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r112639 - in /branches/gcc-4_1-branch/gcc: Chan...
- From: bonzini at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Mon, 03 Apr 2006 13:37:07 -0000
- Subject: r112639 - in /branches/gcc-4_1-branch/gcc: Chan...
Author: bonzini
Date: Mon Apr 3 13:37:07 2006
New Revision: 112639
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=112639
Log:
2006-04-03 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/26830
* tree-cfg.c (tree_duplicate_sese_region): Do not update SSA.
* tree-ssa-loop-ch.c (copy_loop_headers): Count successfully duplicated
headers and, if there was any, update SSA at the end.
Backport from mainline:
2006-03-30 Paolo Bonzini <bonzini@gnu.org>
* tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
(copy_prop_visit_stmt): Remove write-only variable ann.
(init_copy_prop): Check variable loop depth here. Do not simulate
memory-tag and virtual operand PHIs except for store copy prop.
Modified:
branches/gcc-4_1-branch/gcc/ChangeLog
branches/gcc-4_1-branch/gcc/tree-cfg.c
branches/gcc-4_1-branch/gcc/tree-ssa-copy.c
branches/gcc-4_1-branch/gcc/tree-ssa-loop-ch.c