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diff src/share/vm/utilities/macros.hpp @ 453:c96030fff130

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6684579: SoftReference processing can be made more efficient Summary: For current soft-ref clearing policies, we can decide at marking time if a soft-reference will definitely not be cleared, postponing the decision of whether it will definitely be cleared to the final reference processing phase. This can be especially beneficial in the case of concurrent collectors where the marking is usually concurrent but reference processing is usually not. Reviewed-by: jmasa
author ysr
date Thu, 20 Nov 2008 16:56:09 -0800
parents 9ee9cf798b59
children 6e2afda171db
line wrap: on
line diff
--- a/src/share/vm/utilities/macros.hpp	Thu Nov 20 12:27:41 2008 -0800
+++ b/src/share/vm/utilities/macros.hpp	Thu Nov 20 16:56:09 2008 -0800
@@ -65,8 +65,10 @@
 // COMPILER2 variant
 #ifdef COMPILER2
 #define COMPILER2_PRESENT(code) code
+#define NOT_COMPILER2(code)
 #else // COMPILER2
 #define COMPILER2_PRESENT(code)
+#define NOT_COMPILER2(code) code
 #endif // COMPILER2