Re: [Nasm-devel] The CPU directive and its meaning

[H. P. A. <hp...@zy...>]

Peter Johnson wrote:
> 
> I'm not seeing a clear delination between (2) and (3).  I simply have two 
> classes in Yasm: CPU names and feature flags.  See 
> http://www.tortall.net/projects/yasm/manual/html/arch-x86-modes.html#arch-x86-cpu
> 
> Also, dependencies can get difficult with the mix of AMD and Intel.  I 
> simply have a bitmask of features with individual enable/disable (so nosse 
> does not disable sse2).
> 

The delineation between (2) and (3) is pretty much that (2) are vertical 
properties which are added to as the CPU evolves, whereas (3) are 
well-defined single instances; these days they usually get proper names 
as feature sets because of CPUID.

	-hpa