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authorIlya Leoshkevich <iii@linux.ibm.com>2022-03-14 11:42:30 +0100
committerThomas Huth <thuth@redhat.com>2022-03-16 08:43:10 +0100
commitfc3dd86a290a9c7c3c3273961b03058ae8f1d49f (patch)
tree24a44da5a6fc7bc185c1aa5dc57972b30cf3804e /target
parentd0a17829d0d53f9b03127bf6a03cc1e19c2741ac (diff)
s390x/tcg: Fix BRASL with a large negative offset
When RI2 is 0x80000000, qemu enters an infinite loop instead of jumping backwards. Fix by adding a missing cast, like in in2_ri2(). Fixes: 8ac33cdb8bfb ("Convert BRANCH AND SAVE") Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Message-Id: <20220314104232.675863-2-iii@linux.ibm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'target')
-rw-r--r--target/s390x/tcg/translate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 904b51542f..41c8696185 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -1597,7 +1597,7 @@ static DisasJumpType op_bal(DisasContext *s, DisasOps *o)
static DisasJumpType op_basi(DisasContext *s, DisasOps *o)
{
pc_to_link_info(o->out, s, s->pc_tmp);
- return help_goto_direct(s, s->base.pc_next + 2 * get_field(s, i2));
+ return help_goto_direct(s, s->base.pc_next + (int64_t)get_field(s, i2) * 2);
}
static DisasJumpType op_bc(DisasContext *s, DisasOps *o)