gcc/testsuite/gcc.target/powerpc/mmx-psubd-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mvsx" } */
   3 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   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_sub_pi32 (s1, s2);
  24 }
  25
  26 static __m64
  27 __attribute__((noinline, unused))
  28 test_alias (__m64 s1, __m64 s2)
  29 {
  30   return _m_psubd (s1, s2);
  31 }
  32
  33 static void
  34 TEST (void)
  35 {
  36   __m64_union u, s1, s2;
  37   __m64_union e, v;
  38   int i;
  39
  40   s1.as_m64 = _mm_setr_pi32 (30, 90);
  41   s2.as_m64 = _mm_setr_pi32 (76, -100);
  42   u.as_m64 = test (s1.as_m64, s2.as_m64);
  43   v.as_m64 = test_alias (s1.as_m64, s2.as_m64);
  44
  45   for (i = 0; i < 2; i++)
  46      e.as_int[i] = s1.as_int[i] - s2.as_int[i];
  47
  48   if (u.as_m64 != e.as_m64 || u.as_m64 != v.as_m64)
  49     abort ();
  50 }