MIPS: Use IC register definitions in platform files.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index dd2d67e3fddef0670c68979926377d873df18828..d82033f875c6f3f63e6368caeee418cc6cf7daf8 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2880,10 +2880,10 @@ void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
 
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(cp));
-  ASSERT(ToRegister(instr->global_object()).is(a0));
+  ASSERT(ToRegister(instr->global_object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->result()).is(v0));
 
-  __ li(a2, Operand(instr->name()));
+  __ li(LoadIC::NameRegister(), Operand(instr->name()));
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
@@ -3004,11 +3004,11 @@ void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
 
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(cp));
-  ASSERT(ToRegister(instr->object()).is(a0));
+  ASSERT(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->result()).is(v0));
 
   // Name is always in a2.
-  __ li(a2, Operand(instr->name()));
+  __ li(LoadIC::NameRegister(), Operand(instr->name()));
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
@@ -3327,8 +3327,8 @@ MemOperand LCodeGen::PrepareKeyedOperand(Register key,
 
 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(cp));
-  ASSERT(ToRegister(instr->object()).is(a1));
-  ASSERT(ToRegister(instr->key()).is(a0));
+  ASSERT(ToRegister(instr->object()).is(KeyedLoadIC::ReceiverRegister()));
+  ASSERT(ToRegister(instr->key()).is(KeyedLoadIC::NameRegister()));
 
   Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);