1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsb-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsb-2.c
new file mode 100644
index 000000000..5f33f6b89
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vpsubsb-2.c
@@ -0,0 +1,38 @@
+/* { dg-do run } */
+/* { dg-options "-mavx2 -O2" } */
+/* { dg-require-effective-target avx2 } */
+
+#include "avx2-check.h"
+
+void static
+avx2_test (void)
+{
+  union256i_b u, s1, s2;
+  char e[32];
+  int i, tmp;
+
+  s1.x = _mm256_set_epi8 (1, 2, 3, 4, 10, 20, 30, 90, -80, -40, -100,
+			  -15, 98, 25, 98, 7, 88, 44, 33, 22, 11, 98,
+			  76, -100, -34, -78, -39, 6, 3, 4, 5, 119);
+
+  s2.x = _mm256_set_epi8 (88, 44, 33, 22, 11, 98, 76, -100, -34, -78,
+			  -39, 6, 3, 4, 5, 119, 1, 2, 3, 4, 10, 20,
+			  30, 90, -80, -40, -100, -15, 98, 25, 98, 7);
+
+  u.x = _mm256_subs_epi8 (s1.x, s2.x);
+
+  for (i = 0; i < 32; i++)
+    {
+      tmp = s1.a[i] - s2.a[i];
+
+      if (tmp > 127)
+	tmp = 127;
+      if (tmp < -128)
+	tmp = -128;
+
+      e[i] = tmp;
+    }
+
+  if (check_union256i_b (u, e))
+    abort ();
+}