Use IC register definitions in platform files.

src/arm64/ic-arm64.cc

Index: src/arm64/ic-arm64.cc
diff --git a/src/arm64/ic-arm64.cc b/src/arm64/ic-arm64.cc
index d42e68a36cf923421f3c4060314f3b610efb8128..3c87831c616f94ad107004f341402ac847a83fba 100644
--- a/src/arm64/ic-arm64.cc
+++ b/src/arm64/ic-arm64.cc
@@ -412,6 +412,8 @@ void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   //  -- lr    : return address
   //  -- x0    : receiver
   // -----------------------------------
+  ASSERT(x0.is(ReceiverRegister()));
+  ASSERT(x2.is(NameRegister()));
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC);
@@ -429,6 +431,8 @@ void LoadIC::GenerateNormal(MacroAssembler* masm) {
   //  -- lr    : return address
   //  -- x0    : receiver
   // -----------------------------------
+  ASSERT(x0.is(ReceiverRegister()));
+  ASSERT(x2.is(NameRegister()));
   Label miss, slow;
 
   GenerateNameDictionaryReceiverCheck(masm, x0, x1, x3, x4, &miss);
@@ -449,9 +453,7 @@ void LoadIC::GenerateNormal(MacroAssembler* masm) {
 
 void LoadIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
-  //  -- x2    : name
   //  -- lr    : return address
-  //  -- x0    : receiver
   // -----------------------------------
   Isolate* isolate = masm->isolate();
   ASM_LOCATION("LoadIC::GenerateMiss");
@@ -459,7 +461,7 @@ void LoadIC::GenerateMiss(MacroAssembler* masm) {
   __ IncrementCounter(isolate->counters()->load_miss(), 1, x3, x4);
 
   // Perform tail call to the entry.
-  __ Push(x0, x2);
+  __ Push(ReceiverRegister(), NameRegister());
   ExternalReference ref =
       ExternalReference(IC_Utility(kLoadIC_Miss), isolate);
   __ TailCallExternalReference(ref, 2, 1);
@@ -468,12 +470,9 @@ void LoadIC::GenerateMiss(MacroAssembler* masm) {
 
 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
-  //  -- x2    : name
   //  -- lr    : return address
-  //  -- x0    : receiver
   // -----------------------------------
-
-  __ Push(x0, x2);
+  __ Push(ReceiverRegister(), NameRegister());
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
 }
 
@@ -484,6 +483,8 @@ void KeyedLoadIC::GenerateSloppyArguments(MacroAssembler* masm) {
   //  -- x0     : key
   //  -- x1     : receiver
   // -----------------------------------
+  ASSERT(x1.is(ReceiverRegister()));
+  ASSERT(x0.is(NameRegister()));
   Register result = x0;
   Register key = x0;
   Register receiver = x1;
@@ -518,7 +519,6 @@ void KeyedStoreIC::GenerateSloppyArguments(MacroAssembler* masm) {
   //  -- x1     : key
   //  -- x2     : receiver
   // -----------------------------------
-
   Label slow, notin;
 
   Register value = x0;
@@ -565,14 +565,12 @@ void KeyedStoreIC::GenerateSloppyArguments(MacroAssembler* masm) {
 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address
-  //  -- x0     : key
-  //  -- x1     : receiver
   // -----------------------------------
   Isolate* isolate = masm->isolate();
 
   __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, x10, x11);
 
-  __ Push(x1, x0);
+  __ Push(ReceiverRegister(), NameRegister());
 
   // Perform tail call to the entry.
   ExternalReference ref =
@@ -592,13 +590,8 @@ const Register KeyedLoadIC::NameRegister() { return x0; }
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address
-  //  -- x0     : key
-  //  -- x1     : receiver
   // -----------------------------------
-  Register key = x0;
-  Register receiver = x1;
-
-  __ Push(receiver, key);
+  __ Push(ReceiverRegister(), NameRegister());
   __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1);
 }
 
@@ -772,6 +765,8 @@ void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) {
   //  -- x0     : key
   //  -- x1     : receiver
   // -----------------------------------
+  ASSERT(x1.is(ReceiverRegister()));
+  ASSERT(x0.is(NameRegister()));
   Label slow, check_name, index_smi, index_name;
 
   Register key = x0;
@@ -807,6 +802,8 @@ void KeyedLoadIC::GenerateString(MacroAssembler* masm) {
   //  -- x0     : key (index)
   //  -- x1     : receiver
   // -----------------------------------
+  ASSERT(x1.is(ReceiverRegister()));
+  ASSERT(x0.is(NameRegister()));
   Label miss;
 
   Register index = x0;
@@ -839,6 +836,8 @@ void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) {
   //  -- x0     : key
   //  -- x1     : receiver
   // -----------------------------------
+  ASSERT(x1.is(ReceiverRegister()));
+  ASSERT(x0.is(NameRegister()));
   Label slow;
   Register key = x0;
   Register receiver = x1;