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target/arm: Use tcg_constant_i32() in op_smlad() 

Avoid using a TCG temporary for a read-only constant.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211029231834.2476117-2-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-10-30 01:18:30 +02:00 committed by Richard Henderson
parent dbd9e08476
commit 060c1f4252
1 changed files with 1 additions and 2 deletions
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3
target/arm/translate.c
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@ -7849,10 +7849,9 @@ static bool op_smlad(DisasContext *s, arg_rrrr *a, bool m_swap, bool sub)
t3 = tcg_temp_new_i32();
tcg_gen_sari_i32(t3, t1, 31);
qf = load_cpu_field(QF);
one = tcg_const_i32(1);
one = tcg_constant_i32(1);
tcg_gen_movcond_i32(TCG_COND_NE, qf, t2, t3, one, qf);
store_cpu_field(qf, QF);
tcg_temp_free_i32(one);
tcg_temp_free_i32(t3);
tcg_temp_free_i32(t2);
}