gcc/testsuite/gcc.target/i386/sse2-pmaddwd-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 __m128i
  18 __attribute__((noinline, unused))
  19 test (__m128i s1, __m128i s2)
  20 {
  21   return _mm_madd_epi16 (s1, s2);
  22 }
  23
  24 static void
  25 TEST (void)
  26 {
  27   union128i_w  s1, s2;
  28   union128i_d u;
  29   int e[4];
  30   int i;
  31
  32   s1.x = _mm_set_epi16 (2134,3343,1234,6354, 1, 3, 4, 5);
  33   s2.x = _mm_set_epi16 (41124,234,2344,2354,9, -1, -8, -10);
  34   u.x = test (s1.x, s2.x);
  35
  36   for (i = 0; i < 4; i++)
  37     e[i] = (s1.a[i*2] * s2.a[i*2])+(s1.a[(i*2) + 1] * s2.a[(i*2) + 1]);
  38
  39   if (check_union128i_d (u, e))
  40     abort ();
  41 }