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Re: [3.4-bib, Patch] rs6000 floating point multiply-add instructions


> Cc: Andrew Pinski <pinskia@physics.uc.edu>,
>    Segher Boessenkool <segher@chello.nl>, Dale Johannesen <dalej@apple.com>,
>    gcc-patches@gcc.gnu.org
> Date: Tue, 19 Nov 2002 17:14:26 -0500
> From: David Edelsohn <dje@watson.ibm.com>

> 	It unfortunately looks more complicated than I expected for GCC
> combine to try to recognize the transformed, non-canonical versions of the
> instructions.

What goes wrong?  I'd think it'd just be a change in combine_simplify_rtx.

-- 
- Geoffrey Keating <geoffk@geoffk.org>


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