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[Bug optimization/13169] asm using r30 or r31 confuses global_alloc
- 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: 6 Dec 2003 12:22:37 -0000
- Subject: [Bug optimization/13169] asm using r30 or r31 confuses global_alloc
- References: <20031124032733.13169.amodra@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2003-12-06 12:22 -------
Subject: Bug 13169
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: amodra@gcc.gnu.org 2003-12-06 12:22:31
Modified files:
gcc : ChangeLog basic-block.h final.c flow.c global.c
regs.h
Log message:
PR 13169
* basic-block.h (PROP_ASM_SCAN): Define.
* final.c (regs_asm_clobbered): New array.
* regs.h (regs_asm_clobbered): Declare.
* flow.c (life_analysis): Init it.
(mark_set_regs): Set PROP_ASM_SCAN for asms.
(mark_set_1): Set regs_asm_clobbered.
* global.c (global_alloc): Don't set eliminable_regset when
regs_asm_clobbered.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1938&r2=2.1939
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/basic-block.h.diff?cvsroot=gcc&r1=1.183&r2=1.184
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/final.c.diff?cvsroot=gcc&r1=1.297&r2=1.298
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&r1=1.566&r2=1.567
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/global.c.diff?cvsroot=gcc&r1=1.94&r2=1.95
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/regs.h.diff?cvsroot=gcc&r1=1.30&r2=1.31
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13169