From: Dave Jones <davej@redhat.com>
To: Andi Kleen <ak@suse.de>
Cc: jbeulich@novell.com, patches@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [8/19] x86: Use -maccumulate-outgoing-args
Date: Sat, 21 Oct 2006 13:18:48 -0400 [thread overview]
Message-ID: <20061021171848.GC30758@redhat.com> (raw)
In-Reply-To: <20061021165128.23A8913C4D@wotan.suse.de>
On Sat, Oct 21, 2006 at 06:51:28PM +0200, Andi Kleen wrote:
>
> This avoids some problems with gcc 4.x and earlier generating
> invalid unwind information. In 4.1 the option is default
> when unwind information is enabled.
>
> And it seems to generate smaller code too, so it's probably
> a good thing on its own. With gcc 4.0:
That's quite odd. The gcc man page mentions that
"The drawback is a notable increase in code size."
for this option. I wonder if this is just stale documentation,
or there's a reason why we're special :)
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2006-10-21 17:19 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20061021 651.356252000@suse.de>
2006-10-21 16:51 ` [PATCH] [1/19] x86_64: Update defconfig Andi Kleen
2006-10-21 16:51 ` [PATCH] [2/19] i386: " Andi Kleen
2006-10-21 16:51 ` [PATCH] [3/19] x86_64: x86_64 hot-add memory srat.c fix Andi Kleen
2006-10-21 16:51 ` [PATCH] [4/19] x86_64: typo in __assign_irq_vector when updating pos for vector and offset Andi Kleen
2006-10-21 16:51 ` [PATCH] [5/19] i386: fix .cfi_signal_frame copy-n-paste error Andi Kleen
2006-10-21 16:51 ` [PATCH] [6/19] x86_64: Fix for arch/x86_64/pci/Makefile CFLAGS Andi Kleen
2006-10-21 16:51 ` [PATCH] [7/19] x86_64: fix page align in e820 allocator Andi Kleen
2006-10-21 16:51 ` [PATCH] [8/19] x86: Use -maccumulate-outgoing-args Andi Kleen
2006-10-21 17:18 ` Dave Jones [this message]
2006-10-21 18:20 ` Andi Kleen
2006-10-21 16:51 ` [PATCH] [9/19] x86_64: Speed up dwarf2 unwinder Andi Kleen
2006-10-21 16:51 ` [PATCH] [10/19] x86_64: x86_64 add NX mask for PTE entry Andi Kleen
2006-10-21 16:51 ` [PATCH] [11/19] i386: Fix fake return address Andi Kleen
2006-10-21 18:12 ` Jeremy Fitzhardinge
2006-10-21 18:14 ` Andi Kleen
2006-10-21 18:17 ` Andreas Schwab
2006-10-21 16:51 ` [PATCH] [12/19] x86_64: Fix ENOSYS in system call tracing Andi Kleen
2006-10-21 16:51 ` [PATCH] [13/19] x86_64: Revert interrupt backlink changes Andi Kleen
2006-10-21 16:51 ` [PATCH] [14/19] i386: Disable nmi watchdog on all ThinkPads Andi Kleen
2006-10-21 17:24 ` Dave Jones
2006-10-21 18:11 ` [patches] " Andi Kleen
2006-10-21 18:14 ` Dave Jones
2006-10-21 18:22 ` Andi Kleen
2006-10-21 16:51 ` [PATCH] [16/19] x86: Revert new unwind kernel stack termination Andi Kleen
2006-10-21 16:51 ` [PATCH] [18/19] x86_64: Overlapping program headers in physical addr space fix Andi Kleen
2006-10-23 7:20 ` [patches] " Jan Beulich
2006-10-23 14:41 ` Vivek Goyal
2006-10-23 15:02 ` Ian Campbell
2006-10-23 16:08 ` Jan Beulich
2006-10-21 16:51 ` [PATCH] [19/19] x86_64: Revert timer routing behaviour back to 2.6.16 state Andi Kleen
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