Re: [AD] removing asm in 4.3.10

[AJ <aj@xxxxxxxxxx>]

http://msdn2.microsoft.com/en-us/library/hskdteyh.aspx

contains a CPUID intrinsic (no need for asm)

there is lots of useful source code there too.

this at least might be useful for MSVC versions, possibly mingw too.


aj.



Evert Glebbeek wrote:
> On Dec 28, 2007, at 11:05 PM, Milan Mimica wrote:
>   
> > This will break the watcom build as it doesn't support  
> > ALLEGRO_USE_C, if anyone cares.
> >     
>
> Probably not. If someone comes along and does they can fix it. ;)
>
>   
> > Also, I assume that non-ASM version is generally less tested  
> > becasue it wasn't a default choice, so this change might have  
> > impact on allegro stability on some platforms.
> >     
>
> Probably not too much. When build in 64-bit mode Allegro doesn't use  
> the inline asm code except to query the CPU capabilities flag with  
> CPUID, which reminds me, we may want to keep that information and  
> related information at hand. Having a single function that calls  
> CPUID isn't quite the same as using ASM code all over the code.
> The MacOS X port also uses the C only version.
>
> Evert
>
>
>
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