From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5248 invoked by alias); 23 Jan 2005 16:03:48 -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 5193 invoked by uid 48); 23 Jan 2005 16:03:45 -0000 Date: Sun, 23 Jan 2005 16:03:00 -0000 Message-ID: <20050123160345.5192.qmail@sourceware.org> From: "steven at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20041222050828.19126.pinskia@gcc.gnu.org> References: <20041222050828.19126.pinskia@gcc.gnu.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/19126] Missed IV optimization (redundant instruction in loop) X-Bugzilla-Reason: CC X-SW-Source: 2005-01/txt/msg03324.txt.bz2 List-Id: ------- Additional Comments From steven at gcc dot gnu dot org 2005-01-23 16:03 ------- I get different asm for AMD64 as well: .L4: | .L11: movslq %r10d,%rax movslq %r10d,%rax movslq %r11d,%rdx movslq %r11d,%rdx incl %r9d incl %r9d leaq (%rcx,%rax,4), %rax | leaq (%rsi,%rax), %rax movss (%rbx,%rdx,4), %xmm0 | movss (%rbx,%rdx), %xmm0 addl %esi, %r11d | addl %ecx, %r11d addl %r8d, %r10d addl %r8d, %r10d cmpl %r9d, %edi cmpl %r9d, %edi addss (%rax), %xmm0 addss (%rax), %xmm0 movss %xmm0, (%rax) movss %xmm0, (%rax) jg .L4 | jg .L11 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19126