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Re: New register allocator branch created
- To: dberlin at redhat dot com
- Subject: Re: New register allocator branch created
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- Date: Sun, 28 Jan 01 10:27:12 EST
- Cc: gcc at gcc dot gnu dot org
> <<I've worked with the new allocator on both x86, and PowerPC, and while
> it is orders of magnitude better than the old allocator, at least on x86,
> >>
>
> Can you explain what it means to say that a register allocator is powers
> of ten better than another allocator. What metric are you using?
How often it spills and the number of registers needed.
So it uses 1/100 the number of registers?