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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-profile_estimate -frounding-math" } */

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"} } */