gcc/testsuite/gcc.target/i386/sse4a-montss.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse4a } */
   3 /* { dg-options "-O2 -msse4a" } */
   4
   5 #include "sse4a-check.h"
   6
   7 #include <ammintrin.h>
   8
   9 static void
  10 sse4a_test_movntss (float *out, float *in)
  11 {
  12   __m128 in_v4sf = _mm_load_ss (in);
  13   _mm_stream_ss (out, in_v4sf);
  14 }
  15
  16 static int
  17 chk_ss (float *v1, float *v2)
  18 {
  19   int n_fails = 0;
  20   if (v1[0] != v2[0])
  21     n_fails += 1;
  22   return n_fails;
  23 }
  24
  25 float vals[10] =
  26   {
  27     100.0,  200.0, 300.0, 400.0, 5.0,
  28     -1.0, .345, -21.5, 9.32,  8.41
  29   };
  30
  31 static void
  32 sse4a_test (void)
  33 {
  34   int i;
  35   int fail = 0;
  36   float *out;
  37
  38   out = (float *) malloc (sizeof (float));
  39   for (i = 0; i < 10; i += 1)
  40     {
  41       sse4a_test_movntss (out, &vals[i]);
  42
  43       fail += chk_ss (out, &vals[i]);
  44     }
  45
  46   if (fail != 0)
  47     abort ();
  48 }