regclass FLOAT_INT_REGS on x86/graph coloring allocator

[Michael Matz]

Hi,

On Sat, 3 Feb 2001, Daniel Berlin wrote:
> 
> Actually, the only thing that ties mine to registers is that we use
> FIRST_PSEUDO_REGISTER in a few places, max_reg as a size limit in some
> places, etc. I'll move it to do it allocation based on defs (as
> opposed to registers) tonight.

You can't use defs as base for the conflicting nodes, you really need
webs. Or you use SSA form, where of course defs and webs are the same.


Ciao,
Michael.