1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr23376.c b/gcc/testsuite/gcc.target/i386/pr23376.c
new file mode 100644
index 000000000..0dee77f6b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr23376.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -mmmx -funroll-loops -fvariable-expansion-in-unroller" } */
+
+typedef int __m64 __attribute__ ((__vector_size__ (8)));
+typedef int __v2si __attribute__ ((__vector_size__ (8)));
+
+static __inline __m64 __attribute__((__always_inline__))
+_mm_add_pi32 (__m64 __m1, __m64 __m2)
+{
+  return (__m64) __builtin_ia32_paddd ((__v2si)__m1, (__v2si)__m2);
+}
+
+__m64
+simple_block_diff_up_mmx_4 (const int width, __m64 ref1)
+{
+  __m64 sum;
+  int count = width >>1;
+  while (count--)
+    sum = _mm_add_pi32 (sum, ref1);
+  return sum;
+}