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New posts in x86
How can I compile to assembly with gcc
Aug 30, 2022
c
linux
gcc
x86
What is the meaning of each line of the assembly output of a C hello world?
Apr 17, 2019
linux
gcc
assembly
x86
ret, retn, retf - how to use them
Aug 30, 2022
assembly
x86
Why is string comparison so fast in python?
Feb 18, 2022
python
x86
interpreter
cpython
strncmp
Why doesn't Linux use the hardware context switch via the TSS?
Aug 30, 2022
linux
x86
linux-kernel
low-level
Why is integer assignment on a naturally aligned variable atomic on x86?
Sep 15, 2022
c++
concurrency
x86
atomic
memory-alignment
What does NOPL do in x86 system?
Dec 16, 2021
assembly
x86
nop
Why does mulss take only 3 cycles on Haswell, different from Agner's instruction tables? (Unrolling FP loops with multiple accumulators)
Nov 24, 2021
c
assembly
x86
sse
micro-optimization
Is it safe to read past the end of a buffer within the same page on x86 and x64?
Jul 20, 2021
c
performance
assembly
optimization
x86
In x86 what's difference between "test eax,eax" and "cmp eax,0"
Aug 30, 2022
assembly
x86
Use 32bit "Program Files" directory in msbuild
Jul 19, 2019
msbuild
x86
64-bit
x86-64
program-files
Change floating point rounding mode
Aug 16, 2022
c++
c
floating-point
x86
Can't edit and continue when using Visual Studio 2010 on a 64 bit machine, app targets x86
Aug 29, 2022
visual-studio
visual-studio-2010
64-bit
x86
edit-and-continue
Difference between JA and JG in assembly
Aug 29, 2022
assembly
x86
conditional-statements
fastest way to negate a number
Aug 29, 2022
c++
visual-c++
x86
micro-optimization
visual-c++-2012
What's the point of LEA EAX, [EAX]?
Aug 29, 2022
c
assembly
x86
instruction-set
How exactly do partial registers on Haswell/Skylake perform? Writing AL seems to have a false dependency on RAX, and AH is inconsistent
Apr 05, 2019
assembly
x86
intel
cpu-architecture
micro-optimization
What is callq instruction?
Sep 12, 2022
assembly
x86
x86-64
att
How are the fs/gs registers used in Linux AMD64?
Sep 30, 2022
linux
assembly
architecture
x86
x86-64
Windows 64-bit registry v.s. 32-bit registry
Aug 29, 2022
com
registry
x86
64-bit
clsid
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