------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-09-01
06:05 -------
Subject: Bug 23478
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-4_0-branch
Changes by: [EMAIL PROTECTED] 2005-09-01 06:05:00
Modified files:
gcc : ChangeLog regs.h global.c flow.c local-alloc.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/g++.dg/opt: pr23478.C
Log message:
PR rtl-optimization/23478
* regs.h (reg_info): Add throw_calls_crossed.
(REG_N_THROWING_CALLS_CROSSED): Define.
* flow.c (allocate_reg_life_data): Initialize
REG_N_THROWING_CALLS_CROSSED.
(propagate_one_insn, attempt_auto_inc): Update
REG_N_THROWING_CALLS_CROSSED.
* local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
(alloc_qty): Initialize it.
(update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
(combine_regs): Combine also n_throwing_calls_crossed fields.
(find_free_reg): Don't attempt to caller-save pseudos crossing
calls that might throw.
* global.c (struct allocno): Add throwing_calls_crossed field.
(global_alloc): Initialize throwing_calls_crossed.
(find_reg): Don't attempt to caller-save pseudos crossing calls that
might throw.
* g++.dg/opt/pr23478.C: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.403&r2=2.7592.2.404
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/regs.h.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.38&r2=1.38.12.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/global.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.123&r2=1.123.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.620&r2=1.620.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/local-alloc.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.144&r2=1.144.10.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.364&r2=1.5084.2.365
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/opt/pr23478.C.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.1.2.1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23478
