Add atomic loads and stores (#1077)

Add IR, wast and binary support for atomic loads and stores.

Currently all IR generated by means other than parsing wast and binary files always generates non-atomic accesses, and optimizations have not yet been made aware of atomics, so they are certainly not ready to be used yet.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/s2wasm.h b/src/s2wasm.h
index efa4ad601..0fc0201cd 100644
--- a/src/s2wasm.h
+++ b/src/s2wasm.h
@@ -920,6 +920,7 @@ class S2WasmBuilder {
     auto makeLoad = [&](WasmType type) {
       skipComma();
       auto curr = allocator->alloc<Load>();
+      curr->isAtomic = false;
       curr->type = type;
       int32_t bytes = getInt() / CHAR_BIT;
       curr->bytes = bytes > 0 ? bytes : getWasmTypeSize(type);
@@ -939,6 +940,7 @@ class S2WasmBuilder {
     };
     auto makeStore = [&](WasmType type) {
       auto curr = allocator->alloc<Store>();
+      curr->isAtomic = false;
       curr->valueType = type;
       s += strlen("store");
       if(!isspace(*s)) {