[PATCH] speedup find_reg_note

[Zack Weinberg]

Andrew Pinski <pinskia@physics.uc.edu> writes:

> On Mar 30, 2004, at 03:15, Zack Weinberg wrote:
>
>> Andrew Pinski <pinskia@physics.uc.edu> writes:
>>
>>> I noticed for some reason the loop in find_reg_note
>>> was not being unswitch so I decided to manually unswitch
>>> the loop so this patch does that.
>>>
>>> Bootstrapped and tested on powerpc-apple-darwin with no regression.
>>>
>>> OK?
>>
>> Not with no evidence - please post code size and performance
>> measurements.
>
> Size differences between 124 to 92 bytes (note this is without
> stripping).  Speed is about .1% (PR8361 at -O3 from 57.19 to 57.11),
> this is with checking turned on still.

OK, patch is approved.

zw