[Issue 6660] Problem with core.cpuid on Windows7

d-bugmail at puremagic.com d-bugmail at puremagic.com
Tue Sep 27 01:42:52 PDT 2011


http://d.puremagic.com/issues/show_bug.cgi?id=6660



--- Comment #4 from Don <clugdbug at yahoo.com.au> 2011-09-27 01:42:17 PDT ---
Reduced test case is very, very strange:

void main()
{ 
    __gshared uint a;
    asm {
        mov EAX, 2;
        cpuid;
        mov a, EAX;
    }
    uint numinfos = a& 0xFF;
    do {
    } while (--numinfos);
}

It only happens with cpuid = 2.

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