intelxed/xed

Health v2 · maintenance only

Adoption not part of the score

1613 stars · 172 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Intel XED is a C library for encoding and decoding X86 (IA32 and Intel64) machine instructions, converting between byte sequences and structured descriptions of opcodes, operands, and flags. It also serves as the basis for a disassembler and command-line tool, and powers tools like Intel Pin, SDE, and VTune.

Use cases

• decode x86 instruction bytes into structured form
• assemble/encode x86 instructions programmatically
• build a custom disassembler for binaries
• analyze instruction operands and register dependencies
• static analysis of x86 machine code
• instrumentation tooling needing instruction decoding

When to choose

• you need a fast, accurate, Intel-maintained x86 encoder/decoder
• you're building disassemblers, profilers, emulators, or binary analysis tools
• you need support for the latest Intel instruction set extensions

When to avoid

• you need ARM, RISC-V, or other non-x86 architectures
• you want a high-level assembler with macro/directive support (use NASM/GAS instead)
• you need a lightweight scripting-only solution

Facets

library · maturity stable

parser compiler developer-tools developer-tools compilers operating-systems performance windows cross-platform cpp python x86 disassembler instruction-encoding binary-analysis reverse-engineering assembly linux macos

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