1 files changed, 44 insertions, 0 deletions
diff --git a/src/wasm/wasm.cpp b/src/wasm/wasm.cpp
index 2052afa89..472902ad5 100644
--- a/src/wasm/wasm.cpp
+++ b/src/wasm/wasm.cpp
@@ -175,6 +175,8 @@ const char* getExpressionName(Expression* curr) {
       return "simd_shift";
     case Expression::Id::SIMDLoadId:
       return "simd_load";
+    case Expression::Id::SIMDLoadStoreLaneId:
+      return "simd_load_store_lane";
     case Expression::Id::MemoryInitId:
       return "memory_init";
     case Expression::Id::DataDropId:
@@ -674,6 +676,48 @@ Index SIMDLoad::getMemBytes() {
   WASM_UNREACHABLE("unexpected op");
 }
 
+void SIMDLoadStoreLane::finalize() {
+  assert(ptr && vec);
+  type = isLoad() ? Type::v128 : Type::none;
+  if (ptr->type == Type::unreachable || vec->type == Type::unreachable) {
+    type = Type::unreachable;
+  }
+}
+
+Index SIMDLoadStoreLane::getMemBytes() {
+  switch (op) {
+    case LoadLaneVec8x16:
+    case StoreLaneVec8x16:
+      return 1;
+    case LoadLaneVec16x8:
+    case StoreLaneVec16x8:
+      return 2;
+    case LoadLaneVec32x4:
+    case StoreLaneVec32x4:
+      return 4;
+    case LoadLaneVec64x2:
+    case StoreLaneVec64x2:
+      return 8;
+  }
+  WASM_UNREACHABLE("unexpected op");
+}
+
+bool SIMDLoadStoreLane::isStore() {
+  switch (op) {
+    case StoreLaneVec8x16:
+    case StoreLaneVec16x8:
+    case StoreLaneVec32x4:
+    case StoreLaneVec64x2:
+      return true;
+    case LoadLaneVec16x8:
+    case LoadLaneVec32x4:
+    case LoadLaneVec64x2:
+    case LoadLaneVec8x16:
+      return false;
+  }
+  WASM_UNREACHABLE("unexpected op");
+}
+
 Const* Const::set(Literal value_) {
   value = value_;
   type = value.type;