Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/oops/methodDataOop.cpp
src/share/vm/oops/methodDataOop.cpp
- changeset 2462
- 8012aa3ccede
- parent 2314
- f95d63e2154a
- child 2534
- e5383553fd4e
- child 2559
- 72d6c57d0658
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| 2450:34d64ad817f4 | 2462:8012aa3ccede |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 415 // case was taken and specify the data displacment for each branch target. | 415 // case was taken and specify the data displacment for each branch target. |
| 416 | 416 |
| 417 int MultiBranchData::compute_cell_count(BytecodeStream* stream) { | 417 int MultiBranchData::compute_cell_count(BytecodeStream* stream) { |
| 418 int cell_count = 0; | 418 int cell_count = 0; |
| 419 if (stream->code() == Bytecodes::_tableswitch) { | 419 if (stream->code() == Bytecodes::_tableswitch) { |
| 420 Bytecode_tableswitch* sw = Bytecode_tableswitch_at(stream->bcp()); | 420 Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
| 421 cell_count = 1 + per_case_cell_count * (1 + sw->length()); // 1 for default | 421 cell_count = 1 + per_case_cell_count * (1 + sw.length()); // 1 for default |
| 422 } else { | 422 } else { |
| 423 Bytecode_lookupswitch* sw = Bytecode_lookupswitch_at(stream->bcp()); | 423 Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
| 424 cell_count = 1 + per_case_cell_count * (sw->number_of_pairs() + 1); // 1 for default | 424 cell_count = 1 + per_case_cell_count * (sw.number_of_pairs() + 1); // 1 for default |
| 425 } | 425 } |
| 426 return cell_count; | 426 return cell_count; |
| 427 } | 427 } |
| 428 | 428 |
| 429 void MultiBranchData::post_initialize(BytecodeStream* stream, | 429 void MultiBranchData::post_initialize(BytecodeStream* stream, |
| 432 int target; | 432 int target; |
| 433 int my_di; | 433 int my_di; |
| 434 int target_di; | 434 int target_di; |
| 435 int offset; | 435 int offset; |
| 436 if (stream->code() == Bytecodes::_tableswitch) { | 436 if (stream->code() == Bytecodes::_tableswitch) { |
| 437 Bytecode_tableswitch* sw = Bytecode_tableswitch_at(stream->bcp()); | 437 Bytecode_tableswitch sw(stream->method()(), stream->bcp()); |
| 438 int len = sw->length(); | 438 int len = sw.length(); |
| 439 assert(array_len() == per_case_cell_count * (len + 1), "wrong len"); | 439 assert(array_len() == per_case_cell_count * (len + 1), "wrong len"); |
| 440 for (int count = 0; count < len; count++) { | 440 for (int count = 0; count < len; count++) { |
| 441 target = sw->dest_offset_at(count) + bci(); | 441 target = sw.dest_offset_at(count) + bci(); |
| 442 my_di = mdo->dp_to_di(dp()); | 442 my_di = mdo->dp_to_di(dp()); |
| 443 target_di = mdo->bci_to_di(target); | 443 target_di = mdo->bci_to_di(target); |
| 444 offset = target_di - my_di; | 444 offset = target_di - my_di; |
| 445 set_displacement_at(count, offset); | 445 set_displacement_at(count, offset); |
| 446 } | 446 } |
| 447 target = sw->default_offset() + bci(); | 447 target = sw.default_offset() + bci(); |
| 448 my_di = mdo->dp_to_di(dp()); | 448 my_di = mdo->dp_to_di(dp()); |
| 449 target_di = mdo->bci_to_di(target); | 449 target_di = mdo->bci_to_di(target); |
| 450 offset = target_di - my_di; | 450 offset = target_di - my_di; |
| 451 set_default_displacement(offset); | 451 set_default_displacement(offset); |
| 452 | 452 |
| 453 } else { | 453 } else { |
| 454 Bytecode_lookupswitch* sw = Bytecode_lookupswitch_at(stream->bcp()); | 454 Bytecode_lookupswitch sw(stream->method()(), stream->bcp()); |
| 455 int npairs = sw->number_of_pairs(); | 455 int npairs = sw.number_of_pairs(); |
| 456 assert(array_len() == per_case_cell_count * (npairs + 1), "wrong len"); | 456 assert(array_len() == per_case_cell_count * (npairs + 1), "wrong len"); |
| 457 for (int count = 0; count < npairs; count++) { | 457 for (int count = 0; count < npairs; count++) { |
| 458 LookupswitchPair *pair = sw->pair_at(count); | 458 LookupswitchPair pair = sw.pair_at(count); |
| 459 target = pair->offset() + bci(); | 459 target = pair.offset() + bci(); |
| 460 my_di = mdo->dp_to_di(dp()); | 460 my_di = mdo->dp_to_di(dp()); |
| 461 target_di = mdo->bci_to_di(target); | 461 target_di = mdo->bci_to_di(target); |
| 462 offset = target_di - my_di; | 462 offset = target_di - my_di; |
| 463 set_displacement_at(count, offset); | 463 set_displacement_at(count, offset); |
| 464 } | 464 } |
| 465 target = sw->default_offset() + bci(); | 465 target = sw.default_offset() + bci(); |
| 466 my_di = mdo->dp_to_di(dp()); | 466 my_di = mdo->dp_to_di(dp()); |
| 467 target_di = mdo->bci_to_di(target); | 467 target_di = mdo->bci_to_di(target); |
| 468 offset = target_di - my_di; | 468 offset = target_di - my_di; |
| 469 set_default_displacement(offset); | 469 set_default_displacement(offset); |
| 470 } | 470 } |
