Mercurial > hg > CbC > CbC_gcc

view gcc/testsuite/gcc.dg/predict-17.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
line wrap: on
line source

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-profile_estimate" } */

extern int global;

void foo (int base)
{
  for (int i = 0; __builtin_expect_with_probability (i < base, 1, 0.05f); i++)
    global++;
}

/* { dg-final { scan-tree-dump "first match heuristics: 5.00%" "profile_estimate"} } */
/* { dg-final { scan-tree-dump "__builtin_expect_with_probability heuristics of edge .*->.*: 5.00%" "profile_estimate"} } */