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New posts in x86
Complex data reorganization with vector instructions
Jul 28, 2026
x86
vectorization
simd
sse2
avx2
Does abort run in ring 0?
Jul 28, 2026
c++
c
x86
NASM Difference between CMP and OR
Jul 27, 2026
assembly
x86
nasm
Why would one avoid using POPF to restore Interrupt Flag state?
Jul 28, 2026
assembly
x86
nasm
interrupt
eflags
Coaxing GCC to emit REPE CMPSB
Jul 27, 2026
c
performance
gcc
assembly
x86
Accessing an array with inline assembly using AT&T syntax
Jul 27, 2026
c
linux
gcc
assembly
x86
Repeat prefixes and mandatory prefixes in x86
Jul 27, 2026
x86
opcode
instruction-set
prefixes
The WeTab will run Android applications but uses an Atom CPU. What does this mean for NDK and MonoDroid?
Jul 25, 2026
android
x86
arm
android-ndk
xamarin.android
How to return errno in Assembly?
Jul 26, 2026
assembly
x86
errno
Page-Structure Cache perf events
Jul 26, 2026
assembly
x86
perf
tlb
page-tables
NASM interrupt x86 reference?
Jul 26, 2026
x86
nasm
system-calls
x86-16
What's the difference between a 'fast' (instruction) syscall and interrupt-driven system call?
Jul 25, 2026
assembly
x86
kernel
cpu-architecture
system-calls
How to update GDT entries after initial loading?
Jul 25, 2026
x86
operating-system
osdev
i386
gdt
Why do the bytes "0xea 0000 ffff" in a bootloader cause the computer to reboot?
Jul 24, 2026
assembly
x86
bootloader
bios
reboot
IBM 5150 - int 21h corrupts segment registers
Jul 23, 2026
assembly
x86
dos
x86-16
masm
SIMD intrinsics: aligned operation different than unaligned?
Jul 23, 2026
c++
x86
simd
intrinsics
What is the rationale behind the CPU instruction set, in general and for x86's SETCC?
Jul 23, 2026
assembly
x86
cpu-architecture
instruction-set
instructions
What is the purpose of the pause x86 instruction and the loop in the GetSystemTimeAsFileTime function disassembly?
Jul 22, 2026
winapi
x86
reverse-engineering
disassembly
Not able to use H264 (video/avc) Encoder on Intel x86 device, Android 4.2.2
Jul 21, 2026
android
x86
intel
android-mediacodec
IA-32 x86 data alignment
Jul 21, 2026
x86
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