From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22920 invoked by alias); 6 Jan 2010 12:00:38 -0000 Received: (qmail 22855 invoked by uid 48); 6 Jan 2010 12:00:19 -0000 Date: Wed, 06 Jan 2010 12:00:00 -0000 Message-ID: <20100106120019.22854.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/42631] [4.5 Regression] "-fcompare-debug failure" with "-O1 -funroll-loops" In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth 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/msg00628.txt.bz2 ------- Comment #1 from rguenth at gcc dot gnu dot org 2010-01-06 12:00 ------- Confirmed. We have regno differences. -(insn# 0 0 t.c:4 (set (reg/v:SI 0 ax [orig:67 k ] [67]) +(insn# 0 0 t.c:4 (set (reg/v:SI 0 ax [orig:68 k ] [68]) works ok with -fno-var-tracking-assignments. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |aoliva at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Component|debug |rtl-optimization Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-01-06 12:00:18 date| | Summary|"-fcompare-debug failure" |[4.5 Regression] "-fcompare- |with "-O1 -funroll-loops" |debug failure" with "-O1 - | |funroll-loops" Target Milestone|--- |4.5.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42631