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New posts in x86-64
Who enables the A20 line when booting in pure UEFI?
Sep 07, 2025
x86
x86-64
bootloader
uefi
grub
How are interrupts handled on SMP?
Sep 08, 2025
linux
x86-64
interrupt
multicore
interrupt-handling
Find first bit, find last bit assembly using bsf, blf
Sep 07, 2025
assembly
kernel
bit-manipulation
x86-64
How can I insert Intel64 or x64 in Template Summary in an MSI project of Wix Toolkit?
Sep 08, 2025
visual-studio
wix
windows-installer
x86-64
program-files
How to read from and write to files using NASM for x86-64bit
Sep 08, 2025
linux
assembly
x86-64
nasm
system-calls
Does the red zone still exist even if we use the -mno-red-zone flag in gcc?
Sep 07, 2025
c
x86-64
stack-memory
abi
red-zone
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
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