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target/ppc: Use tcg_constant_i32() in gen_setb() 

Avoid using TCG temporaries for the -1 and 8 constant values.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211003141711.3673181-2-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Philippe Mathieu-Daudé 2021-10-03 16:17:10 +02:00 committed by David Gibson
parent 621f70d210
commit 6f4912a416
1 changed files with 2 additions and 6 deletions
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8
target/ppc/translate.c
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@ -5068,19 +5068,15 @@ static void gen_mtspr(DisasContext *ctx)
static void gen_setb(DisasContext *ctx)
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t8 = tcg_temp_new_i32();
TCGv_i32 tm1 = tcg_temp_new_i32();
TCGv_i32 t8 = tcg_constant_i32(8);
TCGv_i32 tm1 = tcg_constant_i32(-1);
int crf = crfS(ctx->opcode);
tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
tcg_gen_movi_i32(t8, 8);
tcg_gen_movi_i32(tm1, -1);
tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free_i32(t0);
tcg_temp_free_i32(t8);
tcg_temp_free_i32(tm1);
}
#endif