From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22510 invoked by alias); 29 Sep 2006 23:42:13 -0000 Received: (qmail 22487 invoked by uid 48); 29 Sep 2006 23:42:04 -0000 Date: Fri, 29 Sep 2006 23:42:00 -0000 Message-ID: <20060929234204.22486.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/29294] 4.1, 4.2 (possibly 4.0?) not finding postmodify address mode on ARM In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "eplondke at gmail dot com" 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/msg02800.txt.bz2 List-Id: ------- Comment #2 from eplondke at gmail dot com 2006-09-29 23:42 ------- GCC 4.1/4.2 ouptut looks like: postinc: @ args = 0, pretend = 0, frame = 0 @ frame_needed = 0, uses_anonymous_args = 0 ldr ip, [r1, #0] ldr r3, [r0, #0] stmfd sp!, {r4, lr} mul lr, r3, ip ldr r4, [r1, #4] ldr r2, [r0, #4] add r1, r1, #4 mla ip, r2, r4, lr add r0, r0, #4 ldr r2, [r1, #4] ldr r3, [r0, #4] add r1, r1, #4 mla lr, r3, r2, ip add r0, r0, #4 ldr r2, [r1, #4] ldr r3, [r0, #4] add r1, r1, #4 mla ip, r3, r2, lr add r0, r0, #4 .... GCC 3.4.2 output looks like: postinc: @ args = 0, pretend = 0, frame = 0 @ frame_needed = 0, uses_anonymous_args = 0 stmfd sp!, {r4, r5, lr} ldr r4, [r1], #4 ldr r5, [r0], #4 ldr r2, [r1], #4 ldr lr, [r0], #4 mul ip, r2, lr mla r3, r4, r5, ip ldr lr, [r0], #4 ldr r2, [r1], #4 mla r3, r2, lr, r3 ldr ip, [r0], #4 ldr r2, [r1], #4 mla r3, r2, ip, r3 .... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29294