From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28623 invoked by alias); 23 Apr 2007 02:04:32 -0000 Received: (qmail 28591 invoked by uid 48); 23 Apr 2007 02:04:20 -0000 Date: Mon, 23 Apr 2007 02:04:00 -0000 Message-ID: <20070423020420.28590.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/31661] mmintrin calls are slower than plain C In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "pinskia 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: 2007-04/txt/msg01656.txt.bz2 ------- Comment #1 from pinskia at gcc dot gnu dot org 2007-04-23 03:04 ------- the main reason why it is slower is because taking the address messes up the lots of stuff. And also MMX is slower because we try not to reload it so this is a target issue. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement Component|c |target GCC host triplet|fedora core 5; pentium III | GCC target triplet| |i686-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31661