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

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector" } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-require-effective-target p8vector_hw } */
   5
   6 #define NO_WARN_X86_INTRINSICS 1
   7 #ifndef CHECK_H
   8 #define CHECK_H "mmx-check.h"
   9 #endif
  10
  11 #ifndef TEST
  12 #define TEST mmx_test
  13 #endif
  14
  15 #include CHECK_H
  16
  17 #include <mmintrin.h>
  18
  19 static __m64
  20 __attribute__((noinline, unused))
  21 test (__m64 s1, __m64 s2)
  22 {
  23   return _mm_madd_pi16 (s1, s2);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   __m64_union u, s1, s2;
  30   __m64_union e;
  31   int i;
  32
  33   s1.as_m64 = _mm_set_pi16 (2134, 3334, 1234, 6354);
  34   s2.as_m64 = _mm_set_pi16 (1, 3, 4, 5);
  35   u.as_m64 = test (s1.as_m64, s2.as_m64);
  36
  37   for (i = 0; i < 2; i++)
  38     e.as_int[i] = (s1.as_short[i * 2] * s2.as_short[i * 2])
  39         + (s1.as_short[(i * 2) + 1] * s2.as_short[(i * 2) + 1]);
  40
  41   if (u.as_m64 != e.as_m64)
  42     abort ();
  43 }