,152 +7747,6 @@ static void disas_fp_1src(DisasContext *s, uint32_t insn)
}
}
-/* Floating-point data-processing (3 source) - single precision */
-static void handle_fp_3src_single(DisasContext *s, bool o0, bool o1,
- int rd, int rn, int rm, int ra)
-{
- TCGv_i32 tcg_op1, tcg_op2, tcg_op3;
- TCGv_i32 tcg_res = tcg_temp_new_i32();
- TCGv_ptr fpst = fpstatus_ptr(FPST_FPCR);
-
- tcg_op1 = read_fp_sreg(s, rn);
- tcg_op2 = read_fp_sreg(s, rm);
- tcg_op3 = read_fp_sreg(s, ra);
-
- /* These are fused multiply-add, and must be done as one
- * floating point operation with no rounding between the
- * multiplication and addition steps.
- * NB that doing the negations here as separate steps is
- * correct : an input NaN should come out with its sign bit
- * flipped if it is a negated-input.
- */
- if (o1 == true) {
- gen_vfp_negs(tcg_op3, tcg_op3);
- }
-
- if (o0 != o1) {
- gen_vfp_negs(tcg_op1, tcg_op1);
- }
-
- gen_helper_vfp_muladds(tcg_res, tcg_op1, tcg_op2, tcg_op3, fpst);
-
- write_fp_sreg(s, rd, tcg_res);
-}
-
-/* Floating-point data-processing (3 source) - double precision */
-static void handle_fp_3src_double(DisasContext *s, bool o0, bool o1,
- int rd, int rn, int rm, int ra)
-{
- TCGv_i64 tcg_op1, tcg_op2, tcg_op3;
- TCGv_i64 tcg_res = tcg_temp_new_i64();
- TCGv_ptr fpst = fpstatus_ptr(FPST_FPCR);
-
- tcg_op1 = read_fp_dreg(s, rn);
- tcg_op2 = read_fp_dreg(s, rm);
- tcg_op3 = read_fp_dreg(s, ra);
-
- /* These are fused multiply-add, and must be done as one
- * floating point operation with no rounding between the
- * multiplication and addition steps.
- * NB that doing the negations here as separate steps is
- * correct : an input NaN should come out with its sign bit
- * flipped if it is a negated-input.
- */
- if (o1 == true) {
- gen_vfp_negd(tcg_op3, tcg_op3);
- }
-
- if (o0 != o1) {
- gen_vfp_negd(tcg_op1, tcg_op1);
- }
-
- gen_helper_vfp_muladdd(tcg_res, tcg_op1, tcg_op2, tcg_op3, fpst);
-
- write_fp_dreg(s, rd, tcg_res);
-}
-
-/* Floating-point data-processing (3 source) - half precision */
-static void handle_fp_3src_half(DisasContext *s, bool o0, bool o1,
- int rd, int rn, int rm, int ra)
-{
- TCGv_i32 tcg_op1, tcg_op2, tcg_op3;
- TCGv_i32 tcg_res = tcg_temp_new_i32();
- TCGv_ptr fpst = fpstatus_ptr(FPST_FPCR_F16);
-
- tcg_op1 = read_fp_hreg(s, rn);
- tcg_op2 = read_fp_hreg(s, rm);
- tcg_op3 = read_fp_hreg(s, ra);
-
- /* These are fused multiply-add, and must be done as one
- * floating point operation with no rounding between the
- * multiplication and addition steps.
- * NB that doing the negations here as separate steps is
- * correct : an input NaN should come out with its sign bit
- * flipped if it is a negated-input.
- */
- if (o1 == true) {
- tcg_gen_xori_i32(tcg_op3, tcg_op3, 0x8000);
- }
-
- if (o0 != o1) {
- tcg_gen_xori_i32(tcg_op1, tcg_op1, 0x8000);
- }
-
- gen_helper_advsimd_muladdh(tcg_res, tcg_op1, tcg_op2, tcg_op3, fpst);
-
- write_fp_sreg(s, rd, tcg_res);
-}
-
-/* Floating point data-processing (3 source)
- * 31 30 29 28 24 23 22 21 20 16 15 14 10 9 5 4 0
- * +---+---+---+-----------+------+----+------+----+------+------+------+
- * | M | 0 | S | 1 1 1 1 1 | type | o1 | Rm | o0 | Ra | Rn | Rd |
- * +---+---+---+-----------+------+----+------+----+------+------+------+
- */
-static void disas_fp_3src(DisasContext *s, uint32_t insn)
-{
- int mos = extract32(insn, 29, 3);
- int type = extract32(insn, 22, 2);
- int rd = extract32(insn, 0, 5);
- int rn = extract32(insn, 5, 5);
- int ra = extract32(insn, 10, 5);
- int rm = extract32(insn, 16, 5);
- bool o0 = extract32(insn, 15, 1);
- bool o1 = extract32(insn, 21, 1);
-
- if (mos) {
- unallocated_encoding(s);
- return;
- }
-
- switch (type) {
- case 0:
- if (!fp_access_check(s)) {
- return;
- }
- handle_fp_3src_single(s, o0, o1, rd, rn, rm, ra);
- break;
- case 1:
- if (!fp_access_check(s)) {
- return;
- }
- handle_fp_3src_double(s, o0, o1, rd, rn, rm, ra);
- break;
- case 3:
- if (!dc_isar_feature(aa64_fp16, s)) {
- unallocated_encoding(s);
- return;
- }
- if (!fp_access_check(s)) {
- return;
- }
- handle_fp_3src_half(s, o0, o1, rd, rn, rm, ra);
- break;
- default:
- unallocated_encoding(s);
- }
-}
-
/* Floating point immediate
* 31 30 29 28 24 23 22 21 20 13 12 10 9 5 4 0
* +---+---+---+-----------+------+---+------------+-------+------+------+
@@ -8255,8 +8191,7 @@ static void disas_fp_int_conv(DisasContext *s, uint32_t insn)
static void disas_data_proc_fp(DisasContext *s, uint32_t insn)
{
if (extract32(insn, 24, 1)) {
- /* Floating point data-processing (3 source) */
- disas_fp_3src(s, insn);
+ unallocated_encoding(s); /* in decodetree */
} else if (extract32(insn, 21, 1) == 0) {
/* Floating point to fixed point conversions */
disas_fp_fixed_conv(s, insn);
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 38/43] target/arm: Convert FCSEL to decodetree
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (36 preceding siblings ...)
2024-05-31 12:03 ` [PULL 37/43] target/arm: Convert FMADD, FMSUB, FNMADD, FNMSUB " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 39/43] target/arm: Disable SVE extensions when SVE is disabled Peter Maydell
` (5 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240528203044.612851-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/tcg/a64.decode | 4 ++
target/arm/tcg/translate-a64.c | 108 ++++++++++++++-------------------
2 files changed, 49 insertions(+), 63 deletions(-)
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 6f6cd805b71..5dadbc74d73 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -1000,6 +1000,10 @@ SQDMULH_vi 0.00 1111 10 . ..... 1100 . 0 ..... ..... @qrrx_s
SQRDMULH_vi 0.00 1111 01 .. .... 1101 . 0 ..... ..... @qrrx_h
SQRDMULH_vi 0.00 1111 10 . ..... 1101 . 0 ..... ..... @qrrx_s
+# Floating-point conditional select
+
+FCSEL 0001 1110 .. 1 rm:5 cond:4 11 rn:5 rd:5 esz=%esz_hsd
+
# Floating-point data-processing (3 source)
@rrrr_hsd .... .... .. . rm:5 . ra:5 rn:5 rd:5 &rrrr_e esz=%esz_hsd
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 78a2e6d6922..f1dea5834c4 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5866,6 +5866,50 @@ static bool trans_ADDP_s(DisasContext *s, arg_rr_e *a)
return true;
}
+/*
+ * Floating-point conditional select
+ */
+
+static bool trans_FCSEL(DisasContext *s, arg_FCSEL *a)
+{
+ TCGv_i64 t_true, t_false;
+ DisasCompare64 c;
+
+ switch (a->esz) {
+ case MO_32:
+ case MO_64:
+ break;
+ case MO_16:
+ if (!dc_isar_feature(aa64_fp16, s)) {
+ return false;
+ }
+ break;
+ default:
+ return false;
+ }
+
+ if (!fp_access_check(s)) {
+ return true;
+ }
+
+ /* Zero extend sreg & hreg inputs to 64 bits now. */
+ t_true = tcg_temp_new_i64();
+ t_false = tcg_temp_new_i64();
+ read_vec_element(s, t_true, a->rn, 0, a->esz);
+ read_vec_element(s, t_false, a->rm, 0, a->esz);
+
+ a64_test_cc(&c, a->cond);
+ tcg_gen_movcond_i64(c.cond, t_true, c.value, tcg_constant_i64(0),
+ t_true, t_false);
+
+ /*
+ * Note that sregs & hregs write back zeros to the high bits,
+ * and we've already done the zero-extension.
+ */
+ write_fp_dreg(s, a->rd, t_true);
+ return true;
+}
+
/*
* Floating-point data-processing (3 source)
*/
@@ -7332,68 +7376,6 @@ static void disas_fp_ccomp(DisasContext *s, uint32_t insn)
}
}
-/* Floating point conditional select
- * 31 30 29 28 24 23 22 21 20 16 15 12 11 10 9 5 4 0
- * +---+---+---+-----------+------+---+------+------+-----+------+------+
- * | M | 0 | S | 1 1 1 1 0 | type | 1 | Rm | cond | 1 1 | Rn | Rd |
- * +---+---+---+-----------+------+---+------+------+-----+------+------+
- */
-static void disas_fp_csel(DisasContext *s, uint32_t insn)
-{
- unsigned int mos, type, rm, cond, rn, rd;
- TCGv_i64 t_true, t_false;
- DisasCompare64 c;
- MemOp sz;
-
- mos = extract32(insn, 29, 3);
- type = extract32(insn, 22, 2);
- rm = extract32(insn, 16, 5);
- cond = extract32(insn, 12, 4);
- rn = extract32(insn, 5, 5);
- rd = extract32(insn, 0, 5);
-
- if (mos) {
- unallocated_encoding(s);
- return;
- }
-
- switch (type) {
- case 0:
- sz = MO_32;
- break;
- case 1:
- sz = MO_64;
- break;
- case 3:
- sz = MO_16;
- if (dc_isar_feature(aa64_fp16, s)) {
- break;
- }
- /* fallthru */
- default:
- unallocated_encoding(s);
- return;
- }
-
- if (!fp_access_check(s)) {
- return;
- }
-
- /* Zero extend sreg & hreg inputs to 64 bits now. */
- t_true = tcg_temp_new_i64();
- t_false = tcg_temp_new_i64();
- read_vec_element(s, t_true, rn, 0, sz);
- read_vec_element(s, t_false, rm, 0, sz);
-
- a64_test_cc(&c, cond);
- tcg_gen_movcond_i64(c.cond, t_true, c.value, tcg_constant_i64(0),
- t_true, t_false);
-
- /* Note that sregs & hregs write back zeros to the high bits,
- and we've already done the zero-extension. */
- write_fp_dreg(s, rd, t_true);
-}
-
/* Floating-point data-processing (1 source) - half precision */
static void handle_fp_1src_half(DisasContext *s, int opcode, int rd, int rn)
{
@@ -8207,7 +8189,7 @@ static void disas_data_proc_fp(DisasContext *s, uint32_t insn)
break;
case 3:
/* Floating point conditional select */
- disas_fp_csel(s, insn);
+ unallocated_encoding(s); /* in decodetree */
break;
case 0:
switch (ctz32(extract32(insn, 12, 4))) {
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 39/43] target/arm: Disable SVE extensions when SVE is disabled
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (37 preceding siblings ...)
2024-05-31 12:03 ` [PULL 38/43] target/arm: Convert FCSEL " Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 40/43] docs/system/target-arm: Re-alphabetize board list Peter Maydell
` (4 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2304
Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-id: 20240526204551.553282-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu64.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index c15d086049f..862d2b92fa4 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -109,7 +109,11 @@ void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp)
* No explicit bits enabled, and no implicit bits from sve-max-vq.
*/
if (!cpu_isar_feature(aa64_sve, cpu)) {
- /* SVE is disabled and so are all vector lengths. Good. */
+ /*
+ * SVE is disabled and so are all vector lengths. Good.
+ * Disable all SVE extensions as well.
+ */
+ cpu->isar.id_aa64zfr0 = 0;
return;
}
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 40/43] docs/system/target-arm: Re-alphabetize board list
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (38 preceding siblings ...)
2024-05-31 12:03 ` [PULL 39/43] target/arm: Disable SVE extensions when SVE is disabled Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:03 ` [PULL 41/43] accel/tcg: Make TCGCPUOps::cpu_exec_halt return bool for whether to halt Peter Maydell
` (3 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
The board list in target-arm.rst is supposed to be in alphabetical
order by the title text of each file (which is not the same as
alphabetical order by filename). A few items had got out of order;
correct them.
The entry for
"Facebook Yosemite v3.5 Platform and CraterLake Server (fby35)"
remains out-of-order, because this is not its own file
but is currently part of the aspeed.rst file.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240520141421.1895138-1-peter.maydell@linaro.org
---
docs/system/target-arm.rst | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst
index c9d7c0dda7e..870d30e3502 100644
--- a/docs/system/target-arm.rst
+++ b/docs/system/target-arm.rst
@@ -86,16 +86,16 @@ undocumented; you can get a complete list by running
arm/bananapi_m2u.rst
arm/b-l475e-iot01a.rst
arm/sabrelite
+ arm/highbank
arm/digic
arm/cubieboard
arm/emcraft-sf2
- arm/highbank
arm/musicpal
arm/gumstix
arm/mainstone
arm/kzm
- arm/nrf
arm/nseries
+ arm/nrf
arm/nuvoton
arm/imx25-pdk
arm/orangepi
@@ -107,8 +107,8 @@ undocumented; you can get a complete list by running
arm/stellaris
arm/stm32
arm/virt
- arm/xlnx-versal-virt
arm/xenpvh
+ arm/xlnx-versal-virt
Emulated CPU architecture support
=================================
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 41/43] accel/tcg: Make TCGCPUOps::cpu_exec_halt return bool for whether to halt
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (39 preceding siblings ...)
2024-05-31 12:03 ` [PULL 40/43] docs/system/target-arm: Re-alphabetize board list Peter Maydell
@ 2024-05-31 12:03 ` Peter Maydell
2024-05-31 12:04 ` [PULL 42/43] target/arm: Implement FEAT WFxT and enable for '-cpu max' Peter Maydell
` (2 subsequent siblings)
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:03 UTC (permalink / raw)
To: qemu-devel
The TCGCPUOps::cpu_exec_halt method is called from cpu_handle_halt()
when the CPU is halted, so that a target CPU emulation can do
anything target-specific it needs to do. (At the moment we only use
this on i386.)
The current specification of the method doesn't allow the target
specific code to do something different if the CPU is about to come
out of the halt state, because cpu_handle_halt() only determines this
after the method has returned. (If the method called cpu_has_work()
itself this would introduce a potential race if an interrupt arrived
between the target's method implementation checking and
cpu_handle_halt() repeating the check.)
Change the definition of the method so that it returns a bool to
tell cpu_handle_halt() whether to stay in halt or not.
We will want this for the Arm target, where FEAT_WFxT wants to do
some work only for the case where the CPU is in halt but about to
leave it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240430140035.3889879-2-peter.maydell@linaro.org
---
include/hw/core/tcg-cpu-ops.h | 15 +++++++++++++--
target/i386/tcg/helper-tcg.h | 2 +-
accel/tcg/cpu-exec.c | 7 +++++--
target/i386/tcg/sysemu/seg_helper.c | 3 ++-
4 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
index 9387d387484..099de3375e3 100644
--- a/include/hw/core/tcg-cpu-ops.h
+++ b/include/hw/core/tcg-cpu-ops.h
@@ -115,8 +115,19 @@ struct TCGCPUOps {
void (*do_interrupt)(CPUState *cpu);
/** @cpu_exec_interrupt: Callback for processing interrupts in cpu_exec */
bool (*cpu_exec_interrupt)(CPUState *cpu, int interrupt_request);
- /** @cpu_exec_halt: Callback for handling halt in cpu_exec */
- void (*cpu_exec_halt)(CPUState *cpu);
+ /**
+ * @cpu_exec_halt: Callback for handling halt in cpu_exec.
+ *
+ * The target CPU should do any special processing here that it needs
+ * to do when the CPU is in the halted state.
+ *
+ * Return true to indicate that the CPU should now leave halt, false
+ * if it should remain in the halted state.
+ *
+ * If this method is not provided, the default is to do nothing, and
+ * to leave halt if cpu_has_work() returns true.
+ */
+ bool (*cpu_exec_halt)(CPUState *cpu);
/**
* @tlb_fill: Handle a softmmu tlb miss
*
diff --git a/target/i386/tcg/helper-tcg.h b/target/i386/tcg/helper-tcg.h
index effc2c1c984..85957943bf3 100644
--- a/target/i386/tcg/helper-tcg.h
+++ b/target/i386/tcg/helper-tcg.h
@@ -39,7 +39,7 @@ QEMU_BUILD_BUG_ON(TCG_PHYS_ADDR_BITS > TARGET_PHYS_ADDR_SPACE_BITS);
*/
void x86_cpu_do_interrupt(CPUState *cpu);
#ifndef CONFIG_USER_ONLY
-void x86_cpu_exec_halt(CPUState *cpu);
+bool x86_cpu_exec_halt(CPUState *cpu);
bool x86_need_replay_interrupt(int interrupt_request);
bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
#endif
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 2972f75b963..6711b58e0b2 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -682,11 +682,14 @@ static inline bool cpu_handle_halt(CPUState *cpu)
#ifndef CONFIG_USER_ONLY
if (cpu->halted) {
const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
+ bool leave_halt;
if (tcg_ops->cpu_exec_halt) {
- tcg_ops->cpu_exec_halt(cpu);
+ leave_halt = tcg_ops->cpu_exec_halt(cpu);
+ } else {
+ leave_halt = cpu_has_work(cpu);
}
- if (!cpu_has_work(cpu)) {
+ if (!leave_halt) {
return true;
}
diff --git a/target/i386/tcg/sysemu/seg_helper.c b/target/i386/tcg/sysemu/seg_helper.c
index 2db8083748e..9ba94deb3aa 100644
--- a/target/i386/tcg/sysemu/seg_helper.c
+++ b/target/i386/tcg/sysemu/seg_helper.c
@@ -128,7 +128,7 @@ void x86_cpu_do_interrupt(CPUState *cs)
}
}
-void x86_cpu_exec_halt(CPUState *cpu)
+bool x86_cpu_exec_halt(CPUState *cpu)
{
if (cpu->interrupt_request & CPU_INTERRUPT_POLL) {
X86CPU *x86_cpu = X86_CPU(cpu);
@@ -138,6 +138,7 @@ void x86_cpu_exec_halt(CPUState *cpu)
cpu_reset_interrupt(cpu, CPU_INTERRUPT_POLL);
bql_unlock();
}
+ return cpu_has_work(cpu);
}
bool x86_need_replay_interrupt(int interrupt_request)
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 42/43] target/arm: Implement FEAT WFxT and enable for '-cpu max'
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (40 preceding siblings ...)
2024-05-31 12:03 ` [PULL 41/43] accel/tcg: Make TCGCPUOps::cpu_exec_halt return bool for whether to halt Peter Maydell
@ 2024-05-31 12:04 ` Peter Maydell
2024-05-31 12:04 ` [PULL 43/43] hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT Peter Maydell
2024-05-31 20:01 ` [PULL 00/43] target-arm queue Richard Henderson
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:04 UTC (permalink / raw)
To: qemu-devel
FEAT_WFxT introduces new instructions WFIT and WFET, which are like
the existing WFI and WFE but allow the guest to pass a timeout value
in a register. The instructions will wait for an interrupt/event as
usual, but will also stop waiting when the value of CNTVCT_EL0 is
greater than or equal to the specified timeout value.
We implement WFIT by setting up a timer to expire at the right
point; when the timer expires it sets the EXITTB interrupt, which
will cause the CPU to leave the halted state. If we come out of
halt for some other reason, we unset the pending timer.
We implement WFET as a nop, which is architecturally permitted and
matches the way we currently make WFE a nop.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240430140035.3889879-3-peter.maydell@linaro.org
---
docs/system/arm/emulation.rst | 1 +
target/arm/cpu-features.h | 5 ++++
target/arm/cpu.h | 3 ++
target/arm/helper.h | 1 +
target/arm/internals.h | 8 +++++
target/arm/tcg/a64.decode | 4 +++
target/arm/cpu.c | 40 +++++++++++++++++++++++++
target/arm/helper.c | 4 +--
target/arm/machine.c | 20 +++++++++++++
target/arm/tcg/cpu64.c | 1 +
target/arm/tcg/op_helper.c | 54 ++++++++++++++++++++++++++++++++++
target/arm/tcg/translate-a64.c | 41 ++++++++++++++++++++++++++
12 files changed, 180 insertions(+), 2 deletions(-)
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 7fcea54d8db..1a06a5feb6e 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -146,6 +146,7 @@ the following architecture extensions:
- FEAT_UAO (Unprivileged Access Override control)
- FEAT_VHE (Virtualization Host Extensions)
- FEAT_VMID16 (16-bit VMID)
+- FEAT_WFxT (WFE and WFI instructions with timeout)
- FEAT_XNX (Translation table stage 2 Unprivileged Execute-never)
For information on the specifics of these extensions, please refer
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index b300d0446d8..c59ca104fe1 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -571,6 +571,11 @@ static inline bool isar_feature_aa64_i8mm(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, I8MM) != 0;
}
+static inline bool isar_feature_aa64_wfxt(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, WFXT) >= 2;
+}
+
static inline bool isar_feature_aa64_hbc(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, BC) != 0;
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index c17264c2390..3841359d0f1 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -866,6 +866,9 @@ struct ArchCPU {
* pmu_op_finish() - it does not need other handling during migration
*/
QEMUTimer *pmu_timer;
+ /* Timer used for WFxT timeouts */
+ QEMUTimer *wfxt_timer;
+
/* GPIO outputs for generic timer */
qemu_irq gt_timer_outputs[NUM_GTIMERS];
/* GPIO output for GICv3 maintenance interrupt signal */
diff --git a/target/arm/helper.h b/target/arm/helper.h
index 24feecee9b4..eca2043fc2a 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -53,6 +53,7 @@ DEF_HELPER_2(exception_pc_alignment, noreturn, env, tl)
DEF_HELPER_1(setend, void, env)
DEF_HELPER_2(wfi, void, env, i32)
DEF_HELPER_1(wfe, void, env)
+DEF_HELPER_2(wfit, void, env, i64)
DEF_HELPER_1(yield, void, env)
DEF_HELPER_1(pre_hvc, void, env)
DEF_HELPER_2(pre_smc, void, env, i32)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index ee3ebd383e1..11b5da2562f 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1770,4 +1770,12 @@ bool check_watchpoint_in_range(int i, target_ulong addr);
CPUWatchpoint *find_hw_watchpoint(CPUState *cpu, target_ulong addr);
int insert_hw_watchpoint(target_ulong addr, target_ulong len, int type);
int delete_hw_watchpoint(target_ulong addr, target_ulong len, int type);
+
+/* Return the current value of the system counter in ticks */
+uint64_t gt_get_countervalue(CPUARMState *env);
+/*
+ * Return the currently applicable offset between the system counter
+ * and CNTVCT_EL0 (this will be either 0 or the value of CNTVOFF_EL2).
+ */
+uint64_t gt_virt_cnt_offset(CPUARMState *env);
#endif
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 5dadbc74d73..2b7a3254a0e 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -230,6 +230,10 @@ ERETA 1101011 0100 11111 00001 m:1 11111 11111 &reta # ERETAA, ERETAB
NOP 1101 0101 0000 0011 0010 ---- --- 11111
}
+# System instructions with register argument
+WFET 1101 0101 0000 0011 0001 0000 000 rd:5
+WFIT 1101 0101 0000 0011 0001 0000 001 rd:5
+
# Barriers
CLREX 1101 0101 0000 0011 0011 ---- 010 11111
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 77f8c9c7483..35fa281f1b9 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1132,6 +1132,35 @@ static bool arm_cpu_virtio_is_big_endian(CPUState *cs)
return arm_cpu_data_is_big_endian(env);
}
+#ifdef CONFIG_TCG
+static bool arm_cpu_exec_halt(CPUState *cs)
+{
+ bool leave_halt = cpu_has_work(cs);
+
+ if (leave_halt) {
+ /* We're about to come out of WFI/WFE: disable the WFxT timer */
+ ARMCPU *cpu = ARM_CPU(cs);
+ if (cpu->wfxt_timer) {
+ timer_del(cpu->wfxt_timer);
+ }
+ }
+ return leave_halt;
+}
+#endif
+
+static void arm_wfxt_timer_cb(void *opaque)
+{
+ ARMCPU *cpu = opaque;
+ CPUState *cs = CPU(cpu);
+
+ /*
+ * We expect the CPU to be halted; this will cause arm_cpu_is_work()
+ * to return true (so we will come out of halt even with no other
+ * pending interrupt), and the TCG accelerator's cpu_exec_interrupt()
+ * function auto-clears the CPU_INTERRUPT_EXITTB flag for us.
+ */
+ cpu_interrupt(cs, CPU_INTERRUPT_EXITTB);
+}
#endif
static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
@@ -1877,6 +1906,9 @@ static void arm_cpu_finalizefn(Object *obj)
if (cpu->pmu_timer) {
timer_free(cpu->pmu_timer);
}
+ if (cpu->wfxt_timer) {
+ timer_free(cpu->wfxt_timer);
+ }
#endif
}
@@ -2369,6 +2401,13 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
#endif
}
+#ifndef CONFIG_USER_ONLY
+ if (tcg_enabled() && cpu_isar_feature(aa64_wfxt, cpu)) {
+ cpu->wfxt_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
+ arm_wfxt_timer_cb, cpu);
+ }
+#endif
+
if (tcg_enabled()) {
/*
* Don't report some architectural features in the ID registers
@@ -2625,6 +2664,7 @@ static const TCGCPUOps arm_tcg_ops = {
#else
.tlb_fill = arm_cpu_tlb_fill,
.cpu_exec_interrupt = arm_cpu_exec_interrupt,
+ .cpu_exec_halt = arm_cpu_exec_halt,
.do_interrupt = arm_cpu_do_interrupt,
.do_transaction_failed = arm_cpu_do_transaction_failed,
.do_unaligned_access = arm_cpu_do_unaligned_access,
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 75876359608..ce319572354 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -2665,7 +2665,7 @@ static CPAccessResult gt_stimer_access(CPUARMState *env,
}
}
-static uint64_t gt_get_countervalue(CPUARMState *env)
+uint64_t gt_get_countervalue(CPUARMState *env)
{
ARMCPU *cpu = env_archcpu(env);
@@ -2800,7 +2800,7 @@ static uint64_t gt_cnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
return gt_get_countervalue(env) - gt_phys_cnt_offset(env);
}
-static uint64_t gt_virt_cnt_offset(CPUARMState *env)
+uint64_t gt_virt_cnt_offset(CPUARMState *env)
{
uint64_t hcr;
diff --git a/target/arm/machine.c b/target/arm/machine.c
index b2b39b24755..0a722ca7e75 100644
--- a/target/arm/machine.c
+++ b/target/arm/machine.c
@@ -242,6 +242,25 @@ static const VMStateDescription vmstate_irq_line_state = {
}
};
+static bool wfxt_timer_needed(void *opaque)
+{
+ ARMCPU *cpu = opaque;
+
+ /* We'll only have the timer object if FEAT_WFxT is implemented */
+ return cpu->wfxt_timer;
+}
+
+static const VMStateDescription vmstate_wfxt_timer = {
+ .name = "cpu/wfxt-timer",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = wfxt_timer_needed,
+ .fields = (const VMStateField[]) {
+ VMSTATE_TIMER_PTR(wfxt_timer, ARMCPU),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static bool m_needed(void *opaque)
{
ARMCPU *cpu = opaque;
@@ -957,6 +976,7 @@ const VMStateDescription vmstate_arm_cpu = {
#endif
&vmstate_serror,
&vmstate_irq_line_state,
+ &vmstate_wfxt_timer,
NULL
}
};
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index da41a44f75b..0899251eef4 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1168,6 +1168,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = cpu->isar.id_aa64isar2;
t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1); /* FEAT_MOPS */
t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1); /* FEAT_HBC */
+ t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2); /* FEAT_WFxT */
cpu->isar.id_aa64isar2 = t;
t = cpu->isar.id_aa64pfr0;
diff --git a/target/arm/tcg/op_helper.c b/target/arm/tcg/op_helper.c
index c199b69fbff..c083e5cfb87 100644
--- a/target/arm/tcg/op_helper.c
+++ b/target/arm/tcg/op_helper.c
@@ -409,6 +409,60 @@ void HELPER(wfi)(CPUARMState *env, uint32_t insn_len)
#endif
}
+void HELPER(wfit)(CPUARMState *env, uint64_t timeout)
+{
+#ifdef CONFIG_USER_ONLY
+ /*
+ * WFI in the user-mode emulator is technically permitted but not
+ * something any real-world code would do. AArch64 Linux kernels
+ * trap it via SCTRL_EL1.nTWI and make it an (expensive) NOP;
+ * AArch32 kernels don't trap it so it will delay a bit.
+ * For QEMU, make it NOP here, because trying to raise EXCP_HLT
+ * would trigger an abort.
+ */
+ return;
+#else
+ ARMCPU *cpu = env_archcpu(env);
+ CPUState *cs = env_cpu(env);
+ int target_el = check_wfx_trap(env, false);
+ /* The WFIT should time out when CNTVCT_EL0 >= the specified value. */
+ uint64_t cntval = gt_get_countervalue(env);
+ uint64_t offset = gt_virt_cnt_offset(env);
+ uint64_t cntvct = cntval - offset;
+ uint64_t nexttick;
+
+ if (cpu_has_work(cs) || cntvct >= timeout) {
+ /*
+ * Don't bother to go into our "low power state" if
+ * we would just wake up immediately.
+ */
+ return;
+ }
+
+ if (target_el) {
+ env->pc -= 4;
+ raise_exception(env, EXCP_UDEF, syn_wfx(1, 0xe, 0, false),
+ target_el);
+ }
+
+ if (uadd64_overflow(timeout, offset, &nexttick)) {
+ nexttick = UINT64_MAX;
+ }
+ if (nexttick > INT64_MAX / gt_cntfrq_period_ns(cpu)) {
+ /*
+ * If the timeout is too long for the signed 64-bit range
+ * of a QEMUTimer, let it expire early.
+ */
+ timer_mod_ns(cpu->wfxt_timer, INT64_MAX);
+ } else {
+ timer_mod(cpu->wfxt_timer, nexttick);
+ }
+ cs->exception_index = EXCP_HLT;
+ cs->halted = 1;
+ cpu_loop_exit(cs);
+#endif
+}
+
void HELPER(wfe)(CPUARMState *env)
{
/* This is a hint instruction that is semantically different
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index f1dea5834c4..93543da39cc 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -1745,6 +1745,47 @@ static bool trans_WFE(DisasContext *s, arg_WFI *a)
return true;
}
+static bool trans_WFIT(DisasContext *s, arg_WFIT *a)
+{
+ if (!dc_isar_feature(aa64_wfxt, s)) {
+ return false;
+ }
+
+ /*
+ * Because we need to pass the register value to the helper,
+ * it's easier to emit the code now, unlike trans_WFI which
+ * defers it to aarch64_tr_tb_stop(). That means we need to
+ * check ss_active so that single-stepping a WFIT doesn't halt.
+ */
+ if (s->ss_active) {
+ /* Act like a NOP under architectural singlestep */
+ return true;
+ }
+
+ gen_a64_update_pc(s, 4);
+ gen_helper_wfit(tcg_env, cpu_reg(s, a->rd));
+ /* Go back to the main loop to check for interrupts */
+ s->base.is_jmp = DISAS_EXIT;
+ return true;
+}
+
+static bool trans_WFET(DisasContext *s, arg_WFET *a)
+{
+ if (!dc_isar_feature(aa64_wfxt, s)) {
+ return false;
+ }
+
+ /*
+ * We rely here on our WFE implementation being a NOP, so we
+ * don't need to do anything different to handle the WFET timeout
+ * from what trans_WFE does.
+ */
+ if (!(tb_cflags(s->base.tb) & CF_PARALLEL)) {
+ s->base.is_jmp = DISAS_WFE;
+ }
+ return true;
+}
+
static bool trans_XPACLRI(DisasContext *s, arg_XPACLRI *a)
{
if (s->pauth_active) {
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* [PULL 43/43] hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (41 preceding siblings ...)
2024-05-31 12:04 ` [PULL 42/43] target/arm: Implement FEAT WFxT and enable for '-cpu max' Peter Maydell
@ 2024-05-31 12:04 ` Peter Maydell
2024-05-31 20:01 ` [PULL 00/43] target-arm queue Richard Henderson
43 siblings, 0 replies; 45+ messages in thread
From: Peter Maydell @ 2024-05-31 12:04 UTC (permalink / raw)
To: qemu-devel
From: David Hubbard <dmamfmgm@gmail.com>
This changes the ohci validation to not assert if invalid data is fed to the
ohci controller. The poc in https://bugs.launchpad.net/qemu/+bug/1907042 and
migrated to bug #303 does the following to feed it a SETUP pid (valid)
at an EndPt of 1 (invalid - all SETUP pids must be addressed to EndPt 0):
uint32_t MaxPacket = 64;
uint32_t TDFormat = 0;
uint32_t Skip = 0;
uint32_t Speed = 0;
uint32_t Direction = 0; /* #define OHCI_TD_DIR_SETUP 0 */
uint32_t EndPt = 1;
uint32_t FuncAddress = 0;
ed->attr = (MaxPacket << 16) | (TDFormat << 15) | (Skip << 14)
| (Speed << 13) | (Direction << 11) | (EndPt << 7)
| FuncAddress;
ed->tailp = /*TDQTailPntr= */ 0;
ed->headp = ((/*TDQHeadPntr= */ &td[0]) & 0xfffffff0)
| (/* ToggleCarry= */ 0 << 1);
ed->next_ed = (/* NextED= */ 0 & 0xfffffff0)
qemu-fuzz also caught the same issue in #1510. They are both fixed by this
patch.
With a tiny OS[1] that boots and executes the poc the repro shows the issue:
* OS that sends USB requests to a USB mass storage device
but sends a SETUP with EndPt = 1
* qemu 6.2.0 (Debian 1:6.2+dfsg-2ubuntu6.19)
* qemu HEAD (4e66a0854)
* Actual OHCI controller (hardware)
Command line:
qemu-system-x86_64 -m 20 \
-device pci-ohci,id=ohci \
-drive if=none,format=raw,id=d,file=testmbr.raw \
-device usb-storage,bus=ohci.0,drive=d \
--trace "usb_*" --trace "ohci_*" -D qemu.log
Results are:
qemu 6.2.0 | qemu HEAD | actual HW
------------+-----------+----------------
assertion | assertion | sets stall bit
The assertion message is:
> qemu-system-x86_64: ../../hw/usb/core.c:744: usb_ep_get: Assertion `pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT' failed.
> Aborted (core dumped)
Tip: if the flags "-serial pty -serial stdio" are added to the command line
the poc outputs its USB requests like this:
> Free mem 2M ohci port0 conn FS
> setup { 80 6 0 1 0 0 8 0 }
> ED info=80000 { mps=8 en=0 d=0 } tail=c20920
> td0 c20880 nxt=c20960 f2000000 setup cbp=c20900 be=c20907 cbp=0 be=c20907
> td1 c20960 nxt=c20980 f3140000 in cbp=c20908 be=c2090f cbp=0 be=c2090f
> td2 c20980 nxt=c20920 f3080000 out cbp=0 be=0 cbp=0 be=0
> rx { 12 1 0 2 0 0 0 8 }
> setup { 0 5 1 0 0 0 0 0 } tx {}
> ED info=80000 { mps=8 en=0 d=0 } tail=c20880
> td0 c20920 nxt=c20960 f2000000 setup cbp=c20900 be=c20907 cbp=0 be=c20907
> td1 c20960 nxt=c20880 f3100000 in cbp=0 be=0 cbp=0 be=0
> setup { 80 6 0 1 0 0 12 0 }
> ED info=80081 { mps=8 en=0 d=1 } tail=c20960
> td0 c20880 nxt=c209c0 f2000000 setup cbp=c20920 be=c20927
> td1 c209c0 nxt=c209e0 f3140000 in cbp=c20928 be=c20939
> td2 c209e0 nxt=c20960 f3080000 out cbp=0 be=0qemu-system-x86_64: ../../hw/usb/core.c:744: usb_ep_get: Assertion `pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT' failed.
> Aborted (core dumped)
[1] The OS disk image has been emailed to philmd@linaro.org, mjt@tls.msk.ru,
and kraxel@redhat.com:
* testBadSetup.img.xz
* sha256: 045b43f4396de02b149518358bf8025d5ba11091e86458875339fc649e6e5ac6
Signed-off-by: David Hubbard <dmamfmgm@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: authorship and signed-off-by tag names fixed up as
per on-list agreement]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/usb/hcd-ohci.c | 5 +++++
hw/usb/trace-events | 1 +
2 files changed, 6 insertions(+)
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index fc8fc91a1d1..acd60169802 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -927,6 +927,11 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
case OHCI_TD_DIR_SETUP:
str = "setup";
pid = USB_TOKEN_SETUP;
+ if (OHCI_BM(ed->flags, ED_EN) > 0) { /* setup only allowed to ep 0 */
+ trace_usb_ohci_td_bad_pid(str, ed->flags, td.flags);
+ ohci_die(ohci);
+ return 1;
+ }
break;
default:
trace_usb_ohci_td_bad_direction(dir);
diff --git a/hw/usb/trace-events b/hw/usb/trace-events
index ed7dc210d3f..fd7b90d70c0 100644
--- a/hw/usb/trace-events
+++ b/hw/usb/trace-events
@@ -28,6 +28,7 @@ usb_ohci_iso_td_data_overrun(int ret, ssize_t len) "DataOverrun %d > %zu"
usb_ohci_iso_td_data_underrun(int ret) "DataUnderrun %d"
usb_ohci_iso_td_nak(int ret) "got NAK/STALL %d"
usb_ohci_iso_td_bad_response(int ret) "Bad device response %d"
+usb_ohci_td_bad_pid(const char *s, uint32_t edf, uint32_t tdf) "Bad pid %s: ed.flags 0x%x td.flags 0x%x"
usb_ohci_port_attach(int index) "port #%d"
usb_ohci_port_detach(int index) "port #%d"
usb_ohci_port_wakeup(int index) "port #%d"
--
2.34.1
^ permalink raw reply related [flat|nested] 45+ messages in thread* Re: [PULL 00/43] target-arm queue
2024-05-31 12:03 [PULL 00/43] target-arm queue Peter Maydell
` (42 preceding siblings ...)
2024-05-31 12:04 ` [PULL 43/43] hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT Peter Maydell
@ 2024-05-31 20:01 ` Richard Henderson
43 siblings, 0 replies; 45+ messages in thread
From: Richard Henderson @ 2024-05-31 20:01 UTC (permalink / raw)
To: Peter Maydell, qemu-devel
On 5/31/24 05:03, Peter Maydell wrote:
> The following changes since commit 3b2fe44bb7f605f179e5e7feb2c13c2eb3abbb80:
>
> Merge tag 'pull-request-2024-05-29' ofhttps://gitlab.com/thuth/qemu into staging (2024-05-29 08:38:20 -0700)
>
> are available in the Git repository at:
>
> https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20240531
>
> for you to fetch changes up to 3c3c233677d4f2fe5f35c5d6d6e9b53df48054f4:
>
> hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT (2024-05-31 11:26:00 +0100)
>
> ----------------------------------------------------------------
> target-arm:
> * hw/intc/arm_gic: Fix set pending of PPIs
> * hw/intc/arm_gic: Fix writes to GICD_ITARGETSRn
> * xilinx_zynq: Add cache controller
> * xilinx_zynq: Support up to two CPU cores
> * tests/avocado: update sbsa-ref firmware
> * sbsa-ref: move to Neoverse-N2 as default
> * More decodetree conversion of A64 ASIMD insns
> * docs/system/target-arm: Re-alphabetize board list
> * Implement FEAT WFxT and enable for '-cpu max'
> * hw/usb/hcd-ohci: Fix #1510, #303: pid not IN or OUT
Applied, thanks. Please update https://wiki.qemu.org/ChangeLog/9.1 as appropriate.
r~
^ permalink raw reply [flat|nested] 45+ messages in thread