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[Bug rtl-optimization/23392] [4.1 Regression] foward-1.m fails with -funroll-loops -O3 -fgnu-runtime
- From: "amodra at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Nov 2005 01:04:07 -0000
- Subject: [Bug rtl-optimization/23392] [4.1 Regression] foward-1.m fails with -funroll-loops -O3 -fgnu-runtime
- References: <bug-23392-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #15 from amodra at gcc dot gnu dot org 2005-11-16 01:04 -------
Subject: Bug 23392
Author: amodra
Date: Wed Nov 16 01:03:58 2005
New Revision: 107060
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=107060
Log:
PR rtl-optimization/23392
* regrename.c (enum scan_actions) Add mark_access.
(scan_actions_name): Ditto.
(scan_rtx_reg): Handle mark_access.
(scan_rtx_address): Do nothing for mark_access.
(build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
and regs in REG_INC notes before closing chains for dead regs.
Mark destination regs in REG_FRAME_RELATED_EXPR notes after
opening chains for new writes.
Modified:
branches/gcc-4_0-branch/gcc/ChangeLog
branches/gcc-4_0-branch/gcc/regrename.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23392