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[PATCH 1/2] target/s390x: Use mutable temporary value for op_ts

From: Ilya Leoshkevich
Subject: [PATCH 1/2] target/s390x: Use mutable temporary value for op_ts
Date: Mon, 18 Mar 2024 17:26:05 +0100

From: Ido Plat <ido.plat@ibm.com>

Otherwise TCG would assume the register that holds t1 would be constant
and reuse whenever it needs the value within it.

Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
[iii: Adjust a newline and capitalization]
Signed-off-by: Ido Plat <ido.plat@ibm.com>
 target/s390x/tcg/translate.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 0d0c672c959..3fdddac7684 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -4781,8 +4781,9 @@ static DisasJumpType op_trXX(DisasContext *s, DisasOps *o)
 static DisasJumpType op_ts(DisasContext *s, DisasOps *o)
-    TCGv_i32 t1 = tcg_constant_i32(0xff);
+    TCGv_i32 t1 = tcg_temp_new_i32();
+    tcg_gen_movi_i32(t1, 0xff);
     tcg_gen_atomic_xchg_i32(t1, o->in2, t1, get_mem_index(s), MO_UB);
     tcg_gen_extract_i32(cc_op, t1, 7, 1);

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