From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23238 invoked by alias); 12 Oct 2004 22:55:39 -0000 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 Received: (qmail 23224 invoked by uid 48); 12 Oct 2004 22:55:37 -0000 Date: Tue, 12 Oct 2004 22:55:00 -0000 Message-ID: <20041012225537.23223.qmail@sourceware.org> From: "pinskia at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20041012224816.17958.zack@gcc.gnu.org> References: <20041012224816.17958.zack@gcc.gnu.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32 X-Bugzilla-Reason: CC X-SW-Source: 2004-10/txt/msg01657.txt.bz2 List-Id: ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-10-12 22:55 ------- not all constants though (power of 2 are fine) for an example 16: mr r12,r3 srawi r11,r3,31 srawi r9,r11,31 srawi r10,r11,31 srwi r10,r9,28 li r9,0 addc r12,r10,r4 adde r11,r9,r3 srwi r4,r12,4 insrwi r4,r11,4,0 srawi r3,r11,4 Confirmed. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|rtl-optimization |middle-end Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2004-10-12 22:55:35 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17958