Re: CVS commit: src/sys/arch/arm/arm32

[Richard Earnshaw <rearnsha%arm.com@localhost>]

> On Wednesday 15 October 2003 2:56 pm, Richard Earnshaw wrote:
> 
> > This is wrong.  ldrd and strd are available on any v5E processor, so
> > it shouldn't be wrapped in '#ifdef XSCALE'.
> 
> Ok, my 'fix' commit also jumped the gun, and hasn't actually solved the 
> problem.
> 
> What's the easiest/quickest way to determine if strd/ldrd are available?
> 
> Given that the code is in a critical path, a compile-time check would be 
> best, otherwise is there a quick way to check the cpu id?
> 
> Cheers, Steve
> 

Isn't ok just to check for it unconditionally?

This whole section really needs rewriting for modern ARM processors 
anyway, it doesn't handle Thumb and it wouldn't stand a chance with 
Jazelle.

R.