X87: [ic] Also collect known map for relational comparison.

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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3408 matching lines @@
 
 
 void CompareICStub::GenerateKnownObjects(MacroAssembler* masm) {
   Label miss;
   Handle<WeakCell> cell = Map::WeakCellForMap(known_map_);
   __ mov(ecx, edx);
   __ and_(ecx, eax);
   __ JumpIfSmi(ecx, &miss, Label::kNear);
 
   __ GetWeakValue(edi, cell);
-  __ mov(ecx, FieldOperand(eax, HeapObject::kMapOffset));
-  __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset));
-  __ cmp(ecx, edi);
+  __ cmp(edi, FieldOperand(eax, HeapObject::kMapOffset));
   __ j(not_equal, &miss, Label::kNear);
-  __ cmp(ebx, edi);
+  __ cmp(edi, FieldOperand(edx, HeapObject::kMapOffset));
   __ j(not_equal, &miss, Label::kNear);
 
-  __ sub(eax, edx);
-  __ ret(0);
+  if (Token::IsEqualityOp(op())) {
+    __ sub(eax, edx);
+    __ ret(0);
+  } else if (is_strong(strength())) {
+    __ TailCallRuntime(Runtime::kThrowStrongModeImplicitConversion, 0, 1);
+  } else {
+    __ PopReturnAddressTo(ecx);
+    __ Push(edx);
+    __ Push(eax);
+    __ Push(Immediate(Smi::FromInt(NegativeComparisonResult(GetCondition()))));
+    __ PushReturnAddressFrom(ecx);
+    __ TailCallRuntime(Runtime::kCompare, 3, 1);
+  }
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
 void CompareICStub::GenerateMiss(MacroAssembler* masm) {
   {
     // Call the runtime system in a fresh internal frame.
     FrameScope scope(masm, StackFrame::INTERNAL);
@@ skipping 2028 matching lines @@
                            Operand(ebp, 7 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87