From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31514 invoked by alias); 7 Jan 2010 11:45:37 -0000 Received: (qmail 31460 invoked by uid 48); 7 Jan 2010 11:45:25 -0000 Date: Thu, 07 Jan 2010 11:45:00 -0000 Message-ID: <20100107114525.31459.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/42505] [4.4 / 4.5 regression] loop canonicalization causes a lot of unnecessary temporary variables In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rearnsha 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: 2010-01/txt/msg00757.txt.bz2 ------- Comment #3 from rearnsha at gcc dot gnu dot org 2010-01-07 11:45 ------- (In reply to comment #2) > 1. Yes, the flags used are "-mthumb -Os -march=armv5te". > 4c: e8bd41f0 pop {r4, r5, r6, r7, r8, lr} > 50: e12fff1e bx lr > This looks more like a return sequence for v4t than v5te -- why isn't the PC popped directly? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42505