linux-kernel - Re: [PATCH] x86: Remove all definitions with fastcall

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Message-ID: <4761AC05.40807@zytor.com>
Date:	Thu, 13 Dec 2007 14:02:45 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Phillip Susi <psusi@....rr.com>
CC:	Harvey Harrison <harvey.harrison@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86: Remove all definitions with fastcall

Phillip Susi wrote:
> H. Peter Anvin wrote:
>> Not just default, it's the only thing supported.
>>
>>     -hpa
> 
> What about va args?  IIRC, fastcall fell back to stdcall after using up 
> registers, so va args HAD to be cdecl.
> 

On i386 gcc disables regparm implicitly for varadic functions.

	-hpa
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