Implement UnaligedLoad and UnaligedStore turbofan operators.

test/unittests/compiler/node-test-utils.h

Index: test/unittests/compiler/node-test-utils.h
diff --git a/test/unittests/compiler/node-test-utils.h b/test/unittests/compiler/node-test-utils.h
index 6c4f3e597cc465c46539d0666946a7b7debaebab..124080e6c45516d540eb0627ed6b4b8e57a20877 100644
--- a/test/unittests/compiler/node-test-utils.h
+++ b/test/unittests/compiler/node-test-utils.h
@@ -310,12 +310,22 @@ Matcher<Node*> IsLoad(const Matcher<LoadRepresentation>& rep_matcher,
                       const Matcher<Node*>& index_matcher,
                       const Matcher<Node*>& effect_matcher,
                       const Matcher<Node*>& control_matcher);
+Matcher<Node*> IsUnalignedLoad(
+    const Matcher<UnalignedLoadRepresentation>& rep_matcher,
+    const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher,
+    const Matcher<Node*>& effect_matcher,
+    const Matcher<Node*>& control_matcher);
 Matcher<Node*> IsStore(const Matcher<StoreRepresentation>& rep_matcher,
                        const Matcher<Node*>& base_matcher,
                        const Matcher<Node*>& index_matcher,
                        const Matcher<Node*>& value_matcher,
                        const Matcher<Node*>& effect_matcher,
                        const Matcher<Node*>& control_matcher);
+Matcher<Node*> IsUnalignedStore(
+    const Matcher<UnalignedStoreRepresentation>& rep_matcher,
+    const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher,
+    const Matcher<Node*>& value_matcher, const Matcher<Node*>& effect_matcher,
+    const Matcher<Node*>& control_matcher);
 Matcher<Node*> IsStackSlot(const Matcher<MachineRepresentation>& rep_matcher);
 Matcher<Node*> IsWord32And(const Matcher<Node*>& lhs_matcher,
                            const Matcher<Node*>& rhs_matcher);