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>

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 68e3b5c1f805e8263aa4533758c5cb59769774ef..af6844b4b600b1f810e5bf8ac9e6552a528b70fb 100644 (file)
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -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);