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New posts in x86-64
Advantage of using LEA over MOV for passing parameters in Assembly compiled from C++
Sep 07, 2025
c++
assembly
visual-c++
x86-64
micro-optimization
Why is the __stdcall calling convention ignored in x64?
Sep 07, 2025
c++
visual-c++
x86-64
calling-convention
Why RBP instead of another register as a frame pointer?
Sep 04, 2025
pointers
assembly
x86
x86-64
stack-frame
Performance of duplicating vs deduplicating identical conditional code in loops
Sep 04, 2025
c
performance
assembly
optimization
x86-64
Why does this assembly implementation of strcmp behave unexpectedly?
Sep 05, 2025
c
assembly
x86
x86-64
strcmp
GCC access memory above stack top [duplicate]
Mar 24, 2023
assembly
gcc
x86-64
sse
red-zone
insmod: ERROR: could not insert module rtl8723be.ko: Unknown symbol in module
Mar 20, 2023
c
gcc
linux-kernel
x86-64
inline-assembly
How to ensure that RDTSC is accurate?
Mar 15, 2023
x86
x86-64
cpuid
rdtsc
Using printf in assembly leads to empty output when piping, but works on the terminal
Mar 13, 2023
linux
assembly
printf
x86-64
glibc
How to skip a system call with ptrace?
Mar 13, 2023
linux
x86-64
system-calls
ptrace
Dlang - Understaning std.cycle() in assembly
Mar 13, 2023
assembly
std
d
x86-64
abi
What is the difference between "mov (%rax),%eax" and "mov %rax,%eax"?
Mar 12, 2023
assembly
x86
x86-64
cpu-registers
Is it possible to replace every instance of a particular function with a dummy in a compiled binary?
Mar 10, 2023
x86-64
executable
reverse-engineering
elf
mach-o
Can we use x86_64 CPU atomics to generate on PCI Express the compound atomic operations?
Sep 04, 2025
multithreading
driver
linux-device-driver
x86-64
pci-e
Relation of endianness to assembly conversion of size in C
Sep 03, 2025
c
assembly
x86-64
endianness
How do I call a global C function pointer in NASM without warnings?
Sep 01, 2025
c
assembly
global-variables
x86-64
nasm
Unexpectedly slow performance on moving from register to frequently accessed variable
Sep 01, 2025
c
assembly
caching
x86-64
perf
Why is (V)SHUFPS not in Intel's constant time instruction list?
Sep 02, 2025
assembly
cryptography
x86-64
cpu-architecture
avx
Can I make shared library constructors execute before relocations?
Sep 01, 2025
c++
linux
shared-libraries
x86-64
AT&T syntax hello world works but intel syntax does not
Sep 02, 2025
assembly
x86-64
gnu-assembler
intel-syntax
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