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New posts in x86-64
Can "mov eax, 0x1" always be used instead of "mov rax, 0x1"?
Oct 07, 2019
assembly
nasm
x86-64
zero-extension
main() sometimes keeps frame pointer with -fomit-frame-pointer on x86
Oct 26, 2022
c
gcc
assembly
x86
x86-64
How do modern cpus handle crosspage unaligned access?
Sep 24, 2022
linux
arm
x86-64
memory-alignment
mmu
intel
Does VMCALL instruction in x86 save the guest CPU state
Aug 26, 2022
virtual-machine
x86-64
virtualization
intel
hypervisor
What is the compatible subset of Intel's and AMD's x86-64 implementations?
Oct 13, 2018
assembly
x86
x86-64
Why does TZCNT work for my Sandy Bridge processor?
Aug 31, 2022
assembly
x86
x86-64
Meaning of suffix "x" in intrinsics like "_mm256_set1_epi64x"
Sep 15, 2021
x86
vectorization
x86-64
simd
intrinsics
How are params passed when calling Printf from 64 bit asm?
Apr 27, 2019
assembly
printf
x86-64
calling-convention
abi
Error moving a constant byte value into %ebx
Jun 25, 2022
assembly
x86-64
addressing-mode
Using 8-bit registers in x86-64 indexed addressing modes
May 09, 2022
assembly
x86
x86-64
addressing-mode
PAE in x86-64 bit processors - Linux kernel
Nov 12, 2022
linux-kernel
x86
operating-system
x86-64
paging
Atomically clearing lowest non-zero bit of an unsigned integer
Jun 30, 2022
c++
x86
arm
x86-64
atomic
x86-64 order of passing parameters in registers
Nov 15, 2022
c
assembly
parameters
x86-64
calling-convention
bootloader works in qemu but fails in virtualbox and on hardware
Sep 07, 2022
assembly
x86-64
boot
mbr
How does Linux support more than 512GB of virtual address range in x86-64?
Mar 27, 2016
linux
linux-kernel
x86-64
mmu
intel
Linker error on relocating a program above 2GB in x86_64 linux?
Oct 01, 2020
c
linux
gcc
linker
x86-64
std::pow produce different result in 32 bit and 64 bit application
Sep 05, 2022
c++
c++11
x86-64
X86 64-bits Assembly Linux 'Hello World' linking issue
May 30, 2019
c
linux
assembly
x86-64
When should I use size directives in x86?
Oct 22, 2022
assembly
x86
x86-64
directive
How to tell length of an x86-64 instruction opcode using CPU itself?
Aug 22, 2022
x86
x86-64
cpu-architecture
opcode
micro-architecture
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