Enable core callee-save on x64.

Will work on other architectures and FP support in other CLs.

Change-Id: I8cef0343eedc7202d206f5217fdf0349035f0e4d
diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index c6a6974..bc8858b 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -390,7 +390,7 @@
                                    const ArmInstructionSetFeatures& isa_features,
                                    const CompilerOptions& compiler_options)
     : CodeGenerator(graph, kNumberOfCoreRegisters, kNumberOfSRegisters,
-                    kNumberOfRegisterPairs, compiler_options),
+                    kNumberOfRegisterPairs, 0, 0, compiler_options),
       block_labels_(graph->GetArena(), 0),
       location_builder_(graph, this),
       instruction_visitor_(graph, this),
@@ -453,7 +453,7 @@
   return Location();
 }
 
-void CodeGeneratorARM::SetupBlockedRegisters() const {
+void CodeGeneratorARM::SetupBlockedRegisters(bool is_baseline ATTRIBUTE_UNUSED) const {
   // Don't allocate the dalvik style register pair passing.
   blocked_register_pairs_[R1_R2] = true;