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[Bug target/14663] [3.5 regression] bootstrap failure in libobjc (first .m file)
- From: "dave at hiauly1 dot hia dot nrc dot ca" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Mar 2004 03:29:10 -0000
- Subject: [Bug target/14663] [3.5 regression] bootstrap failure in libobjc (first .m file)
- References: <20040320143129.14663.debian-gcc@lists.debian.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dave at hiauly1 dot hia dot nrc dot ca 2004-03-21 03:29 -------
Subject: Re: [3.5 regression] bootstrap failure in libobjc
This is the patch that caused the testsuite regression:
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: rsandifo@gcc.gnu.org 2004-03-19 09:59:01
Modified files:
gcc : ChangeLog expmed.c
Log message:
* expmed.c (choose_mult_variant, expand_mult_const): New, split from...
(expand_mult): ...here.
(extract_high_half): New, split out from expand_mult_highpart.
(expand_highpart_optab): Likewise. Don't clobber target prematurely.
(expand_highpart): Evaluate the cost of a shift/add sequence,
then see if any of the specialized optabs are cheaper.
I still haven't identified the change that caused the linking.m
error but possibly reverting Richard's change will fix it.
Dave
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14663