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

src/ppc/code-stubs-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3875 matching lines @@
   __ and_(r5, r4, r3);
   __ JumpIfSmi(r5, &miss);
   __ GetWeakValue(r7, cell);
   __ LoadP(r5, FieldMemOperand(r3, HeapObject::kMapOffset));
   __ LoadP(r6, FieldMemOperand(r4, HeapObject::kMapOffset));
   __ cmp(r5, r7);
   __ bne(&miss);
   __ cmp(r6, r7);
   __ bne(&miss);
 
-  __ sub(r3, r3, r4);
-  __ Ret();
+  if (Token::IsEqualityOp(op())) {
+    __ sub(r3, r3, r4);
+    __ Ret();
+  } else if (is_strong(strength())) {
+    __ TailCallRuntime(Runtime::kThrowStrongModeImplicitConversion, 0, 1);
+  } else {
+    if (op() == Token::LT || op() == Token::LTE) {
+      __ LoadSmiLiteral(r5, Smi::FromInt(GREATER));
+    } else {
+      __ LoadSmiLiteral(r5, Smi::FromInt(LESS));
+    }
+    __ Push(r4, r3, r5);
+    __ TailCallRuntime(Runtime::kCompare, 3, 1);
+  }
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
 void CompareICStub::GenerateMiss(MacroAssembler* masm) {
   {
     // Call the runtime system in a fresh internal frame.
     FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
@@ skipping 1930 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC