vm/utilities/copy.cpp

66    * @param byte_count number of bytes to copy
70   static void conjoint_swap_if_needed(const void* src, void* dst, size_t byte_count, size_t elem_size) {
75     assert(is_aligned(byte_count, elem_size),
76            "byte_count " SIZE_FORMAT " must be multiple of element size " SIZE_FORMAT, byte_count, elem_size);
78     address src_end = (address)src + byte_count;
81       do_conjoint_swap<RIGHT,swap>(src, dst, byte_count, elem_size);
83       do_conjoint_swap<LEFT,swap>(src, dst, byte_count, elem_size);
130    * @param byte_count number of bytes to copy
133   static void do_conjoint_swap(const void* src, void* dst, size_t byte_count) {
143       cur_src = (const char*)src + byte_count - sizeof(T);
144       cur_dst = (char*)dst + byte_count - sizeof(T);
148     for (size_t i = 0; i < byte_count / sizeof(T); i++) {
189    * @param byte_count number of bytes to copy
192   static void do_conjoint_swap(const void* src, void* dst, size_t byte_count) {
195         do_conjoint_swap<T,direction,swap,true,true>(src, dst, byte_count);
197         do_conjoint_swap<T,direction,swap,true,false>(src, dst, byte_count);
201         do_conjoint_swap<T,direction,swap,false,true>(src, dst, byte_count);
203         do_conjoint_swap<T,direction,swap,false,false>(src, dst, byte_count);
217    * @param byte_count number of bytes to copy
221   static void do_conjoint_swap(const void* src, void* dst, size_t byte_count, size_t elem_size) {
223     case 2: do_conjoint_swap<uint16_t,D,swap>(src, dst, byte_count); break;
224     case 4: do_conjoint_swap<uint32_t,D,swap>(src, dst, byte_count); break;
225     case 8: do_conjoint_swap<uint64_t,D,swap>(src, dst, byte_count); break;
231 void Copy::conjoint_copy(const void* src, void* dst, size_t byte_count, size_t elem_size) {
232   CopySwap::conjoint_swap_if_needed<false>(src, dst, byte_count, elem_size);
235 void Copy::conjoint_swap(const void* src, void* dst, size_t byte_count, size_t elem_size) {
236   CopySwap::conjoint_swap_if_needed<true>(src, dst, byte_count, elem_size);