ARM: Make use of d16-d31 when available.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 15cef16f057a0a03244503168aa9ceb1002bd49b..1aa831373c42863902f333d3bf6f5c6a759a381a 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -502,6 +502,17 @@ class MacroAssembler: public Assembler {
             const Register scratch = no_reg,
             const Condition cond = al);
 
+  void Vpop(Register base,
+            const DwVfpRegister first,
+            const DwVfpRegister last,
+            Condition cond = al);
+
+  void Vpush(Register base,
+             const DwVfpRegister first,
+             const DwVfpRegister last,
+             Condition cond = al);
+
+
   // Enter exit frame.
   // stack_space - extra stack space, used for alignment before call to C.
   void EnterExitFrame(bool save_doubles, int stack_space = 0);