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Tom’s Hardware
Tom’s Hardware
Technology
Matthew Connatser

Intel optimizes slimmed-down X86S instruction set — revision 1.2 eliminates 16-bit and 32-bit features

Intel Corporation AMD Architecture
Intel.

Intel continues to work on its not-yet-released redo of the x86 architecture called X86S and has released its version 1.2 specification of the ISA (via InstLatX64 on X).

The chip titan proposed last year that it was about time to introduce a slimmed-down, 64-bit-only version of the x86 architecture, which Intel created alongside the famous 8086 chip back in the 1970s. Since Intel and AMD added tons of capabilities to the long-lived ISA, many features have become “outdated,” according to Intel.

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