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New posts in x86-64
FASM write Hello World to console with NO includes or dependencies at all
Sep 06, 2025
windows
assembly
x86-64
system-calls
fasm
How can I find my Yocto generated image? It was made using poky
Sep 08, 2025
linux
x86-64
yocto
Why do C compilers still prefer push over mov for saving registers, even when mov appears faster in llvm-mca?
Sep 08, 2025
c
assembly
x86-64
compiler-optimization
micro-optimization
Trying to implement 128 bit add in amd64 with inline assembly with multiple alternative constraints
Sep 07, 2025
assembly
gcc
x86-64
inline-assembly
The x86 disassembly for C code generates: orq $0x0, %(rsp)
Sep 07, 2025
c
assembly
gcc
x86-64
callstack
Reading SSE registers (XMM, YMM) in a signal handler
Sep 07, 2025
linux
x86-64
sse
signal-handling
ucontext
Efficient UTF-8 character-length decoding for a non-zero character in a 32 bit register
Sep 07, 2025
assembly
utf-8
nasm
x86-64
micro-optimization
Compute (a*b)%n FAST for 64-bit unsigned arguments in C(++) on x86-64 platforms?
Sep 07, 2025
c++
c
visual-c++
x86-64
128-bit
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
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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