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Re: RFC: Support target specific qSupported

> Date: Wed, 3 Feb 2010 14:03:36 -0500
> From: Daniel Jacobowitz <dan@codesourcery.com>
> 
> On Wed, Feb 03, 2010 at 10:59:14AM -0800, H.J. Lu wrote:
> > I am working x86 target descriptions. MMX is alias of ST. How do
> > I do it?
> 
> You have many options.  One is to never describe the MMX registers
> explicitly.  Make them pseudo-registers.  This is how ARM NEON
> single-precision registers work.
> 
> Aren't they pseudos already?  You may not have to do anything
> special.

They are.
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