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r182422 - in /branches/gcc-4_5-branch/gcc: Chan...
- From: ebotcazou at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 16 Dec 2011 23:39:24 -0000
- Subject: r182422 - in /branches/gcc-4_5-branch/gcc: Chan...
Author: ebotcazou
Date: Fri Dec 16 23:39:23 2011
New Revision: 182422
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182422
Log:
* config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
(frame_blockage): New expander.
(frame_blockage<P:mode>): New instruction.
* config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
instructions establishing the frame isn't atomic, emit frame blockage.
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/config/sparc/sparc.c
branches/gcc-4_5-branch/gcc/config/sparc/sparc.md