gcc/testsuite/gcc.target/i386/sse2-cvtdq2ps-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 __m128
  18 __attribute__((noinline, unused))
  19 test (__m128i p)
  20 {
  21   return _mm_cvtepi32_ps (p);
  22 }
  23
  24 static void
  25 TEST (void)
  26 {
  27   union128 u;
  28   union128i_d s;
  29   float e[4];
  30
  31   s.x = _mm_set_epi32 (123, 321, 456, 987);
  32
  33   u.x = test (s.x);
  34
  35   e[0] = (float)s.a[0];
  36   e[1] = (float)s.a[1];
  37   e[2] = (float)s.a[2];
  38   e[3] = (float)s.a[3];
  39
  40   if (check_union128 (u, e))
  41     abort ();
  42 }