New posts in Cpu Registers

How to specify register constraints on the Intel x86_64 register r8 to r15 in GCC inline assembly?

Pushing a pointer into the eax and ebx registers in GCC

What is the purpose of segment registers in x86 protected mode?

How do AX, AH, AL map onto EAX?

Using FPU and MMX registers as "general registers"

Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?

What is the "FS"/"GS" register intended for?

What are callee and caller saved registers?

What is default register state when program launches (asm, linux)?

How many registers are there in 8086/8088?