I've found that many Intel 32-bit programs have a i386 goal, yet In the form of their architecture architecture, i486 , i586 or i686 has added any new features or instructions in the instruction set later in three processor architectures. ?
They change many things about architecture, and add new instructions (and sets) at all times . If you want the latest state of the art display, you have to compile for a specific version of your architecture. Some other things like RDTSC, away from the top of my head, MMX, 3D NOUS, SSE *, X7 FPU were not in the original model View BREF history of INTEL® 64 and IA-32 architecture
IIRC . Actually, I [3,4,5,6] 86 is not really anything that we are today ... even in the new processor model, they are adding things like new iterations of AES-NI and SSE.
Wikipedia's pages also state that it has changed in them, for example it says that they added CMOV.
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