1 files changed, 114 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/ssse3-pshufb.c b/gcc/testsuite/gcc.target/i386/ssse3-pshufb.c
new file mode 100644
index 000000000..b995456b6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/ssse3-pshufb.c
@@ -0,0 +1,114 @@
+/* { dg-do run } */
+/* { dg-require-effective-target ssse3 } */
+/* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */
+
+#ifndef CHECK_H
+#define CHECK_H "ssse3-check.h"
+#endif
+
+#ifndef TEST
+#define TEST ssse3_test
+#endif
+
+#include CHECK_H
+
+#include "ssse3-vals.h"
+
+#include <tmmintrin.h>
+
+#ifndef __AVX__
+/* Test the 64-bit form */
+static void
+ssse3_test_pshufb (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *)r = _mm_shuffle_pi8 (t1, t2);
+  _mm_empty ();
+}
+#endif
+
+/* Test the 128-bit form */
+static void
+ssse3_test_pshufb128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *)r = _mm_shuffle_epi8 (t1, t2);
+}
+
+#ifndef __AVX__
+/* Routine to manually compute the results */
+static void
+compute_correct_result_64 (int *i1, int *i2, int *r)
+{
+  char *b1 = (char *) i1;
+  char *b2 = (char *) i2;
+  char *bout = (char *) r;
+  int i;
+  char select;
+
+  for (i = 0; i < 16; i++)
+    {
+      select = b2[i];
+      if (select & 0x80)
+	bout[i] = 0;
+      else if (i < 8)
+	bout[i] = b1[select & 0x7];
+      else
+	bout[i] = b1[8 + (select & 0x7)];
+    }
+}
+#endif
+
+static void
+compute_correct_result_128 (int *i1, int *i2, int *r)
+{
+  char *b1 = (char *) i1;
+  char *b2 = (char *) i2;
+  char *bout = (char *) r;
+  int i;
+  char select;
+
+  for (i = 0; i < 16; i++)
+    {
+      select = b2[i];
+      if (select & 0x80)
+	bout[i] = 0;
+      else
+	bout[i] = b1[select & 0xf];
+    }
+}
+
+static void
+TEST (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+#ifndef __AVX__
+      /* Manually compute the result */
+      compute_correct_result_64 (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_pshufb (&vals[i + 0], &vals[i + 4], &r[0]);
+      ssse3_test_pshufb (&vals[i + 2], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+#endif
+
+      /* Recompute the result for 128-bits */
+      compute_correct_result_128 (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 128-bit tests */
+      ssse3_test_pshufb128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}