[fpc-devel] win32 debugging broken in fixes_2_2?

Vinzent Hoefler JeLlyFish.software at gmx.net
Tue Jul 10 12:06:33 CEST 2007


On Tuesday 10 July 2007 09:58, Vinzent Hoefler wrote:
> On Tuesday 10 July 2007 12:40, Yury Sidorov wrote:
> > Maybe other way to detect SSE support exists...
>
> CPUID?

To be more precise, the way recommended by Intel:

"To make this check, execute the CPUID instruction with an argument of 1 
in the EAX register, and check that bit 25 (SSE) and/or bit 26 (SSE2) 
are set to 1."

  -- IA32 Software Developer's Manual,
     Volume 3: System Programming Guide




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