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New posts in x86
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
Why is SIMD slower than scalar counterpart
Sep 16, 2025
assembly
x86
sse
simd
How to exchange between 2 bits in a 1-byte number
Sep 16, 2025
assembly
x86
bit-manipulation
micro-optimization
CVTTSD2SI - a truncating instruction - uses rounding with "inexact" results?
Sep 16, 2025
assembly
x86
sse
floating-point-conversion
How are control flow graphs built in cases where the jump destination is based on a dynamic environment value?
Sep 16, 2025
assembly
x86
reverse-engineering
control-flow-graph
intrinsic for the mulx instruction
Sep 16, 2025
gcc
x86
intrinsics
icc
bmi
ELF label address
Sep 16, 2025
linux
assembly
x86
elf
relocation
x86 Assembly Add operands with different sizes
Sep 16, 2025
assembly
x86
How to store 4 32 bit floats into one 128 bit xmm register?
Sep 14, 2025
assembly
x86
x86-64
sse
simd
warning: label alone on a line without a colon might be in error
Sep 15, 2025
assembly
x86
nasm
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