PATCH: Re: ICE in single_set_1, at rtlanal.c:881

John David Anglin dave@hiauly1.hia.nrc.ca
Mon Oct 16 22:07:00 GMT 2000


>   In message < 200010021936.PAA06894@hiauly1.hia.nrc.ca >you write:
>   > 2000-10-01  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
>   > 
>   > 	* pa.md (return_internal): Move `use' after `return'.
> I believe this is no longer needed for correct operation, but I also
> believe someone (you?) said it was still useful from a performance
> standpoint.  So I went ahead and installed the change.

Right.  My read of the code in single_set_1 is that it is preferable
for USE and CLOBBER to follow since that will result in at least one
less iteration of the for loop.

Dave
-- 
J. David Anglin                                  dave.anglin@nrc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6605)


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