75 lines
2.6 KiB
Markdown
75 lines
2.6 KiB
Markdown
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# Xbyak 6.61 [![Badge Build]][Build Status]
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*A C++ JIT assembler for x86 (IA32), x64 (AMD64, x86-64)*
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## Menu
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- [Install]
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- [Usage]
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- [Changelog]
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## Abstract
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Xbyak is a C++ header library that enables dynamically to assemble x86(IA32), x64(AMD64, x86-64) mnemonic.
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The pronunciation of Xbyak is `kəi-bja-k`.
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It is named from a Japanese word [開闢](https://translate.google.com/?hl=ja&sl=ja&tl=en&text=%E9%96%8B%E9%97%A2&op=translate), which means the beginning of the world.
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## Feature
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- header file only
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- Intel/MASM like syntax
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- fully support AVX-512
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**Note**:
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Use `and_()`, `or_()`, ... instead of `and()`, `or()`.
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If you want to use them, then specify `-fno-operator-names` option to gcc/clang.
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### News
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- add movdiri, movdir64b, clwb, cldemote
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- WAITPKG instructions (tpause, umonitor, umwait) are supported.
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- MmapAllocator supports memfd with user-defined strings. see sample/memfd.cpp
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- strictly check address offset disp32 in a signed 32-bit integer. e.g., `ptr[(void*)0xffffffff]` causes an error.
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- define `XBYAK_OLD_DISP_CHECK` if you need an old check, but the option will be remoevd.
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- add `jmp(mem, T_FAR)`, `call(mem, T_FAR)` `retf()` for far absolute indirect jump.
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- vnni instructions such as vpdpbusd supports vex encoding.
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- (break backward compatibility) `push(byte, imm)` (resp. `push(word, imm)`) forces to cast `imm` to 8(resp. 16) bit.
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- (Windows) `#include <winsock2.h>` has been removed from xbyak.h, so add it explicitly if you need it.
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- support exception-less mode see. [Exception-less mode](#exception-less-mode)
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- `XBYAK_USE_MMAP_ALLOCATOR` will be defined on Linux/macOS unless `XBYAK_DONT_USE_MMAP_ALLOCATOR` is defined.
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### Supported OS
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- Windows (Xp, Vista, 7, 10, 11) (32 / 64 bit)
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- Linux (32 / 64 bit)
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- macOS (Intel CPU)
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### Supported Compilers
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Almost C++03 or later compilers for x86/x64 such as Visual Studio, g++, clang++, Intel C++ compiler and g++ on mingw/cygwin.
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## License
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[BSD-3-Clause License](http://opensource.org/licenses/BSD-3-Clause)
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## Author
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#### 光成滋生 Mitsunari Shigeo
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[GitHub](https://github.com/herumi) | [Website (Japanese)](http://herumi.in.coocan.jp/) | [herumi@nifty.com](mailto:herumi@nifty.com)
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## Sponsors welcome
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[GitHub Sponsor](https://github.com/sponsors/herumi)
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<!----------------------------------------------------------------------------->
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[Badge Build]: https://github.com/herumi/xbyak/actions/workflows/main.yml/badge.svg
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[Build Status]: https://github.com/herumi/xbyak/actions/workflows/main.yml
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[License]: COPYRIGHT
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[Changelog]: doc/changelog.md
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[Install]: doc/install.md
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[Usage]: doc/usage.md
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