1.1 --- a/src/cpu/sparc/vm/copy_sparc.hpp Thu Aug 25 20:29:30 2011 -0700
1.2 +++ b/src/cpu/sparc/vm/copy_sparc.hpp Fri Aug 26 08:52:22 2011 -0700
1.3 @@ -156,9 +156,16 @@
1.4 #endif // _LP64
1.5 }
1.6
1.7 +typedef void (*_zero_Fn)(HeapWord* to, size_t count);
1.8 +
1.9 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
1.10 assert(MinObjAlignmentInBytes >= BytesPerLong, "need alternate implementation");
1.11
1.12 + if (value == 0 && UseBlockZeroing &&
1.13 + (count > (BlockZeroingLowLimit >> LogHeapWordSize))) {
1.14 + // Call it only when block zeroing is used
1.15 + ((_zero_Fn)StubRoutines::zero_aligned_words())(tohw, count);
1.16 + } else {
1.17 julong* to = (julong*)tohw;
1.18 julong v = ((julong)value << 32) | value;
1.19 // If count is odd, odd will be equal to 1 on 32-bit platform
1.20 @@ -176,6 +183,7 @@
1.21 *((juint*)to) = value;
1.22
1.23 }
1.24 + }
1.25 }
1.26
1.27 static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
