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view gcc/testsuite/gcc.dg/fold-modpow2.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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line source

/* { dg-do compile } */
/* { dg-options "-fdump-tree-original" } */

unsigned int
my_mod (unsigned int a, unsigned int b)
{
  return a % (1 << b);
}

/* The above should be simplified to (unsigned int) ((1 << b) + -1) & a */
/* { dg-final { scan-tree-dump "& a;" "original" } } */