PPC: [builtins] Make Math.max and Math.min fast by default.

src/ppc/macro-assembler-ppc.h

Index: src/ppc/macro-assembler-ppc.h
diff --git a/src/ppc/macro-assembler-ppc.h b/src/ppc/macro-assembler-ppc.h
index db3ad84ffccec5ea1f02148772bd590cf0592d39..171fa6b5295d0743a50a427d82490b7cf17fcef0 100644
--- a/src/ppc/macro-assembler-ppc.h
+++ b/src/ppc/macro-assembler-ppc.h
@@ -147,6 +147,7 @@ class MacroAssembler : public Assembler {
   // Emit code to discard a non-negative number of pointer-sized elements
   // from the stack, clobbering only the sp register.
   void Drop(int count);
+  void Drop(Register count, Register scratch = r0);
 
   void Ret(int drop) {
     Drop(drop);