From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18911 invoked by alias); 5 Aug 2010 19:26:17 -0000 Received: (qmail 18851 invoked by alias); 5 Aug 2010 19:26:02 -0000 Date: Thu, 05 Aug 2010 19:26:00 -0000 Message-ID: <20100805192602.18850.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug bootstrap/44970] [4.6 regression] Revision 162270 failed to bootstrap In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "dave at hiauly1 dot hia dot nrc dot ca" 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: 2010-08/txt/msg00343.txt.bz2 ------- Comment #57 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Subject: Re: [4.6 regression] Revision 162270 failed to bootstrap On Thu, 05 Aug 2010, bernds at gcc dot gnu dot org wrote: > If you could experiment with passing -fdbg-cnt=bug:N to the compiler, where N > is an integer value, using a binary search you should arrive relatively quickly > at a value of N where the generated code is OK for N but fails for N + 1. > Then, could you attach good/bad assembly files and debug dumps? Just the > .expand, .combine and .ira dumps initially would be helpful if we want to save > disk space here. Failure occurs for N = 0. N = 1 compiles successfully. Attached files. Dave ------- Comment #58 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21403) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21403&action=view) ------- Comment #59 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21404) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21404&action=view) ------- Comment #60 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21405) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21405&action=view) ------- Comment #61 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21406) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21406&action=view) ------- Comment #62 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21407) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21407&action=view) ------- Comment #63 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21408) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21408&action=view) ------- Comment #64 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21409) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21409&action=view) ------- Comment #65 from dave at hiauly1 dot hia dot nrc dot ca 2010-08-05 19:26 ------- Created an attachment (id=21410) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21410&action=view) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44970