r184009 - in /trunk/gcc: ChangeLog optabs.c

[amacleod@gcc.gnu.org]

Author: amacleod
Date: Wed Feb  8 15:26:02 2012
New Revision: 184009

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184009
Log:

	* optabs.c (expand_atomic_load): Do not assume compare_and_swap will
	succeed for larger than word integers.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/optabs.c