gcc/testsuite/gcc.target/powerpc/sse4_2-pcmpgtq.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mvsx" } */
   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 "sse4_2-check.h"
   8 #endif
   9
  10 #ifndef TEST
  11 #define TEST sse4_2_test
  12 #endif
  13
  14 #include CHECK_H
  15
  16 #include <nmmintrin.h>
  17
  18 #define NUM 64
  19
  20 static void
  21 TEST (void)
  22 {
  23   union
  24     {
  25       __m128i x[NUM / 2];
  26       long long ll[NUM];
  27     } dst, src1, src2;
  28   int i, sign = 1;
  29   long long is_eq;
  30
  31   for (i = 0; i < NUM; i++)
  32     {
  33       src1.ll[i] = i * i * sign;
  34       src2.ll[i] = (i + 20) * sign;
  35       sign = -sign;
  36     }
  37
  38   for (i = 0; i < NUM; i += 2)
  39     dst.x[i / 2] = _mm_cmpgt_epi64 (src1.x[i / 2], src2.x[i / 2]);
  40
  41   for (i = 0; i < NUM; i++)
  42     {
  43       is_eq = src1.ll[i] > src2.ll[i] ? 0xFFFFFFFFFFFFFFFFLL : 0LL;
  44       if (is_eq != dst.ll[i])
  45         abort ();
  46     }
  47 }