More Related Contents:
- Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
- What’s the purpose of the LEA instruction?
- Why doesn’t GCC use partial registers?
- Which 2’s complement integer operations can be used without zeroing high bits in the inputs, if only the low part of the result is wanted?
- rbp not allowed as SIB base?
- What do the E and R prefixes stand for in the names of Intel 32-bit and 64-bit registers?
- Why is (or isn’t?) SFENCE + LFENCE equivalent to MFENCE?
- Why is imul used for multiplying unsigned numbers?
- What are the names of the new X86_64 processors registers?
- x64 instruction encoding and the ModRM byte
- Does it make any sense to use the LFENCE instruction on x86/x86_64 processors?
- Why not store function parameters in XMM vector registers?
- 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?
- Using 8-bit registers in x86-64 indexed addressing modes
- x86 32 bit opcodes that differ in x86-x64 or entirely removed
- Why can I access lower dword/word/byte in a register but not higher?
- Arithmetic identities and EFLAGS
- What is callq instruction?
- What is the compatible subset of Intel’s and AMD’s x86-64 implementations?
- x86 Assembly pushl/popl don’t work with “Error: suffix or operands invalid”
- Does the Intel Memory Model make SFENCE and LFENCE redundant?
- Why does this MOVSS instruction use RIP-relative addressing? [duplicate]
- gas: too many memory reference
- Why do we need to disambiguate when adding an immediate value to a value at a memory address
- How to determine if ModR/M is needed through Opcodes?
- Convert string to int. x86 32 bit Assembler using Nasm
- Running 32 bit assembly code on a 64 bit Linux & 64 bit Processor : Explain the anomaly
- How to produce a minimal BIOS hello world boot sector with GCC that works from a USB stick on real hardware?