OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 451 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
462 void Restore(MacroAssembler* masm) { | 462 void Restore(MacroAssembler* masm) { |
463 masm->pop(scratch1_); | 463 masm->pop(scratch1_); |
464 } | 464 } |
465 | 465 |
466 // If we have to call into C then we need to save and restore all caller- | 466 // If we have to call into C then we need to save and restore all caller- |
467 // saved registers that were not already preserved. The scratch registers | 467 // saved registers that were not already preserved. The scratch registers |
468 // will be restored by other means so we don't bother pushing them here. | 468 // will be restored by other means so we don't bother pushing them here. |
469 void SaveCallerSaveRegisters(MacroAssembler* masm, SaveFPRegsMode mode) { | 469 void SaveCallerSaveRegisters(MacroAssembler* masm, SaveFPRegsMode mode) { |
470 masm->stm(db_w, sp, (kCallerSaved | lr.bit()) & ~scratch1_.bit()); | 470 masm->stm(db_w, sp, (kCallerSaved | lr.bit()) & ~scratch1_.bit()); |
471 if (mode == kSaveFPRegs) { | 471 if (mode == kSaveFPRegs) { |
472 // Number of d-regs not known at snapshot time. | 472 masm->SaveFPRegs(sp, scratch0_); |
473 ASSERT(!Serializer::enabled()); | |
474 masm->sub(sp, | |
475 sp, | |
476 Operand(kDoubleSize * (DwVfpRegister::NumRegisters() - 1))); | |
477 // Save all VFP registers except d0. | |
478 // TODO(hans): We should probably save d0 too. And maybe use vstm. | |
479 for (int i = DwVfpRegister::NumRegisters() - 1; i > 0; i--) { | |
480 DwVfpRegister reg = DwVfpRegister::from_code(i); | |
481 masm->vstr(reg, MemOperand(sp, (i - 1) * kDoubleSize)); | |
482 } | |
483 } | 473 } |
484 } | 474 } |
485 | 475 |
486 inline void RestoreCallerSaveRegisters(MacroAssembler*masm, | 476 inline void RestoreCallerSaveRegisters(MacroAssembler*masm, |
487 SaveFPRegsMode mode) { | 477 SaveFPRegsMode mode) { |
488 if (mode == kSaveFPRegs) { | 478 if (mode == kSaveFPRegs) { |
489 // Number of d-regs not known at snapshot time. | 479 masm->RestoreFPRegs(sp, scratch0_); |
490 ASSERT(!Serializer::enabled()); | |
491 // Restore all VFP registers except d0. | |
492 // TODO(hans): We should probably restore d0 too. And maybe use vldm. | |
493 for (int i = DwVfpRegister::NumRegisters() - 1; i > 0; i--) { | |
494 DwVfpRegister reg = DwVfpRegister::from_code(i); | |
495 masm->vldr(reg, MemOperand(sp, (i - 1) * kDoubleSize)); | |
496 } | |
497 masm->add(sp, | |
498 sp, | |
499 Operand(kDoubleSize * (DwVfpRegister::NumRegisters() - 1))); | |
500 } | 480 } |
501 masm->ldm(ia_w, sp, (kCallerSaved | lr.bit()) & ~scratch1_.bit()); | 481 masm->ldm(ia_w, sp, (kCallerSaved | lr.bit()) & ~scratch1_.bit()); |
502 } | 482 } |
503 | 483 |
504 inline Register object() { return object_; } | 484 inline Register object() { return object_; } |
505 inline Register address() { return address_; } | 485 inline Register address() { return address_; } |
506 inline Register scratch0() { return scratch0_; } | 486 inline Register scratch0() { return scratch0_; } |
507 inline Register scratch1() { return scratch1_; } | 487 inline Register scratch1() { return scratch1_; } |
508 | 488 |
509 private: | 489 private: |
(...skipping 280 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
790 | 770 |
791 class LookupModeBits: public BitField<LookupMode, 0, 1> {}; | 771 class LookupModeBits: public BitField<LookupMode, 0, 1> {}; |
792 | 772 |
793 LookupMode mode_; | 773 LookupMode mode_; |
794 }; | 774 }; |
795 | 775 |
796 | 776 |
797 } } // namespace v8::internal | 777 } } // namespace v8::internal |
798 | 778 |
799 #endif // V8_ARM_CODE_STUBS_ARM_H_ | 779 #endif // V8_ARM_CODE_STUBS_ARM_H_ |
OLD | NEW |