1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr45739.c b/gcc/testsuite/gcc.target/i386/pr45739.c
new file mode 100644
index 000000000..bb36318a5
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr45739.c
@@ -0,0 +1,24 @@
+/* PR rtl-optimization/45739 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -msse2" } */
+
+#include <emmintrin.h>
+
+__m128i var;
+
+void
+foo (void)
+{
+  __m128i zero = _mm_setzero_si128 ();
+  var = _mm_xor_si128 (zero, var);
+}
+
+void
+bar (void)
+{
+  __m128i zero = _mm_setzero_si128 ();
+  var = _mm_or_si128 (var, zero);
+}
+
+/* { dg-final { scan-assembler-not "pxor\[^\n\]*xmm" } } */
+/* { dg-final { scan-assembler-not "por\[^\n\]*xmm" } } */