Subject: Re: Minor performance tweak to bcopy_page.S
To: None <rearnsha@buzzard.freeserve.co.uk, bjh21@netbsd.org>
From: Ben Harris <bjh21@netbsd.org>
List: port-arm32
Date: 03/08/2001 23:09:39
In article <200103082144.f28Lij503791@buzzard.freeserve.co.uk> you write:
>bjh21@netbsd.org said:
>>  Having random undocumented #ifdefs all over the place (without even a
>> defopt, usually) is one of the things that makes modifying the arm32
>> sources painful. 
>
>OK, I'll defopt this one, but I think we should use a generic name that 
>can be used in other MD files.  Any suggestions?  My ideas would be
>
>UNWIND_LOOPS
>NO_ICACHE
>SLOW_BRANCHES
>
>with probably a mild preference for the first of those.

I agree, since the others don't make the code-size tradeoff very clear.  I'd
prefer "UNROLL_LOOPS", since that follows GCC's terminology.

-- 
Ben Harris                                                   <bjh21@netbsd.org>
Portmaster, NetBSD/arm26               <URL:http://www.netbsd.org/Ports/arm26/>