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[Bug tree-optimization/16721] [4.0 Regression] Accesses to volatile objects optimized away
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Sep 2004 23:33:26 -0000
- Subject: [Bug tree-optimization/16721] [4.0 Regression] Accesses to volatile objects optimized away
- References: <20040726181156.16721.macro@linux-mips.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-09-22 23:33 -------
Subject: Bug 16721
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: dnovillo@gcc.gnu.org 2004-09-22 23:33:20
Modified files:
gcc : ChangeLog tree-dfa.c tree-ssa-alias.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.dg/tree-ssa: pr16721.c
Log message:
PR tree-optimization/16721
* tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
* tree-ssa-alias.c (create_memory_tag): Move setting of
TREE_THIS_VOLATILE ...
(get_tmt_for): ... here.
testsuite/ChangeLog
PR tree-optimization/16721
* testsuite/gcc.dg/tree-ssa/pr16721.c: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.5570&r2=2.5571
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-dfa.c.diff?cvsroot=gcc&r1=2.33&r2=2.34
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-alias.c.diff?cvsroot=gcc&r1=2.41&r2=2.42
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4331&r2=1.4332
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr16721.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16721