This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: ARM improvements for GCSE

From: Maxim Kuvyrkov <maxim at codesourcery dot com>
To: Richard Earnshaw <Richard dot Earnshaw at arm dot com>
Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Thu, 24 Jun 2010 00:49:25 +0400
Subject: Re: ARM improvements for GCSE
References: <4C18F225.2040509@codesourcery.com> <4C227243.9080104@codesourcery.com>

This patch improves handling of "J" and "K" constants.

If a pseudo assigned a constant and set only once, IRA/reload can rematerialize it to decrease high register pressure.

OK to check in?

--
Maxim Kuvyrkov
CodeSourcery
maxim@codesourcery.com
(650) 331-3385 x724

Attachment: 0010-Allow-reload-rematerialize-J-and-K-constants.ChangeLog
Description: Text document

Attachment: 0010-Allow-reload-rematerialize-J-and-K-constants.patch
Description: Text document

Follow-Ups:
- Re: ARM improvements for GCSE
  - From: Richard Earnshaw

References:
- Improvements to code hoisting
  - From: Maxim Kuvyrkov
- ARM improvements for GCSE
  - From: Maxim Kuvyrkov

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]