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New posts in x86-64

AVX2 instructions latency and throughput

performance x86 x86-64 simd avx2

What does movslq do?

What does 'REX' stand for in an x86-64 REX prefix?

Does glibc (GNU C Library) provide a way to obtain the size of an allocated memory block?

c linux malloc x86-64 glibc

In assembly, how to add integers without destroying either operand?

32-bit process’s address space on 64-bit linux

Linux x64: why does r10 come before r8 and r9 in syscalls?

How to detect architecture in NASM at compile time to have one source code for both x64 and x86?

How should the byte sequence 0x40 0x55 be interpreted by an x86-64 emulator?

assembly x86-64

How many clock cycles does cost AVX/SSE exponentiation on modern x86_64 CPU?

c++ x86 x86-64 sse avx

GCC wrongly optimizes a pointer-equality test for a variable at a custom address

c gcc optimization x86 x86-64

Assembly why is "lea eax, [eax + eax*const]; shl eax, eax, const;" combined faster than "imul eax, eax, const" according to gcc -O2?

Performance of modern processor

main and stack alignment

linux gcc assembly nasm x86-64

Why does llvm and gcc use different function prologs on x86 64?

c gcc assembly llvm x86-64

LFENCE is really useless vs. Spectre #2?

x86 128-bit atomic ops

assembly x86 atomic x86-64

Detail about MSR_GS_BASE in linux x86 64

Detect if the processor is 64-bit under 32 bit OS

c++ 64-bit x86-64 32-bit

64 bit features in a 32 bit application?