How to split mulsi3 pattern

Richard Henderson rth@redhat.com
Thu Nov 12 16:02:00 GMT 2009


On 11/12/2009 05:40 AM, Mohamed Shafi wrote:
> So i need to change the mode of the register from SI to HI after
> reloading. Is that allowed?

Of course.  It's also allowed before reload:

   (subreg:HI (reg:SI foo) 0)

See gen_lowpart.


r~



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