From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19668 invoked by alias); 6 Aug 2009 04:11:36 -0000 Received: (qmail 19633 invoked by uid 48); 6 Aug 2009 04:11:23 -0000 Date: Thu, 06 Aug 2009 04:11:00 -0000 Subject: [Bug target/40983] New: The scheduler incorrectly swaps MMX and floating point instructions X-Bugzilla-Reason: CC Message-ID: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "mikulas at artax dot karlin dot mff dot cuni dot cz" 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: 2009-08/txt/msg00607.txt.bz2 Hi This example fails, because in function "f", the scheduler incorrectly swapped floating point store to "c" and load of mmx registers. Compile with -O2 -march=pentium-mmx -- Summary: The scheduler incorrectly swaps MMX and floating point instructions Product: gcc Version: 4.4.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: mikulas at artax dot karlin dot mff dot cuni dot cz GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40983