From: WANG Xuerui <git@xen0n.name>
To: qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"XiaoJuan Yang" <yangxiaojuan@loongson.cn>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"Laurent Vivier" <laurent@vivier.eu>,
"WANG Xuerui" <git@xen0n.name>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Song Gao" <gaosong@loongson.cn>
Subject: [PATCH v11 22/31] tcg/loongarch64: Implement simple load/store ops
Date: Tue, 21 Dec 2021 13:40:56 +0800 [thread overview]
Message-ID: <20211221054105.178795-23-git@xen0n.name> (raw)
In-Reply-To: <20211221054105.178795-1-git@xen0n.name>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
tcg/loongarch64/tcg-target-con-set.h | 1 +
tcg/loongarch64/tcg-target.c.inc | 131 +++++++++++++++++++++++++++
2 files changed, 132 insertions(+)
diff --git a/tcg/loongarch64/tcg-target-con-set.h b/tcg/loongarch64/tcg-target-con-set.h
index a2ec61237e..e54ca9b2de 100644
--- a/tcg/loongarch64/tcg-target-con-set.h
+++ b/tcg/loongarch64/tcg-target-con-set.h
@@ -15,6 +15,7 @@
* tcg-target-con-str.h; the constraint combination is inclusive or.
*/
C_O0_I1(r)
+C_O0_I2(rZ, r)
C_O0_I2(rZ, rZ)
C_O1_I1(r, r)
C_O1_I2(r, r, rC)
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 151d3308ea..3d1d7c33c0 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -565,6 +565,73 @@ static void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg)
tcg_out_call_int(s, arg, false);
}
+/*
+ * Load/store helpers
+ */
+
+static void tcg_out_ldst(TCGContext *s, LoongArchInsn opc, TCGReg data,
+ TCGReg addr, intptr_t offset)
+{
+ intptr_t imm12 = sextreg(offset, 0, 12);
+
+ if (offset != imm12) {
+ intptr_t diff = offset - (uintptr_t)s->code_ptr;
+
+ if (addr == TCG_REG_ZERO && diff == (int32_t)diff) {
+ imm12 = sextreg(diff, 0, 12);
+ tcg_out_opc_pcaddu12i(s, TCG_REG_TMP2, (diff - imm12) >> 12);
+ } else {
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP2, offset - imm12);
+ if (addr != TCG_REG_ZERO) {
+ tcg_out_opc_add_d(s, TCG_REG_TMP2, TCG_REG_TMP2, addr);
+ }
+ }
+ addr = TCG_REG_TMP2;
+ }
+
+ switch (opc) {
+ case OPC_LD_B:
+ case OPC_LD_BU:
+ case OPC_LD_H:
+ case OPC_LD_HU:
+ case OPC_LD_W:
+ case OPC_LD_WU:
+ case OPC_LD_D:
+ case OPC_ST_B:
+ case OPC_ST_H:
+ case OPC_ST_W:
+ case OPC_ST_D:
+ tcg_out32(s, encode_djsk12_insn(opc, data, addr, imm12));
+ break;
+ default:
+ g_assert_not_reached();
+ }
+}
+
+static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg arg,
+ TCGReg arg1, intptr_t arg2)
+{
+ bool is_32bit = type == TCG_TYPE_I32;
+ tcg_out_ldst(s, is_32bit ? OPC_LD_W : OPC_LD_D, arg, arg1, arg2);
+}
+
+static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg,
+ TCGReg arg1, intptr_t arg2)
+{
+ bool is_32bit = type == TCG_TYPE_I32;
+ tcg_out_ldst(s, is_32bit ? OPC_ST_W : OPC_ST_D, arg, arg1, arg2);
+}
+
+static bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val,
+ TCGReg base, intptr_t ofs)
+{
+ if (val == 0) {
+ tcg_out_st(s, type, TCG_REG_ZERO, base, ofs);
+ return true;
+ }
+ return false;
+}
+
/*
* Entry-points
*/
@@ -913,6 +980,49 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_setcond(s, args[3], a0, a1, a2, c2);
break;
+ case INDEX_op_ld8s_i32:
+ case INDEX_op_ld8s_i64:
+ tcg_out_ldst(s, OPC_LD_B, a0, a1, a2);
+ break;
+ case INDEX_op_ld8u_i32:
+ case INDEX_op_ld8u_i64:
+ tcg_out_ldst(s, OPC_LD_BU, a0, a1, a2);
+ break;
+ case INDEX_op_ld16s_i32:
+ case INDEX_op_ld16s_i64:
+ tcg_out_ldst(s, OPC_LD_H, a0, a1, a2);
+ break;
+ case INDEX_op_ld16u_i32:
+ case INDEX_op_ld16u_i64:
+ tcg_out_ldst(s, OPC_LD_HU, a0, a1, a2);
+ break;
+ case INDEX_op_ld_i32:
+ case INDEX_op_ld32s_i64:
+ tcg_out_ldst(s, OPC_LD_W, a0, a1, a2);
+ break;
+ case INDEX_op_ld32u_i64:
+ tcg_out_ldst(s, OPC_LD_WU, a0, a1, a2);
+ break;
+ case INDEX_op_ld_i64:
+ tcg_out_ldst(s, OPC_LD_D, a0, a1, a2);
+ break;
+
+ case INDEX_op_st8_i32:
+ case INDEX_op_st8_i64:
+ tcg_out_ldst(s, OPC_ST_B, a0, a1, a2);
+ break;
+ case INDEX_op_st16_i32:
+ case INDEX_op_st16_i64:
+ tcg_out_ldst(s, OPC_ST_H, a0, a1, a2);
+ break;
+ case INDEX_op_st_i32:
+ case INDEX_op_st32_i64:
+ tcg_out_ldst(s, OPC_ST_W, a0, a1, a2);
+ break;
+ case INDEX_op_st_i64:
+ tcg_out_ldst(s, OPC_ST_D, a0, a1, a2);
+ break;
+
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
case INDEX_op_call: /* Always emitted via tcg_out_call. */
@@ -927,6 +1037,15 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_goto_ptr:
return C_O0_I1(r);
+ case INDEX_op_st8_i32:
+ case INDEX_op_st8_i64:
+ case INDEX_op_st16_i32:
+ case INDEX_op_st16_i64:
+ case INDEX_op_st32_i64:
+ case INDEX_op_st_i32:
+ case INDEX_op_st_i64:
+ return C_O0_I2(rZ, r);
+
case INDEX_op_brcond_i32:
case INDEX_op_brcond_i64:
return C_O0_I2(rZ, rZ);
@@ -954,6 +1073,18 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_bswap32_i32:
case INDEX_op_bswap32_i64:
case INDEX_op_bswap64_i64:
+ case INDEX_op_ld8s_i32:
+ case INDEX_op_ld8s_i64:
+ case INDEX_op_ld8u_i32:
+ case INDEX_op_ld8u_i64:
+ case INDEX_op_ld16s_i32:
+ case INDEX_op_ld16s_i64:
+ case INDEX_op_ld16u_i32:
+ case INDEX_op_ld16u_i64:
+ case INDEX_op_ld32s_i64:
+ case INDEX_op_ld32u_i64:
+ case INDEX_op_ld_i32:
+ case INDEX_op_ld_i64:
return C_O1_I1(r, r);
case INDEX_op_andc_i32:
--
2.34.0
next prev parent reply other threads:[~2021-12-21 6:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-21 5:40 [PATCH v11 00/31] LoongArch64 port of QEMU TCG WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 01/31] elf: Add machine type value for LoongArch WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 02/31] MAINTAINERS: Add tcg/loongarch64 entry with myself as maintainer WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 03/31] tcg/loongarch64: Add the tcg-target.h file WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 04/31] tcg/loongarch64: Add generated instruction opcodes and encoding helpers WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 05/31] tcg/loongarch64: Add register names, allocation order and input/output sets WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 06/31] tcg/loongarch64: Define the operand constraints WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 07/31] tcg/loongarch64: Implement necessary relocation operations WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 08/31] tcg/loongarch64: Implement the memory barrier op WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 09/31] tcg/loongarch64: Implement tcg_out_mov and tcg_out_movi WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 10/31] tcg/loongarch64: Implement goto_ptr WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 11/31] tcg/loongarch64: Implement sign-/zero-extension ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 12/31] tcg/loongarch64: Implement not/and/or/xor/nor/andc/orc ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 13/31] tcg/loongarch64: Implement deposit/extract ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 14/31] tcg/loongarch64: Implement bswap{16,32,64} ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 15/31] tcg/loongarch64: Implement clz/ctz ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 16/31] tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 17/31] tcg/loongarch64: Implement add/sub ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 18/31] tcg/loongarch64: Implement mul/mulsh/muluh/div/divu/rem/remu ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 19/31] tcg/loongarch64: Implement br/brcond ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 20/31] tcg/loongarch64: Implement setcond ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 21/31] tcg/loongarch64: Implement tcg_out_call WANG Xuerui
2021-12-21 5:40 ` WANG Xuerui [this message]
2021-12-21 5:40 ` [PATCH v11 23/31] tcg/loongarch64: Add softmmu load/store helpers, implement qemu_ld/qemu_st ops WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 24/31] tcg/loongarch64: Implement tcg_target_qemu_prologue WANG Xuerui
2021-12-21 5:40 ` [PATCH v11 25/31] tcg/loongarch64: Implement exit_tb/goto_tb WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 26/31] tcg/loongarch64: Implement tcg_target_init WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 27/31] tcg/loongarch64: Register the JIT WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 28/31] common-user: Add safe syscall handling for loongarch64 hosts WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 29/31] linux-user: Implement CPU-specific signal handler " WANG Xuerui
2021-12-30 3:11 ` gaosong
2021-12-30 3:50 ` WANG Xuerui
2022-01-04 12:48 ` Philippe Mathieu-Daudé
2021-12-21 5:41 ` [PATCH v11 30/31] configure, meson.build: Mark support " WANG Xuerui
2021-12-21 5:41 ` [PATCH v11 31/31] tests/docker: Add gentoo-loongarch64-cross image and run cross builds in GitLab WANG Xuerui
2021-12-21 8:44 ` [PATCH v11 00/31] LoongArch64 port of QEMU TCG Philippe Mathieu-Daudé
2021-12-21 9:36 ` gaosong
2021-12-21 12:00 ` Philippe Mathieu-Daudé
2021-12-23 2:00 ` gaosong
2021-12-21 16:49 ` Richard Henderson
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