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23 lines
545 B
C

#if defined(_WIN32)
typedef unsigned __int64 IA32CAP;
#else
typedef unsigned long long IA32CAP;
#endif
IA32CAP OPENSSL_ia32_cpuid(void);
unsigned int OPENSSL_ia32cap_P[2]; // GLOBAL
void OPENSSL_cpuid_setup(void)
{
const IA32CAP vec = OPENSSL_ia32_cpuid();
/*
* |(1<<10) sets a reserved bit to signal that variable
* was initialized already... This is to avoid interference
* with cpuid snippets in ELF .init segment.
*/
OPENSSL_ia32cap_P[0] = (unsigned int)vec|(1<<10);
OPENSSL_ia32cap_P[1] = (unsigned int)(vec>>32);
}