Shengchen Kan 58bb2d1956
[X86][MC] Support encoding of EGPR for APX (#71909)
#70958 adds registers R16-R31 (EGPR), this patch
1. Introduces a new instruction prefix REX2
2. Supports encoding of EGPR with REX2 for legacy instructions in MAP
0/1
3. Supports encoding of EGPR with EVEX for the existing instructions in
EVEX space

RFC:

https://discourse.llvm.org/t/rfc-design-for-apx-feature-egpr-and-ndd-support/73031/4
2023-11-13 15:27:42 +08:00
..

The LLVM Compiler Infrastructure
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.