[mips][super property speed] Add an IC for super property loads

Port 3d40ec8d
https://crrev.com/c/2349297

Change-Id: If362e7592ee81e1e428c4757c3ca03768ad366b4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2398767Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#69765}

src/codegen/mips/interface-descriptors-mips.cc

@@ -78,6 +78,11 @@ const Register LoadDescriptor::SlotRegister() { return a0; }
 
 const Register LoadWithVectorDescriptor::VectorRegister() { return a3; }
 
+const Register
+LoadWithReceiverAndVectorDescriptor::LookupStartObjectRegister() {
+  return t0;
+}
+
 const Register StoreDescriptor::ReceiverRegister() { return a1; }
 const Register StoreDescriptor::NameRegister() { return a2; }
 const Register StoreDescriptor::ValueRegister() { return a0; }

src/codegen/mips64/interface-descriptors-mips64.cc

@@ -78,6 +78,11 @@ const Register LoadDescriptor::SlotRegister() { return a0; }
 
 const Register LoadWithVectorDescriptor::VectorRegister() { return a3; }
 
+const Register
+LoadWithReceiverAndVectorDescriptor::LookupStartObjectRegister() {
+  return a4;
+}
+
 const Register StoreDescriptor::ReceiverRegister() { return a1; }
 const Register StoreDescriptor::NameRegister() { return a2; }
 const Register StoreDescriptor::ValueRegister() { return a0; }