MIPS64: Add turbofan support for mips64.

src/compiler/mips64/linkage-mips64.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.
 
 #include "src/v8.h"
 
 #include "src/assembler.h"
 #include "src/code-stubs.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/linkage-impl.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 struct MipsLinkageHelperTraits {
   static Register ReturnValueReg() { return v0; }
   static Register ReturnValue2Reg() { return v1; }
   static Register JSCallFunctionReg() { return a1; }
   static Register ContextReg() { return cp; }
   static Register RuntimeCallFunctionReg() { return a1; }
   static Register RuntimeCallArgCountReg() { return a0; }
   static RegList CCalleeSaveRegisters() {
     return s0.bit() | s1.bit() | s2.bit() | s3.bit() | s4.bit() | s5.bit() |
            s6.bit() | s7.bit();
   }
   static Register CRegisterParameter(int i) {
-    static Register register_parameters[] = {a0, a1, a2, a3};
+    static Register register_parameters[] = {a0, a1, a2, a3, a4, a5, a6, a7};
     return register_parameters[i];
   }
-  static int CRegisterParametersLength() { return 4; }
+  static int CRegisterParametersLength() { return 8; }
 };
 
 
 typedef LinkageHelper<MipsLinkageHelperTraits> LH;
 
 CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone,
                                              CallDescriptor::Flags flags) {
   return LH::GetJSCallDescriptor(zone, parameter_count, flags);
 }
 
@@ skipping 15 matching lines @@
 
 
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
                                                   MachineSignature* sig) {
   return LH::GetSimplifiedCDescriptor(zone, sig);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8