r192907 - in /branches/gcc-4_7-branch/gcc: Chan...

[xguo@gcc.gnu.org]

Author: xguo
Date: Mon Oct 29 06:44:23 2012
New Revision: 192907

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192907
Log:
	Backport from mainline
	2012-10-11  Terry Guo  <terry.guo@arm.com>

	* config/arm/arm.c (arm_arch6m): New variable to denote armv6-m
	architecture.
	* config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB
	instruction.

Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/config/arm/arm.c
    branches/gcc-4_7-branch/gcc/config/arm/arm.h