src/cpu/x86/vm/macroAssembler_x86.hpp

@@ -1282,12 +1282,13 @@
   void movl2ptr(Register dst, Register src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(if (dst != src) movl(dst, src)); }
 
   // C2 compiled method's prolog code.
   void verified_entry(int framesize, int stack_bang_size, bool fp_mode_24b);
 
-  // clear memory of size 'cnt' qwords, starting at 'base'.
-  void clear_mem(Register base, Register cnt, Register rtmp);
+  // clear memory of size 'cnt' qwords, starting at 'base';
+  // if 'is_large' is set, do not try to produce short loop
+  void clear_mem(Register base, Register cnt, Register rtmp, bool is_large);
 
 #ifdef COMPILER2
   void string_indexof_char(Register str1, Register cnt1, Register ch, Register result,
                            XMMRegister vec1, XMMRegister vec2, XMMRegister vec3, Register tmp);