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diff src/share/vm/oops/typeArrayKlass.hpp @ 3961:a92cdbac8b9e

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7081933: Use zeroing elimination optimization for large array Summary: Don't zero new typeArray during runtime call if the allocation is followed by arraycopy into it. Reviewed-by: twisti
author kvn
date Mon, 26 Sep 2011 10:24:05 -0700
parents f95d63e2154a
children da91efe96a93
line wrap: on
line diff
--- a/src/share/vm/oops/typeArrayKlass.hpp	Sun Sep 25 16:03:29 2011 -0700
+++ b/src/share/vm/oops/typeArrayKlass.hpp	Mon Sep 26 10:24:05 2011 -0700
@@ -56,7 +56,8 @@
   bool compute_is_subtype_of(klassOop k);
 
   // Allocation
-  typeArrayOop allocate(int length, TRAPS);
+  typeArrayOop allocate_common(int length, bool do_zero, TRAPS);
+  typeArrayOop allocate(int length, TRAPS) { return allocate_common(length, true, THREAD); }
   typeArrayOop allocate_permanent(int length, TRAPS);  // used for class file structures
   oop multi_allocate(int rank, jint* sizes, TRAPS);