diff -r 0e4c848d5c06 -r 201c5cde25bb hotspot/src/cpu/sparc/vm/copy_sparc.hpp
--- a/hotspot/src/cpu/sparc/vm/copy_sparc.hpp	Tue Jun 01 11:48:33 2010 -0700
+++ b/hotspot/src/cpu/sparc/vm/copy_sparc.hpp	Wed Jun 02 22:45:42 2010 -0700
@@ -154,7 +154,7 @@
 }
 
 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
-  assert(MinObjAlignmentInBytes == BytesPerLong, "need alternate implementation");
+  assert(MinObjAlignmentInBytes >= BytesPerLong, "need alternate implementation");
 
    julong* to = (julong*)tohw;
    julong  v  = ((julong)value << 32) | value;
@@ -162,7 +162,7 @@
    // and be equal to 0 on 64-bit platform.
    size_t odd = count % (BytesPerLong / HeapWordSize) ;
 
-   size_t aligned_count = align_object_size(count - odd) / HeapWordsPerLong;
+   size_t aligned_count = align_object_offset(count - odd) / HeapWordsPerLong;
    julong* end = ((julong*)tohw) + aligned_count - 1;
    while (to <= end) {
      DEBUG_ONLY(count -= BytesPerLong / HeapWordSize ;)