HomePhabricator

[WebAssembly] Support for a ternary atomic RMW instruction

Authored by aheejin on Aug 1 2018, 12:40 PM.

Description

[WebAssembly] Support for a ternary atomic RMW instruction

Summary: This adds support for a ternary atomic RMW instruction: cmpxchg.

Reviewers: dschuff

Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D49195

llvm-svn: 338617