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-rw-r--r--target-i386/ops_sse.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index cad9d758de..0136df9345 100644
--- a/target-i386/ops_sse.h
+++ b/target-i386/ops_sse.h
@@ -1933,8 +1933,7 @@ void glue(helper_mpsadbw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
}
/* SSE4.2 op helpers */
-/* it's unclear whether signed or unsigned */
-#define FCMPGTQ(d, s) (d > s ? -1 : 0)
+#define FCMPGTQ(d, s) ((int64_t)d > (int64_t)s ? -1 : 0)
SSE_HELPER_Q(helper_pcmpgtq, FCMPGTQ)
static inline int pcmp_elen(CPUX86State *env, int reg, uint32_t ctrl)