From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: edgar.iglesias@gmail.com
Subject: [PATCH 39/77] target/microblaze: Convert dec_pattern to decodetree
Date: Tue, 25 Aug 2020 13:59:12 -0700 [thread overview]
Message-ID: <20200825205950.730499-40-richard.henderson@linaro.org> (raw)
In-Reply-To: <20200825205950.730499-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/microblaze/insns.decode | 4 ++
target/microblaze/translate.c | 67 +++++++++-------------------------
2 files changed, 22 insertions(+), 49 deletions(-)
diff --git a/target/microblaze/insns.decode b/target/microblaze/insns.decode
index 3f5f7b1852..8d3de039fb 100644
--- a/target/microblaze/insns.decode
+++ b/target/microblaze/insns.decode
@@ -41,6 +41,10 @@ addikc 001110 ..... ..... ................ @typeb
cmp 000101 ..... ..... ..... 000 0000 0001 @typea
cmpu 000101 ..... ..... ..... 000 0000 0011 @typea
+pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea
+pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea
+pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea
+
rsub 000001 ..... ..... ..... 000 0000 0000 @typea
rsubc 000011 ..... ..... ..... 000 0000 0000 @typea
rsubk 000101 ..... ..... ..... 000 0000 0000 @typea
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index ce91645f05..de2cf5b153 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -279,6 +279,10 @@ static bool do_typeb_val(DisasContext *dc, arg_typeb *arg, bool side_effects,
static bool trans_##NAME(DisasContext *dc, arg_typea *a) \
{ return do_typea(dc, a, SE, FN); }
+#define DO_TYPEA_CFG(NAME, CFG, SE, FN) \
+ static bool trans_##NAME(DisasContext *dc, arg_typea *a) \
+ { return dc->cpu->cfg.CFG && do_typea(dc, a, SE, FN); }
+
#define DO_TYPEBI(NAME, SE, FNI) \
static bool trans_##NAME(DisasContext *dc, arg_typeb *a) \
{ return do_typeb_imm(dc, a, SE, FNI); }
@@ -350,6 +354,20 @@ static void gen_cmpu(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
DO_TYPEA(cmp, false, gen_cmp)
DO_TYPEA(cmpu, false, gen_cmpu)
+static void gen_pcmpeq(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
+{
+ tcg_gen_setcond_i32(TCG_COND_EQ, out, ina, inb);
+}
+
+static void gen_pcmpne(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
+{
+ tcg_gen_setcond_i32(TCG_COND_NE, out, ina, inb);
+}
+
+DO_TYPEA_CFG(pcmpbf, use_pcmp_instr, false, gen_helper_pcmpbf)
+DO_TYPEA_CFG(pcmpeq, use_pcmp_instr, false, gen_pcmpeq)
+DO_TYPEA_CFG(pcmpne, use_pcmp_instr, false, gen_pcmpne)
+
/* No input carry, but output carry. */
static void gen_rsub(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
{
@@ -399,49 +417,10 @@ DO_TYPEBV(rsubic, true, gen_rsubc)
DO_TYPEBV(rsubik, false, gen_rsubk)
DO_TYPEBV(rsubikc, true, gen_rsubkc)
-static void dec_pattern(DisasContext *dc)
-{
- unsigned int mode;
-
- if (trap_illegal(dc, !dc->cpu->cfg.use_pcmp_instr)) {
- return;
- }
-
- mode = dc->opcode & 3;
- switch (mode) {
- case 0:
- /* pcmpbf. */
- if (dc->rd)
- gen_helper_pcmpbf(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
- break;
- case 2:
- if (dc->rd) {
- tcg_gen_setcond_i32(TCG_COND_EQ, cpu_R[dc->rd],
- cpu_R[dc->ra], cpu_R[dc->rb]);
- }
- break;
- case 3:
- if (dc->rd) {
- tcg_gen_setcond_i32(TCG_COND_NE, cpu_R[dc->rd],
- cpu_R[dc->ra], cpu_R[dc->rb]);
- }
- break;
- default:
- cpu_abort(CPU(dc->cpu),
- "unsupported pattern insn opcode=%x\n", dc->opcode);
- break;
- }
-}
-
static void dec_and(DisasContext *dc)
{
unsigned int not;
- if (!dc->type_b && (dc->imm & (1 << 10))) {
- dec_pattern(dc);
- return;
- }
-
not = dc->opcode & (1 << 1);
if (!dc->rd)
@@ -455,22 +434,12 @@ static void dec_and(DisasContext *dc)
static void dec_or(DisasContext *dc)
{
- if (!dc->type_b && (dc->imm & (1 << 10))) {
- dec_pattern(dc);
- return;
- }
-
if (dc->rd)
tcg_gen_or_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
static void dec_xor(DisasContext *dc)
{
- if (!dc->type_b && (dc->imm & (1 << 10))) {
- dec_pattern(dc);
- return;
- }
-
if (dc->rd)
tcg_gen_xor_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
--
2.25.1
next prev parent reply other threads:[~2020-08-25 21:28 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-25 20:58 [PATCH 00/77] target/microblaze improvements Richard Henderson
2020-08-25 20:58 ` [PATCH 01/77] tests/tcg: Add microblaze to arches filter Richard Henderson
2020-08-26 16:20 ` Edgar E. Iglesias
2020-08-25 20:58 ` [PATCH 02/77] tests/tcg: Do not require FE_TOWARDZERO Richard Henderson
2020-08-26 16:20 ` Edgar E. Iglesias
2020-08-25 20:58 ` [PATCH 03/77] tests/tcg: Do not require FE_* exception bits Richard Henderson
2020-08-26 16:21 ` Edgar E. Iglesias
2020-08-25 20:58 ` [PATCH 04/77] target/microblaze: Tidy gdbstub Richard Henderson
2020-08-25 20:58 ` [PATCH 05/77] target/microblaze: Split out PC from env->sregs Richard Henderson
2020-08-25 20:58 ` [PATCH 06/77] target/microblaze: Split out MSR " Richard Henderson
2020-08-25 20:58 ` [PATCH 07/77] target/microblaze: Split out EAR " Richard Henderson
2020-08-25 20:58 ` [PATCH 08/77] target/microblaze: Split out ESR " Richard Henderson
2020-08-25 20:58 ` [PATCH 09/77] target/microblaze: Split out FSR " Richard Henderson
2020-08-25 20:58 ` [PATCH 10/77] target/microblaze: Split out BTR " Richard Henderson
2020-08-25 20:58 ` [PATCH 11/77] target/microblaze: Split out EDR " Richard Henderson
2020-08-25 20:58 ` [PATCH 12/77] target/microblaze: Split the cpu_SR array Richard Henderson
2020-08-25 20:58 ` [PATCH 13/77] target/microblaze: Fix width of PC and BTARGET Richard Henderson
2020-08-25 20:58 ` [PATCH 14/77] target/microblaze: Fix width of MSR Richard Henderson
2020-08-25 20:58 ` [PATCH 15/77] target/microblaze: Fix width of ESR Richard Henderson
2020-08-25 20:58 ` [PATCH 16/77] target/microblaze: Fix width of FSR Richard Henderson
2020-08-25 20:58 ` [PATCH 17/77] target/microblaze: Fix width of BTR Richard Henderson
2020-08-25 20:58 ` [PATCH 18/77] target/microblaze: Fix width of EDR Richard Henderson
2020-08-25 20:58 ` [PATCH 19/77] target/microblaze: Remove cpu_ear Richard Henderson
2020-08-25 20:58 ` [PATCH 20/77] target/microblaze: Tidy raising of exceptions Richard Henderson
2020-08-25 20:58 ` [PATCH 21/77] target/microblaze: Mark raise_exception as noreturn Richard Henderson
2020-08-25 20:58 ` [PATCH 22/77] target/microblaze: Remove helper_debug and env->debug Richard Henderson
2020-08-25 20:58 ` [PATCH 23/77] target/microblaze: Rename env_* tcg variables to cpu_* Richard Henderson
2020-08-25 20:58 ` [PATCH 24/77] target/microblaze: Tidy mb_tcg_init Richard Henderson
2020-08-25 20:58 ` [PATCH 25/77] target/microblaze: Split out MSR[C] to its own variable Richard Henderson
2020-08-25 20:58 ` [PATCH 26/77] target/microblaze: Use DISAS_NORETURN Richard Henderson
2020-08-25 20:59 ` [PATCH 27/77] target/microblaze: Check singlestep_enabled in gen_goto_tb Richard Henderson
2020-08-25 20:59 ` [PATCH 28/77] target/microblaze: Convert to DisasContextBase Richard Henderson
2020-08-25 20:59 ` [PATCH 29/77] target/microblaze: Convert to translator_loop Richard Henderson
2020-08-25 20:59 ` [PATCH 30/77] target/microblaze: Remove SIM_COMPAT Richard Henderson
2020-08-25 20:59 ` [PATCH 31/77] target/microblaze: Remove DISAS_GNU Richard Henderson
2020-08-25 20:59 ` [PATCH 32/77] target/microblaze: Remove empty D macros Richard Henderson
2020-08-25 20:59 ` [PATCH 33/77] target/microblaze: Remove LOG_DIS Richard Henderson
2020-08-25 20:59 ` [PATCH 34/77] target/microblaze: Ensure imm constant is always available Richard Henderson
2020-08-25 20:59 ` [PATCH 35/77] target/microblaze: Add decodetree infrastructure Richard Henderson
2020-08-25 20:59 ` [PATCH 36/77] target/microblaze: Convert dec_add to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 37/77] target/microblaze: Convert dec_sub " Richard Henderson
2020-08-25 20:59 ` [PATCH 38/77] target/microblaze: Implement cmp and cmpu inline Richard Henderson
2020-08-25 20:59 ` Richard Henderson [this message]
2020-08-25 20:59 ` [PATCH 40/77] target/microblaze: Convert dec_and, dec_or, dec_xor to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 41/77] target/microblaze: Convert dec_mul " Richard Henderson
2020-08-25 20:59 ` [PATCH 42/77] target/microblaze: Convert dec_div " Richard Henderson
2020-08-25 20:59 ` [PATCH 43/77] target/microblaze: Unwind properly when raising divide-by-zero Richard Henderson
2020-08-25 20:59 ` [PATCH 44/77] target/microblaze: Convert dec_bit to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 45/77] target/microblaze: Convert dec_barrel " Richard Henderson
2020-08-25 20:59 ` [PATCH 46/77] target/microblaze: Convert dec_imm " Richard Henderson
2020-08-25 20:59 ` [PATCH 47/77] target/microblaze: Convert dec_fpu " Richard Henderson
2020-08-25 20:59 ` [PATCH 48/77] target/microblaze: Fix cpu unwind for fpu exceptions Richard Henderson
2020-08-25 20:59 ` [PATCH 49/77] target/microblaze: Mark fpu helpers TCG_CALL_NO_WG Richard Henderson
2020-08-25 20:59 ` [PATCH 50/77] target/microblaze: Replace MSR_EE_FLAG with MSR_EE Richard Henderson
2020-08-25 20:59 ` [PATCH 51/77] target/microblaze: Cache mem_index in DisasContext Richard Henderson
2020-08-25 20:59 ` [PATCH 52/77] target/microblaze: Fix cpu unwind for stackprot Richard Henderson
2020-08-25 20:59 ` [PATCH 53/77] target/microblaze: Convert dec_load and dec_store to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 54/77] target/microblaze: Assert no overlap in flags making up tb_flags Richard Henderson
2020-08-25 20:59 ` [PATCH 55/77] target/microblaze: Move bimm to BIMM_FLAG Richard Henderson
2020-08-25 20:59 ` [PATCH 56/77] target/microblaze: Store "current" iflags in insn_start Richard Henderson
2020-08-25 20:59 ` [PATCH 57/77] tcg: Add tcg_get_insn_start_param Richard Henderson
2020-08-25 20:59 ` [PATCH 58/77] target/microblaze: Use cc->do_unaligned_access Richard Henderson
2020-08-25 20:59 ` [PATCH 59/77] target/microblaze: Replace clear_imm with tb_flags_to_set Richard Henderson
2020-08-25 20:59 ` [PATCH 60/77] target/microblaze: Replace delayed_branch " Richard Henderson
2020-08-25 20:59 ` [PATCH 61/77] target/microblaze: Tidy mb_cpu_dump_state Richard Henderson
2020-08-25 20:59 ` [PATCH 62/77] target/microblaze: Try to keep imm and delay slot together Richard Henderson
2020-08-27 19:17 ` Edgar E. Iglesias
2020-08-27 21:33 ` Richard Henderson
2020-08-29 15:27 ` Richard Henderson
2020-08-25 20:59 ` [PATCH 63/77] target/microblaze: Convert brk and brki to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 64/77] target/microblaze: Convert mbar " Richard Henderson
2020-08-27 9:24 ` Edgar E. Iglesias
2020-08-27 9:58 ` Richard Henderson
2020-08-27 10:08 ` Edgar E. Iglesias
2020-08-27 11:11 ` Richard Henderson
2020-08-25 20:59 ` [PATCH 65/77] target/microblaze: Reorganize branching Richard Henderson
2020-08-25 20:59 ` [PATCH 66/77] target/microblaze: Use tcg_gen_lookup_and_goto_ptr Richard Henderson
2020-08-28 6:33 ` Edgar E. Iglesias
2020-08-28 13:32 ` Richard Henderson
2020-08-25 20:59 ` [PATCH 67/77] target/microblaze: Convert dec_br to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 68/77] target/microblaze: Convert dec_bcc " Richard Henderson
2020-08-25 20:59 ` [PATCH 69/77] target/microblaze: Convert dec_rts " Richard Henderson
2020-08-25 20:59 ` [PATCH 70/77] target/microblaze: Tidy do_rti, do_rtb, do_rte Richard Henderson
2020-08-25 20:59 ` [PATCH 71/77] target/microblaze: Convert msrclr, msrset to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 72/77] target/microblaze: Convert dec_msr " Richard Henderson
2020-08-25 20:59 ` [PATCH 73/77] target/microblaze: Convert dec_stream " Richard Henderson
2020-08-27 21:10 ` Edgar E. Iglesias
2020-08-27 21:12 ` Richard Henderson
2020-08-25 20:59 ` [PATCH 74/77] target/microblaze: Remove last of old decoder Richard Henderson
2020-08-25 20:59 ` [PATCH 75/77] target/microblaze: Remove cpu_R[0] Richard Henderson
2020-08-25 20:59 ` [PATCH 76/77] target/microblaze: Add flags markup to some helpers Richard Henderson
2020-08-25 20:59 ` [PATCH 77/77] target/microblaze: Reduce linux-user address space to 32-bit Richard Henderson
2020-08-26 15:27 ` [PATCH 00/77] target/microblaze improvements Edgar E. Iglesias
2020-08-26 18:07 ` Edgar E. Iglesias
2020-08-27 9:11 ` Edgar E. Iglesias
2020-08-27 10:01 ` Richard Henderson
2020-08-27 10:22 ` Edgar E. Iglesias
2020-08-27 11:19 ` Richard Henderson
2020-08-27 17:09 ` Edgar E. Iglesias
2020-08-28 13:36 ` Richard Henderson
2020-08-28 14:04 ` Edgar E. Iglesias
2020-08-28 13:19 ` Edgar E. Iglesias
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