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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
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