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[PATCH 4/4] target/ppc: Use tcg_constant_i32() in gen_ld/st()
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From: |
Philippe Mathieu-Daudé |
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Subject: |
[PATCH 4/4] target/ppc: Use tcg_constant_i32() in gen_ld/st() |
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Date: |
Sun, 24 Oct 2021 18:16:19 +0200 |
Avoid using a TCG temporary by moving the MemOp index
to the constant pool.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
target/ppc/translate.c | 29 +++++++++++++----------------
1 file changed, 13 insertions(+), 16 deletions(-)
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 507f6699f47..9a4ae61a39d 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -3347,15 +3347,14 @@ static void gen_lq(DisasContext *ctx)
if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
if (HAVE_ATOMIC128) {
- TCGv_i32 oi = tcg_temp_new_i32();
+ TCGv_i32 oi;
if (ctx->le_mode) {
- tcg_gen_movi_i32(oi, make_memop_idx(MO_LEQ, ctx->mem_idx));
+ oi = tcg_constant_i32(make_memop_idx(MO_LEQ, ctx->mem_idx));
gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
} else {
- tcg_gen_movi_i32(oi, make_memop_idx(MO_BEQ, ctx->mem_idx));
+ oi = tcg_constant_i32(make_memop_idx(MO_BEQ, ctx->mem_idx));
gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
}
- tcg_temp_free_i32(oi);
tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
} else {
/* Restart with exclusive lock. */
@@ -3458,17 +3457,16 @@ static void gen_std(DisasContext *ctx)
if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
if (HAVE_ATOMIC128) {
- TCGv_i32 oi = tcg_temp_new_i32();
+ TCGv_i32 oi;
if (ctx->le_mode) {
- tcg_gen_movi_i32(oi, make_memop_idx(MO_LE | MO_128,
- ctx->mem_idx));
+ oi = tcg_constant_i32(make_memop_idx(MO_LE | MO_128,
+ ctx->mem_idx));
gen_helper_stq_le_parallel(cpu_env, EA, lo, hi, oi);
} else {
- tcg_gen_movi_i32(oi, make_memop_idx(MO_BE | MO_128,
- ctx->mem_idx));
+ oi = tcg_constant_i32(make_memop_idx(MO_BE | MO_128,
+ ctx->mem_idx));
gen_helper_stq_be_parallel(cpu_env, EA, lo, hi, oi);
}
- tcg_temp_free_i32(oi);
} else {
/* Restart with exclusive lock. */
gen_helper_exit_atomic(cpu_env);
@@ -4065,17 +4063,16 @@ static void gen_lqarx(DisasContext *ctx)
if (tb_cflags(ctx->base.tb) & CF_PARALLEL) {
if (HAVE_ATOMIC128) {
- TCGv_i32 oi = tcg_temp_new_i32();
+ TCGv_i32 oi;
if (ctx->le_mode) {
- tcg_gen_movi_i32(oi, make_memop_idx(MO_LE | MO_128 | MO_ALIGN,
- ctx->mem_idx));
+ oi = tcg_constant_i32(make_memop_idx(MO_LE | MO_128 | MO_ALIGN,
+ ctx->mem_idx));
gen_helper_lq_le_parallel(lo, cpu_env, EA, oi);
} else {
- tcg_gen_movi_i32(oi, make_memop_idx(MO_BE | MO_128 | MO_ALIGN,
- ctx->mem_idx));
+ oi = tcg_constant_i32(make_memop_idx(MO_BE | MO_128 | MO_ALIGN,
+ ctx->mem_idx));
gen_helper_lq_be_parallel(lo, cpu_env, EA, oi);
}
- tcg_temp_free_i32(oi);
tcg_gen_ld_i64(hi, cpu_env, offsetof(CPUPPCState, retxh));
} else {
/* Restart with exclusive lock. */
--
2.31.1