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target/arm: Use tcg_constant in gen_compare_and_swap_pair 

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220426163043.100432-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-26 09:30:04 -07:00 committed by Peter Maydell
parent 820b357a49
commit c433065c45
1 changed files with 2 additions and 4 deletions
target/arm
translate-a64.c

6
target/arm/translate-a64.c
View File

@ -2523,7 +2523,7 @@ static void gen_compare_and_swap_pair(DisasContext *s, int rs, int rt,
tcg_temp_free_i64(cmp);
} else if (tb_cflags(s->base.tb) & CF_PARALLEL) {
if (HAVE_CMPXCHG128) {
TCGv_i32 tcg_rs = tcg_const_i32(rs);
TCGv_i32 tcg_rs = tcg_constant_i32(rs);
if (s->be_data == MO_LE) {
gen_helper_casp_le_parallel(cpu_env, tcg_rs,
clean_addr, t1, t2);
@ -2531,7 +2531,6 @@ static void gen_compare_and_swap_pair(DisasContext *s, int rs, int rt,
gen_helper_casp_be_parallel(cpu_env, tcg_rs,
clean_addr, t1, t2);
}
tcg_temp_free_i32(tcg_rs);
} else {
gen_helper_exit_atomic(cpu_env);
s->base.is_jmp = DISAS_NORETURN;
@ -2542,7 +2541,7 @@ static void gen_compare_and_swap_pair(DisasContext *s, int rs, int rt,
TCGv_i64 a2 = tcg_temp_new_i64();
TCGv_i64 c1 = tcg_temp_new_i64();
TCGv_i64 c2 = tcg_temp_new_i64();
TCGv_i64 zero = tcg_const_i64(0);
TCGv_i64 zero = tcg_constant_i64(0);
/* Load the two words, in memory order. */
tcg_gen_qemu_ld_i64(d1, clean_addr, memidx,
@ -2563,7 +2562,6 @@ static void gen_compare_and_swap_pair(DisasContext *s, int rs, int rt,
tcg_temp_free_i64(a2);
tcg_temp_free_i64(c1);
tcg_temp_free_i64(c2);
tcg_temp_free_i64(zero);
/* Write back the data from memory to Rs. */
tcg_gen_mov_i64(s1, d1);