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Re: [RFA] The Integrated Register Allocator
- From: Andrew Haley <aph at redhat dot com>
- To: Vladimir Makarov <vmakarov at redhat dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 01 Apr 2008 10:47:59 +0100
- Subject: Re: [RFA] The Integrated Register Allocator
- References: <47F1A9D4.1010100@redhat.com>
Vladimir Makarov wrote:
> Hi, here is the Integrated Register Allocator (IRA). To make review
> more convenient, I am submitting IRA as a patch relative to recent
> trunk (at revision 133688).
>
> IRA is not a default register allocator. To switch it on, option
> -fira should be used. IRA is currently implemented only for
> x86/x86_64/ppc/itanium/sparc/arm/s390. For all other targets, the
> compiler will issue a warning for -fira and will use the old register
> allocator as previously.
Just out of interest, do you have any performance numbers for this?
Andrew.