gcc/testsuite/gcc.target/powerpc/sse2-pmaddwd-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mvsx -Wno-psabi" } */
   3 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   4 /* { dg-require-effective-target p8vector_hw } */
   5
   6 #ifndef CHECK_H
   7 #define CHECK_H "sse2-check.h"
   8 #endif
   9
  10 #include CHECK_H
  11
  12 #ifndef TEST
  13 #define TEST sse2_test_pmaddwd_1
  14 #endif
  15
  16 #include <emmintrin.h>
  17
  18 static __m128i
  19 __attribute__((noinline, unused))
  20 test (__m128i s1, __m128i s2)
  21 {
  22   __asm("" : "+v"(s1), "+v"(s2));
  23   return _mm_madd_epi16 (s1, s2);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   union128i_w  s1, s2;
  30   union128i_d u;
  31   int e[4];
  32   int i;
  33
  34   s1.x = _mm_set_epi16 (2134,3343,1234,6354, 1, 3, 4, 5);
  35   s2.x = _mm_set_epi16 (41124,234,2344,2354,9, -1, -8, -10);
  36   u.x = test (s1.x, s2.x);
  37
  38   for (i = 0; i < 4; i++)
  39     e[i] = (s1.a[i*2] * s2.a[i*2])+(s1.a[(i*2) + 1] * s2.a[(i*2) + 1]);
  40
  41   if (check_union128i_d (u, e))
  42     abort ();
  43 }