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New posts in x86
How to display 11.1 after div in assembly?
Sep 19, 2025
assembly
x86
x86-16
How to get the total size of the NASM-assembled instructions in a boot sector?
Sep 18, 2025
assembly
x86
nasm
boot
compile-time
Why is the default alignment for `int64_t` 8 byte on 32 bit x86 architecture?
Sep 19, 2025
c++
x86
memory-alignment
Assembly function address table and data under the function or in data section
Sep 19, 2025
assembly
x86
x86-64
micro-optimization
static-data
How can I get g++ to issue a warning when converting int64_t to int?
Sep 19, 2025
c++
linux
x86
g++
Fastest way to set a single memory cell to zero or a constant in x86 assembly?
Sep 19, 2025
assembly
x86
x86-64
zero
micro-optimization
Why do we use sub esp, 4 instead of push a register in assembly?
Sep 18, 2025
assembly
optimization
x86
stack
cpu-registers
Multiply float in Assembly
Sep 17, 2025
assembly
x86
What does `__meminit` mean in Linux Kernel?
Sep 18, 2025
linux
linux-kernel
x86
x86-64
linux-device-driver
AVX-512 Instruction Encoding - {er} Meaning
Sep 18, 2025
assembly
x86
avx
avx512
How to read Assembly Opcode Reference?
Sep 18, 2025
assembly
x86
machine-code
opcode
instruction-encoding
inline asm: operand type mismatch for 'out'
Sep 17, 2025
c++
x86
g++
inline-assembly
hardware-port
How to tell the GNU assembler to warn when using undefined labels?
Sep 16, 2025
assembly
x86
bootloader
gnu-assembler
osdev
Does the flag register need to be saved when an interrupt occurs, or a process scheduling happens?
Sep 16, 2025
linux
assembly
linux-kernel
x86
What is the difference between assembly language of x86 and x64 architecture?
Sep 17, 2025
assembly
x86
x86-64
Is it possible to make writeable variables in .text segment using DB directive in NASM?
Sep 17, 2025
windows
assembly
x86
nasm
Why does calling the C abort() function from an x86_64 assembly function lead to segmentation fault (SIGSEGV) instead of an abort signal?
Sep 17, 2025
linux
gcc
x86
x86-64
inline-assembly
How to prepare stack pointer for bare metal Rust?
Sep 17, 2025
assembly
rust
x86
bootloader
stack-pointer
Preventing of Out of Thin Air values with a memory barrier in C++
Sep 16, 2025
c++
x86
memory-barriers
memory-model
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