Added CallInterfaceDescriptors to all code stubs.

src/arm/lithium-codegen-arm.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"
 
 #include "src/arm/lithium-codegen-arm.h"
 #include "src/arm/lithium-gap-resolver-arm.h"
 #include "src/base/bits.h"
 #include "src/code-stubs.h"
@@ skipping 3870 matching lines @@
   __ vadd(result, input, kDoubleRegZero);
   __ vsqrt(result, result);
   __ 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 tagged_exponent = MathPowTaggedDescriptor::exponent();
   DCHECK(!instr->right()->IsDoubleRegister() ||
          ToDoubleRegister(instr->right()).is(d1));
   DCHECK(!instr->right()->IsRegister() ||
-         ToRegister(instr->right()).is(r2));
+         ToRegister(instr->right()).is(tagged_exponent));
   DCHECK(ToDoubleRegister(instr->left()).is(d0));
   DCHECK(ToDoubleRegister(instr->result()).is(d2));
 
   if (exponent_type.IsSmi()) {
     MathPowStub stub(isolate(), MathPowStub::TAGGED);
     __ CallStub(&stub);
   } else if (exponent_type.IsTagged()) {
     Label no_deopt;
-    __ JumpIfSmi(r2, &no_deopt);
-    __ ldr(r6, FieldMemOperand(r2, HeapObject::kMapOffset));
+    __ JumpIfSmi(tagged_exponent, &no_deopt);
+    DCHECK(!r6.is(tagged_exponent));
+    __ ldr(r6, FieldMemOperand(tagged_exponent, HeapObject::kMapOffset));
     __ LoadRoot(ip, Heap::kHeapNumberMapRootIndex);
     __ cmp(r6, Operand(ip));
     DeoptimizeIf(ne, 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 {
@@ skipping 1993 matching lines @@
   __ Push(scope_info);
   __ push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal