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r180817 - in /branches/cxx-mem-model/gcc: Chang...


Author: rth
Date: Thu Nov  3 05:01:43 2011
New Revision: 180817

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180817
Log:
Fix mem_signal_fence and its fallbacks.

	* builtins.c (HAVE_mem_thread_fence, gen_mem_thread_fence,
	HAVE_mem_signal_fence, gen_mem_signal_fence): Default.
	(expand_builtin_mem_thread_fence): Tidy.
	(expand_builtin_mem_signal_fence): Fallback to asm memory barrier.

Modified:
    branches/cxx-mem-model/gcc/ChangeLog.mm
    branches/cxx-mem-model/gcc/builtins.c


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