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New posts in x86
Does the MOV x86 instruction implement a C++11 memory_order_release atomic store?
Jul 24, 2018
c++
c++11
x86
memory-model
stdatomic
Fast byte-wise replace if
Dec 16, 2021
c
optimization
x86
sse
simd
How are dw and dd different from db directives for strings?
Aug 19, 2022
string
assembly
x86
nasm
masm
What's the easiest way to determine if a register's value is equal to zero or not?
Nov 18, 2022
assembly
x86
micro-optimization
Difference between "or eax,eax" and "test eax,eax" [duplicate]
Sep 21, 2022
assembly
x86
micro-optimization
Popcount of SSE vectors for binary correlation?
Dec 10, 2021
performance
optimization
x86
bit-manipulation
sse
Reference material for uops?
Jul 25, 2022
x86
cpu
intel
cpu-architecture
Packing BCD to DPD: How to improve this amd64 assembly routine?
Nov 07, 2021
performance
assembly
x86
bcd
dpd
What is the significance of operations on the register EAX having their own opcodes?
Mar 23, 2022
assembly
x86
machine-code
instructions
opcode
Memory Model in C++ : sequential consistency and atomicity
Feb 09, 2020
c++
multithreading
c++11
x86
stdatomic
What exactly happens when a skylake CPU mispredicts a branch?
May 07, 2022
x86
intel
cpu-architecture
branch-prediction
speculative-execution
Which Intel microarchitecture introduced the ADC reg,0 single-uop special case?
May 09, 2022
performance
assembly
x86
intel
micro-optimization
In which condition DCU prefetcher start prefetching?
Dec 26, 2020
x86
intel
cpu-architecture
cpu-cache
prefetch
sys_execve system call from Assembly
Sep 27, 2022
linux
assembly
x86
system-calls
What does alignment to 16-byte boundary mean in x86
Sep 24, 2022
optimization
x86
memory-alignment
What is an assembly-level representation of pushl/popl %esp?
Nov 03, 2022
assembly
x86
stack-memory
instruction-set
stack-pointer
Why does switching from AT&T to Intel syntax make this tutorial segfault using GAS?
Apr 29, 2019
assembly
x86
intel
gnu-assembler
att
Is it possible to run 16 bit code in an operating system that supports Intel IA-32e mode?
Oct 22, 2022
x86
kernel
x86-64
cpu
How can you insert a NaN into a xmm register?
Jan 01, 2022
assembly
x86
nan
sse
Online Assembly language resources [closed]
Jul 29, 2020
visual-c++
assembly
x86
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