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From: "dnovillo at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/30562] [4.3 Regression] remove unused variable is removing a referenced variable (in STORED_SYMS or LOADED_SYMS) Date: Thu, 08 Feb 2007 16:56:00 -0000 [thread overview] Message-ID: <20070208165600.23428.qmail@sourceware.org> (raw) In-Reply-To: <bug-30562-9596@http.gcc.gnu.org/bugzilla/> ------- Comment #6 from dnovillo at gcc dot gnu dot org 2007-02-08 16:56 ------- Subject: Bug 30562 Author: dnovillo Date: Thu Feb 8 16:55:43 2007 New Revision: 121715 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=121715 Log: PR 30562 * tree-flow.h (struct var_ann_d): Remove field 'is_used'. Update all users. * tree-ssa-alias.c (compute_is_aliased): Remove. Update all users. (init_alias_info): * tree-ssa-live.c (remove_unused_locals): Do not remove TREE_ADDRESSABLE variables. * tree-ssa-structalias.c (compute_points_to_sets): Tidy. * tree-ssa-operands.c (add_virtual_operand): Remove argument FOR_CLOBBER. Update all users. If VAR has an associated alias set, add a virtual operand for it if no alias is found to conflict with the memory reference. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-dfa.c trunk/gcc/tree-flow.h trunk/gcc/tree-ssa-alias.c trunk/gcc/tree-ssa-live.c trunk/gcc/tree-ssa-operands.c trunk/gcc/tree-ssa-structalias.c trunk/gcc/tree-ssa.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30562
next prev parent reply other threads:[~2007-02-08 16:56 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-01-23 20:54 [Bug c++/30562] New: ice for legal code with -O2 dcb314 at hotmail dot com 2007-01-23 20:55 ` [Bug c++/30562] " dcb314 at hotmail dot com 2007-01-25 17:23 ` [Bug c++/30562] [4.3 Regression] " pinskia at gcc dot gnu dot org 2007-01-27 3:41 ` pinskia at gcc dot gnu dot org 2007-02-05 19:49 ` [Bug tree-optimization/30562] [4.3 Regression] remove unused variable is removing a referenced variable (in STORED_SYMS or LOADED_SYMS) dnovillo at gcc dot gnu dot org 2007-02-07 23:33 ` dnovillo at gcc dot gnu dot org 2007-02-08 16:56 ` dnovillo at gcc dot gnu dot org [this message] 2007-02-08 17:10 ` dnovillo at gcc dot gnu dot org 2007-02-08 17:30 ` aldot at gcc dot gnu dot org 2007-03-20 15:31 ` pthaugen at us dot ibm dot com 2007-03-20 15:37 ` pinskia at gcc dot gnu dot org 2007-03-20 15:54 ` pthaugen at us dot ibm dot com
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