Use IC register definitions in platform files.

src/arm/ic-arm.cc

Index: src/arm/ic-arm.cc
diff --git a/src/arm/ic-arm.cc b/src/arm/ic-arm.cc
index 506ab64d716864f83968a093132f452eb39dd864..7e6252146d7c3ccf163b060c009362c60d3f2396 100644
--- a/src/arm/ic-arm.cc
+++ b/src/arm/ic-arm.cc
@@ -316,6 +316,8 @@ void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   //  -- lr    : return address
   //  -- r0    : receiver
   // -----------------------------------
+  ASSERT(r0.is(ReceiverRegister()));
+  ASSERT(r2.is(NameRegister()));
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC);
@@ -333,6 +335,9 @@ void LoadIC::GenerateNormal(MacroAssembler* masm) {
   //  -- lr    : return address
   //  -- r0    : receiver
   // -----------------------------------
+  ASSERT(r0.is(ReceiverRegister()));
+  ASSERT(r2.is(NameRegister()));
+
   Label miss, slow;
 
   GenerateNameDictionaryReceiverCheck(masm, r0, r1, r3, r4, &miss);
@@ -351,18 +356,20 @@ void LoadIC::GenerateNormal(MacroAssembler* 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) {
   // ----------- S t a t e -------------
-  //  -- r2    : name
   //  -- lr    : return address
-  //  -- r0    : receiver
   // -----------------------------------
   Isolate* isolate = masm->isolate();
 
   __ IncrementCounter(isolate->counters()->load_miss(), 1, r3, r4);
 
-  __ mov(r3, r0);
-  __ Push(r3, r2);
+  __ mov(LoadIC_TempRegister(), ReceiverRegister());
+  __ Push(LoadIC_TempRegister(), NameRegister());
 
   // Perform tail call to the entry.
   ExternalReference ref =
@@ -373,13 +380,11 @@ void LoadIC::GenerateMiss(MacroAssembler* masm) {
 
 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
-  //  -- r2    : name
   //  -- lr    : return address
-  //  -- r0    : receiver
   // -----------------------------------
 
-  __ mov(r3, r0);
-  __ Push(r3, r2);
+  __ mov(LoadIC_TempRegister(), ReceiverRegister());
+  __ Push(LoadIC_TempRegister(), NameRegister());
 
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
 }
@@ -476,6 +481,8 @@ void KeyedLoadIC::GenerateSloppyArguments(MacroAssembler* masm) {
   //  -- r0     : key
   //  -- r1     : receiver
   // -----------------------------------
+  ASSERT(r1.is(ReceiverRegister()));
+  ASSERT(r0.is(NameRegister()));
   Label slow, notin;
   MemOperand mapped_location =
       GenerateMappedArgumentsLookup(masm, r1, r0, r2, r3, r4, &notin, &slow);
@@ -528,14 +535,12 @@ void KeyedStoreIC::GenerateSloppyArguments(MacroAssembler* masm) {
 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address
-  //  -- r0     : key
-  //  -- r1     : receiver
   // -----------------------------------
   Isolate* isolate = masm->isolate();
 
   __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, r3, r4);
 
-  __ Push(r1, r0);
+  __ Push(ReceiverRegister(), NameRegister());
 
   // Perform tail call to the entry.
   ExternalReference ref =
@@ -555,11 +560,9 @@ const Register KeyedLoadIC::NameRegister() { return r0; }
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address
-  //  -- r0     : key
-  //  -- r1     : receiver
   // -----------------------------------
 
-  __ Push(r1, r0);
+  __ Push(ReceiverRegister(), NameRegister());
 
   __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1);
 }
@@ -571,6 +574,8 @@ void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) {
   //  -- r0     : key
   //  -- r1     : receiver
   // -----------------------------------
+  ASSERT(r1.is(ReceiverRegister()));
+  ASSERT(r0.is(NameRegister()));
   Label slow, check_name, index_smi, index_name, property_array_property;
   Label probe_dictionary, check_number_dictionary;
 
@@ -742,6 +747,8 @@ void KeyedLoadIC::GenerateString(MacroAssembler* masm) {
   //  -- r0     : key (index)
   //  -- r1     : receiver
   // -----------------------------------
+  ASSERT(r1.is(ReceiverRegister()));
+  ASSERT(r0.is(NameRegister()));
   Label miss;
 
   Register receiver = r1;
@@ -774,6 +781,8 @@ void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) {
   //  -- r0     : key
   //  -- r1     : receiver
   // -----------------------------------
+  ASSERT(r1.is(ReceiverRegister()));
+  ASSERT(r0.is(NameRegister()));
   Label slow;
 
   // Check that the receiver isn't a smi.