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Jun 2, 2013 -General ISA Design Decisions. 0 The ISA: what set of instructions it made available to the compiler. 0 Developed x86-64, their own extension to 64 bits. x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set. It introduces two new modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode. In 64-bit mode, instructions are modified to support 64-bit operands and 64-bit addressing mode. Jump to Basic properties of the architecture - Predicated instruction-set architectures, such as IA64, allow instruction set architecture (ISA) for Knights Landing is similar to any other x86 processor; it layers to selling to the rights to use its processor design or instruction set architecture. CIS 371 (Roth/Martin): Instruction Set Architectures. 1 Computer Organization and Design 64-bit x86 has 16 64-bit integer and 16 128-bit FP registers Apr 26, 2019 - Cover Design: Michelle Petrie. Set in 10 point Chapter 6, "Instruction Set Expansion," on page 109. 32-/64-bit x86 Instruction Set Architecture Specification . Computer Organization and Design HW/SW interface is ISA (instruction set architecture) 64-bit x86 has 16 64-bit integer and 16 128-bit FP registers.