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Re: subreg pass

From: Andi Kleen <andi at firstfloor dot org>
To: Roman Zippel <zippel at linux-m68k dot org>
Cc: gcc at gcc dot gnu dot org
Date: 06 Mar 2007 16:15:04 +0100
Subject: Re: subreg pass
References: <Pine.LNX.4.64.0703051406490.14457@scrub.home.suse.lists.egcs>

Roman Zippel <zippel@linux-m68k.org> writes:

> The new subreg lowering pass seems to generate a bit worse code on m68k 
> than before, let's take simple example:

FWIW 

I see the opposite on i386: I have a function that strangely ran
slower with -fomit-frame-pointer than without on 4.1. With a 4.3
snapshot -fomit-frame-pointer is faster as expected.

-Andi

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