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target/arm: Use tcg_constant in LDM, STM

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220426163043.100432-33-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-26 09:30:28 -07:00 • committed by Peter Maydell
parent 38ca784f7c
commit 84d6f34364
1 changed files with 4 additions and 8 deletions
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12
target/arm/translate.c
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@ -8050,7 +8050,7 @@ static bool op_stm(DisasContext *s, arg_ldst_block *a, int min_n)
{ {
int i, j, n, list, mem_idx; int i, j, n, list, mem_idx;
bool user = a->u; bool user = a->u;
TCGv_i32 addr, tmp, tmp2; TCGv_i32 addr, tmp;
if (user) { if (user) {
/* STM (user) */ /* STM (user) */
@ -8080,9 +8080,7 @@ static bool op_stm(DisasContext *s, arg_ldst_block *a, int min_n)
if (user && i != 15) { if (user && i != 15) {
tmp = tcg_temp_new_i32(); tmp = tcg_temp_new_i32();
tmp2 = tcg_const_i32(i); gen_helper_get_user_reg(tmp, cpu_env, tcg_constant_i32(i));
gen_helper_get_user_reg(tmp, cpu_env, tmp2);
tcg_temp_free_i32(tmp2);
} else { } else {
tmp = load_reg(s, i); tmp = load_reg(s, i);
} }
@ -8123,7 +8121,7 @@ static bool do_ldm(DisasContext *s, arg_ldst_block *a, int min_n)
bool loaded_base; bool loaded_base;
bool user = a->u; bool user = a->u;
bool exc_return = false; bool exc_return = false;
TCGv_i32 addr, tmp, tmp2, loaded_var; TCGv_i32 addr, tmp, loaded_var;
if (user) { if (user) {
/* LDM (user), LDM (exception return) */ /* LDM (user), LDM (exception return) */
@ -8166,9 +8164,7 @@ static bool do_ldm(DisasContext *s, arg_ldst_block *a, int min_n)
tmp = tcg_temp_new_i32(); tmp = tcg_temp_new_i32();
gen_aa32_ld_i32(s, tmp, addr, mem_idx, MO_UL | MO_ALIGN); gen_aa32_ld_i32(s, tmp, addr, mem_idx, MO_UL | MO_ALIGN);
if (user) { if (user) {
tmp2 = tcg_const_i32(i); gen_helper_set_user_reg(cpu_env, tcg_constant_i32(i), tmp);
gen_helper_set_user_reg(cpu_env, tmp2, tmp);
tcg_temp_free_i32(tmp2);
tcg_temp_free_i32(tmp); tcg_temp_free_i32(tmp);
} else if (i == a->rn) { } else if (i == a->rn) {
loaded_var = tmp; loaded_var = tmp;