Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/machnode.cpp
src/share/vm/opto/machnode.cpp
- changeset 3310
- 6729bbc1fcd6
- parent 3249
- e3b0dcc327b9
- child 3882
- 8c92982cbbc4
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| 3309:8c57262447d3 | 3310:6729bbc1fcd6 |
|---|---|
| 478 #endif | 478 #endif |
| 479 | 479 |
| 480 | 480 |
| 481 //============================================================================= | 481 //============================================================================= |
| 482 int MachConstantNode::constant_offset() { | 482 int MachConstantNode::constant_offset() { |
| 483 int offset = _constant.offset(); | |
| 484 // Bind the offset lazily. | 483 // Bind the offset lazily. |
| 485 if (offset == -1) { | 484 if (_constant.offset() == -1) { |
| 486 Compile::ConstantTable& constant_table = Compile::current()->constant_table(); | 485 Compile::ConstantTable& constant_table = Compile::current()->constant_table(); |
| 487 // If called from Compile::scratch_emit_size assume the worst-case | 486 int offset = constant_table.find_offset(_constant); |
| 488 // for load offsets: half the constant table size. | 487 // If called from Compile::scratch_emit_size return the |
| 489 // NOTE: Don't return or calculate the actual offset (which might | 488 // pre-calculated offset. |
| 490 // be zero) because that leads to problems with e.g. jumpXtnd on | 489 // NOTE: If the AD file does some table base offset optimizations |
| 491 // some architectures (cf. add-optimization in SPARC jumpXtnd). | 490 // later the AD file needs to take care of this fact. |
| 492 if (Compile::current()->in_scratch_emit_size()) | 491 if (Compile::current()->in_scratch_emit_size()) { |
| 493 return constant_table.size() / 2; | 492 return constant_table.calculate_table_base_offset() + offset; |
| 494 offset = constant_table.table_base_offset() + constant_table.find_offset(_constant); | 493 } |
| 495 _constant.set_offset(offset); | 494 _constant.set_offset(constant_table.table_base_offset() + offset); |
| 496 } | 495 } |
| 497 return offset; | 496 return _constant.offset(); |
| 498 } | 497 } |
| 499 | 498 |
| 500 | 499 |
| 501 //============================================================================= | 500 //============================================================================= |
| 502 #ifndef PRODUCT | 501 #ifndef PRODUCT |
