Implement UnaligedLoad and UnaligedStore turbofan operators.

src/compiler/wasm-compiler.h

Index: src/compiler/wasm-compiler.h
diff --git a/src/compiler/wasm-compiler.h b/src/compiler/wasm-compiler.h
index 406336b0e189a05e50fe13987d2ef0924d35e496..053e63ecf87b691900c68d3db037972fc7b9bde6 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -223,19 +223,6 @@ class WasmGraphBuilder {
   void BoundsCheckMem(MachineType memtype, Node* index, uint32_t offset,
                       wasm::WasmCodePosition position);
 
-  MachineType GetTypeForUnalignedAccess(uint32_t alignment,
-                                        bool signExtend = false);
-
-  Node* GetUnalignedLoadOffsetNode(Node* baseOffset, int numberOfBytes,
-                                   int stride, int current);
-
-  Node* BuildUnalignedLoad(wasm::LocalType type, MachineType memtype,
-                           Node* index, uint32_t offset, uint32_t alignment);
-  Node* GetUnalignedStoreOffsetNode(Node* baseOffset, int numberOfBytes,
-                                    int stride, int current);
-  Node* BuildUnalignedStore(MachineType memtype, Node* index, uint32_t offset,
-                            uint32_t alignment, Node* val);
-
   Node* BuildChangeEndianness(Node* node, MachineType type,
                               wasm::LocalType wasmtype = wasm::kAstStmt);