From bcb29e59c92347eebcd138034a4f4c06d042670a Mon Sep 17 00:00:00 2001
From: Derek Schuff <dschuff@chromium.org>
Date: Mon, 10 Jul 2017 09:47:21 -0700
Subject: Add IR, parsing, printing, and binary for atomic cmpxchg (#1083)

---
 src/wasm.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/wasm.h')

diff --git a/src/wasm.h b/src/wasm.h
index e98c4db63..1f9e1c7af 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -131,7 +131,7 @@ enum HostOp {
 };
 
 enum AtomicRMWOp {
-  Add, Sub, And, Or, Xor, Xchg,
+  Add, Sub, And, Or, Xor, Xchg
 };
 
 //
@@ -445,6 +445,15 @@ class AtomicRMW : public SpecificExpression<Expression::AtomicRMWId> {
 class AtomicCmpxchg : public SpecificExpression<Expression::AtomicCmpxchgId> {
  public:
   AtomicCmpxchg() = default;
+  AtomicCmpxchg(MixedArena& allocator) : AtomicCmpxchg() {}
+
+  uint8_t bytes;
+  Address offset;
+  Expression* ptr;
+  Expression* expected;
+  Expression* replacement;
+
+  void finalize();
 };
 
 class Const : public SpecificExpression<Expression::ConstId> {
-- 
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