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New posts in x86-64
GCC x86-64 Suboptimal Assembly Output, why?
Aug 28, 2020
c
gcc
assembly
x86-64
False Sharing and Atomic Variables
Sep 13, 2022
c++
c
multithreading
caching
x86-64
Why can't I step into a Call instruction during Debug / Disassembly?
Jan 10, 2022
.net
x86-64
cil
reflection.emit
disassembly
Use ld on 64-bit platform to generate 32-bit executable
Jan 06, 2022
assembly
x86
x86-64
ld
Why does initialization of local static objects use hidden guard flags?
Aug 12, 2021
c++
optimization
x86-64
Is it legal to begin an x64 function with a single-byte instruction?
Mar 04, 2022
windows
assembly
x86-64
Fully utilizing pipelines on kaby lake
Nov 16, 2022
performance
assembly
x86-64
micro-optimization
avx2
What's the difference between the x86-64 AT&T instructions movq and movabsq?
Sep 24, 2022
assembly
x86-64
att
immediate-operand
What does the following assembly instruction do addsd -8(%rbp), %xmm0?
Mar 17, 2022
x86
x86-64
sse2
assembly
memory-access
Why segmentation cannot be completely disable?
Jun 15, 2021
x86
x86-64
cpu-architecture
processor
memory-segmentation
What register in i386 stores the CPL?
Sep 06, 2022
x86
x86-64
cpu-architecture
cpu-registers
i386
Fastest way to compare one byte array with many others?
Apr 29, 2022
c
algorithm
assembly
x86-64
sse
How does this 128 bit integer multiplication work in assembly (x86-64)?
Mar 31, 2022
c
assembly
x86-64
128-bit
How to use x86intrin.h
May 18, 2022
c
gcc
x86-64
intrinsics
bmi
An i386/x64 pop FS/GS instruction supports a variant where it increments the SP by 32 bits or 64 bits in stead of 16 bits. What is it used for?
May 18, 2022
assembly
x86
x86-64
i386
creating va_list dynamically in GCC - can it be done?
Mar 18, 2019
c
gcc
x86-64
variadic-functions
SSE: unaligned load and store that crosses page boundary
Apr 24, 2021
c
linux
x86-64
sse
memory-alignment
intel
C++ RTTI in a Windows 64-bit VectoredExceptionHandler, MS Visual Studio 2015
Apr 10, 2022
c++
visual-studio
exception-handling
x86-64
rtti
Is NASM inconsistent or am I just missing an obvious fact with CMP of immediate?
May 14, 2022
assembly
nasm
x86-64
Why does this code crash with address randomization on?
Oct 08, 2022
linux
x86-64
fasm
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