======================================================== Architecture & Platform Information for Compiler Writers

.. contents:: :local:

.. note::

This document is a work-in-progress. Additions and clarifications are welcome.

Hardware

AArch64 & ARM

• ARMv8-A Architecture Reference Manual This document covers both AArch64 and ARM instructions

• ARMv7-A Architecture Reference Manual This has some useful info on what is supported by older architecture versions.

• ARMv7-M Architecture Reference Manual This covers the Thumb2-only microcontrollers

• ARMv6-M Architecture Reference Manual This covers the Thumb1-only microcontrollers

• ARM C Language Extensions

• ARM NEON Intrinsics Reference

• AArch32 ABI Addenda and Errata

• Cortex-A57 Software Optimization Guide

• Run-time ABI for the ARM Architecture This documents the _aeabi* helper functions.

Itanium (ia64)

• Itanium documentation

Lanai

• Lanai Instruction Set Architecture

MIPS

• MIPS Processor Architecture

• MIPS 64-bit ELF Object File Specification

PowerPC

IBM - Official manuals and docs ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Power Instruction Set Architecture, Version 3.0B

• POWER9 Processor User's Manual

• Power Instruction Set Architecture, Version 2.07B

• POWER8 Processor User's Manual

• Power Instruction Set Architecture, Versions 2.03 through 2.06 (Internet Archive)

• IBM AIX 7.2 POWER Assembly Reference

• IBM AIX/5L for POWER Assembly Reference

Embedded PowerPC Processors manuals and docs ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Book E: Enhanced PowerPC Architecture

• EREF: A Programmer's Reference Manual for Freescale Embedded Processors (EREFRM)

• Signal Processing Engine (SPE) Programming Environments Manual: A Supplement to the EREF

• Variable-Length Encoding (VLE) Programming Environments Manual: A Supplement to the EREF

Other documents, collections, notes ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

• PowerPC Compiler Writer's Guide
• Intro to PowerPC Architecture
• Various IBM specifications and white papers
• PowerPC ABI documents
• PowerPC64 alignment of long doubles (from GCC)
• Long branch stubs for powerpc64-linux (from binutils)

AMDGPU

Refer to :doc:AMDGPUUsage for additional documentation.

RISC-V

• RISC-V User-Level ISA Specification

C-SKY

• C-SKY Architecture User Guide
• C-SKY V2 ABI

LoongArch

• LoongArch Reference Manual - Volume 1: Basic Architecture
• LoongArch ELF ABI specification

SPARC

• SPARC standards
• SPARC V9 ABI
• SPARC V8 ABI

SystemZ

• z/Architecture Principles of Operation (registration required, free sign-up)

VE

• NEC SX-Aurora TSUBASA ISA Guide
• NEC SX-Aurora TSUBASA manuals and documentation

X86

• AMD processor manuals
• Intel 64 and IA-32 manuals
• Intel Itanium documentation
• X86 and X86-64 SysV psABI
• Calling conventions for different C++ compilers and operating systems

XCore

• The XMOS XS1 Architecture (ISA)
• The XMOS XS2 Architecture (ISA)
• Tools Development Guide (includes ABI)

Hexagon

• Hexagon Programmer's Reference Manuals and Hexagon ABI Specification (registration required, free sign-up)

Other relevant lists

• GCC reading list

ABI

• System V Application Binary Interface
• Itanium C++ ABI (This is used for all non-Windows targets.)

Linux

• Linux extensions to gabi

• 64-Bit ELF V2 ABI Specification: Power Architecture

• OpenPOWER ELFv2 Errata: ELFv2 ABI Version 1.4

• PowerPC 64-bit ELF ABI Supplement

• Procedure Call Standard for the AArch64 Architecture

• Procedure Call Standard for the ARM Architecture

• ELF for the ARM Architecture

• ELF for the ARM 64-bit Architecture (AArch64)

• System z ELF ABI Supplement

macOS

• Mach-O Runtime Architecture
• Notes on Mach-O ABI
• ARM64 Function Calling Conventions

Windows

• Microsoft PE/COFF Specification
• ARM64 exception handling
• ARM exception handling
• Overview of ARM64 ABI conventions
• Overview of ARM32 ABI Conventions

NVPTX

• CUDA Documentation includes the PTX ISA and Driver API documentation

SPIR-V

• SPIR-V documentation

Miscellaneous Resources

• Executable File Format library

• GCC prefetch project page has a good survey of the prefetching capabilities of a variety of modern processors.