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[Bug target/12900] [3.3/3.4 Regression] g++ ICE in rtl_verify_flow_info_1
- 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: 1 Dec 2003 08:10:31 -0000
- Subject: [Bug target/12900] [3.3/3.4 Regression] g++ ICE in rtl_verify_flow_info_1
- References: <20031104222541.12900.snyder@fnal.gov>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2003-12-01 08:10 -------
Subject: Bug 12900
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-3_3-branch
Changes by: ebotcazou@gcc.gnu.org 2003-12-01 08:10:18
Modified files:
gcc : ChangeLog reg-stack.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/g++.dg/opt: reg-stack4.C
Log message:
Backport from mainline:
2003-11-27 Eric Botcazou <ebotcazou@libertysurf.fr>
PR target/12900
* reg-stack (move_for_stack_reg): New prototype. Return
whether a control flow insn was deleted.
(subst_stack_regs_pat): Likewise, using the information provided
by move_for_stack_reg.
(subst_stack_regs): Likewise, using the information provided
by subst_stack_regs_pat.
(convert_regs_1): Record whether a control flow insn was deleted,
using the information provided by subst_stack_regs. Purge dead
edges only if a control flow insn was deleted.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.16114.2.811&r2=1.16114.2.812
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/reg-stack.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.117.2.5&r2=1.117.2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.2261.2.318&r2=1.2261.2.319
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/opt/reg-stack4.C.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=NONE&r2=1.1.2.1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12900