[fpc-devel] win32 debugging broken in fixes_2_2?

Florian Klaempfl florian at freepascal.org
Wed Jul 11 08:41:24 CEST 2007

Micha Nelissen schrieb:
> Yury Sidorov wrote:
>>> CPU supports it. But CPU support doesn't mean OS support. And to check
>>> if the OS supports SSE you've to execute an sse instruction and handle
>>> the exception.
>> Florian, to prevent SIGILL on non SSE CPUs we can first check CPUID
>> and execute sse instruction only if CPUID reports SSE support.
> What happens then if OS doesn't support it ?

SIGILL on the first sse instruction.

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