From: "H. Peter Anvin" <hpa@zytor.com>
To: Adrian Bunk <bunk@stusta.de>
Cc: Ingo Molnar <mingo@elte.hu>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Arjan van de Ven <arjan@infradead.org>, Andi Kleen <ak@muc.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [patch] x86: add -freg-struct-return to CFLAGS
Date: Thu, 22 Feb 2007 14:31:09 -0800 [thread overview]
Message-ID: <45DE19AD.1010404@zytor.com> (raw)
In-Reply-To: <20070222183557.GC8603@stusta.de>
Adrian Bunk wrote:
> On Thu, Feb 22, 2007 at 09:38:22AM +0100, Ingo Molnar wrote:
>> ...
>> --- linux.orig/arch/i386/Makefile
>> +++ linux/arch/i386/Makefile
>> @@ -31,7 +31,7 @@ LDFLAGS_vmlinux := --emit-relocs
>> endif
>> CHECKFLAGS += -D__i386__
>>
>> -CFLAGS += -pipe -msoft-float -mregparm=3
>> +CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return
>>
>> # prevent gcc from keeping the stack 16 byte aligned
>> CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
>
> Why is this i386 specific?
>
Because virtually all other architectures have it as their ABI default,
anyway, and ABI selection should be per architecture.
-hpa
next prev parent reply other threads:[~2007-02-22 22:34 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-22 1:28 -freg-struct-return? Jeremy Fitzhardinge
2007-02-22 8:04 ` -freg-struct-return? Arjan van de Ven
2007-02-22 8:09 ` -freg-struct-return? Jeremy Fitzhardinge
2007-02-22 8:15 ` -freg-struct-return? Arjan van de Ven
2007-02-22 8:30 ` -freg-struct-return? Jeremy Fitzhardinge
2007-02-22 8:37 ` -freg-struct-return? Ingo Molnar
2007-02-22 8:38 ` [patch] x86: add -freg-struct-return to CFLAGS Ingo Molnar
2007-02-22 11:23 ` Andi Kleen
2007-02-22 11:27 ` Arjan van de Ven
2007-02-22 18:35 ` Adrian Bunk
2007-02-22 22:31 ` H. Peter Anvin [this message]
2007-02-22 9:50 ` -freg-struct-return? Jakub Jelinek
2007-02-22 11:22 ` -freg-struct-return? Andi Kleen
2007-02-22 16:42 ` -freg-struct-return? H. Peter Anvin
2007-02-22 17:39 ` -freg-struct-return? Jeremy Fitzhardinge
2007-02-22 18:36 ` -freg-struct-return? Andi Kleen
2007-02-22 18:48 ` -freg-struct-return? H. Peter Anvin
2007-02-23 0:21 ` -freg-struct-return? Andi Kleen
2007-02-22 18:56 ` -freg-struct-return? Jan Engelhardt
2007-02-22 19:12 ` -freg-struct-return? H. Peter Anvin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=45DE19AD.1010404@zytor.com \
--to=hpa@zytor.com \
--cc=ak@muc.de \
--cc=akpm@linux-foundation.org \
--cc=arjan@infradead.org \
--cc=bunk@stusta.de \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.