(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
i386/
sse2-packuswb-1.c
       1  /* { dg-do run } */
       2  /* { dg-options "-O2 -msse2" } */
       3  /* { dg-require-effective-target sse2 } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse2-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse2_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  #include <emmintrin.h>
      16  
      17  static __m128i
      18  __attribute__((noinline, unused))
      19  test (__m128i s1, __m128i s2)
      20  {
      21    return _mm_packus_epi16 (s1, s2); 
      22  }
      23  
      24  static void
      25  TEST (void)
      26  {
      27    union128i_w s1, s2;
      28    union128i_ub u;
      29    unsigned char e[16];
      30    int i, tmp;
      31     
      32    s1.x = _mm_set_epi16 (1, 2, 3, 4, -5, -6, -7, -8);
      33    s2.x = _mm_set_epi16 (-9, -10, -11, -12, 13, 14, 15, 16);
      34    u.x = test (s1.x, s2.x); 
      35  
      36    for (i=0; i<8; i++)
      37      {
      38        tmp = s1.a[i]<0 ? 0 : s1.a[i];
      39        tmp = tmp>255 ? 255 : tmp;
      40        e[i] = tmp;
      41  
      42        tmp = s2.a[i]<0 ? 0 : s2.a[i];
      43        tmp = tmp>255 ? 255 : tmp;
      44        e[i+8] = tmp;
      45      }
      46  
      47    if (check_union128i_ub (u, e))
      48      abort ();
      49  }