Use IC register definitions in platform files.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index a0af737590a6aa48bef03474cf6db7d6248bb0d8..873d57ca8d89b10e230ecceb1bf5cf009df1ab18 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -2832,10 +2832,10 @@ void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
 
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
-  ASSERT(ToRegister(instr->global_object()).is(edx));
+  ASSERT(ToRegister(instr->global_object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->result()).is(eax));
 
-  __ mov(ecx, instr->name());
+  __ mov(LoadIC::NameRegister(), instr->name());
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
@@ -2966,10 +2966,10 @@ void LCodeGen::EmitPushTaggedOperand(LOperand* operand) {
 
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
-  ASSERT(ToRegister(instr->object()).is(edx));
+  ASSERT(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->result()).is(eax));
 
-  __ mov(ecx, instr->name());
+  __ mov(LoadIC::NameRegister(), instr->name());
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
@@ -3207,8 +3207,8 @@ Operand LCodeGen::BuildFastArrayOperand(
 
 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
-  ASSERT(ToRegister(instr->object()).is(edx));
-  ASSERT(ToRegister(instr->key()).is(ecx));
+  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);