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[Bug middle-end/17886] variable rotate and long long rotate should be better optimized
- 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: 25 Oct 2005 21:38:36 -0000
- Subject: [Bug middle-end/17886] variable rotate and long long rotate should be better optimized
- References: <bug-17886-7834@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #22 from cvs-commit at gcc dot gnu dot org 2005-10-25 21:38 -------
Subject: Bug 17886
CVSROOT: /cvs/gcc
Module name: gcc
Branch: apple-local-200502-branch
Changes by: echristo@gcc.gnu.org 2005-10-25 21:38:27
Modified files:
gcc : ChangeLog.apple-ppc expmed.c optabs.c
gcc/config/i386: i386.md
Log message:
2005-10-25 Eric Christopher <echristo@apple.com>
Import from mainline:
2005-09-28 Mark Mitchell <mark@codesourcery.com>
PR 17886
* expmed.c (expand_shift): Move logic to reverse rotation
direction when rotating by constants ...
* optabs.c (expand_binop): ... here.
* config/i386/i386.md (rotrdi3): Handle 32-bit mode.
(ix86_rotrdi3): New pattern.
(rotldi3): Handle 32-bit mode.
(ix86_rotldi3): New pattern.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.apple-ppc.diff?cvsroot=gcc&only_with_tag=apple-local-200502-branch&r1=1.1.4.200&r2=1.1.4.201
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/expmed.c.diff?cvsroot=gcc&only_with_tag=apple-local-200502-branch&r1=1.223.2.2&r2=1.223.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/optabs.c.diff?cvsroot=gcc&only_with_tag=apple-local-200502-branch&r1=1.260&r2=1.260.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&only_with_tag=apple-local-200502-branch&r1=1.618.2.10&r2=1.618.2.11
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17886