Merge (7265, 7271] from bleeding_edge to experimental/gc branch....

src/arm/ic-arm.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 536 matching lines @@
   // -----------------------------------
   Label number, non_number, non_string, boolean, probe, miss;
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(kind,
                                          NOT_IN_LOOP,
                                          MONOMORPHIC,
                                          Code::kNoExtraICState,
                                          NORMAL,
                                          argc);
-  StubCache::GenerateProbe(masm, flags, r1, r2, r3, r4, r5);
+  Isolate::Current()->stub_cache()->GenerateProbe(
+      masm, flags, r1, r2, r3, r4, r5);
 
   // If the stub cache probing failed, the receiver might be a value.
   // For value objects, we use the map of the prototype objects for
   // the corresponding JSValue for the cache and that is what we need
   // to probe.
   //
   // Check for number.
   __ tst(r1, Operand(kSmiTagMask));
   __ b(eq, &number);
   __ CompareObjectType(r1, r3, r3, HEAP_NUMBER_TYPE);
@@ skipping 18 matching lines @@
   __ b(eq, &boolean);
   __ LoadRoot(ip, Heap::kFalseValueRootIndex);
   __ cmp(r1, ip);
   __ b(ne, &miss);
   __ bind(&boolean);
   StubCompiler::GenerateLoadGlobalFunctionPrototype(
       masm, Context::BOOLEAN_FUNCTION_INDEX, r1);
 
   // Probe the stub cache for the value object.
   __ bind(&probe);
-  StubCache::GenerateProbe(masm, flags, r1, r2, r3, r4, r5);
+  Isolate::Current()->stub_cache()->GenerateProbe(
+      masm, flags, r1, r2, r3, r4, r5);
 
   __ bind(&miss);
 }
 
 
 static void GenerateFunctionTailCall(MacroAssembler* masm,
                                      int argc,
                                      Label* miss,
                                      Register scratch) {
   // r1: function
@@ skipping 34 matching lines @@
 }
 
 
 static void GenerateCallMiss(MacroAssembler* masm, int argc, IC::UtilityId id) {
   // ----------- S t a t e -------------
   //  -- r2    : name
   //  -- lr    : return address
   // -----------------------------------
 
   if (id == IC::kCallIC_Miss) {
-    __ IncrementCounter(&Counters::call_miss, 1, r3, r4);
+    __ IncrementCounter(COUNTERS->call_miss(), 1, r3, r4);
   } else {
-    __ IncrementCounter(&Counters::keyed_call_miss, 1, r3, r4);
+    __ IncrementCounter(COUNTERS->keyed_call_miss(), 1, r3, r4);
   }
 
   // Get the receiver of the function from the stack.
   __ ldr(r3, MemOperand(sp, argc * kPointerSize));
 
   __ EnterInternalFrame();
 
   // Push the receiver and the name of the function.
   __ Push(r3, r2);
 
@@ skipping 94 matching lines @@
   __ JumpIfNotSmi(r2, &check_string);
   __ bind(&index_smi);
   // Now the key is known to be a smi. This place is also jumped to from below
   // where a numeric string is converted to a smi.
 
   GenerateKeyedLoadReceiverCheck(
       masm, r1, r0, r3, Map::kHasIndexedInterceptor, &slow_call);
 
   GenerateFastArrayLoad(
       masm, r1, r2, r4, r3, r0, r1, &check_number_dictionary, &slow_load);
-  __ IncrementCounter(&Counters::keyed_call_generic_smi_fast, 1, r0, r3);
+  __ IncrementCounter(COUNTERS->keyed_call_generic_smi_fast(), 1, r0, r3);
 
   __ bind(&do_call);
   // receiver in r1 is not used after this point.
   // r2: key
   // r1: function
   GenerateFunctionTailCall(masm, argc, &slow_call, r0);
 
   __ bind(&check_number_dictionary);
   // r2: key
   // r3: elements map
   // r4: elements
   // Check whether the elements is a number dictionary.
   __ LoadRoot(ip, Heap::kHashTableMapRootIndex);
   __ cmp(r3, ip);
   __ b(ne, &slow_load);
   __ mov(r0, Operand(r2, ASR, kSmiTagSize));
   // r0: untagged index
   GenerateNumberDictionaryLoad(masm, &slow_load, r4, r2, r1, r0, r3, r5);
-  __ IncrementCounter(&Counters::keyed_call_generic_smi_dict, 1, r0, r3);
+  __ IncrementCounter(COUNTERS->keyed_call_generic_smi_dict(), 1, r0, r3);
   __ jmp(&do_call);
 
   __ bind(&slow_load);
   // This branch is taken when calling KeyedCallIC_Miss is neither required
   // nor beneficial.
-  __ IncrementCounter(&Counters::keyed_call_generic_slow_load, 1, r0, r3);
+  __ IncrementCounter(COUNTERS->keyed_call_generic_slow_load(), 1, r0, r3);
   __ EnterInternalFrame();
   __ push(r2);  // save the key
   __ Push(r1, r2);  // pass the receiver and the key
   __ CallRuntime(Runtime::kKeyedGetProperty, 2);
   __ pop(r2);  // restore the key
   __ LeaveInternalFrame();
   __ mov(r1, r0);
   __ jmp(&do_call);
 
   __ bind(&check_string);
   GenerateKeyStringCheck(masm, r2, r0, r3, &index_string, &slow_call);
 
   // The key is known to be a symbol.
   // If the receiver is a regular JS object with slow properties then do
   // a quick inline probe of the receiver's dictionary.
   // Otherwise do the monomorphic cache probe.
   GenerateKeyedLoadReceiverCheck(
       masm, r1, r0, r3, Map::kHasNamedInterceptor, &lookup_monomorphic_cache);
 
   __ ldr(r0, FieldMemOperand(r1, JSObject::kPropertiesOffset));
   __ ldr(r3, FieldMemOperand(r0, HeapObject::kMapOffset));
   __ LoadRoot(ip, Heap::kHashTableMapRootIndex);
   __ cmp(r3, ip);
   __ b(ne, &lookup_monomorphic_cache);
 
   GenerateDictionaryLoad(masm, &slow_load, r0, r2, r1, r3, r4);
-  __ IncrementCounter(&Counters::keyed_call_generic_lookup_dict, 1, r0, r3);
+  __ IncrementCounter(COUNTERS->keyed_call_generic_lookup_dict(), 1, r0, r3);
   __ jmp(&do_call);
 
   __ bind(&lookup_monomorphic_cache);
-  __ IncrementCounter(&Counters::keyed_call_generic_lookup_cache, 1, r0, r3);
+  __ IncrementCounter(COUNTERS->keyed_call_generic_lookup_cache(), 1, r0, r3);
   GenerateMonomorphicCacheProbe(masm, argc, Code::KEYED_CALL_IC);
   // Fall through on miss.
 
   __ bind(&slow_call);
   // This branch is taken if:
   // - the receiver requires boxing or access check,
   // - the key is neither smi nor symbol,
   // - the value loaded is not a function,
   // - there is hope that the runtime will create a monomorphic call stub
   //   that will get fetched next time.
-  __ IncrementCounter(&Counters::keyed_call_generic_slow, 1, r0, r3);
+  __ IncrementCounter(COUNTERS->keyed_call_generic_slow(), 1, r0, r3);
   GenerateMiss(masm, argc);
 
   __ bind(&index_string);
   __ IndexFromHash(r3, r2);
   // Now jump to the place where smi keys are handled.
   __ jmp(&index_smi);
 }
 
 
 void KeyedCallIC::GenerateNormal(MacroAssembler* masm, int argc) {
@@ skipping 22 matching lines @@
   //  -- r2    : name
   //  -- lr    : return address
   //  -- r0    : receiver
   //  -- sp[0] : receiver
   // -----------------------------------
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC,
                                          NOT_IN_LOOP,
                                          MONOMORPHIC);
-  StubCache::GenerateProbe(masm, flags, r0, r2, r3, r4, r5);
+  Isolate::Current()->stub_cache()->GenerateProbe(
+      masm, flags, r0, r2, r3, r4, r5);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r2    : name
   //  -- lr    : return address
@@ skipping 15 matching lines @@
 
 
 void LoadIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r2    : name
   //  -- lr    : return address
   //  -- r0    : receiver
   //  -- sp[0] : receiver
   // -----------------------------------
 
-  __ IncrementCounter(&Counters::load_miss, 1, r3, r4);
+  __ IncrementCounter(COUNTERS->load_miss(), 1, r3, r4);
 
   __ mov(r3, r0);
   __ Push(r3, r2);
 
   // Perform tail call to the entry.
   ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss));
   __ TailCallExternalReference(ref, 2, 1);
 }
 
 // Returns the code marker, or the 0 if the code is not marked.
@@ skipping 127 matching lines @@
 
   // Compute the address of the map load instruction.
   Address ldr_map_instr_address =
       inline_end_address -
       (CodeGenerator::GetInlinedNamedStoreInstructionsAfterPatch() *
        Assembler::kInstrSize);
 
   // Update the offsets if initializing the inlined store. No reason
   // to update the offsets when clearing the inlined version because
   // it will bail out in the map check.
-  if (map != Heap::null_value()) {
+  if (map != HEAP->null_value()) {
     // Patch the offset in the actual store instruction.
     Address str_property_instr_address =
         ldr_map_instr_address + 3 * Assembler::kInstrSize;
     Instr str_property_instr = Assembler::instr_at(str_property_instr_address);
     ASSERT(Assembler::IsStrRegisterImmediate(str_property_instr));
     str_property_instr = Assembler::SetStrRegisterImmediateOffset(
         str_property_instr, offset - kHeapObjectTag);
     Assembler::instr_at_put(str_property_instr_address, str_property_instr);
 
 #ifdef ENABLE_CARDMARKING_WRITE_BARRIER
@@ skipping 65 matching lines @@
 Object* KeyedLoadIC_Miss(Arguments args);
 
 
 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address
   //  -- r0     : key
   //  -- r1     : receiver
   // -----------------------------------
 
-  __ IncrementCounter(&Counters::keyed_load_miss, 1, r3, r4);
+  __ IncrementCounter(COUNTERS->keyed_load_miss(), 1, r3, r4);
 
   __ Push(r1, r0);
 
   ExternalReference ref = ExternalReference(IC_Utility(kKeyedLoadIC_Miss));
   __ TailCallExternalReference(ref, 2, 1);
 }
 
 
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
@@ skipping 30 matching lines @@
       masm, receiver, r2, r3, Map::kHasIndexedInterceptor, &slow);
 
   // Check the "has fast elements" bit in the receiver's map which is
   // now in r2.
   __ ldrb(r3, FieldMemOperand(r2, Map::kBitField2Offset));
   __ tst(r3, Operand(1 << Map::kHasFastElements));
   __ b(eq, &check_number_dictionary);
 
   GenerateFastArrayLoad(
       masm, receiver, key, r4, r3, r2, r0, NULL, &slow);
-  __ IncrementCounter(&Counters::keyed_load_generic_smi, 1, r2, r3);
+  __ IncrementCounter(COUNTERS->keyed_load_generic_smi(), 1, r2, r3);
   __ Ret();
 
   __ bind(&check_number_dictionary);
   __ ldr(r4, FieldMemOperand(receiver, JSObject::kElementsOffset));
   __ ldr(r3, FieldMemOperand(r4, JSObject::kMapOffset));
 
   // Check whether the elements is a number dictionary.
   // r0: key
   // r3: elements map
   // r4: elements
   __ LoadRoot(ip, Heap::kHashTableMapRootIndex);
   __ cmp(r3, ip);
   __ b(ne, &slow);
   __ mov(r2, Operand(r0, ASR, kSmiTagSize));
   GenerateNumberDictionaryLoad(masm, &slow, r4, r0, r0, r2, r3, r5);
   __ Ret();
 
   // Slow case, key and receiver still in r0 and r1.
   __ bind(&slow);
-  __ IncrementCounter(&Counters::keyed_load_generic_slow, 1, r2, r3);
+  __ IncrementCounter(COUNTERS->keyed_load_generic_slow(), 1, r2, r3);
   GenerateRuntimeGetProperty(masm);
 
   __ bind(&check_string);
   GenerateKeyStringCheck(masm, key, r2, r3, &index_string, &slow);
 
   GenerateKeyedLoadReceiverCheck(
       masm, receiver, r2, r3, Map::kHasNamedInterceptor, &slow);
 
   // If the receiver is a fast-case object, check the keyed lookup
   // cache. Otherwise probe the dictionary.
@@ skipping 34 matching lines @@
   __ ldr(r5, MemOperand(r4, r3, LSL, kPointerSizeLog2));
   __ ldrb(r6, FieldMemOperand(r2, Map::kInObjectPropertiesOffset));
   __ sub(r5, r5, r6, SetCC);
   __ b(ge, &property_array_property);
 
   // Load in-object property.
   __ ldrb(r6, FieldMemOperand(r2, Map::kInstanceSizeOffset));
   __ add(r6, r6, r5);  // Index from start of object.
   __ sub(r1, r1, Operand(kHeapObjectTag));  // Remove the heap tag.
   __ ldr(r0, MemOperand(r1, r6, LSL, kPointerSizeLog2));
-  __ IncrementCounter(&Counters::keyed_load_generic_lookup_cache, 1, r2, r3);
+  __ IncrementCounter(COUNTERS->keyed_load_generic_lookup_cache(), 1, r2, r3);
   __ Ret();
 
   // Load property array property.
   __ bind(&property_array_property);
   __ ldr(r1, FieldMemOperand(r1, JSObject::kPropertiesOffset));
   __ add(r1, r1, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   __ ldr(r0, MemOperand(r1, r5, LSL, kPointerSizeLog2));
-  __ IncrementCounter(&Counters::keyed_load_generic_lookup_cache, 1, r2, r3);
+  __ IncrementCounter(COUNTERS->keyed_load_generic_lookup_cache(), 1, r2, r3);
   __ Ret();
 
   // Do a quick inline probe of the receiver's dictionary, if it
   // exists.
   __ bind(&probe_dictionary);
   // r1: receiver
   // r0: key
   // r3: elements
   __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
   __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
   GenerateGlobalInstanceTypeCheck(masm, r2, &slow);
   // Load the property to r0.
   GenerateDictionaryLoad(masm, &slow, r3, r0, r0, r2, r4);
-  __ IncrementCounter(&Counters::keyed_load_generic_symbol, 1, r2, r3);
+  __ IncrementCounter(COUNTERS->keyed_load_generic_symbol(), 1, r2, r3);
   __ Ret();
 
   __ bind(&index_string);
   __ IndexFromHash(r3, key);
   // Now jump to the place where smi keys are handled.
   __ jmp(&index_smi);
 }
 
 
 void KeyedLoadIC::GenerateString(MacroAssembler* masm) {
@@ skipping 220 matching lines @@
   //  -- r1    : receiver
   //  -- r2    : name
   //  -- lr    : return address
   // -----------------------------------
 
   // Get the receiver from the stack and probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(Code::STORE_IC,
                                          NOT_IN_LOOP,
                                          MONOMORPHIC,
                                          strict_mode);
-  StubCache::GenerateProbe(masm, flags, r1, r2, r3, r4, r5);
+
+  Isolate::Current()->stub_cache()->GenerateProbe(
+      masm, flags, r1, r2, r3, r4, r5);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0    : value
   //  -- r1    : receiver
@@ skipping 63 matching lines @@
   //  -- r0    : value
   //  -- r1    : receiver
   //  -- r2    : name
   //  -- lr    : return address
   // -----------------------------------
   Label miss;
 
   GenerateStringDictionaryReceiverCheck(masm, r1, r3, r4, r5, &miss);
 
   GenerateDictionaryStore(masm, &miss, r3, r2, r0, r4, r5);
-  __ IncrementCounter(&Counters::store_normal_hit, 1, r4, r5);
+  __ IncrementCounter(COUNTERS->store_normal_hit(), 1, r4, r5);
   __ Ret();
 
   __ bind(&miss);
-  __ IncrementCounter(&Counters::store_normal_miss, 1, r4, r5);
+  __ IncrementCounter(COUNTERS->store_normal_miss(), 1, r4, r5);
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateGlobalProxy(MacroAssembler* masm,
                                   StrictModeFlag strict_mode) {
   // ----------- S t a t e -------------
   //  -- r0    : value
   //  -- r1    : receiver
   //  -- r2    : name
@@ skipping 129 matching lines @@
     Register reg = Assembler::GetRn(instr_at_patch);
     patcher.masm()->tst(reg, Operand(kSmiTagMask));
     patcher.EmitCondition(eq);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM