aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorIlya Leoshkevich <iii@linux.ibm.com>2022-01-12 17:50:13 +0100
committerThomas Huth <thuth@redhat.com>2022-01-17 08:36:33 +0100
commit57556b28afde4b039bb12bfc274bd8df9022d946 (patch)
tree569704b85221875e5e03dcb0265d2f3db70b8613
parent521130f267240cb1ed8fd4635496493a153281db (diff)
downloadqemu-57556b28afde4b039bb12bfc274bd8df9022d946.zip
qemu-57556b28afde4b039bb12bfc274bd8df9022d946.tar.gz
qemu-57556b28afde4b039bb12bfc274bd8df9022d946.tar.bz2
target/s390x: Fix SRDA CC calculation
SRDA uses r1_D32 for binding the first operand and s64 for setting CC. cout_s64() relies on o->out being the shift result, however, wout_r1_D32() clobbers it. Fix by using a temporary. Fixes: a79ba3398a0a ("target-s390: Convert SHIFT DOUBLE") Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Message-Id: <20220112165016.226996-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
-rw-r--r--target/s390x/tcg/translate.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index f180853..766b4c8 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -5420,9 +5420,11 @@ static void wout_r1_P32(DisasContext *s, DisasOps *o)
static void wout_r1_D32(DisasContext *s, DisasOps *o)
{
int r1 = get_field(s, r1);
+ TCGv_i64 t = tcg_temp_new_i64();
store_reg32_i64(r1 + 1, o->out);
- tcg_gen_shri_i64(o->out, o->out, 32);
- store_reg32_i64(r1, o->out);
+ tcg_gen_shri_i64(t, o->out, 32);
+ store_reg32_i64(r1, t);
+ tcg_temp_free_i64(t);
}
#define SPEC_wout_r1_D32 SPEC_r1_even