ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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: a79ba3398a ("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>
This commit is contained in:
Ilya Leoshkevich 2022-01-12 17:50:13 +01:00 committed by Thomas Huth
parent 521130f267
commit 57556b28af
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
target/s390x/tcg/translate.c
View File

@ -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