diff options
| -rw-r--r-- | target/s390x/tcg/translate.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 4bae1509f5..a0d6a2a35d 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -2007,6 +2007,7 @@ static DisasJumpType op_cksm(DisasContext *s, DisasOps *o) static DisasJumpType op_clc(DisasContext *s, DisasOps *o) { int l = get_field(s, l1); + TCGv_i64 src; TCGv_i32 vl; MemOp mop; @@ -2016,9 +2017,11 @@ static DisasJumpType op_clc(DisasContext *s, DisasOps *o) case 4: case 8: mop = ctz32(l + 1) | MO_TE; - tcg_gen_qemu_ld_tl(cc_src, o->addr1, get_mem_index(s), mop); + /* Do not update cc_src yet: loading cc_dst may cause an exception. */ + src = tcg_temp_new_i64(); + tcg_gen_qemu_ld_tl(src, o->addr1, get_mem_index(s), mop); tcg_gen_qemu_ld_tl(cc_dst, o->in2, get_mem_index(s), mop); - gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, cc_src, cc_dst); + gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, src, cc_dst); return DISAS_NEXT; default: vl = tcg_constant_i32(l); |