static void pd_disjoint_words_atomic(HeapWord* from, HeapWord* to, size_t count) {
#ifdef AMD64
switch (count) {
case 8: to[7] = from[7];
case 7: to[6] = from[6];
case 6: to[5] = from[5];
case 5: to[4] = from[4];
case 4: to[3] = from[3];
case 3: to[2] = from[2];
case 2: to[1] = from[1];
case 1: to[0] = from[0];
case 0: break;
default:
while (count-- > 0) {
*to++ = *from++;
}
break;
}
#else
// pd_disjoint_words is word-atomic in this implementation.
pd_disjoint_words(from, to, count);
#endif // AMD64
}
static void pd_aligned_disjoint_words(HeapWord* from, HeapWord* to, size_t count) {
pd_disjoint_words(from, to, count);
}
// Word-aligned words, disjoint, not atomic on each word
static inline void disjoint_words(HeapWord*from,HeapWord*to,size_t count){
assert_params_ok(from, to, LogHeapWordSize);
assert_disjoint(from, to, count);
pd_disjoint_words(from, to, count);
}
