From: Daniel Berlin <dberlin@dberlin.org>
To: qiongc@cse.unsw.edu.au (Qiong Cai)
Cc: gcc@gcc.gnu.org
Subject: Re: register allocation
Date: Sun, 02 May 2004 16:56:00 -0000 [thread overview]
Message-ID: <A7899CD0-9C59-11D8-AB97-000A95DA505C@dberlin.org> (raw)
In-Reply-To: <20040502132733.GA24763@cse.unsw.EDU.AU>
On May 2, 2004, at 9:27 AM, Qiong Cai wrote:
> Hi,
>
> I'm going to study register allocation in GCC.
What do you mean "study"?
To be honest, we already know a lot about GCC register allocation, it's
shortcomings, etc.
This is true for both allocators.
> Currently GCC has
> two register allocators. Here some questions:
> * Is there any performance results(eg. spec2k results) available for
> these two allocators?
Yes, for various platforms.
Check the mailing list archives.
> * Besides those ra*.[c,h] files, is tthere any other source files
> related
> to register allocation?
local-alloc, global-alloc (the "old" allocator)
> * Which function, if available, calcuate the register pressure,
> which is the defined as the max number of live variable for a basic
> block?
>
None.
> Many thanks.
>
> Qiong
next prev parent reply other threads:[~2004-05-02 16:56 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-02 13:27 Qiong Cai
2004-05-02 16:56 ` Daniel Berlin [this message]
2004-05-03 7:07 ` Michael Matz
-- strict thread matches above, loose matches on Subject: below --
2010-12-23 8:13 roy rosen
2010-12-23 16:48 ` Vladimir Makarov
2010-12-23 17:22 ` Jeff Law
2010-12-27 15:43 ` roy rosen
2011-01-03 15:41 ` Jeff Law
2011-01-05 14:44 ` roy rosen
2011-01-05 15:26 ` Jeff Law
2011-01-11 16:11 ` Vladimir Makarov
2011-01-11 15:53 ` Vladimir Makarov
2005-11-24 20:51 Register Allocation Joern RENNECKE
2005-11-17 16:53 Andrew MacLeod
2005-11-18 2:55 ` Mark Mitchell
2005-11-18 3:27 ` Daniel Jacobowitz
2005-11-18 9:53 ` Giovanni Bajo
2005-11-18 15:28 ` Andrew MacLeod
2005-11-19 19:31 ` Ian Lance Taylor
2005-11-19 20:20 ` Denis Chertykov
2005-11-20 0:20 ` Giovanni Bajo
2005-11-23 17:07 ` Andrew MacLeod
2005-11-23 20:43 ` Ian Lance Taylor
2005-11-20 0:37 ` Steven Bosscher
2005-11-23 17:08 ` Andrew MacLeod
2005-11-22 19:26 ` Peter Bergner
2005-11-22 21:55 ` Steven Bosscher
[not found] ` <200511222256.13823.>
2005-11-22 22:58 ` Peter Bergner
2005-11-23 14:06 ` Michael Matz
2005-11-23 20:50 ` Peter Bergner
2005-11-23 17:08 ` Andrew MacLeod
2004-09-22 1:21 Adrian Strätling
2004-09-22 5:22 ` tm_gccmail
2004-10-04 14:13 ` Nick Ing-Simmons
2004-03-26 22:21 John Lu
2004-03-26 22:21 ` Vladimir N. Makarov
2004-03-26 22:26 ` Andrew MacLeod
2004-03-27 18:22 ` Andi Kleen
2002-03-12 6:21 register Allocation Danish Samad
1997-10-14 5:51 Register allocation Thomas Koenig
1998-12-21 22:38 ` Jeffrey A Law
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