Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/coalesce.cpp
src/share/vm/opto/coalesce.cpp
- changeset 9513
- e044997c2eda
- parent 7295
- b8e2e616c1e9
- child 9514
- d853bac073f8
equal
deleted
inserted
replaced
| 9512:992120803410 | 9513:e044997c2eda |
|---|---|
| 290 // Insert the copy in the predecessor basic block | 290 // Insert the copy in the predecessor basic block |
| 291 pred->add_inst(copy); | 291 pred->add_inst(copy); |
| 292 // Copy any flags as well | 292 // Copy any flags as well |
| 293 _phc.clone_projs(pred, pred->end_idx(), m, copy, _phc._lrg_map); | 293 _phc.clone_projs(pred, pred->end_idx(), m, copy, _phc._lrg_map); |
| 294 } else { | 294 } else { |
| 295 const RegMask *rm = C->matcher()->idealreg2spillmask[m->ideal_reg()]; | 295 int ireg = m->ideal_reg(); |
| 296 if (ireg == 0 || ireg == Op_RegFlags) { | |
| 297 assert(false, err_msg("attempted to spill a non-spillable item: %d: %s, ireg = %d", | |
| 298 m->_idx, m->Name(), ireg)); | |
| 299 C->record_method_not_compilable("attempted to spill a non-spillable item"); | |
| 300 return; | |
| 301 } | |
| 302 const RegMask *rm = C->matcher()->idealreg2spillmask[ireg]; | |
| 296 copy = new (C) MachSpillCopyNode(m, *rm, *rm); | 303 copy = new (C) MachSpillCopyNode(m, *rm, *rm); |
| 297 // Find a good place to insert. Kinda tricky, use a subroutine | 304 // Find a good place to insert. Kinda tricky, use a subroutine |
| 298 insert_copy_with_overlap(pred,copy,phi_name,src_name); | 305 insert_copy_with_overlap(pred,copy,phi_name,src_name); |
| 299 } | 306 } |
| 300 // Insert the copy in the use-def chain | 307 // Insert the copy in the use-def chain |
| 324 copy = m->clone(); | 331 copy = m->clone(); |
| 325 // Insert the copy in the basic block, just before us | 332 // Insert the copy in the basic block, just before us |
| 326 b->insert_node(copy, l++); | 333 b->insert_node(copy, l++); |
| 327 l += _phc.clone_projs(b, l, m, copy, _phc._lrg_map); | 334 l += _phc.clone_projs(b, l, m, copy, _phc._lrg_map); |
| 328 } else { | 335 } else { |
| 329 const RegMask *rm = C->matcher()->idealreg2spillmask[m->ideal_reg()]; | 336 int ireg = m->ideal_reg(); |
| 337 if (ireg == 0 || ireg == Op_RegFlags) { | |
| 338 assert(false, err_msg("attempted to spill a non-spillable item: %d: %s, ireg = %d", | |
| 339 m->_idx, m->Name(), ireg)); | |
| 340 C->record_method_not_compilable("attempted to spill a non-spillable item"); | |
| 341 return; | |
| 342 } | |
| 343 const RegMask *rm = C->matcher()->idealreg2spillmask[ireg]; | |
| 330 copy = new (C) MachSpillCopyNode(m, *rm, *rm); | 344 copy = new (C) MachSpillCopyNode(m, *rm, *rm); |
| 331 // Insert the copy in the basic block, just before us | 345 // Insert the copy in the basic block, just before us |
| 332 b->insert_node(copy, l++); | 346 b->insert_node(copy, l++); |
| 333 } | 347 } |
| 334 // Insert the copy in the use-def chain | 348 // Insert the copy in the use-def chain |
| 371 if( _phc._live->live(b->_succs[k])->member( nidx ) ) | 385 if( _phc._live->live(b->_succs[k])->member( nidx ) ) |
| 372 break; // Live in to some successor block? | 386 break; // Live in to some successor block? |
| 373 if( k < b->_num_succs ) | 387 if( k < b->_num_succs ) |
| 374 continue; // Live out; do not pre-split | 388 continue; // Live out; do not pre-split |
| 375 // Split the lrg at this use | 389 // Split the lrg at this use |
| 376 const RegMask *rm = C->matcher()->idealreg2spillmask[inp->ideal_reg()]; | 390 int ireg = inp->ideal_reg(); |
| 391 if (ireg == 0 || ireg == Op_RegFlags) { | |
| 392 assert(false, err_msg("attempted to spill a non-spillable item: %d: %s, ireg = %d", | |
| 393 inp->_idx, inp->Name(), ireg)); | |
| 394 C->record_method_not_compilable("attempted to spill a non-spillable item"); | |
| 395 return; | |
| 396 } | |
| 397 const RegMask *rm = C->matcher()->idealreg2spillmask[ireg]; | |
| 377 Node *copy = new (C) MachSpillCopyNode( inp, *rm, *rm ); | 398 Node *copy = new (C) MachSpillCopyNode( inp, *rm, *rm ); |
| 378 // Insert the copy in the use-def chain | 399 // Insert the copy in the use-def chain |
| 379 n->set_req(inpidx, copy ); | 400 n->set_req(inpidx, copy ); |
| 380 // Insert the copy in the basic block, just before us | 401 // Insert the copy in the basic block, just before us |
| 381 b->insert_node(copy, l++); | 402 b->insert_node(copy, l++); |
