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New posts in x86
How did x86 real mode work on machines with <640K of RAM?
Apr 29, 2026
x86
osdev
x86-16
SSE: How to reduce a _m128i._i32[4] to _m128i._i8
Apr 30, 2026
c++
x86
sse
simd
Why does this lookup table sine estimation perform worse when using float instead of double?
Apr 29, 2026
c
assembly
x86
floating-point
microbenchmark
Is there a way to increase a value in a xmm register?
Apr 28, 2026
assembly
x86
addition
sse
intel-Based Assembly Language idiv
Apr 29, 2026
assembly
x86
nasm - error: attempt to define a local label before any non local labels
Apr 28, 2026
assembly
x86
nasm
SSE optimisation for a loop that finds zeros in an array and toggles a flag + updates another array
Apr 28, 2026
c++
optimization
x86
sse
simd
Loading and storing long doubles in x86-64
Apr 28, 2026
x86
x86-64
compiler-optimization
x87
How do I find on which CPU/core I'm running?
Apr 27, 2026
c
assembly
x86
Working of the IRQs and the iret instruction semantics on a 32 bit kernel (protected mode)
Apr 28, 2026
c
assembly
x86
interrupt
osdev
GCC 4.3/4.4 vs MSC 6 on i386 optimization for size fail
Apr 27, 2026
c
gcc
assembly
x86
compiler-optimization
Safely hooking C functions into assembly
Apr 26, 2026
c
visual-studio
assembly
x86
What's the equivalent of vbroadcastsd for xmm registers?
Apr 26, 2026
assembly
x86
sse
avx
Floating point in x86 Assembly
Apr 26, 2026
assembly
x86
floating-point
How do i write a function that prints a null terminated string in NASM 16 bit real mode?
Apr 25, 2026
assembly
x86
nasm
x86-16
bios
Injecting a CLR host into a running process - possible?
Apr 25, 2026
.net
x86
code-injection
clr-hosting
System claims AVX2 is supported, but broadcasts of integer registers are unimplemented
Apr 25, 2026
x86
avx2
illegal-instruction
How to get Keyboard inputs into a kernel?
Apr 24, 2026
c
x86
keyboard
kernel
osdev
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