Apple Silicon|Intel

More on CISC (well, x86) versus RISC

Sometimes I am sadly slow at replying to comments. So I am hoisting mymy reply to a comment on my first entry on why x86 won against RISC into an entry.

From --M's comment:

It's my understanding that modern CPUs don't execute the x86 machinecode directly, they're actually RISC processors that execute a programthat can run and optimise x86 instructions.

While this is true as far as I know, it doesn't mean that


Apple Silicon|Intel

C++ Tricks 2.1 X86概述

farseerfc.wordpress.com 導入

2.1   X86概述

所謂X86體系結構,是指以Intel8086芯片爲首的芯片所沿襲的CPU結構,一些文檔中又被稱作IA32體系結構。包括的芯片有但不限於:Intel8086至80486,奔騰(Pentium)系列處理器1