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diff src/cpu/x86/vm/macroAssembler_x86.hpp @ 17714:4d4ea046d32a

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8033805: Move Fast_Lock/Fast_Unlock code from .ad files to macroassembler Summary: Consolidated C2 x86 locking code in one place in macroAssembler_x86.cpp. Reviewed-by: roland
author kvn
date Mon, 24 Feb 2014 15:12:26 -0800
parents d13d7aba8c12
children 4ca6dc0799b6 606acabe7b5c
line wrap: on
line diff
--- a/src/cpu/x86/vm/macroAssembler_x86.hpp	Thu Mar 06 12:45:59 2014 +0400
+++ b/src/cpu/x86/vm/macroAssembler_x86.hpp	Mon Feb 24 15:12:26 2014 -0800
@@ -651,7 +651,12 @@
                            Label& done, Label* slow_case = NULL,
                            BiasedLockingCounters* counters = NULL);
   void biased_locking_exit (Register obj_reg, Register temp_reg, Label& done);
-
+#ifdef COMPILER2
+  // Code used by cmpFastLock and cmpFastUnlock mach instructions in .ad file.
+  // See full desription in macroAssembler_x86.cpp.
+  void fast_lock(Register obj, Register box, Register tmp, Register scr, BiasedLockingCounters* counters);
+  void fast_unlock(Register obj, Register box, Register tmp);
+#endif
 
   Condition negate_condition(Condition cond);