From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2910 invoked by alias); 11 Apr 2008 19:09:33 -0000 Received: (qmail 2639 invoked by uid 48); 11 Apr 2008 19:08:39 -0000 Date: Fri, 11 Apr 2008 19:09:00 -0000 Message-ID: <20080411190839.2638.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/35907] [4.3/4.4 Regression] 64-bit power6 glibc miscompilation In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "bergner 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: 2008-04/txt/msg00847.txt.bz2 ------- Comment #9 from bergner at gcc dot gnu dot org 2008-04-11 19:08 ------- This isn't accessing data below the stack pointer, it's accessing below the previous stack pointer value which is in the current stack frame. >>From a technical standpoint, the ppc64 ABI allows us to access some number of bytes (144?) below the stack pointer, but the ppc32 ABI does not. -- bergner at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |bergner at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Last reconfirmed|2008-04-11 17:33:25 |2008-04-11 19:08:38 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35907