1.1 --- a/src/cpu/sparc/vm/copy_sparc.hpp Fri Apr 11 09:56:35 2008 -0400
1.2 +++ b/src/cpu/sparc/vm/copy_sparc.hpp Sun Apr 13 17:43:42 2008 -0400
1.3 @@ -137,24 +137,20 @@
1.4 }
1.5
1.6 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
1.7 -#if 0
1.8 - if (HeapWordsPerLong == 1 ||
1.9 - (HeapWordsPerLong == 2 &&
1.10 - mask_bits((uintptr_t)tohw, right_n_bits(LogBytesPerLong)) == 0 &&
1.11 - ((count & 1) ? false : count >>= 1))) {
1.12 - julong* to = (julong*)tohw;
1.13 - julong v = ((julong)value << 32) | value;
1.14 - while (count-- > 0) {
1.15 - *to++ = v;
1.16 - }
1.17 - } else {
1.18 -#endif
1.19 - juint* to = (juint*)tohw;
1.20 - count *= HeapWordSize / BytesPerInt;
1.21 - while (count-- > 0) {
1.22 - *to++ = value;
1.23 - }
1.24 - // }
1.25 +#ifdef _LP64
1.26 + guarantee(mask_bits((uintptr_t)tohw, right_n_bits(LogBytesPerLong)) == 0,
1.27 + "unaligned fill words");
1.28 + julong* to = (julong*)tohw;
1.29 + julong v = ((julong)value << 32) | value;
1.30 + while (count-- > 0) {
1.31 + *to++ = v;
1.32 + }
1.33 +#else // _LP64
1.34 + juint* to = (juint*)tohw;
1.35 + while (count-- > 0) {
1.36 + *to++ = value;
1.37 + }
1.38 +#endif // _LP64
1.39 }
1.40
1.41 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
