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[Bug optimization/10842] [3.3 regression] [arm] Clobbered link register is copied to pc under certain circumstances
- 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: 14 Jun 2003 16:29:24 -0000
- Subject: [Bug optimization/10842] [3.3 regression] [arm] Clobbered link register is copied to pc under certain circumstances
- References: <20030518062600.10842.zhenya@silverbrookresearch.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10842
------- Additional Comments From cvs-commit@gcc.gnu.org 2003-06-14 16:29 -------
Subject: Bug 10842
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-3_3-branch
Changes by: rearnsha@gcc.gnu.org 2003-06-14 16:29:21
Modified files:
gcc : ChangeLog
gcc/config/arm : arm.md
Log message:
PR optimization/10842
From trunk:
2003-01-20 Nick Clifton <nickc@redhat.com>
* config/arm/arm.md (sibcall_epilogue): Add an
UNSPEC_PROLOGUE_USE to prevent the link register from being
considered dead.
2003-02-02 Richard Earnshaw <rearnsha@arm.com>
* arm.md (sibcall_epilogue): Set the "conds" to "clob".
(epilogue_insns): Likewise.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.16114.2.582&r2=1.16114.2.583
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/arm/arm.md.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.113.2.1&r2=1.113.2.2