[rfc] stack alignment macro cleanup

[Richard Henderson]

On 10/04/2010 11:00 AM, Paul Brook wrote:
> Your proposal doesn't make this problem any worse, if anything it's better 
> because we don't have to device between S_B and PREFERRED_STACK_BOUNDARY. I'm 
> just noting that documenting this as a hardware property is at best 
> misleading.

Well, I'm hoping to document that it *is* a hardware property, and
remove some of the code that confuses it with an ABI property.
There's some of that even within the x86 backend, where the Win64
bits are wrong.


r~