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It was exactly the same instruction set. C compilers didn't offer an "AMD" CPU target* until AMD came out with the "AMD64" instruction set. Today we call this
by marshray 2y ago
It was exactly the same instruction set.
C compilers didn't offer an "AMD" CPU target* until AMD came out with the "AMD64" instruction set. Today we call this "x86_64" or "x64".
* Feel free to point out some custom multimedia vector extensions for Athlons or something, but the point remains.
- gmokki 2y agoAnd Intel named its licenced implementation of AMD64 as IA-32e, just to make it clear to everyone that it is based on Intel architecture 32bit version with an extension. Luckily they dropped that name few years later