Add atomic load/store to binaryen-c/.js (#1298)

1 files changed, 23 insertions, 1 deletions

diff --git a/src/binaryen-c.cpp b/src/binaryen-c.cpp
index f4084eb82..9b46f0aba 100644
--- a/src/binaryen-c.cpp
+++ b/src/binaryen-c.cpp
@@ -732,6 +732,26 @@ BinaryenExpressionRef BinaryenUnreachable(BinaryenModuleRef module) {
 
   return static_cast<Expression*>(ret);
 }
+BinaryenExpressionRef BinaryenAtomicLoad(BinaryenModuleRef module, uint32_t bytes, uint32_t offset, BinaryenType type, BinaryenExpressionRef ptr) {
+  auto* ret = Builder(*((Module*)module)).makeAtomicLoad(bytes, offset, (Expression*)ptr, WasmType(type));
+
+  if (tracing) {
+    auto id = noteExpression(ret);
+    std::cout << "  expressions[" << id << "] = BinaryenAtomicLoad(the_module, " << bytes << ", " << offset << ", " << type << ", expressions[" << expressions[ptr] << "]);\n";
+  }
+
+  return static_cast<Expression*>(ret);
+}
+BinaryenExpressionRef BinaryenAtomicStore(BinaryenModuleRef module, uint32_t bytes, uint32_t offset, BinaryenExpressionRef ptr, BinaryenExpressionRef value, BinaryenType type) {
+  auto* ret = Builder(*((Module*)module)).makeAtomicStore(bytes, offset, (Expression*)ptr, (Expression*)value, WasmType(type));
+
+  if (tracing) {
+    auto id = noteExpression(ret);
+    std::cout << "  expressions[" << id << "] = BinaryenAtomicStore(the_module, " << bytes << ", " << offset << ", expressions[" << expressions[ptr] << "], expressions[" << expressions[value] << "], " << type << ");\n";
+  }
+
+  return static_cast<Expression*>(ret);
+}
 BinaryenExpressionRef BinaryenAtomicRMW(BinaryenModuleRef module, BinaryenOp op, BinaryenIndex bytes, BinaryenIndex offset, BinaryenExpressionRef ptr, BinaryenExpressionRef value, BinaryenType type) {
   auto* ret = Builder(*((Module*)module)).makeAtomicRMW(AtomicRMWOp(op), bytes, offset, (Expression*)ptr, (Expression*)value, WasmType(type));
 
@@ -1102,7 +1122,9 @@ int BinaryenModuleValidate(BinaryenModuleRef module) {
   }
 
   Module* wasm = (Module*)module;
-  return WasmValidator().validate(*wasm) ? 1 : 0;
+  // TODO add feature selection support to C API
+  FeatureSet features = Feature::Atomics;
+  return WasmValidator().validate(*wasm, features) ? 1 : 0;
 }
 
 void BinaryenModuleOptimize(BinaryenModuleRef module) {