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Re: Combine four insns

From: Andi Kleen <andi at firstfloor dot org>
To: Steven Bosscher <stevenb dot gcc at gmail dot com>
Cc: Andi Kleen <andi at firstfloor dot org>, Richard Guenther <richard dot guenther at gmail dot com>, Bernd Schmidt <bernds at codesourcery dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Tue, 10 Aug 2010 18:47:21 +0200
Subject: Re: Combine four insns
References: <4C5C20D0.5020105@codesourcery.com> <AANLkTimmPSgpS=1RcHqZD94=yN+kT-MqNd9-i2_Ywc=t@mail.gmail.com> <4C5C6BAA.4030703@codesourcery.com> <AANLkTikyui9waDT8hv_30xRtBHOvb85phZhbVaO+uEs3@mail.gmail.com> <4C6162D4.6080605@codesourcery.com> <AANLkTim=8XK9ZVjzvJBKerQtuCB3qfsk_zR_30PcQqdn@mail.gmail.com> <AANLkTik0r-56QNrQ-QLf4SF0r1K2WWwR=0TX4OjhSvhG@mail.gmail.com> <8739um8mz5.fsf@basil.nowhere.org> <AANLkTi=MeRRfBBYcdkdfSrstfLRTH0_NLnujHRBQyz_x@mail.gmail.com>

> > To be honest I didn't fully understand why it's ok for -Os
> > to be 1% slower. A lot of people use -Os.
> 
> Yes, and they expect the smallest code possible. This patch does seem
> to help for that.

They also expect reasonable fast compilation.

-Andi

Follow-Ups:
- Re: Combine four insns
  - From: David Daney

References:
- Combine four insns
  - From: Bernd Schmidt
- Re: Combine four insns
  - From: Richard Guenther
- Re: Combine four insns
  - From: Bernd Schmidt
- Re: Combine four insns
  - From: Richard Guenther
- Re: Combine four insns
  - From: Bernd Schmidt
- Re: Combine four insns
  - From: Richard Guenther
- Re: Combine four insns
  - From: Steven Bosscher
- Re: Combine four insns
  - From: Andi Kleen
- Re: Combine four insns
  - From: Steven Bosscher

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