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[PATCH 3/4] target/ppc: Use tcg_constant_tl() in gen_op_cmp()
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 3/4] target/ppc: Use tcg_constant_tl() in gen_op_cmp() |
Date: |
Sun, 24 Oct 2021 18:16:18 +0200 |
Avoid using a TCG temporary by moving the compared values
to the constant pool.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
target/ppc/translate.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 518337bcb7f..507f6699f47 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -1430,23 +1430,20 @@ static opc_handler_t invalid_handler = {
static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
{
TCGv t0 = tcg_temp_new();
- TCGv t1 = tcg_temp_new();
TCGv_i32 t = tcg_temp_new_i32();
- tcg_gen_movi_tl(t0, CRF_EQ);
- tcg_gen_movi_tl(t1, CRF_LT);
tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU),
- t0, arg0, arg1, t1, t0);
- tcg_gen_movi_tl(t1, CRF_GT);
+ t0, arg0, arg1,
+ tcg_constant_tl(CRF_LT), tcg_constant_tl(CRF_EQ));
tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU),
- t0, arg0, arg1, t1, t0);
+ t0, arg0, arg1,
+ tcg_constant_tl(CRF_GT), t0);
tcg_gen_trunc_tl_i32(t, t0);
tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);
tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t);
tcg_temp_free(t0);
- tcg_temp_free(t1);
tcg_temp_free_i32(t);
}
--
2.31.1