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Issue 10534006: Remove TLS access for current Zone. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Address review. Created 8 years, 6 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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29 29
30 #if defined(V8_TARGET_ARCH_X64) 30 #if defined(V8_TARGET_ARCH_X64)
31 31
32 #include "x64/lithium-gap-resolver-x64.h" 32 #include "x64/lithium-gap-resolver-x64.h"
33 #include "x64/lithium-codegen-x64.h" 33 #include "x64/lithium-codegen-x64.h"
34 34
35 namespace v8 { 35 namespace v8 {
36 namespace internal { 36 namespace internal {
37 37
38 LGapResolver::LGapResolver(LCodeGen* owner) 38 LGapResolver::LGapResolver(LCodeGen* owner)
39 : cgen_(owner), moves_(32) {} 39 : cgen_(owner), moves_(32, owner->zone()) {}
40 40
41 41
42 void LGapResolver::Resolve(LParallelMove* parallel_move) { 42 void LGapResolver::Resolve(LParallelMove* parallel_move) {
43 ASSERT(moves_.is_empty()); 43 ASSERT(moves_.is_empty());
44 // Build up a worklist of moves. 44 // Build up a worklist of moves.
45 BuildInitialMoveList(parallel_move); 45 BuildInitialMoveList(parallel_move);
46 46
47 for (int i = 0; i < moves_.length(); ++i) { 47 for (int i = 0; i < moves_.length(); ++i) {
48 LMoveOperands move = moves_[i]; 48 LMoveOperands move = moves_[i];
49 // Skip constants to perform them last. They don't block other moves 49 // Skip constants to perform them last. They don't block other moves
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67 67
68 68
69 void LGapResolver::BuildInitialMoveList(LParallelMove* parallel_move) { 69 void LGapResolver::BuildInitialMoveList(LParallelMove* parallel_move) {
70 // Perform a linear sweep of the moves to add them to the initial list of 70 // Perform a linear sweep of the moves to add them to the initial list of
71 // moves to perform, ignoring any move that is redundant (the source is 71 // moves to perform, ignoring any move that is redundant (the source is
72 // the same as the destination, the destination is ignored and 72 // the same as the destination, the destination is ignored and
73 // unallocated, or the move was already eliminated). 73 // unallocated, or the move was already eliminated).
74 const ZoneList<LMoveOperands>* moves = parallel_move->move_operands(); 74 const ZoneList<LMoveOperands>* moves = parallel_move->move_operands();
75 for (int i = 0; i < moves->length(); ++i) { 75 for (int i = 0; i < moves->length(); ++i) {
76 LMoveOperands move = moves->at(i); 76 LMoveOperands move = moves->at(i);
77 if (!move.IsRedundant()) moves_.Add(move); 77 if (!move.IsRedundant()) moves_.Add(move, cgen_->zone());
78 } 78 }
79 Verify(); 79 Verify();
80 } 80 }
81 81
82 82
83 void LGapResolver::PerformMove(int index) { 83 void LGapResolver::PerformMove(int index) {
84 // Each call to this function performs a move and deletes it from the move 84 // Each call to this function performs a move and deletes it from the move
85 // graph. We first recursively perform any move blocking this one. We 85 // graph. We first recursively perform any move blocking this one. We
86 // mark a move as "pending" on entry to PerformMove in order to detect 86 // mark a move as "pending" on entry to PerformMove in order to detect
87 // cycles in the move graph. We use operand swaps to resolve cycles, 87 // cycles in the move graph. We use operand swaps to resolve cycles,
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313 moves_[i].set_source(source); 313 moves_[i].set_source(source);
314 } 314 }
315 } 315 }
316 } 316 }
317 317
318 #undef __ 318 #undef __
319 319
320 } } // namespace v8::internal 320 } } // namespace v8::internal
321 321
322 #endif // V8_TARGET_ARCH_X64 322 #endif // V8_TARGET_ARCH_X64
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