From b8434daf6b59aef144c76a4a0842550f64a2a56e Mon Sep 17 00:00:00 2001 From: nobu Date: Thu, 5 Dec 2013 01:47:58 +0000 Subject: [PATCH] ruby_atomic.h: duplicate code * ruby_atomic.h (ATOMIC_SIZE_CAS): remove duplicate code as ATOMIC_CAS(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43995 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ruby_atomic.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/ruby_atomic.h b/ruby_atomic.h index 7515c891b2..8e574153af 100644 --- a/ruby_atomic.h +++ b/ruby_atomic.h @@ -16,10 +16,6 @@ typedef unsigned int rb_atomic_t; # define ATOMIC_SIZE_ADD(var, val) __atomic_fetch_add(&(var), (val), __ATOMIC_SEQ_CST) # define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&(var), (val), __ATOMIC_SEQ_CST) -# define ATOMIC_SIZE_CAS(var, oldval, newval) \ -({ size_t oldvaldup = (oldval); \ - __atomic_compare_exchange_n(&(var), &oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \ - oldvaldup; }) #elif defined HAVE_GCC_SYNC_BUILTINS /* @shyouhei hack to support atomic operations in case of gcc. Gcc