gcc/testsuite/gcc.target/powerpc/sse2-packsswb-1.c

/* { dg-do run } */
/* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
/* { dg-require-effective-target p8vector_hw } */

#ifndef CHECK_H
#define CHECK_H "sse2-check.h"
#endif

#include CHECK_H

#ifndef TEST
#define TEST sse2_test_packsswb_1
#endif

#include <emmintrin.h>

static __m128i
__attribute__((noinline, unused))
test (__m128i s1, __m128i s2)
{
  __asm("" : "+v"(s1), "+v"(s2));
  return _mm_packs_epi16 (s1, s2); 
}

static void
TEST (void)
{
  union128i_w s1, s2;
  union128i_b u;
  char e[16];
  int i;
   
  s1.x = _mm_set_epi16 (2134, -128, 1234, 6354, 1002, 3004, 4050, 9999);
  s2.x = _mm_set_epi16 (41124, 234, 2344, 2354, 607, 1, 2, -8009);
  u.x = test (s1.x, s2.x); 

  for (i = 0; i < 8; i++)
    {
      if (s1.a[i] > 127)
        e[i] = 127;
      else if (s1.a[i] < -128)
        e[i] = -128;
      else
        e[i] = s1.a[i];
    }
  
  for (i = 0; i < 8; i++)
   {
      if (s2.a[i] > 127)
        e[i+8] = 127;
      else if (s2.a[i] < -128)
        e[i+8] = -128;
      else
        e[i+8] = s2.a[i];
    }

  if (check_union128i_b (u, e))
    {
#if DEBUG
      printf ("sse2_test_packsswb_1; check_union128i_w failed\n");
      printf ("\t ([%x,%x,%x,%x, %x,%x,%x,%x], [%x,%x,%x,%x, %x,%x,%x,%x])\n",
	      s1.a[0], s1.a[1], s1.a[2], s1.a[3], s1.a[4], s1.a[5], s1.a[6],
	      s1.a[7], s2.a[0], s2.a[1], s2.a[2], s2.a[3], s2.a[4], s2.a[5],
	      s2.a[6], s2.a[7]);
      printf ("\t\t -> [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x]\n",
	      u.a[0], u.a[1], u.a[2], u.a[3], u.a[4], u.a[5], u.a[6], u.a[7],
	      u.a[8], u.a[9], u.a[10], u.a[11], u.a[12], u.a[13], u.a[14],
	      u.a[15]);
      printf ("\t expect [%x,%x,%x,%x, %x,%x,%x,%x,"
	      " %x,%x,%x,%x, %x,%x,%x,%x]\n",
	      e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7], e[8], e[9],
	      e[10], e[11], e[12], e[13], e[14], e[15]);
#endif
      abort ();
    }
}