Prototype prefetch instructions (#3467)

As proposed in https://github.com/WebAssembly/simd/pull/352, using the opcodes
used in the LLVM and V8 implementations.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/wasm-interpreter.h b/src/wasm-interpreter.h
index 3d963269d..392b0c2bc 100644
--- a/src/wasm-interpreter.h
+++ b/src/wasm-interpreter.h
@@ -1167,6 +1167,14 @@ public:
     NOTE_ENTER("Nop");
     return Flow();
   }
+  Flow visitPrefetch(Prefetch* curr) {
+    NOTE_ENTER("Prefetch");
+    Flow flow = visit(curr->ptr);
+    if (flow.breaking()) {
+      return flow;
+    }
+    return Flow();
+  }
   Flow visitUnreachable(Unreachable* curr) {
     NOTE_ENTER("Unreachable");
     trap("unreachable");