X87: Clean up code stubs and ensure distinct major keys.

src/x87/code-stubs-x87.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_X87
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 1221 matching lines @@
                                           Register scratch) {
   __ JumpIfSmi(object, label);
   __ mov(scratch, FieldOperand(object, HeapObject::kMapOffset));
   __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset));
   STATIC_ASSERT(kInternalizedTag == 0 && kStringTag == 0);
   __ test(scratch, Immediate(kIsNotStringMask | kIsNotInternalizedMask));
   __ j(not_zero, label);
 }
 
 
-void ICCompareStub::GenerateGeneric(MacroAssembler* masm) {
+void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
   Label check_unequal_objects;
   Condition cc = GetCondition();
 
   Label miss;
   CheckInputType(masm, edx, left(), &miss);
   CheckInputType(masm, eax, right(), &miss);
 
   // Compare two smis.
   Label non_smi, smi_done;
   __ mov(ecx, edx);
@@ skipping 1790 matching lines @@
     __ Assert(equal, kExpectedAllocationSite);
   }
 
   // Tail call into the stub that handles binary operations with allocation
   // sites.
   BinaryOpWithAllocationSiteStub stub(isolate(), state());
   __ TailCallStub(&stub);
 }
 
 
-void ICCompareStub::GenerateSmis(MacroAssembler* masm) {
+void CompareICStub::GenerateSmis(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::SMI);
   Label miss;
   __ mov(ecx, edx);
   __ or_(ecx, eax);
   __ JumpIfNotSmi(ecx, &miss, Label::kNear);
 
   if (GetCondition() == equal) {
     // For equality we do not care about the sign of the result.
     __ sub(eax, edx);
   } else {
     Label done;
     __ sub(edx, eax);
     __ j(no_overflow, &done, Label::kNear);
     // Correct sign of result in case of overflow.
     __ not_(edx);
     __ bind(&done);
     __ mov(eax, edx);
   }
   __ ret(0);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateNumbers(MacroAssembler* masm) {
+void CompareICStub::GenerateNumbers(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::NUMBER);
 
   Label generic_stub;
   Label unordered, maybe_undefined1, maybe_undefined2;
   Label miss;
 
   if (left() == CompareIC::SMI) {
     __ JumpIfNotSmi(edx, &miss);
   }
   if (right() == CompareIC::SMI) {
     __ JumpIfNotSmi(eax, &miss);
   }
 
   // Inlining the double comparison and falling back to the general compare
   // stub if NaN is involved or SSE2 or CMOV is unsupported.
   __ mov(ecx, edx);
   __ and_(ecx, eax);
   __ JumpIfSmi(ecx, &generic_stub, Label::kNear);
 
   __ cmp(FieldOperand(eax, HeapObject::kMapOffset),
          isolate()->factory()->heap_number_map());
   __ j(not_equal, &maybe_undefined1, Label::kNear);
   __ cmp(FieldOperand(edx, HeapObject::kMapOffset),
          isolate()->factory()->heap_number_map());
   __ j(not_equal, &maybe_undefined2, Label::kNear);
 
   __ bind(&unordered);
   __ bind(&generic_stub);
-  ICCompareStub stub(isolate(), op(), CompareIC::GENERIC, CompareIC::GENERIC,
+  CompareICStub stub(isolate(), op(), CompareIC::GENERIC, CompareIC::GENERIC,
                      CompareIC::GENERIC);
   __ jmp(stub.GetCode(), RelocInfo::CODE_TARGET);
 
   __ bind(&maybe_undefined1);
   if (Token::IsOrderedRelationalCompareOp(op())) {
     __ cmp(eax, Immediate(isolate()->factory()->undefined_value()));
     __ j(not_equal, &miss);
     __ JumpIfSmi(edx, &unordered);
     __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ecx);
     __ j(not_equal, &maybe_undefined2, Label::kNear);
     __ jmp(&unordered);
   }
 
   __ bind(&maybe_undefined2);
   if (Token::IsOrderedRelationalCompareOp(op())) {
     __ cmp(edx, Immediate(isolate()->factory()->undefined_value()));
     __ j(equal, &unordered);
   }
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateInternalizedStrings(MacroAssembler* masm) {
+void CompareICStub::GenerateInternalizedStrings(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::INTERNALIZED_STRING);
   DCHECK(GetCondition() == equal);
 
   // Registers containing left and right operands respectively.
   Register left = edx;
   Register right = eax;
   Register tmp1 = ecx;
   Register tmp2 = ebx;
 
   // Check that both operands are heap objects.
@@ skipping 24 matching lines @@
   STATIC_ASSERT(kSmiTag == 0);
   __ Move(eax, Immediate(Smi::FromInt(EQUAL)));
   __ bind(&done);
   __ ret(0);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateUniqueNames(MacroAssembler* masm) {
+void CompareICStub::GenerateUniqueNames(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::UNIQUE_NAME);
   DCHECK(GetCondition() == equal);
 
   // Registers containing left and right operands respectively.
   Register left = edx;
   Register right = eax;
   Register tmp1 = ecx;
   Register tmp2 = ebx;
 
   // Check that both operands are heap objects.
@@ skipping 24 matching lines @@
   STATIC_ASSERT(kSmiTag == 0);
   __ Move(eax, Immediate(Smi::FromInt(EQUAL)));
   __ bind(&done);
   __ ret(0);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateStrings(MacroAssembler* masm) {
+void CompareICStub::GenerateStrings(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::STRING);
   Label miss;
 
   bool equality = Token::IsEqualityOp(op());
 
   // Registers containing left and right operands respectively.
   Register left = edx;
   Register right = eax;
   Register tmp1 = ecx;
   Register tmp2 = ebx;
@@ skipping 68 matching lines @@
     __ TailCallRuntime(Runtime::kStringEquals, 2, 1);
   } else {
     __ TailCallRuntime(Runtime::kStringCompare, 2, 1);
   }
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateObjects(MacroAssembler* masm) {
+void CompareICStub::GenerateObjects(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::OBJECT);
   Label miss;
   __ mov(ecx, edx);
   __ and_(ecx, eax);
   __ JumpIfSmi(ecx, &miss, Label::kNear);
 
   __ CmpObjectType(eax, JS_OBJECT_TYPE, ecx);
   __ j(not_equal, &miss, Label::kNear);
   __ CmpObjectType(edx, JS_OBJECT_TYPE, ecx);
   __ j(not_equal, &miss, Label::kNear);
 
   DCHECK(GetCondition() == equal);
   __ sub(eax, edx);
   __ ret(0);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateKnownObjects(MacroAssembler* masm) {
+void CompareICStub::GenerateKnownObjects(MacroAssembler* masm) {
   Label miss;
   __ mov(ecx, edx);
   __ and_(ecx, eax);
   __ JumpIfSmi(ecx, &miss, Label::kNear);
 
   __ mov(ecx, FieldOperand(eax, HeapObject::kMapOffset));
   __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset));
   __ cmp(ecx, known_map_);
   __ j(not_equal, &miss, Label::kNear);
   __ cmp(ebx, known_map_);
   __ j(not_equal, &miss, Label::kNear);
 
   __ sub(eax, edx);
   __ ret(0);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateMiss(MacroAssembler* masm) {
+void CompareICStub::GenerateMiss(MacroAssembler* masm) {
   {
     // Call the runtime system in a fresh internal frame.
     ExternalReference miss = ExternalReference(IC_Utility(IC::kCompareIC_Miss),
                                                isolate());
     FrameScope scope(masm, StackFrame::INTERNAL);
     __ push(edx);  // Preserve edx and eax.
     __ push(eax);
     __ push(edx);  // And also use them as the arguments.
     __ push(eax);
     __ push(Immediate(Smi::FromInt(op())));
@@ skipping 1026 matching lines @@
                               Operand(ebp, 7 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87