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Issue 8052029: Pregenerate a RecordWrite stub that we need in the new CallFunctionStub (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 2 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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
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3369 } 3369 }
3370 3370
3371 3371
3372 bool CEntryStub::IsPregenerated() { 3372 bool CEntryStub::IsPregenerated() {
3373 return result_size_ == 1; 3373 return result_size_ == 1;
3374 } 3374 }
3375 3375
3376 3376
3377 void CodeStub::GenerateStubsAheadOfTime() { 3377 void CodeStub::GenerateStubsAheadOfTime() {
3378 CEntryStub save_doubles(1, kSaveFPRegs); 3378 CEntryStub save_doubles(1, kSaveFPRegs);
3379 save_doubles.GetCode(); 3379 save_doubles.GetCode()->set_is_pregenerated(true);
3380 StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(); 3380 StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime();
3381 // It is important that the store buffer overflow stubs are generated first. 3381 // It is important that the store buffer overflow stubs are generated first.
3382 RecordWriteStub::GenerateFixedRegStubsAheadOfTime(); 3382 RecordWriteStub::GenerateFixedRegStubsAheadOfTime();
3383 } 3383 }
3384 3384
3385 3385
3386 void CodeStub::GenerateFPStubs() { 3386 void CodeStub::GenerateFPStubs() {
3387 } 3387 }
3388 3388
3389 3389
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5609 save_fp_regs_mode_ == kDontSaveFPRegs) { 5609 save_fp_regs_mode_ == kDontSaveFPRegs) {
5610 return true; 5610 return true;
5611 } 5611 }
5612 } 5612 }
5613 return false; 5613 return false;
5614 } 5614 }
5615 5615
5616 5616
5617 void StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime() { 5617 void StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime() {
5618 StoreBufferOverflowStub stub1(kDontSaveFPRegs); 5618 StoreBufferOverflowStub stub1(kDontSaveFPRegs);
5619 stub1.GetCode(); 5619 stub1.GetCode()->set_is_pregenerated(true);
5620 StoreBufferOverflowStub stub2(kSaveFPRegs); 5620 StoreBufferOverflowStub stub2(kSaveFPRegs);
5621 stub2.GetCode(); 5621 stub2.GetCode()->set_is_pregenerated(true);
5622 } 5622 }
5623 5623
5624 5624
5625 void RecordWriteStub::GenerateFixedRegStubsAheadOfTime() { 5625 void RecordWriteStub::GenerateFixedRegStubsAheadOfTime() {
5626 for (AheadOfTimeWriteBarrierStubList* entry = kAheadOfTime; 5626 for (AheadOfTimeWriteBarrierStubList* entry = kAheadOfTime;
5627 !entry->object.is(no_reg); 5627 !entry->object.is(no_reg);
5628 entry++) { 5628 entry++) {
5629 RecordWriteStub stub(entry->object, 5629 RecordWriteStub stub(entry->object,
5630 entry->value, 5630 entry->value,
5631 entry->address, 5631 entry->address,
5632 entry->action, 5632 entry->action,
5633 kDontSaveFPRegs); 5633 kDontSaveFPRegs);
5634 stub.GetCode(); 5634 stub.GetCode()->set_is_pregenerated(true);
5635 } 5635 }
5636 } 5636 }
5637 5637
5638 5638
5639 // Takes the input in 3 registers: address_ value_ and object_. A pointer to 5639 // Takes the input in 3 registers: address_ value_ and object_. A pointer to
5640 // the value has just been written into the object, now this stub makes sure 5640 // the value has just been written into the object, now this stub makes sure
5641 // we keep the GC informed. The word in the object where the value has been 5641 // we keep the GC informed. The word in the object where the value has been
5642 // written is in the address register. 5642 // written is in the address register.
5643 void RecordWriteStub::Generate(MacroAssembler* masm) { 5643 void RecordWriteStub::Generate(MacroAssembler* masm) {
5644 Label skip_to_incremental_noncompacting; 5644 Label skip_to_incremental_noncompacting;
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5839 5839
5840 // Fall through when we need to inform the incremental marker. 5840 // Fall through when we need to inform the incremental marker.
5841 } 5841 }
5842 5842
5843 5843
5844 #undef __ 5844 #undef __
5845 5845
5846 } } // namespace v8::internal 5846 } } // namespace v8::internal
5847 5847
5848 #endif // V8_TARGET_ARCH_X64 5848 #endif // V8_TARGET_ARCH_X64
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