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New posts in x86

Scaling byte pixel values (y=ax+b) with SSE2 (as floats)?

c++ visual-studio x86 simd sse2

How to split an XMM 128-bit register into two 64-bit integer registers?

assembly x86 sse

What does "MOVOU" mean in golang assembly

assembly go x86

How to efficiently perform int8/int64 conversion with SSE?

c++ x86 sse simd intrinsics

Isn't 07C0:0000, the same physical address on x86 machines as 0000:7C00?

linux assembly x86 memory-address grub

Why does TZCNT work for my Sandy Bridge processor?

assembly x86 x86-64

Meaning of suffix "x" in intrinsics like "_mm256_set1_epi64x"

x86 vectorization x86-64 simd intrinsics

Confused about data alignment for double variables

assembly x86

Can we measure successful store-forwarding with Intel's performance counters?

performance x86 intel-pmu

Do denormal flags like Denormals-Are-Zero (DAZ) affect comparisons for equality?

x86 floating-point sse x87 fast-math

Why are the user-mode L1 store miss events only counted when there is a store initialization loop?

x86 intel performancecounter cpu-cache intel-pmu

How to get the gcc compiler to not optimize a standard library function call like printf?

c gcc assembly x86 compiler-optimization

Why do I get triple fault when trying to handle an exception on 286 but not on a modern CPU nor Bochs?

assembly x86 interrupt-handling protected-mode 80286

Solution needed for building a static IDT and GDT at assemble/compile/link time

assembly x86 nasm ld osdev

How are BIOS interrupts deconflicted with reserved hardware interrupts?

assembly x86 serial-port interrupt bios

Why does GCC emit a repeated `ret`?

c++ gcc x86 clang

How to optimise this 8-bit positional popcount using assembly?

go assembly x86 simd avx

How does an instruction decoder tell the difference between a prefix and a primary opcode?

assembly x86 cpu-architecture machine-code instruction-encoding

Why can't we declare uninitialized variables in .bss section using `?` in arbitrary order?

assembly x86 nasm

Are there any advantages to compiling an assembly as x64?

.net x86 64-bit compilation
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