Make concrete classes for individual call descriptors.

src/ic/arm/ic-arm.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_ARM
 
 #include "src/codegen.h"
 #include "src/ic/ic.h"
@@ skipping 226 matching lines @@
   STATIC_ASSERT(kInternalizedTag == 0);
   __ tst(hash, Operand(kIsNotInternalizedMask));
   __ b(ne, not_unique);
 
   __ bind(&unique);
 }
 
 
 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // The return address is in lr.
-  Register receiver = LoadConvention::ReceiverRegister();
-  Register name = LoadConvention::NameRegister();
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register name = LoadDescriptor::NameRegister();
   DCHECK(receiver.is(r1));
   DCHECK(name.is(r2));
 
   // Probe the stub cache.
   Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
       Code::ComputeHandlerFlags(Code::LOAD_IC));
   masm->isolate()->stub_cache()->GenerateProbe(masm, flags, receiver, name, r3,
                                                r4, r5, r6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   Register dictionary = r0;
-  DCHECK(!dictionary.is(LoadConvention::ReceiverRegister()));
-  DCHECK(!dictionary.is(LoadConvention::NameRegister()));
+  DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister()));
+  DCHECK(!dictionary.is(LoadDescriptor::NameRegister()));
 
   Label slow;
 
-  __ ldr(dictionary, FieldMemOperand(LoadConvention::ReceiverRegister(),
+  __ ldr(dictionary, FieldMemOperand(LoadDescriptor::ReceiverRegister(),
                                      JSObject::kPropertiesOffset));
   GenerateDictionaryLoad(masm, &slow, dictionary,
-                         LoadConvention::NameRegister(), r0, r3, r4);
+                         LoadDescriptor::NameRegister(), r0, r3, r4);
   __ Ret();
 
   // Dictionary load failed, go slow (but don't miss).
   __ bind(&slow);
   GenerateRuntimeGetProperty(masm);
 }
 
 
 // A register that isn't one of the parameters to the load ic.
 static const Register LoadIC_TempRegister() { return r3; }
 
 
 void LoadIC::GenerateMiss(MacroAssembler* masm) {
   // The return address is in lr.
   Isolate* isolate = masm->isolate();
 
   __ IncrementCounter(isolate->counters()->load_miss(), 1, r3, r4);
 
-  __ mov(LoadIC_TempRegister(), LoadConvention::ReceiverRegister());
-  __ Push(LoadIC_TempRegister(), LoadConvention::NameRegister());
+  __ mov(LoadIC_TempRegister(), LoadDescriptor::ReceiverRegister());
+  __ Push(LoadIC_TempRegister(), LoadDescriptor::NameRegister());
 
   // Perform tail call to the entry.
   ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss), isolate);
   __ TailCallExternalReference(ref, 2, 1);
 }
 
 
 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
 
-  __ mov(LoadIC_TempRegister(), LoadConvention::ReceiverRegister());
-  __ Push(LoadIC_TempRegister(), LoadConvention::NameRegister());
+  __ mov(LoadIC_TempRegister(), LoadDescriptor::ReceiverRegister());
+  __ Push(LoadIC_TempRegister(), LoadDescriptor::NameRegister());
 
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
 }
 
 
 static MemOperand GenerateMappedArgumentsLookup(
     MacroAssembler* masm, Register object, Register key, Register scratch1,
     Register scratch2, Register scratch3, Label* unmapped_case,
     Label* slow_case) {
   Heap* heap = masm->isolate()->heap();
@@ skipping 66 matching lines @@
   __ b(cs, slow_case);
   __ mov(scratch, Operand(kPointerSize >> 1));
   __ mul(scratch, key, scratch);
   __ add(scratch, scratch, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   return MemOperand(backing_store, scratch);
 }
 
 
 void KeyedLoadIC::GenerateSloppyArguments(MacroAssembler* masm) {
   // The return address is in lr.
-  Register receiver = LoadConvention::ReceiverRegister();
-  Register key = LoadConvention::NameRegister();
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
   DCHECK(receiver.is(r1));
   DCHECK(key.is(r2));
 
   Label slow, notin;
   MemOperand mapped_location = GenerateMappedArgumentsLookup(
       masm, receiver, key, r0, r3, r4, &notin, &slow);
   __ ldr(r0, mapped_location);
   __ Ret();
   __ bind(&notin);
   // The unmapped lookup expects that the parameter map is in r0.
   MemOperand unmapped_location =
       GenerateUnmappedArgumentsLookup(masm, key, r0, r3, &slow);
   __ ldr(r0, unmapped_location);
   __ LoadRoot(r3, Heap::kTheHoleValueRootIndex);
   __ cmp(r0, r3);
   __ b(eq, &slow);
   __ Ret();
   __ bind(&slow);
   GenerateMiss(masm);
 }
 
 
 void KeyedStoreIC::GenerateSloppyArguments(MacroAssembler* masm) {
-  Register receiver = StoreConvention::ReceiverRegister();
-  Register key = StoreConvention::NameRegister();
-  Register value = StoreConvention::ValueRegister();
+  Register receiver = StoreDescriptor::ReceiverRegister();
+  Register key = StoreDescriptor::NameRegister();
+  Register value = StoreDescriptor::ValueRegister();
   DCHECK(receiver.is(r1));
   DCHECK(key.is(r2));
   DCHECK(value.is(r0));
 
   Label slow, notin;
   MemOperand mapped_location = GenerateMappedArgumentsLookup(
       masm, receiver, key, r3, r4, r5, &notin, &slow);
   __ str(value, mapped_location);
   __ add(r6, r3, r5);
   __ mov(r9, value);
@@ skipping 12 matching lines @@
   GenerateMiss(masm);
 }
 
 
 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // The return address is in lr.
   Isolate* isolate = masm->isolate();
 
   __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, r3, r4);
 
-  __ Push(LoadConvention::ReceiverRegister(), LoadConvention::NameRegister());
+  __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
 
   // Perform tail call to the entry.
   ExternalReference ref =
       ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate);
 
   __ TailCallExternalReference(ref, 2, 1);
 }
 
 
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
 
-  __ Push(LoadConvention::ReceiverRegister(), LoadConvention::NameRegister());
+  __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
 
   __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1);
 }
 
 
 void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) {
   // The return address is in lr.
   Label slow, check_name, index_smi, index_name, property_array_property;
   Label probe_dictionary, check_number_dictionary;
 
-  Register key = LoadConvention::NameRegister();
-  Register receiver = LoadConvention::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
+  Register receiver = LoadDescriptor::ReceiverRegister();
   DCHECK(key.is(r2));
   DCHECK(receiver.is(r1));
 
   Isolate* isolate = masm->isolate();
 
   // Check that the key is a smi.
   __ JumpIfNotSmi(key, &check_name);
   __ 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.
@@ skipping 140 matching lines @@
   __ IndexFromHash(r3, key);
   // Now jump to the place where smi keys are handled.
   __ jmp(&index_smi);
 }
 
 
 void KeyedLoadIC::GenerateString(MacroAssembler* masm) {
   // Return address is in lr.
   Label miss;
 
-  Register receiver = LoadConvention::ReceiverRegister();
-  Register index = LoadConvention::NameRegister();
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register index = LoadDescriptor::NameRegister();
   Register scratch = r3;
   Register result = r0;
   DCHECK(!scratch.is(receiver) && !scratch.is(index));
 
   StringCharAtGenerator char_at_generator(receiver, index, scratch, result,
                                           &miss,  // When not a string.
                                           &miss,  // When not a number.
                                           &miss,  // When index out of range.
                                           STRING_INDEX_IS_ARRAY_INDEX);
   char_at_generator.GenerateFast(masm);
   __ Ret();
 
   StubRuntimeCallHelper call_helper;
   char_at_generator.GenerateSlow(masm, call_helper);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
 void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) {
   // Return address is in lr.
   Label slow;
 
-  Register receiver = LoadConvention::ReceiverRegister();
-  Register key = LoadConvention::NameRegister();
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
   Register scratch1 = r3;
   Register scratch2 = r4;
   DCHECK(!scratch1.is(receiver) && !scratch1.is(key));
   DCHECK(!scratch2.is(receiver) && !scratch2.is(key));
 
   // Check that the receiver isn't a smi.
   __ JumpIfSmi(receiver, &slow);
 
   // Check that the key is an array index, that is Uint32.
   __ NonNegativeSmiTst(key);
@@ skipping 18 matching lines @@
                         masm->isolate()),
       2, 1);
 
   __ bind(&slow);
   GenerateMiss(masm);
 }
 
 
 void KeyedStoreIC::GenerateMiss(MacroAssembler* masm) {
   // Push receiver, key and value for runtime call.
-  __ Push(StoreConvention::ReceiverRegister(), StoreConvention::NameRegister(),
-          StoreConvention::ValueRegister());
+  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
+          StoreDescriptor::ValueRegister());
 
   ExternalReference ref =
       ExternalReference(IC_Utility(kKeyedStoreIC_Miss), masm->isolate());
   __ TailCallExternalReference(ref, 3, 1);
 }
 
 
 static void KeyedStoreGenerateGenericHelper(
     MacroAssembler* masm, Label* fast_object, Label* fast_double, Label* slow,
     KeyedStoreCheckMap check_map, KeyedStoreIncrementLength increment_length,
@@ skipping 141 matching lines @@
   //  -- r0     : value
   //  -- r1     : key
   //  -- r2     : receiver
   //  -- lr     : return address
   // -----------------------------------
   Label slow, fast_object, fast_object_grow;
   Label fast_double, fast_double_grow;
   Label array, extra, check_if_double_array;
 
   // Register usage.
-  Register value = StoreConvention::ValueRegister();
-  Register key = StoreConvention::NameRegister();
-  Register receiver = StoreConvention::ReceiverRegister();
+  Register value = StoreDescriptor::ValueRegister();
+  Register key = StoreDescriptor::NameRegister();
+  Register receiver = StoreDescriptor::ReceiverRegister();
   DCHECK(receiver.is(r1));
   DCHECK(key.is(r2));
   DCHECK(value.is(r0));
   Register receiver_map = r3;
   Register elements_map = r6;
   Register elements = r9;  // Elements array of the receiver.
   // r4 and r5 are used as general scratch registers.
 
   // Check that the key is a smi.
   __ JumpIfNotSmi(key, &slow);
@@ skipping 66 matching lines @@
       masm, &fast_object, &fast_double, &slow, kCheckMap, kDontIncrementLength,
       value, key, receiver, receiver_map, elements_map, elements);
   KeyedStoreGenerateGenericHelper(masm, &fast_object_grow, &fast_double_grow,
                                   &slow, kDontCheckMap, kIncrementLength, value,
                                   key, receiver, receiver_map, elements_map,
                                   elements);
 }
 
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
-  Register receiver = StoreConvention::ReceiverRegister();
-  Register name = StoreConvention::NameRegister();
+  Register receiver = StoreDescriptor::ReceiverRegister();
+  Register name = StoreDescriptor::NameRegister();
   DCHECK(receiver.is(r1));
   DCHECK(name.is(r2));
-  DCHECK(StoreConvention::ValueRegister().is(r0));
+  DCHECK(StoreDescriptor::ValueRegister().is(r0));
 
   // 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, r3,
                                                r4, r5, r6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
-  __ Push(StoreConvention::ReceiverRegister(), StoreConvention::NameRegister(),
-          StoreConvention::ValueRegister());
+  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
+          StoreDescriptor::ValueRegister());
 
   // Perform tail call to the entry.
   ExternalReference ref =
       ExternalReference(IC_Utility(kStoreIC_Miss), masm->isolate());
   __ TailCallExternalReference(ref, 3, 1);
 }
 
 
 void StoreIC::GenerateNormal(MacroAssembler* masm) {
   Label miss;
-  Register receiver = StoreConvention::ReceiverRegister();
-  Register name = StoreConvention::NameRegister();
-  Register value = StoreConvention::ValueRegister();
+  Register receiver = StoreDescriptor::ReceiverRegister();
+  Register name = StoreDescriptor::NameRegister();
+  Register value = StoreDescriptor::ValueRegister();
   Register dictionary = r3;
   DCHECK(receiver.is(r1));
   DCHECK(name.is(r2));
   DCHECK(value.is(r0));
 
   __ ldr(dictionary, FieldMemOperand(receiver, JSObject::kPropertiesOffset));
 
   GenerateDictionaryStore(masm, &miss, dictionary, name, value, r4, r5);
   Counters* counters = masm->isolate()->counters();
   __ IncrementCounter(counters->store_normal_hit(), 1, r4, r5);
@@ skipping 96 matching lines @@
     patcher.EmitCondition(ne);
   } else {
     DCHECK(Assembler::GetCondition(branch_instr) == ne);
     patcher.EmitCondition(eq);
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM