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[PATCH 07/17] target/riscv: Use gpr_{src,dst} for integer load/store
From: |
Richard Henderson |
Subject: |
[PATCH 07/17] target/riscv: Use gpr_{src,dst} for integer load/store |
Date: |
Thu, 8 Jul 2021 21:25:58 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/insn_trans/trans_rvi.c.inc | 45 +++++++++++++++----------
1 file changed, 28 insertions(+), 17 deletions(-)
diff --git a/target/riscv/insn_trans/trans_rvi.c.inc
b/target/riscv/insn_trans/trans_rvi.c.inc
index a603925637..a422dc9ef4 100644
--- a/target/riscv/insn_trans/trans_rvi.c.inc
+++ b/target/riscv/insn_trans/trans_rvi.c.inc
@@ -138,15 +138,21 @@ static bool trans_bgeu(DisasContext *ctx, arg_bgeu *a)
static bool gen_load(DisasContext *ctx, arg_lb *a, MemOp memop)
{
- TCGv t0 = tcg_temp_new();
- TCGv t1 = tcg_temp_new();
- gen_get_gpr(t0, a->rs1);
- tcg_gen_addi_tl(t0, t0, a->imm);
+ TCGv dest = gpr_dst(ctx, a->rd);
+ TCGv addr = gpr_src(ctx, a->rs1);
+ TCGv temp = NULL;
- tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, memop);
- gen_set_gpr(a->rd, t1);
- tcg_temp_free(t0);
- tcg_temp_free(t1);
+ if (a->imm) {
+ temp = tcg_temp_new();
+ tcg_gen_addi_tl(temp, addr, a->imm);
+ addr = temp;
+ }
+
+ tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, memop);
+
+ if (temp) {
+ tcg_temp_free(temp);
+ }
return true;
}
@@ -177,19 +183,24 @@ static bool trans_lhu(DisasContext *ctx, arg_lhu *a)
static bool gen_store(DisasContext *ctx, arg_sb *a, MemOp memop)
{
- TCGv t0 = tcg_temp_new();
- TCGv dat = tcg_temp_new();
- gen_get_gpr(t0, a->rs1);
- tcg_gen_addi_tl(t0, t0, a->imm);
- gen_get_gpr(dat, a->rs2);
+ TCGv addr = gpr_src(ctx, a->rs1);
+ TCGv data = gpr_src(ctx, a->rs2);
+ TCGv temp = NULL;
- tcg_gen_qemu_st_tl(dat, t0, ctx->mem_idx, memop);
- tcg_temp_free(t0);
- tcg_temp_free(dat);
+ if (a->imm) {
+ temp = tcg_temp_new();
+ tcg_gen_addi_tl(temp, addr, a->imm);
+ addr = temp;
+ }
+
+ tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, memop);
+
+ if (temp) {
+ tcg_temp_free(temp);
+ }
return true;
}
-
static bool trans_sb(DisasContext *ctx, arg_sb *a)
{
return gen_store(ctx, a, MO_SB);
--
2.25.1
- [PATCH 00/17] target/riscv: Use tcg_constant_*, Richard Henderson, 2021/07/09
- [PATCH 05/17] target/riscv: Use gpr_{src, dst} and tcg_constant_tl in gen_grevi, Richard Henderson, 2021/07/09
- [PATCH 02/17] target/riscv: Introduce gpr_src, gpr_dst, Richard Henderson, 2021/07/09
- [PATCH 01/17] target/riscv: Use tcg_constant_*, Richard Henderson, 2021/07/09
- [PATCH 06/17] target/riscv: Use gpr_src in branches, Richard Henderson, 2021/07/09
- [PATCH 07/17] target/riscv: Use gpr_{src,dst} for integer load/store,
Richard Henderson <=
- [PATCH 11/17] target/riscv: Use gpr_{src,dst} for RVB, Richard Henderson, 2021/07/09
- [PATCH 12/17] target/riscv: Use gpr_{src,dst} for RVF, Richard Henderson, 2021/07/09
- [PATCH 17/17] target/riscv: Remove gen_get_gpr, Richard Henderson, 2021/07/09
- [PATCH 16/17] target/riscv: Use gpr_{src,dst} for RVV, Richard Henderson, 2021/07/09
- [PATCH 14/17] target/riscv: Tidy trans_rvh.c.inc, Richard Henderson, 2021/07/09