[PATCH] Fix rtl-opt/37451 Extra addition for doloop in some cases

[Ian Lance Taylor]

"Andrew Pinski" <pinskia@gmail.com> writes:

> * loop-doloop.c (doloop_modify): New argument zero_extend_p and
> zero extend count after the correction to it is done.
> (doloop_optimize): Update call to doloop_modify, don't zero extend
> count before call.

This is OK.

Thanks.

Ian