MIPS: To aid vector-based load ic work, we need to be able to handle the megamorphic load case in h…

src/ic/mips/ic-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
@@ skipping 231 matching lines @@
   // map: key map
   __ lbu(hash, FieldMemOperand(map, Map::kInstanceTypeOffset));
   STATIC_ASSERT(kInternalizedTag == 0);
   __ And(at, hash, Operand(kIsNotInternalizedMask));
   __ Branch(not_unique, ne, at, Operand(zero_reg));
 
   __ bind(&unique);
 }
 
 
-void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
-  // The return address is in lr.
-  Register receiver = LoadDescriptor::ReceiverRegister();
-  Register name = LoadDescriptor::NameRegister();
-  DCHECK(receiver.is(a1));
-  DCHECK(name.is(a2));
-
-  // Probe the stub cache.
-  Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
-      Code::ComputeHandlerFlags(Code::LOAD_IC));
-  masm->isolate()->stub_cache()->GenerateProbe(masm, flags, receiver, name, a3,
-                                               t0, t1, t2);
-
-  // Cache miss: Jump to runtime.
-  GenerateMiss(masm);
-}
-
-
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   Register dictionary = a0;
   DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister()));
   DCHECK(!dictionary.is(LoadDescriptor::NameRegister()));
 
   Label slow;
 
   __ lw(dictionary, FieldMemOperand(LoadDescriptor::ReceiverRegister(),
                                     JSObject::kPropertiesOffset));
   GenerateDictionaryLoad(masm, &slow, dictionary,
@@ skipping 679 matching lines @@
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Register receiver = StoreDescriptor::ReceiverRegister();
   Register name = StoreDescriptor::NameRegister();
   DCHECK(receiver.is(a1));
   DCHECK(name.is(a2));
   DCHECK(StoreDescriptor::ValueRegister().is(a0));
 
   // Get the receiver from the stack and probe the stub cache.
   Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
       Code::ComputeHandlerFlags(Code::STORE_IC));
-  masm->isolate()->stub_cache()->GenerateProbe(masm, flags, receiver, name, a3,
-                                               t0, t1, t2);
+  masm->isolate()->stub_cache()->GenerateProbe(masm, flags, false, receiver,
+                                               name, a3, t0, t1, t2);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
   __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
           StoreDescriptor::ValueRegister());
   // Perform tail call to the entry.
@@ skipping 118 matching lines @@
     patcher.ChangeBranchCondition(ne);
   } else {
     DCHECK(Assembler::IsBne(branch_instr));
     patcher.ChangeBranchCondition(eq);
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS