Added CallInterfaceDescriptors to all code stubs.

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 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_X64
 
 #include "src/base/bits.h"
 #include "src/code-stubs.h"
@@ skipping 3873 matching lines @@
   __ sqrtsd(input_reg, input_reg);
   __ bind(&done);
 }
 
 
 void LCodeGen::DoPower(LPower* instr) {
   Representation exponent_type = instr->hydrogen()->right()->representation();
   // Having marked this as a call, we can use any registers.
   // Just make sure that the input/output registers are the expected ones.
 
-  Register exponent = rdx;
+  Register tagged_exponent = MathPowTaggedDescriptor::exponent();
   DCHECK(!instr->right()->IsRegister() ||
-         ToRegister(instr->right()).is(exponent));
+         ToRegister(instr->right()).is(tagged_exponent));
   DCHECK(!instr->right()->IsDoubleRegister() ||
          ToDoubleRegister(instr->right()).is(xmm1));
   DCHECK(ToDoubleRegister(instr->left()).is(xmm2));
   DCHECK(ToDoubleRegister(instr->result()).is(xmm3));
 
   if (exponent_type.IsSmi()) {
     MathPowStub stub(isolate(), MathPowStub::TAGGED);
     __ CallStub(&stub);
   } else if (exponent_type.IsTagged()) {
     Label no_deopt;
-    __ JumpIfSmi(exponent, &no_deopt, Label::kNear);
-    __ CmpObjectType(exponent, HEAP_NUMBER_TYPE, rcx);
+    __ JumpIfSmi(tagged_exponent, &no_deopt, Label::kNear);
+    __ CmpObjectType(tagged_exponent, HEAP_NUMBER_TYPE, rcx);
     DeoptimizeIf(not_equal, instr->environment());
     __ bind(&no_deopt);
     MathPowStub stub(isolate(), MathPowStub::TAGGED);
     __ CallStub(&stub);
   } else if (exponent_type.IsInteger32()) {
     MathPowStub stub(isolate(), MathPowStub::INTEGER);
     __ CallStub(&stub);
   } else {
     DCHECK(exponent_type.IsDouble());
     MathPowStub stub(isolate(), MathPowStub::DOUBLE);
@@ skipping 1955 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64