gcc/testsuite/gcc.target/powerpc/sse4_1-pmovsxbq.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target p8vector_hw } */
   3 /* { dg-options "-O2 -mvsx" } */
   4 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   5
   6 #ifndef CHECK_H
   7 #define CHECK_H "sse4_1-check.h"
   8 #endif
   9
  10 #ifndef TEST
  11 #define TEST sse4_1_test
  12 #endif
  13
  14 #include CHECK_H
  15
  16 #include <smmintrin.h>
  17
  18 #define NUM 128
  19
  20 static void
  21 TEST (void)
  22 {
  23   union
  24     {
  25       __m128i x[NUM / 2];
  26       long long ll[NUM];
  27       signed char c[NUM * 8];
  28     } dst, src;
  29   int i, sign = 1;
  30
  31   for (i = 0; i < NUM; i++)
  32     {
  33       src.c[(i % 2) + (i / 2) * 16] = i * i * sign;
  34       sign = -sign;
  35     }
  36
  37   for (i = 0; i < NUM; i += 2)
  38     dst.x [i / 2] = _mm_cvtepi8_epi64 (src.x [i / 2]);
  39
  40   for (i = 0; i < NUM; i++)
  41     if (src.c[(i % 2) + (i / 2) * 16] != dst.ll[i])
  42       abort ();
  43 }