view gcc/testsuite/gcc.dg/tree-ssa/gen-vect-26.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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/* { dg-do run { target vect_cmdline_needed } } */
/* { dg-options "-O2 -fno-tree-loop-distribute-patterns -ftree-vectorize -fdump-tree-vect-details -fvect-cost-model=dynamic" } */
/* { dg-additional-options "-mno-sse" { target { i?86-*-* x86_64-*-* } } } */

#include <stdlib.h>

#define N 128

/* unaligned store.  */

int main ()
{
  int i;
  char ia[N+1];

  for (i = 1; i <= N; i++)
    {
      ia[i] = 5;
    }

  /* check results:  */
  for (i = 1; i <= N; i++)
    {
      if (ia[i] != 5)
        abort ();
    }

  return 0;
}


/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { ! avr-*-* } } } } */
/* IBM Z does not require special alignment for vectorization.  */
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { target { ! { avr-*-* s390*-*-* } } } } } */
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target { ! { avr-*-* s390*-*-* } } } } } */