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diff src/share/vm/runtime/globals.hpp @ 643:c771b7f43bbf

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6378821: bitCount() should use POPC on SPARC processors and AMD+10h Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware. Reviewed-by: kvn, never
author twisti
date Fri, 13 Mar 2009 11:35:17 -0700
parents 660978a2a31a
children bd441136a5ce
line wrap: on
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--- a/src/share/vm/runtime/globals.hpp	Thu Mar 12 10:37:46 2009 -0700
+++ b/src/share/vm/runtime/globals.hpp	Fri Mar 13 11:35:17 2009 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2172,6 +2172,9 @@
   diagnostic(bool, PrintIntrinsics, false,                                  \
           "prints attempted and successful inlining of intrinsics")         \
                                                                             \
+  product(bool, UsePopCountInstruction, false,                              \
+          "Use population count instruction")                               \
+                                                                            \
   diagnostic(ccstrlist, DisableIntrinsic, "",                               \
           "do not expand intrinsics whose (internal) names appear here")    \
                                                                             \