From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19355 invoked by alias); 28 Oct 2009 10:27:43 -0000 Received: (qmail 19316 invoked by alias); 28 Oct 2009 10:27:32 -0000 Date: Wed, 28 Oct 2009 10:27:00 -0000 Message-ID: <20091028102732.19315.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/39715] [4.5 Regression][cond-optab] extra sign extensions on Thumb In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "bonzini at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2009-10/txt/msg02358.txt.bz2 ------- Comment #5 from bonzini at gnu dot org 2009-10-28 10:27 ------- Subject: Bug 39715 Author: bonzini Date: Wed Oct 28 10:27:15 2009 New Revision: 153651 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153651 Log: 2009-10-28 Paolo Bonzini PR rtl-optimization/39715 * combine.c (simplify_comparison): Use extensions to widen comparisons. Try an ANDing first. testsuite: 2009-10-28 Paolo Bonzini PR rtl-optimization/39715 * gcc.target/arm/thumb-bitfld1.c: New. Added: trunk/gcc/testsuite/gcc.target/arm/thumb-bitfld1.c Modified: trunk/gcc/ChangeLog trunk/gcc/combine.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39715