(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
i386/
sse2-mmx-pmulhuw.c
       1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fno-strict-aliasing -msse2" } */
       3  /* { dg-additional-options "-mno-mmx" { target { ! ia32 } } } */
       4  
       5  #include "sse2-check.h"
       6  #include "mmx-vals.h"
       7  
       8  __attribute__((noinline, noclone))
       9  static void
      10  test_pmulhuw  (long long *ll1, long long *ll2, long long *r)
      11  {
      12    __m64 t1 = *(__m64 *) ll1;
      13    __m64 t2 = *(__m64 *) ll2;
      14    *(__m64 *) r = _m_pmulhuw (t1, t2);
      15  }
      16  
      17  /* Routine to manually compute the results */
      18  static void
      19  compute_correct_result (long long *dst_p, long long *src_p,
      20  			long long *res_p)
      21  {
      22    unsigned short *dst = (unsigned short *) dst_p;
      23    unsigned short *src = (unsigned short *) src_p;
      24    unsigned short *res = (unsigned short *) res_p;
      25    int i;
      26    for (i = 0; i < 4; i++)
      27      {
      28        unsigned int t = dst[i] * src[i];
      29        res[i] = t >> 16;
      30      }
      31  }
      32  
      33  static void
      34  sse2_test (void)
      35  {
      36    int i;
      37    long long r, ck;
      38    int fail = 0;
      39  
      40    /* Run the MMX tests */
      41    for (i = 0; i < MMX_num_ops; i += 2)
      42      {
      43        test_pmulhuw (&MMXops[i], &MMXops[i + 1], &r);
      44        compute_correct_result (&MMXops[i], &MMXops[i + 1], &ck);
      45        if (ck != r)
      46  	fail++;
      47      }
      48  
      49    if (fail != 0)
      50      abort ();
      51  }