Use register arguments for RestParamAccessStub

src/full-codegen/mips64/full-codegen-mips64.cc

Index: src/full-codegen/mips64/full-codegen-mips64.cc
diff --git a/src/full-codegen/mips64/full-codegen-mips64.cc b/src/full-codegen/mips64/full-codegen-mips64.cc
index a0a2f693047cdc7ba44c78481ba8eac1c5263b82..9b1350872f4e2d0119f9b8286b86b8db3fc8ea26 100644
--- a/src/full-codegen/mips64/full-codegen-mips64.cc
+++ b/src/full-codegen/mips64/full-codegen-mips64.cc
@@ -276,11 +276,15 @@ void FullCodeGenerator::Generate() {
     int num_parameters = info->scope()->num_parameters();
     int offset = num_parameters * kPointerSize;
 
-    __ Daddu(a3, fp, Operand(StandardFrameConstants::kCallerSPOffset + offset));
-    __ li(a2, Operand(Smi::FromInt(num_parameters)));
-    __ li(a1, Operand(Smi::FromInt(rest_index)));
-    __ li(a0, Operand(Smi::FromInt(language_mode())));
-    __ Push(a3, a2, a1, a0);
+    __ li(RestParamAccessDescriptor::parameter_count(),
+          Operand(Smi::FromInt(num_parameters)));
+    __ Daddu(RestParamAccessDescriptor::parameter_pointer(), fp,
+             Operand(StandardFrameConstants::kCallerSPOffset + offset));
+    __ li(RestParamAccessDescriptor::rest_parameter_index(),
+          Operand(Smi::FromInt(rest_index)));
+    __ li(RestParamAccessDescriptor::language_mode(),
+          Operand(Smi::FromInt(language_mode())));
+    DCHECK(a1.is(RestParamAccessDescriptor::language_mode()));
     function_in_register_a1 = false;
 
     RestParamAccessStub stub(isolate());