[PATCH] D49088: [WebAssembly] Support for binary atomic RMW instructions

[Heejin Ahn via Phabricator via llvm-commits]

aheejin created this revision.
aheejin added a reviewer: dschuff.
Herald added subscribers: llvm-commits, sunfish, jgravelle-google, sbc100.

This adds support for binary atomic read-modify-write instructions:
add, sub, and, or, xor, and xchg.


Repository:
  rL LLVM

https://reviews.llvm.org/D49088

Files:
  lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
  lib/Target/WebAssembly/WebAssemblyInstrAtomics.td
  lib/Target/WebAssembly/WebAssemblySetP2AlignOperands.cpp
  test/CodeGen/WebAssembly/atomic-rmw.ll
  test/CodeGen/WebAssembly/offset-atomics.ll

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