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Re: [PATCH] PowerPC multiply-add (was patch: rs6000 specific)



On Tuesday, December 4, 2001, at 02:46 PM, David Edelsohn wrote:

> 	Distinct and more descriptive Subject lines would have been
> helpful :^).

Yes, sorry.

> 	My biggest problem with the FMA patch is why GCC does not perform
> this transformation itself.  It seems sort of sad that we need to insert
> all of these variants instead of GCC canonicalizing the form itself.

It is sad, but of course the machine-independent parts currently have
no concept of multiply-add; these patterns arise from combine.




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