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r192518 - in /branches/gcc-4_7-branch/gcc: Chan...
- From: ebotcazou at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 16 Oct 2012 23:18:09 -0000
- Subject: r192518 - in /branches/gcc-4_7-branch/gcc: Chan...
Author: ebotcazou
Date: Tue Oct 16 23:18:08 2012
New Revision: 192518
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192518
Log:
PR rtl-optimization/54870
* tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME.
* cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the
SSA_NAME pointer that points to a partition if there is at least
one variable with it set in the partition.
* dse.c (local_variable_can_escape): New predicate.
(can_escape): Call it.
* gimplify.c (mark_addressable): If this is a partitioned decl, also
mark the SSA_NAME pointer that points to a partition.
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/cfgexpand.c
branches/gcc-4_7-branch/gcc/dse.c
branches/gcc-4_7-branch/gcc/gimplify.c
branches/gcc-4_7-branch/gcc/tree.h