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

src/mips/code-stubs-mips.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_MIPS
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 591 matching lines @@
   __ lw(a3, FieldMemOperand(lhs, HeapObject::kMapOffset));
   __ lbu(a2, FieldMemOperand(a2, Map::kBitFieldOffset));
   __ lbu(a3, FieldMemOperand(a3, Map::kBitFieldOffset));
   __ and_(a0, a2, a3);
   __ And(a0, a0, Operand(1 << Map::kIsUndetectable));
   __ Ret(USE_DELAY_SLOT);
   __ xori(v0, a0, 1 << Map::kIsUndetectable);
 }
 
 
-static void ICCompareStub_CheckInputType(MacroAssembler* masm,
-                                         Register input,
+static void CompareICStub_CheckInputType(MacroAssembler* masm, Register input,
                                          Register scratch,
                                          CompareIC::State expected,
                                          Label* fail) {
   Label ok;
   if (expected == CompareIC::SMI) {
     __ JumpIfNotSmi(input, fail);
   } else if (expected == CompareIC::NUMBER) {
     __ JumpIfSmi(input, &ok);
     __ CheckMap(input, scratch, Heap::kHeapNumberMapRootIndex, fail,
                 DONT_DO_SMI_CHECK);
   }
   // We could be strict about internalized/string here, but as long as
   // hydrogen doesn't care, the stub doesn't have to care either.
   __ bind(&ok);
 }
 
 
 // On entry a1 and a2 are the values to be compared.
 // On exit a0 is 0, positive or negative to indicate the result of
 // the comparison.
-void ICCompareStub::GenerateGeneric(MacroAssembler* masm) {
+void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
   Register lhs = a1;
   Register rhs = a0;
   Condition cc = GetCondition();
 
   Label miss;
-  ICCompareStub_CheckInputType(masm, lhs, a2, left(), &miss);
-  ICCompareStub_CheckInputType(masm, rhs, a3, right(), &miss);
+  CompareICStub_CheckInputType(masm, lhs, a2, left(), &miss);
+  CompareICStub_CheckInputType(masm, rhs, a3, right(), &miss);
 
   Label slow;  // Call builtin.
   Label not_smis, both_loaded_as_doubles;
 
   Label not_two_smis, smi_done;
   __ Or(a2, a1, a0);
   __ JumpIfNotSmi(a2, &not_two_smis);
   __ sra(a1, a1, 1);
   __ sra(a0, a0, 1);
   __ Ret(USE_DELAY_SLOT);
@@ skipping 2863 matching lines @@
     __ Assert(eq, kExpectedAllocationSite, t0, Operand(at));
   }
 
   // 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;
   __ Or(a2, a1, a0);
   __ JumpIfNotSmi(a2, &miss);
 
   if (GetCondition() == eq) {
     // For equality we do not care about the sign of the result.
     __ Ret(USE_DELAY_SLOT);
     __ Subu(v0, a0, a1);
   } else {
     // Untag before subtracting to avoid handling overflow.
     __ SmiUntag(a1);
     __ SmiUntag(a0);
     __ Ret(USE_DELAY_SLOT);
     __ Subu(v0, a1, a0);
   }
 
   __ 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(a1, &miss);
   }
   if (right() == CompareIC::SMI) {
@@ skipping 47 matching lines @@
   __ bind(&fpu_eq);
   __ Ret(USE_DELAY_SLOT);
   __ li(v0, Operand(EQUAL));
 
   __ bind(&fpu_lt);
   __ Ret(USE_DELAY_SLOT);
   __ li(v0, Operand(LESS));
 
   __ bind(&unordered);
   __ bind(&generic_stub);
-  ICCompareStub stub(isolate(), op(), CompareIC::GENERIC, CompareIC::GENERIC,
+  CompareICStub stub(isolate(), op(), CompareIC::GENERIC, CompareIC::GENERIC,
                      CompareIC::GENERIC);
   __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
 
   __ bind(&maybe_undefined1);
   if (Token::IsOrderedRelationalCompareOp(op())) {
     __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
     __ Branch(&miss, ne, a0, Operand(at));
     __ JumpIfSmi(a1, &unordered);
     __ GetObjectType(a1, a2, a2);
     __ Branch(&maybe_undefined2, ne, a2, Operand(HEAP_NUMBER_TYPE));
     __ jmp(&unordered);
   }
 
   __ bind(&maybe_undefined2);
   if (Token::IsOrderedRelationalCompareOp(op())) {
     __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
     __ Branch(&unordered, eq, a1, Operand(at));
   }
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateInternalizedStrings(MacroAssembler* masm) {
+void CompareICStub::GenerateInternalizedStrings(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::INTERNALIZED_STRING);
   Label miss;
 
   // Registers containing left and right operands respectively.
   Register left = a1;
   Register right = a0;
   Register tmp1 = a2;
   Register tmp2 = a3;
 
   // Check that both operands are heap objects.
@@ skipping 19 matching lines @@
   __ Ret(ne, left, Operand(right));
   DCHECK(is_int16(EQUAL));
   __ Ret(USE_DELAY_SLOT);
   __ li(v0, Operand(Smi::FromInt(EQUAL)));
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateUniqueNames(MacroAssembler* masm) {
+void CompareICStub::GenerateUniqueNames(MacroAssembler* masm) {
   DCHECK(state() == CompareIC::UNIQUE_NAME);
   DCHECK(GetCondition() == eq);
   Label miss;
 
   // Registers containing left and right operands respectively.
   Register left = a1;
   Register right = a0;
   Register tmp1 = a2;
   Register tmp2 = a3;
 
@@ skipping 23 matching lines @@
   STATIC_ASSERT(kSmiTag == 0);
   __ li(v0, Operand(Smi::FromInt(EQUAL)));
   __ bind(&done);
   __ Ret();
 
   __ 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 = a1;
   Register right = a0;
   Register tmp1 = a2;
   Register tmp2 = a3;
@@ skipping 65 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;
   __ And(a2, a1, Operand(a0));
   __ JumpIfSmi(a2, &miss);
 
   __ GetObjectType(a0, a2, a2);
   __ Branch(&miss, ne, a2, Operand(JS_OBJECT_TYPE));
   __ GetObjectType(a1, a2, a2);
   __ Branch(&miss, ne, a2, Operand(JS_OBJECT_TYPE));
 
   DCHECK(GetCondition() == eq);
   __ Ret(USE_DELAY_SLOT);
   __ subu(v0, a0, a1);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
-void ICCompareStub::GenerateKnownObjects(MacroAssembler* masm) {
+void CompareICStub::GenerateKnownObjects(MacroAssembler* masm) {
   Label miss;
   __ And(a2, a1, a0);
   __ JumpIfSmi(a2, &miss);
   __ lw(a2, FieldMemOperand(a0, HeapObject::kMapOffset));
   __ lw(a3, FieldMemOperand(a1, HeapObject::kMapOffset));
   __ Branch(&miss, ne, a2, Operand(known_map_));
   __ Branch(&miss, ne, a3, Operand(known_map_));
 
   __ Ret(USE_DELAY_SLOT);
   __ subu(v0, a0, a1);
 
   __ 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(a1, a0);
     __ Push(ra, a1, a0);
     __ li(t0, Operand(Smi::FromInt(op())));
     __ addiu(sp, sp, -kPointerSize);
     __ CallExternalReference(miss, 3, USE_DELAY_SLOT);
@@ skipping 1080 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS