From a954f83b29d61c15338b8989306a85703e1c9e34 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 29 Jul 2015 02:13:00 +0000
Subject: internal.h: ensure a boolean

* internal.h (LIKELY, UNLIKELY): make a boolean to enforce 1 or 0.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51420 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 internal.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'internal.h')

diff --git a/internal.h b/internal.h
index 58ff89763c..a9b3ee4824 100644
--- a/internal.h
+++ b/internal.h
@@ -25,8 +25,8 @@ extern "C" {
 
 /* likely */
 #if __GNUC__ >= 3
-#define LIKELY(x)   (__builtin_expect((x), 1))
-#define UNLIKELY(x) (__builtin_expect((x), 0))
+#define LIKELY(x)   (__builtin_expect(!(x), 0))
+#define UNLIKELY(x) (__builtin_expect(!(x), 1))
 #else /* __GNUC__ >= 3 */
 #define LIKELY(x)   (x)
 #define UNLIKELY(x) (x)
-- 
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