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[Bug rtl-optimization/29798] [4.3 Regression] -O2 gives wrong results
- From: "bonzini at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Nov 2006 08:46:37 -0000
- Subject: [Bug rtl-optimization/29798] [4.3 Regression] -O2 gives wrong results
- References: <bug-29798-11807@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from bonzini at gnu dot org 2006-11-14 08:46 -------
Subject: Bug 29798
Author: bonzini
Date: Tue Nov 14 08:46:26 2006
New Revision: 118808
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=118808
Log:
2006-11-14 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/29798
* fwprop.c (use_killed_between): Check that DEF_INSN dominates
TARGET_INSN before any other check.
(fwprop_init): Always calculate dominators.
(fwprop_done): Always free them.
2006-11-14 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/29798
* gcc.c-torture/execute/pr29798.c: New.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr29798.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fwprop.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29798