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New posts in x86
Why do clang and gcc duplicate code and branch vs unconditional jump inside loop?
Dec 04, 2025
c++
c
optimization
x86
How to sum integers with sign into a wider sum on IA32. 64-bit sum of 32-bit signed ints?
Dec 05, 2025
assembly
x86
att
sign-extension
Reading a cacheline vs parts of a cacheline in Intel x86
Dec 03, 2025
c++
performance
caching
assembly
x86
X86: protected mode, GDT, IDT
Dec 04, 2025
assembly
x86
fasm
bochs
How do I get a positive modulo on a negative dividend
Dec 04, 2025
assembly
x86
integer-division
Accessing PCI Device from user space programs
Dec 02, 2025
linux
x86
device-driver
pci
Why is alignment on the stack for a struct with 1 member (char) handled differently than if the member was directly on the stack?
Dec 02, 2025
c++
x86
clang
padding
memory-alignment
How do I determine the length of a constant string?
Dec 01, 2025
assembly
x86
gnu-assembler
att
The cross-platform version of gcc ignore the attribute tag __attribute__((interrupt)) of my function
Dec 02, 2025
gcc
x86
attributes
interrupt
interrupt-handling
Runtime C# knowing if 32-bit or 64-bit version of COM Interface is being used
Nov 30, 2025
c#
interop
x86
64-bit
regsvr32
Unicode strings in process memory
Nov 30, 2025
x86
language-design
language-implementation
SIMD : registers changing value during execution
Nov 29, 2025
c++
x86
simd
intrinsics
avx2
Creating a FAT partition with a bootsector as an MBR
Nov 28, 2025
assembly
x86
osdev
fat
mbr
intVal3 TBYTE 1234 -- invalid TBYTE variable declaration gone unnoticed by assembler
Nov 29, 2025
assembly
x86
masm
Real mode Interrupt handling routine not working as expected
Nov 28, 2025
assembly
x86
virtualbox
nasm
interrupt-handling
Looking for tutorial resources on basic, non-macro assembly language [closed]
Nov 29, 2025
assembly
x86
x86-64
What is the gcc cpu-type that includes support for RDTSCP?
Nov 28, 2025
gcc
x86
intel
rdtsc
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