Re: problem on modifying gcc backend for riscv

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On Fri, Jul 12, 2019 at 12:36:47PM +0000, Richard Earnshaw wrote:
> 
> 
> On 12/07/2019 12:23, Segher Boessenkool wrote:
> > So you'll have something like
> >
> > (define_insn "*mul<mode>3"
> >    ...
> 
> Well mul<mode>3 for standard modes is a defined expansion pattern for
> generating RTL from tree.  So I think you don't want the * in this case.

Faisal added a new

> >> (define_expand "mul<mode>3"

so you cannot name the define_insn (that does a different thing, btw)
the same.


Segher



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