From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26539 invoked by alias); 4 Sep 2006 17:49:11 -0000 Received: (qmail 26520 invoked by uid 48); 4 Sep 2006 17:49:01 -0000 Date: Mon, 04 Sep 2006 17:49:00 -0000 Message-ID: <20060904174901.26519.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/28946] [4.0/4.1/4.2 Regression] assembler shifts set the flag ZF, no need to re-test to zero In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "hjl at lucon dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-09/txt/msg00299.txt.bz2 List-Id: ------- Comment #2 from hjl at lucon dot org 2006-09-04 17:49 ------- It is entirely coincident. For some processors, it is an optimization to avoid partial flag register stall. When it is fixed, it should be reenabled with a new flag, something like TARGET_PARTIAL_FLAG_REG_STALL. -- hjl at lucon dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hjl at lucon dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28946