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authorAlexander Graf <agraf@suse.de>2015-04-15 03:45:41 +0200
committerAlexander Graf <agraf@suse.de>2015-05-13 14:48:54 +0200
commitc095ed731ce4fecf166e4ac02ddc606b408f5e1f (patch)
tree0f319618c1bda200415f1d5edfeed4f03abee70f
parent968bb75c348a401b85e08d5eb1887a3e6c3185f5 (diff)
s390x: Fix stoc direction
The store conditional instruction wants to store when the condition is fulfilled, so we should branch out when it's not true. The code today branches out when the condition is true, clearly reversing the logic. Fix it up by negating the condition. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--target-s390x/translate.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 8784112f4e..fa3e334e4f 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -3082,6 +3082,10 @@ static ExitStatus op_soc(DisasContext *s, DisasOps *o)
disas_jcc(s, &c, get_field(s->fields, m3));
+ /* We want to store when the condition is fulfilled, so branch
+ out when it's not */
+ c.cond = tcg_invert_cond(c.cond);
+
lab = gen_new_label();
if (c.is_64) {
tcg_gen_brcond_i64(c.cond, c.u.s64.a, c.u.s64.b, lab);