gcc/testsuite/gcc.target/i386/sse2-cvtsd2ss-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
  18 static __m128
  19 __attribute__((noinline, unused))
  20 test (__m128 p1, __m128d p2)
  21 {
  22   return _mm_cvtsd_ss (p1, p2);
  23 }
  24
  25 static void
  26 TEST (void)
  27 {
  28   union128d s1;
  29   union128 u, s2;
  30   double source1[2] = {123.345, 67.3321};
  31   float  e[4] = {5633.098, 93.21, 3.34, 4555.2};
  32
  33   s1.x = _mm_loadu_pd (source1);
  34   s2.x = _mm_loadu_ps (e);
  35
  36   u.x = test(s2.x, s1.x);
  37
  38   e[0] = (float)source1[0];
  39
  40   if (check_union128(u, e))
  41     abort ();
  42 }