view gcc/testsuite/gcc.dg/vect/vect-bswap16.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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line source

/* { dg-additional-options "-msse4" { target sse4_runtime } } */

#include "tree-vect.h"

#define N 128

static inline void
vfoo16 (unsigned short int* a)
{
  int i = 0;
  for (i = 0; i < N; ++i)
    a[i] = __builtin_bswap16 (a[i]);
}

int
main (void)
{
  unsigned short arr[N];
  unsigned short expect[N];
  int i;

  check_vect ();

  for (i = 0; i < N; ++i)
    {
      arr[i] = i;
      expect[i] = __builtin_bswap16 (i);
      asm volatile ("" ::: "memory");
    }

  vfoo16 (arr);

  for (i = 0; i < N; ++i)
    {
      if (arr[i] != expect[i])
        abort ();
    }

  return 0;
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_bswap || sse4_runtime } } } } */