gcc/testsuite/gcc.target/i386/sse-movss-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse" } */
   3 /* { dg-require-effective-target sse } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 #include <xmmintrin.h>
  16
  17 static __m128
  18 __attribute__((noinline, unused))
  19 test (float *e)
  20 {
  21   return _mm_load_ss (e);
  22 }
  23
  24 static void
  25 TEST (void)
  26 {
  27   union128 u;
  28   float e[4] = {1.1, 2.2, 3.3, 4.4};
  29
  30   u.x = _mm_set_ps (2134.3343,1234.635654, 1.2234, 876.8976);
  31
  32   u.x = test (e);
  33
  34   e[1] = u.a[1];
  35   e[2] = u.a[2];
  36   e[3] = u.a[3];
  37
  38   if (check_union128 (u, e))
  39     abort ();
  40 }