i386-cpuid.h (bit_SSSE3): New.

2006-12-15  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.dg/i386-cpuid.h (bit_SSSE3): New.

	* gcc.target/i386/ssse3-pabsb.c: New file.
	* gcc.target/i386/ssse3-pabsd.c: Likewise.
	* gcc.target/i386/ssse3-pabsw.c: Likewise.
	* gcc.target/i386/ssse3-palignr.c: Likewise.
	* gcc.target/i386/ssse3-phaddd.c: Likewise.
	* gcc.target/i386/ssse3-phaddsw.c: Likewise.
	* gcc.target/i386/ssse3-phaddw.c: Likewise.
	* gcc.target/i386/ssse3-phsubd.c: Likewise.
	* gcc.target/i386/ssse3-phsubsw.c: Likewise.
	* gcc.target/i386/ssse3-phsubw.c: Likewise.
	* gcc.target/i386/ssse3-pmaddubsw.c: Likewise.
	* gcc.target/i386/ssse3-pmulhrsw.c: Likewise.
	* gcc.target/i386/ssse3-pshufb.c: Likewise.
	* gcc.target/i386/ssse3-psignb.c: Likewise.
	* gcc.target/i386/ssse3-psignd.c: Likewise.
	* gcc.target/i386/ssse3-psignw.c: Likewise.
	* gcc.target/i386/ssse3-vals.h: Likewise.

From-SVN: r119958

gcc/testsuite/ChangeLog

+2006-12-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc.dg/i386-cpuid.h (bit_SSSE3): New.
+
+	* gcc.target/i386/ssse3-pabsb.c: New file.
+	* gcc.target/i386/ssse3-pabsd.c: Likewise.
+	* gcc.target/i386/ssse3-pabsw.c: Likewise.
+	* gcc.target/i386/ssse3-palignr.c: Likewise.
+	* gcc.target/i386/ssse3-phaddd.c: Likewise.
+	* gcc.target/i386/ssse3-phaddsw.c: Likewise.
+	* gcc.target/i386/ssse3-phaddw.c: Likewise.
+	* gcc.target/i386/ssse3-phsubd.c: Likewise.
+	* gcc.target/i386/ssse3-phsubsw.c: Likewise.
+	* gcc.target/i386/ssse3-phsubw.c: Likewise.
+	* gcc.target/i386/ssse3-pmaddubsw.c: Likewise.
+	* gcc.target/i386/ssse3-pmulhrsw.c: Likewise.
+	* gcc.target/i386/ssse3-pshufb.c: Likewise.
+	* gcc.target/i386/ssse3-psignb.c: Likewise.
+	* gcc.target/i386/ssse3-psignd.c: Likewise.
+	* gcc.target/i386/ssse3-psignw.c: Likewise.
+	* gcc.target/i386/ssse3-vals.h: Likewise.
+
 2006-12-15  Janis Johnson  <janis187@us.ibm.com>
 
 	* lib/gfortran-dg.exp: Don't include fortran-torture.exp.

gcc/testsuite/gcc.dg/i386-cpuid.h

@@ -4,6 +4,7 @@
 
 /* %ecx */
 #define bit_SSE3 (1 << 0)
+#define bit_SSSE3 (1 << 9)
 
 /* %edx */
 #define bit_CMOV (1 << 15)

gcc/testsuite/gcc.target/i386/ssse3-pabsb.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_pabsb (int *i1, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  *(__m64 *) r = _mm_abs_pi8 (t1);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_pabsb128 (int *i1, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  *(__m128i *) r = _mm_abs_epi8 (t1);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *r)
+{
+  char *b1 = (char *) i1;
+  char *bout = (char *) r;
+  int i;
+
+  for (i = 0; i < 16; i++)
+    if (b1[i] < 0)
+      bout[i] = -b1[i];
+    else
+      bout[i] = b1[i];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 4)
+    {
+      /* Manually compute the result */
+      compute_correct_result(&vals[i + 0], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_pabsb (&vals[i + 0], &r[0]);
+      ssse3_test_pabsb (&vals[i + 2], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_pabsb128 (&vals[i + 0], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-pabsd.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_pabsd (int *i1, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  *(__m64 *) r = _mm_abs_pi32 (t1);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_pabsd128 (int *i1, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  *(__m128i *) r = _mm_abs_epi32 (t1);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *r)
+{
+  int i;
+
+  for (i = 0; i < 4; i++)
+    if (i1[i] < 0)
+      r[i] = -i1[i];
+    else
+      r[i] = i1[i];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 4)
+    {
+      /* Manually compute the result */
+      compute_correct_result(&vals[i + 0], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_pabsd (&vals[i + 0], &r[0]);
+      ssse3_test_pabsd (&vals[i + 2], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_pabsd128 (&vals[i + 0], r);
+      fail += chk_128(ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-pabsw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_pabsw (int *i1, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  *(__m64 *) r = _mm_abs_pi16 (t1);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_pabsw128 (int *i1, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  *(__m128i *) r = _mm_abs_epi16 (t1);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *r)
+{
+  short *s1 = (short *) i1;
+  short *sout = (short *) r;
+  int i;
+
+  for (i = 0; i < 8; i++)
+    if (s1[i] < 0)
+      sout[i] = -s1[i];
+    else
+      sout[i] = s1[i];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 4)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_pabsw (&vals[i + 0], &r[0]);
+      ssse3_test_pabsw (&vals[i + 2], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_pabsw128 (&vals[i + 0], r);
+      fail += chk_128 (ck, r);
+    }
+  
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-palignr.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <string.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_palignr (int *i1, int *i2, unsigned int imm, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+
+  switch (imm)
+    {
+    case 0:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 0);
+      break;
+    case 1:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 1);
+      break;
+    case 2:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 2);
+      break;
+    case 3:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 3);
+      break;
+    case 4:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 4);
+      break;
+    case 5:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 5);
+      break;
+    case 6:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 6);
+      break;
+    case 7:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 7);
+      break;
+    case 8:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 8);
+      break;
+    case 9:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 9);
+      break;
+    case 10:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 10);
+      break;
+    case 11:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 11);
+      break;
+    case 12:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 12);
+      break;
+    case 13:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 13);
+      break;
+    case 14:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 14);
+      break;
+    case 15:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 15);
+      break;
+    default:
+      *(__m64 *) r = _mm_alignr_pi8 (t1, t2, 16);
+      break;
+    }
+
+   _mm_empty();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_palignr128 (int *i1, int *i2, unsigned int imm, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+
+  switch (imm)
+    {
+    case 0:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 0);
+      break;
+    case 1:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 1);
+      break;
+    case 2:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 2);
+      break;
+    case 3:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 3);
+      break;
+    case 4:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 4);
+      break;
+    case 5:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 5);
+      break;
+    case 6:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 6);
+      break;
+    case 7:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 7);
+      break;
+    case 8:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 8);
+      break;
+    case 9:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 9);
+      break;
+    case 10:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 10);
+      break;
+    case 11:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 11);
+      break;
+    case 12:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 12);
+      break;
+    case 13:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 13);
+      break;
+    case 14:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 14);
+      break;
+    case 15:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 15);
+      break;
+    case 16:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 16);
+      break;
+    case 17:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 17);
+      break;
+    case 18:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 18);
+      break;
+    case 19:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 19);
+      break;
+    case 20:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 20);
+      break;
+    case 21:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 21);
+      break;
+    case 22:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 22);
+      break;
+    case 23:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 23);
+      break;
+    case 24:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 24);
+      break;
+    case 25:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 25);
+      break;
+    case 26:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 26);
+      break;
+    case 27:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 27);
+      break;
+    case 28:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 28);
+      break;
+    case 29:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 29);
+      break;
+    case 30:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 30);
+      break;
+    case 31:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 31);
+      break;
+    default:
+      *(__m128i *) r = _mm_alignr_epi8 (t1, t2, 32);
+      break;
+    }
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result_128 (int *i1, int *i2, unsigned int imm, int *r)
+{
+  char buf [32];
+  char *bout = (char *) r;
+  int i;
+
+  memcpy (&buf[0], i2, 16);
+  memcpy (&buf[16], i1, 16);
+
+  for (i = 0; i < 16; i++)
+    if (imm >= 32 || imm + i >= 32)
+      bout[i] = 0;
+    else
+      bout[i] = buf[imm + i];
+}
+
+static void
+compute_correct_result_64 (int *i1, int *i2, unsigned int imm, int *r)
+{
+  char buf [16];
+  char *bout = (char *)r;
+  int i;
+
+  /* Handle the first half */
+  memcpy (&buf[0], i2, 8);
+  memcpy (&buf[8], i1, 8);
+
+  for (i = 0; i < 8; i++)
+    if (imm >= 16 || imm + i >= 16)
+      bout[i] = 0;
+    else
+      bout[i] = buf[imm + i];
+
+  /* Handle the second half */
+  memcpy (&buf[0], &i2[2], 8);
+  memcpy (&buf[8], &i1[2], 8);
+
+  for (i = 0; i < 8; i++)
+    if (imm >= 16 || imm + i >= 16)
+      bout[i + 8] = 0;
+    else
+      bout[i + 8] = buf[imm + i];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  unsigned int imm;
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    for (imm = 0; imm < 100; imm++)
+      {
+	/* Manually compute the result */
+	compute_correct_result_64 (&vals[i + 0], &vals[i + 4], imm, ck);
+
+	/* Run the 64-bit tests */
+	ssse3_test_palignr (&vals[i + 0], &vals[i + 4], imm, &r[0]);
+	ssse3_test_palignr (&vals[i + 2], &vals[i + 6], imm, &r[2]);
+	fail += chk_128 (ck, r);
+
+	/* Recompute the results for 128-bits */
+	compute_correct_result_128 (&vals[i + 0], &vals[i + 4], imm, ck);
+
+	/* Run the 128-bit tests */
+	ssse3_test_palignr128 (&vals[i + 0], &vals[i + 4], imm, r);
+	fail += chk_128 (ck, r);
+      }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-phaddd.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_phaddd (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_hadd_pi32 (t1, t2);
+  _mm_empty();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phaddd128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *) r = _mm_hadd_epi32 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result(int *i1, int *i2, int *r)
+{
+  int i;
+
+  for (i = 0; i < 2; i++)
+    r[i] = i1[2 * i] + i1[2 * i + 1];
+  for (i = 0; i < 2; i++)
+    r[i + 2] = i2[2 * i] + i2[2 * i + 1];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_phaddd (&vals[i + 0], &vals[i + 2], &r[0]);
+      ssse3_test_phaddd (&vals[i + 4], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_phaddd128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-phaddsw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_phaddsw (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_hadds_pi16 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phaddsw128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+ *(__m128i *) r = _mm_hadds_epi16 (t1, t2);
+}
+
+static short
+signed_saturate_to_word (int x)
+{
+  if (x > (int) 0x7fff)
+    return 0x7fff;
+
+  if (x < (int) 0xffff8000)
+    return 0x8000;
+
+  return (short) x;
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  short *s1 = (short *) i1;
+  short *s2 = (short *) i2;
+  short *sout = (short *) r;
+  int i;
+
+  for (i = 0; i < 4; i++)
+    sout[i] = signed_saturate_to_word(s1[2 * i] + s1[2 * i + 1]);
+  for (i = 0; i < 4; i++)
+    sout[i + 4] = signed_saturate_to_word(s2[2 * i] + s2[2 * i + 1]);
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_phaddsw (&vals[i + 0], &vals[i + 2], &r[0]);
+      ssse3_test_phaddsw (&vals[i + 4], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_phaddsw128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-phaddw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_phaddw (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_hadd_pi16 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phaddw128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *) r = _mm_hadd_epi16 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result(int *i1, int *i2, int *r)
+{
+  short *s1 = (short *) i1;
+  short *s2 = (short *) i2;
+  short *sout = (short *) r;
+  int i;
+
+  for (i = 0; i < 4; i++)
+    sout[i] = s1[2 * i] + s1[2 * i + 1];
+
+  for (i = 0; i < 4; i++)
+    sout[i + 4] = s2[2 * i] + s2[2 * i + 1];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_phaddw (&vals[i + 0], &vals[i + 2], &r[0]);
+      ssse3_test_phaddw (&vals[i + 4], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_phaddw128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-phsubd.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_phsubd (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_hsub_pi32(t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phsubd128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *) r = _mm_hsub_epi32 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  int i;
+
+  for (i = 0; i < 2; i++)
+    r[i] = i1[2 * i] - i1[2 * i + 1];
+  for (i = 0; i < 2; i++)
+    r[i + 2] = i2[2 * i] - i2[2 * i + 1];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_phsubd (&vals[i + 0], &vals[i + 2], &r[0]);
+      ssse3_test_phsubd (&vals[i + 4], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_phsubd128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-phsubsw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_phsubsw (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+
+  *(__m64 *) r = _mm_hsubs_pi16 (t1, t2);
+
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phsubsw128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *) r = _mm_hsubs_epi16 (t1, t2);
+}
+
+static short
+signed_saturate_to_word (int x)
+{
+  if (x > (int )0x7fff)
+    return 0x7fff;
+
+  if (x < (int) 0xffff8000)
+    return 0x8000;
+
+  return (short)x;
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  short *s1 = (short *) i1;
+  short *s2 = (short *) i2;
+  short *sout = (short *) r;
+  int i;
+
+  for (i = 0; i < 4; i++)
+    sout[i] = signed_saturate_to_word (s1[2 * i] - s1[2 * i + 1]);
+
+  for (i = 0; i < 4; i++)
+    sout[i + 4] = signed_saturate_to_word (s2[2 * i] - s2[2 * i + 1]);
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_phsubsw (&vals[i + 0], &vals[i + 2], &r[0]);
+      ssse3_test_phsubsw (&vals[i + 4], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_phsubsw128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-phsubw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_phsubw (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_hsub_pi16 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_phsubw128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+
+  *(__m128i *) r = _mm_hsub_epi16 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  short *s1 = (short *) i1;
+  short *s2 = (short *) i2;
+  short *sout = (short *) r;
+  int i;
+
+  for (i = 0; i < 4; i++)
+    sout[i] = s1[2 * i] - s1[2 * i + 1];
+  for (i = 0; i < 4; i++)
+    sout[i + 4] = s2[2 * i] - s2[2 * i + 1];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_phsubw (&vals[i + 0], &vals[i + 2], &r[0]);
+      ssse3_test_phsubw (&vals[i + 4], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_phsubw128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-pmaddubsw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_pmaddubsw (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_maddubs_pi16 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_pmaddubsw128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *) r = _mm_maddubs_epi16 (t1, t2);
+}
+
+static short
+signed_saturate_to_word(int x)
+{
+  if (x > (int) 0x7fff)
+    return 0x7fff;
+
+  if (x < (int) 0xffff8000)
+    return 0x8000;
+
+  return (short) x;
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  unsigned char *ub1 = (unsigned char *) i1;
+  char *sb2 = (char *) i2;
+  short *sout = (short *) r;
+  int t0;
+  int i;
+
+  for (i = 0; i < 8; i++)
+    { 
+      t0 = ((int) ub1[2 * i] * (int) sb2[2 * i] +
+	    (int) ub1[2 * i + 1] * (int) sb2[2 * i + 1]);
+      sout[i] = signed_saturate_to_word (t0);
+    }
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_pmaddubsw (&vals[i + 0], &vals[i + 4], &r[0]);
+      ssse3_test_pmaddubsw (&vals[i + 2], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_pmaddubsw128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-pmulhrsw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_pmulhrsw (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_mulhrs_pi16 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_pmulhrsw128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *) r = _mm_mulhrs_epi16 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  short *s1 = (short *) i1;
+  short *s2 = (short *) i2;
+  short *sout = (short *) r;
+  int t0;
+  int i;
+
+  for (i = 0; i < 8; i++)
+    {
+      t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1;
+      sout[i] = (short) (t0 >> 1);
+    }
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_pmulhrsw (&vals[i + 0], &vals[i + 4], &r[0]);
+      ssse3_test_pmulhrsw (&vals[i + 2], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_pmulhrsw128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-pshufb.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* 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 ();
+}
+
+/* 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);
+}
+
+/* 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)];
+    }
+}
+
+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
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* 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);
+
+      /* 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 ();
+}

gcc/testsuite/gcc.target/i386/ssse3-psignb.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_psignb (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_sign_pi8 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_psignb128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *) r = _mm_sign_epi8 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  char *b1 = (char *) i1;
+  char *b2 = (char *) i2;
+  char *bout = (char *) r;
+  int i;
+
+  for (i = 0; i < 16; i++)
+    if (b2[i] < 0)
+      bout[i] = -b1[i];
+    else if (b2[i] == 0)
+      bout[i] = 0;
+    else
+      bout[i] = b1[i];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_psignb (&vals[i + 0], &vals[i + 4], &r[0]);
+      ssse3_test_psignb (&vals[i + 2], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_psignb128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-psignd.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_psignd (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_sign_pi32 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_psignd128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+  *(__m128i *)r = _mm_sign_epi32 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  int i;
+
+  for (i = 0; i < 4; i++)
+    if (i2[i] < 0)
+      r[i] = -i1[i];
+    else if (i2[i] == 0)
+      r[i] = 0;
+    else
+      r[i] = i1[i];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_psignd (&vals[i + 0], &vals[i + 4], &r[0]);
+      ssse3_test_psignd (&vals[i + 2], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_psignd128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-psignw.c

+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mssse3" } */
+#include <tmmintrin.h>
+#include <stdlib.h>
+#include "../../gcc.dg/i386-cpuid.h"
+#include "ssse3-vals.h"
+
+static void ssse3_test (void);
+
+int
+main ()
+{
+  unsigned long cpu_facilities;
+ 
+  cpu_facilities = i386_cpuid_ecx ();
+
+  /* Run SSSE3 test only if host has SSSE3 support.  */
+  if ((cpu_facilities & bit_SSSE3))
+    ssse3_test ();
+
+  exit (0);
+}
+
+/* Test the 64-bit form */
+static void
+ssse3_test_psignw (int *i1, int *i2, int *r)
+{
+  __m64 t1 = *(__m64 *) i1;
+  __m64 t2 = *(__m64 *) i2;
+  *(__m64 *) r = _mm_sign_pi16 (t1, t2);
+  _mm_empty ();
+}
+
+/* Test the 128-bit form */
+static void
+ssse3_test_psignw128 (int *i1, int *i2, int *r)
+{
+  /* Assumes incoming pointers are 16-byte aligned */
+  __m128i t1 = *(__m128i *) i1;
+  __m128i t2 = *(__m128i *) i2;
+ *(__m128i *) r = _mm_sign_epi16 (t1, t2);
+}
+
+/* Routine to manually compute the results */
+static void
+compute_correct_result (int *i1, int *i2, int *r)
+{
+  short *s1 = (short *) i1;
+  short *s2 = (short *) i2;
+  short *sout = (short *) r;
+  int i;
+
+  for (i = 0; i < 8; i++)
+    if (s2[i] < 0)
+      sout[i] = -s1[i];
+    else if (s2[i] == 0)
+      sout[i] = 0;
+    else
+      sout[i] = s1[i];
+}
+
+static void
+ssse3_test (void)
+{
+  int i;
+  int r [4] __attribute__ ((aligned(16)));
+  int ck [4];
+  int fail = 0;
+
+  for (i = 0; i < 256; i += 8)
+    {
+      /* Manually compute the result */
+      compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
+
+      /* Run the 64-bit tests */
+      ssse3_test_psignw (&vals[i + 0], &vals[i + 4], &r[0]);
+      ssse3_test_psignw (&vals[i + 2], &vals[i + 6], &r[2]);
+      fail += chk_128 (ck, r);
+
+      /* Run the 128-bit tests */
+      ssse3_test_psignw128 (&vals[i + 0], &vals[i + 4], r);
+      fail += chk_128 (ck, r);
+    }
+
+  if (fail != 0)
+    abort ();
+}

gcc/testsuite/gcc.target/i386/ssse3-vals.h

+/* Routine to check correctness of the results */
+static int
+chk_128 (int *v1, int *v2)
+{
+  int i;
+  int n_fails = 0;
+
+  for (i = 0; i < 4; i++)
+    if (v1[i] != v2[i])
+      n_fails += 1;
+
+  return n_fails;
+}
+
+static int vals [256] __attribute__ ((aligned(16))) =
+{
+  0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x5be800ee, 0x4f2d7b15,
+  0x409d9291, 0xdd95f27f, 0x423986e3, 0x21a4d2cd, 0xa7056d84, 0x4f4e5a3b,
+  0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+  0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+  0x73ef0244, 0xcd836329, 0x847f634f, 0xa7e3abcf, 0xb4c14764, 0x1ef42c06,
+  0x504f29ac, 0x4ae7ca73, 0xaddde3c9, 0xf63ded2e, 0xa5d3553d, 0xa52ae05f,
+  0x6fd3c83a, 0x7dc2b300, 0x76b05de7, 0xea8ebae5, 0x549568dd, 0x172f0358,
+  0x917eadf0, 0x796fb0a7, 0xb39381af, 0xd0591d61, 0x731d2f17, 0xbc4b6f5d,
+  0x8ec664c2, 0x3c199c19, 0x9c81db12, 0x6d85913b, 0x486107a9, 0xab6f4b26,
+  0x5630d37c, 0x20836e85, 0x40d4e746, 0xdfbaba36, 0xbeacaa69, 0xb3c84083,
+  0x8a688eb4, 0x08cde481, 0x66e7a190, 0x74ee1639, 0xb3942a19, 0xe0c40471,
+  0x9b789489, 0x9751207a, 0x543a1524, 0x41da7ad6, 0x614bb563, 0xf86f57b1,
+  0x69e62199, 0x2150cb12, 0x9ed74062, 0x429471f4, 0xad28502b, 0xf2e2d4d5,
+  0x45b6ce09, 0xaaa5e649, 0xb46da484, 0x0a637515, 0xae7a3212, 0x5afc784c,
+  0x776cfbbe, 0x9c542bb2, 0x64193aa8, 0x16e8a655, 0x4e3d2f92, 0xe05d7b72,
+  0x89854ebc, 0x8c318814, 0xb81e76e0, 0x3f2625f5, 0x61b44852, 0x5209d7ad,
+  0x842fe317, 0xd3cfcca1, 0x8d287cc7, 0x80f0c9a8, 0x4215f4e5, 0x563993d6,
+  0x5d627433, 0xc4449e35, 0x5b4fe009, 0x3ef92286, 0xacbc8927, 0x549ab870,
+  0x9ac5b959, 0xed8f1c91, 0x7ecf02cd, 0x989c0e8b, 0xa31d6918, 0x1dc2bcc1,
+  0x99d3f3cc, 0x6857acc8, 0x45d7324a, 0xaebdf2e6, 0x7af2f2ae, 0x09716f73,
+  0x7816e694, 0xc65493c0, 0x9f7e87bc, 0xaa96cd40, 0xbfb5bfc6, 0x01a2cce7,
+  0x5f1d8c46, 0x45303efb, 0xb24607c3, 0xef2009a7, 0xba873753, 0xbefb14bc,
+  0x74e53cd3, 0x70124708, 0x6eb4bdbd, 0xf3ba5e43, 0x4c94085f, 0x0c03e7e0,
+  0x9a084931, 0x62735424, 0xaeee77c5, 0xdb34f90f, 0x6860cbdd, 0xaf77cf9f,
+  0x95b28158, 0x23bd70d7, 0x9fbc3d88, 0x742e659e, 0x53bcfb48, 0xb8a63f6c,
+  0x4dcf3373, 0x2b168627, 0x4fe20745, 0xd0af5e94, 0x22514e6a, 0xb8ef25c2,
+  0x89ec781a, 0x13d9002b, 0x6d724500, 0x7fdbf63f, 0xb0e9ced5, 0xf919e0f3,
+  0x00fef203, 0x8905d47a, 0x434e7517, 0x4aef8e2c, 0x689f51e8, 0xe513b7c3,
+  0x72bbc5d2, 0x3a222f74, 0x05c3a0f9, 0xd5489d82, 0xb41fbe83, 0xec5d305f,
+  0x5ea02b0b, 0xb176065b, 0xa8eb404e, 0x80349117, 0x210fd49e, 0x43898d0e,
+  0x6c151b9c, 0x8742df18, 0x7b64de73, 0x1dbf52b2, 0x55c9cb19, 0xeb841f10,
+  0x10b8ae76, 0x0764ecb6, 0xb7479018, 0x2672cb3f, 0x7ac9ac90, 0x4be5332c,
+  0x8f1a0615, 0x4efb7a77, 0x16551a85, 0xdb2c3d66, 0x49179c07, 0x5dc4657e,
+  0x5e76907e, 0xd7486a9c, 0x445204a4, 0x65cdc426, 0x33f86ded, 0xcba95dda,
+  0x83351f16, 0xfedefad9, 0x639b620f, 0x86896a64, 0xba4099ba, 0x965f4a21,
+  0x1247154f, 0x25604c42, 0x5862d692, 0xb1e9149e, 0x612516a5, 0x02c49bf8,
+  0x631212bf, 0x9f69f54e, 0x168b63b0, 0x310a25ba, 0xa42a59cd, 0x084f0af9,
+  0x44a06cec, 0x5c0cda40, 0xb932d721, 0x7c42bb0d, 0x213cd3f0, 0xedc7f5a4,
+  0x7fb85859, 0x6b3da5ea, 0x61cd591e, 0xe8e9aa08, 0x4361fc34, 0x53d40d2a,
+  0x0511ad1b, 0xf996b44c, 0xb5ead756, 0xc022138d, 0x6172adf1, 0xa4a0a3b4,
+  0x8c2977b8, 0xa8e482ed, 0x04fcdd6b, 0x3f7b85d4, 0x4fca1e46, 0xa392ddca,
+  0x569fc791, 0x346a706c, 0x543bf3eb, 0x895b3cde, 0x2146bb80, 0x26b3c168,
+  0x929998db, 0x1ea472c9, 0x7207b36b, 0x6a8f10d4 
+};