PPC: [runtime] Replace COMPARE/COMPARE_STRONG with proper Object::Compare.

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 693 matching lines @@
   // Never falls through to here.
 
   __ bind(&slow);
 
   __ Push(lhs, rhs);
   // Figure out which native to call and setup the arguments.
   if (cc == eq) {
     __ TailCallRuntime(strict() ? Runtime::kStrictEquals : Runtime::kEquals, 2,
                        1);
   } else {
-    int context_index = is_strong(strength())
-                            ? Context::COMPARE_STRONG_BUILTIN_INDEX
-                            : Context::COMPARE_BUILTIN_INDEX;
     int ncr;  // NaN compare result
     if (cc == lt || cc == le) {
       ncr = GREATER;
     } else {
       DCHECK(cc == gt || cc == ge);  // remaining cases
       ncr = LESS;
     }
     __ LoadSmiLiteral(r3, Smi::FromInt(ncr));
     __ push(r3);
 
     // Call the native; it returns -1 (less), 0 (equal), or 1 (greater)
     // tagged as a small integer.
-    __ InvokeBuiltin(context_index, JUMP_FUNCTION);
+    __ TailCallRuntime(
+        is_strong(strength()) ? Runtime::kCompare_Strong : Runtime::kCompare, 3,
+        1);
   }
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
 void StoreBufferOverflowStub::Generate(MacroAssembler* masm) {
   // We don't allow a GC during a store buffer overflow so there is no need to
   // store the registers in any particular way, but we do have to store and
@@ skipping 5101 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC