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New posts in x86
What does the "lock" instruction mean in x86 assembly?
Aug 25, 2022
c++
qt
assembly
x86
Which variable size to use (db, dw, dd) with x86 assembly?
Aug 18, 2022
variables
assembly
x86
Is it possible to tell the branch predictor how likely it is to follow the branch?
Aug 18, 2022
c
gcc
x86
compiler-optimization
micro-optimization
Why is the loop instruction slow? Couldn't Intel have implemented it efficiently?
Mar 03, 2022
performance
assembly
x86
intel
cpu-architecture
Where is the lock for a std::atomic?
Aug 17, 2022
c++
c++11
x86
atomic
stdatomic
Enhanced REP MOVSB for memcpy
Sep 07, 2019
performance
assembly
x86
cpu-architecture
memcpy
What are IN & OUT instructions in x86 used for?
Oct 02, 2022
assembly
x86
linux-kernel
Double cast to unsigned int on Win32 is truncating to 2,147,483,648
Aug 17, 2022
c
visual-c++
casting
x86
floating-point
What does "rep; nop;" mean in x86 assembly? Is it the same as the "pause" instruction?
Aug 17, 2022
assembly
x86
x86-64
cpu
machine-code
Limitations of Intel Assembly Syntax Compared to AT&T [closed]
Aug 17, 2022
linux
assembly
x86
att
intel-syntax
Why does Intel hide internal RISC core in their processors?
Oct 16, 2019
assembly
x86
intel
cpu-architecture
What is the purpose of the EBP frame pointer register?
Aug 16, 2022
performance
assembly
x86
How do I disassemble raw 16-bit x86 machine code?
Jun 11, 2022
linux
assembly
x86
x86-16
mbr
intel
Using gdb to single-step assembly code outside specified executable causes error "cannot find bounds of current function"
Aug 16, 2022
linux
assembly
gdb
x86
linux-kernel
Difference between JE/JNE and JZ/JNZ
Feb 24, 2022
assembly
x86
What does "int 0x80" mean in assembly code?
Aug 16, 2022
assembly
x86
How does x86 paging work?
Aug 16, 2022
x86
paging
virtual-memory
How to write hello world in assembler under Windows?
Dec 14, 2021
winapi
assembly
x86
nasm
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
Mar 05, 2022
performance
assembly
floating-point
x86
sse
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
Nov 02, 2022
assembly
x86
mips
x86-64
cpu-architecture
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