view gcc/testsuite/gcc.dg/vect/bb-slp-39.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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/* { dg-do compile } */
/* { dg-require-effective-target vect_double } */

double x[1024];

void foo (double *p)
{
  x[0] = 1.;
  x[1] = 2.;
  *p = 7.; // aliasing store
  x[0] = x[0] + 1;
  x[1] = x[1] + 1;
  *p = 8.; // aliasing store
  x[1] = x[1] + 1;
  x[0] = x[0] + 1;
}

/* See that we vectorize three SLP instances.  */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "slp2" } } */