More Related Contents:
- Why can I access lower dword/word/byte in a register but not higher?
- Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
- What are the names of the new X86_64 processors registers?
- What’s the purpose of the LEA instruction?
- Why doesn’t GCC use partial registers?
- How do AX, AH, AL map onto EAX?
- rbp not allowed as SIB base?
- What is the “FS”/”GS” register intended for?
- Why is there not a register that contains the higher bytes of EAX?
- Why are signed and unsigned multiplication different instructions on x86(-64)?
- Why are rbp and rsp called general purpose registers?
- Why is the address of static variables relative to the Instruction Pointer?
- Why is (or isn’t?) SFENCE + LFENCE equivalent to MFENCE?
- Why is imul used for multiplying unsigned numbers?
- x64 instruction encoding and the ModRM byte
- Assembly registers in 64-bit architecture
- x86_64 registers rax/eax/ax/al overwriting full register contents [duplicate]
- Does it make any sense to use the LFENCE instruction on x86/x86_64 processors?
- x86_64 ASM – maximum bytes for an instruction?
- Why not store function parameters in XMM vector registers?
- Why isn’t the instruction pointer a normal register usable with MOV or ADD?
- How to multiply a register by 37 using only 2 consecutive leal instructions in x86?
- What does “rep; nop;” mean in x86 assembly? Is it the same as the “pause” instruction?
- When should I use size directives in x86?
- x86 32 bit opcodes that differ in x86-x64 or entirely removed
- Arithmetic identities and EFLAGS
- What is callq instruction?
- Why use RIP-relative addressing in NASM?
- What is the compatible subset of Intel’s and AMD’s x86-64 implementations?
- Assembly x86 registers signed or unsigned