--- Comment #5 from pinskia at gmail dot com 2007-08-29 00:56 ---
Subject: Re: GCC outputs invalid assembly when using -O2
On 29 Aug 2007 00:53:35 -, Hans dot Boehm at hp dot com
<[EMAIL PROTECTED]> wrote:
> Based on Book 2, section 1.4 of the architecture manual, I believe aligned
On 29 Aug 2007 00:53:35 -, Hans dot Boehm at hp dot com
<[EMAIL PROTECTED]> wrote:
> Based on Book 2, section 1.4 of the architecture manual, I believe aligned
> word
> access are always atomic on PowerPC.
They are, even cache-inheited memory too.
-- Pinski
--- Comment #4 from Hans dot Boehm at hp dot com 2007-08-29 00:53 ---
I'll make the %X1 change upstream. Are there similar issues with some of the
other routines?
(See
http://bdwgc.cvs.sourceforge.net/bdwgc/bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/powerpc.h?revision=1.3&view=
--- Comment #3 from pinskia at gcc dot gnu dot org 2007-08-24 09:02 ---
No, the inline-asm is just wrong, you need to use a different thing for
including non indexed load/stores.
The inline-asm function should be written as:
static inline unsigned long
load_acquire(volatile unsigned lon
--- Comment #2 from ianw at gelato dot unsw dot edu dot au 2007-08-24
05:04 ---
Created an attachment (id=14099)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14099&action=view)
-S output with -O2
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33171
--- Comment #1 from ianw at gelato dot unsw dot edu dot au 2007-08-24
05:04 ---
Created an attachment (id=14098)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14098&action=view)
-S output with no optimisation
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33171
