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[Bug middle-end/36753] [4.3/4.4 Regression] Forward propagation interacts badly with global register variable
- 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: 17 Jul 2008 09:20:17 -0000
- Subject: [Bug middle-end/36753] [4.3/4.4 Regression] Forward propagation interacts badly with global register variable
- References: <bug-36753-14988@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #12 from bonzini at gnu dot org 2008-07-17 09:20 -------
Subject: Bug 36753
Author: bonzini
Date: Thu Jul 17 09:19:31 2008
New Revision: 137915
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137915
Log:
gcc:
2008-07-17 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/36753
* fwprop.c (use_killed_between): Don't shortcut
single-definition global registers.
gcc/testsuite:
2008-07-17 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/36753
* gcc.target/i386/pr36753.c: New.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr36753.c
- copied unchanged from r137913,
trunk/gcc/testsuite/gcc.target/i386/pr36753.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/fwprop.c
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36753