Cross Reference: /openjdk7/hotspot/src/share/vm/c1/c1

Lines Matching refs:register_hint
4134 Interval* Interval::register_hint(bool search_split_child) const {
4559   out->print("%d %d ", split_parent()->reg_num(), (register_hint(false) != NULL ? register_hint(false)->reg_num() : -1));
5372   Interval* register_hint = cur->register_hint();
5373   if (register_hint != NULL) {
5374     hint_reg = register_hint->assigned_reg();
5375     hint_regHi = register_hint->assigned_regHi();
5377     if (allocator()->is_precolored_cpu_interval(register_hint)) {
5381     TRACE_LINEAR_SCAN(4, tty->print("      hint registers %d, %d from interval ", hint_reg, hint_regHi); register_hint->print());
5679   Interval* register_hint = cur->register_hint(false);
5680   if (register_hint == NULL) {
5681     // cur is not the target of a move, otherwise register_hint would be set
5684   assert(register_hint->is_split_parent(), "register hint must be split parent");
5686   if (cur->spill_state() != noOptimization || register_hint->spill_state() != noOptimization) {
5699   if (!is_move(allocator()->lir_op_with_id(begin_pos), register_hint, cur) || !is_move(allocator()->lir_op_with_id(end_pos), cur, register_hint)) {
5700     // cur and register_hint are not connected with two moves
5704   Interval* begin_hint = register_hint->split_child_at_op_id(begin_pos, LIR_OpVisitState::inputMode);
5705   Interval* end_hint = register_hint->split_child_at_op_id(end_pos, LIR_OpVisitState::outputMode);
5707     // register_hint must be split, otherwise the re-writing of use positions does not work
5717     // register_hint is not spilled at begin_pos, so it would not be benefitial to immediately spill cur
5720   assert(register_hint->canonical_spill_slot() != -1, "must be set when part of interval was spilled");
5722   // modify intervals such that cur gets the same stack slot as register_hint
5724   cur->set_canonical_spill_slot(register_hint->canonical_spill_slot());