target/mips: Use tcg_constant_i32() in gen_helper_0e2i()

$rt register is used read-only, so we can replace tcg_const_i32()
temporary by tcg_constant_i32().

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210816205107.2051495-4-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-08-15 15:51:49 +02:00
parent 53152abfc1
commit 78bdd38865

View File

@ -9072,12 +9072,7 @@ static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
break;
case 3:
/* XXX: For now we support only a single FPU context. */
{
TCGv_i32 fs_tmp = tcg_const_i32(rd);
gen_helper_0e2i(ctc1, t0, fs_tmp, rt);
tcg_temp_free_i32(fs_tmp);
}
gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt);
/* Stop translation as we may have changed hflags */
ctx->base.is_jmp = DISAS_STOP;
break;
@ -9694,12 +9689,7 @@ static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs)
case OPC_CTC1:
gen_load_gpr(t0, rt);
save_cpu_state(ctx, 0);
{
TCGv_i32 fs_tmp = tcg_const_i32(fs);
gen_helper_0e2i(ctc1, t0, fs_tmp, rt);
tcg_temp_free_i32(fs_tmp);
}
gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt);
/* Stop translation as we may have changed hflags */
ctx->base.is_jmp = DISAS_STOP;
break;