From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-467169-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 25416 invoked by alias); 18 Nov 2014 11:51:41 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 25352 invoked by uid 48); 18 Nov 2014 11:51:38 -0000
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/63927] AddressSanitizer painfully slow on ppc64
Date: Tue, 18 Nov 2014 11:51:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: sanitizer
X-Bugzilla-Version: 5.0
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-63927-4-sk9RBU6Ykm@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-63927-4@http.gcc.gnu.org/bugzilla/>
References: <bug-63927-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2014-11/txt/msg01641.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63927

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
PowerPC is the only target with an abi that can backtrace correctly without a
frame pointer so it should be easy to implement that.

Even x86 is broken backtracking without a frame pointer.