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diff src/share/vm/utilities/copy.hpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children d1605aabd0a1
line wrap: on
line diff
--- a/src/share/vm/utilities/copy.hpp	Fri Apr 11 09:56:35 2008 -0400
+++ b/src/share/vm/utilities/copy.hpp	Sun Apr 13 17:43:42 2008 -0400
@@ -148,11 +148,19 @@
 
   // oops,                  conjoint, atomic on each oop
   static void conjoint_oops_atomic(oop* from, oop* to, size_t count) {
-    assert_params_ok(from, to, LogBytesPerOop);
+    assert_params_ok(from, to, LogBytesPerHeapOop);
     assert_non_zero(count);
     pd_conjoint_oops_atomic(from, to, count);
   }
 
+  // overloaded for UseCompressedOops
+  static void conjoint_oops_atomic(narrowOop* from, narrowOop* to, size_t count) {
+    assert(sizeof(narrowOop) == sizeof(jint), "this cast is wrong");
+    assert_params_ok(from, to, LogBytesPerInt);
+    assert_non_zero(count);
+    pd_conjoint_jints_atomic((jint*)from, (jint*)to, count);
+  }
+
   // Copy a span of memory.  If the span is an integral number of aligned
   // longs, words, or ints, copy those units atomically.
   // The largest atomic transfer unit is 8 bytes, or the largest power
@@ -188,7 +196,7 @@
 
   // oops,                  conjoint array, atomic on each oop
   static void arrayof_conjoint_oops(HeapWord* from, HeapWord* to, size_t count) {
-    assert_params_ok(from, to, LogBytesPerOop);
+    assert_params_ok(from, to, LogBytesPerHeapOop);
     assert_non_zero(count);
     pd_arrayof_conjoint_oops(from, to, count);
   }