linux-kernel - Re: -freg-struct-return?

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Message-ID: <45DDC810.3000401@zytor.com>
Date:	Thu, 22 Feb 2007 08:42:56 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <ak@....de>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: -freg-struct-return?

Andi Kleen wrote:
> 
> I didn't think we had any that returned structures.
> 

Sometimes returning small structures is really nice.  If you can pass 
them in registers, it's often generates the fastest possible code; much 
better than using a pointer.

	-hpa
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