view gcc/testsuite/gcc.dg/unroll-3.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-cunrolli-details -fno-peel-loops -fno-tree-vrp -fdisable-tree-cunrolli=foo -fenable-tree-cunrolli=foo" } */

unsigned a[100], b[100];
inline void bar()
{
 a[10] = b[10];
}

int foo(void)
{
  int i;
  bar();
  for (i = 0; i < 2; i++)
  {
     a[i]= b[i] + 1;
  }
  return 1;
}

int foo2(void)
{
  int i;
  for (i = 0; i < 2; i++)
  {
     a[i]= b[i] + 1;
  }
  return 1;
}

/* { dg-final { scan-tree-dump-times "loop with 3 iterations completely unrolled" 1 "cunrolli" } } */