Re: building kernel

[Alan Young <ayoung@teleport.com>]

On 29 Nov 2002 13:25:05 +0100 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
wrote:
>
> -Wa,-mev6 is needed so the assembler will accept EV6 opcodes. It won't
> affect the generated code, it just avoid the assembler barfing.
<snip>
>
>> without -Wa,mev6 system boots but many programs do not work.
>
>but this is weird... it really shouldn't affect the generated code.

I believe -Wa,-mev6 also instructs the assembler to reorder the
instructions for a ev6 instruction pipeline.  It's supposed to improve
scheduling on the older machines as well.  Still, I'd be surprised
that the reordering is causing the oops.

Alan