projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| 93a37866 A |
1 | /* |
| 2 | * Copyright (C) 2012, 2013 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * 1. Redistributions of source code must retain the above copyright | |
| 8 | * notice, this list of conditions and the following disclaimer. | |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer in the | |
| 11 | * documentation and/or other materials provided with the distribution. | |
| 12 | * | |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 | */ | |
| 25 | ||
| 26 | #ifndef DFGSilentRegisterSavePlan_h | |
| 27 | #define DFGSilentRegisterSavePlan_h | |
| 28 | ||
| 93a37866 A |
29 | #if ENABLE(DFG_JIT) |
| 30 | ||
| 31 | #include "DFGCommon.h" | |
| 81345200 A |
32 | #include "FPRInfo.h" |
| 33 | #include "GPRInfo.h" | |
| 93a37866 A |
34 | |
| 35 | namespace JSC { namespace DFG { | |
| 36 | ||
| 37 | enum SilentSpillAction { | |
| 38 | DoNothingForSpill, | |
| 39 | Store32Tag, | |
| 40 | Store32Payload, | |
| 41 | StorePtr, | |
| 42 | Store64, | |
| 43 | StoreDouble | |
| 44 | }; | |
| 45 | ||
| 46 | enum SilentFillAction { | |
| 47 | DoNothingForFill, | |
| 48 | SetInt32Constant, | |
| 81345200 A |
49 | SetInt52Constant, |
| 50 | SetStrictInt52Constant, | |
| 93a37866 A |
51 | SetBooleanConstant, |
| 52 | SetCellConstant, | |
| 53 | SetTrustedJSConstant, | |
| 54 | SetJSConstant, | |
| 55 | SetJSConstantTag, | |
| 56 | SetJSConstantPayload, | |
| 57 | SetInt32Tag, | |
| 58 | SetCellTag, | |
| 59 | SetBooleanTag, | |
| 60 | SetDoubleConstant, | |
| 61 | Load32Tag, | |
| 62 | Load32Payload, | |
| 63 | Load32PayloadBoxInt, | |
| 81345200 A |
64 | Load32PayloadConvertToInt52, |
| 65 | Load32PayloadSignExtend, | |
| 93a37866 A |
66 | LoadPtr, |
| 67 | Load64, | |
| 81345200 A |
68 | Load64ShiftInt52Right, |
| 69 | Load64ShiftInt52Left, | |
| 93a37866 A |
70 | LoadDouble, |
| 71 | LoadDoubleBoxDouble, | |
| 72 | LoadJSUnboxDouble | |
| 73 | }; | |
| 74 | ||
| 75 | class SilentRegisterSavePlan { | |
| 76 | public: | |
| 77 | SilentRegisterSavePlan() | |
| 78 | : m_spillAction(DoNothingForSpill) | |
| 79 | , m_fillAction(DoNothingForFill) | |
| 80 | , m_register(-1) | |
| 81 | , m_node(0) | |
| 82 | { | |
| 83 | } | |
| 84 | ||
| 85 | SilentRegisterSavePlan( | |
| 86 | SilentSpillAction spillAction, | |
| 87 | SilentFillAction fillAction, | |
| 88 | Node* node, | |
| 89 | GPRReg gpr) | |
| 90 | : m_spillAction(spillAction) | |
| 91 | , m_fillAction(fillAction) | |
| 92 | , m_register(gpr) | |
| 93 | , m_node(node) | |
| 94 | { | |
| 95 | } | |
| 96 | ||
| 97 | SilentRegisterSavePlan( | |
| 98 | SilentSpillAction spillAction, | |
| 99 | SilentFillAction fillAction, | |
| 100 | Node* node, | |
| 101 | FPRReg fpr) | |
| 102 | : m_spillAction(spillAction) | |
| 103 | , m_fillAction(fillAction) | |
| 104 | , m_register(fpr) | |
| 105 | , m_node(node) | |
| 106 | { | |
| 107 | } | |
| 108 | ||
| 109 | SilentSpillAction spillAction() const { return static_cast<SilentSpillAction>(m_spillAction); } | |
| 110 | SilentFillAction fillAction() const { return static_cast<SilentFillAction>(m_fillAction); } | |
| 111 | ||
| 112 | Node* node() const { return m_node; } | |
| 113 | ||
| 114 | GPRReg gpr() const { return static_cast<GPRReg>(m_register); } | |
| 115 | FPRReg fpr() const { return static_cast<FPRReg>(m_register); } | |
| 116 | ||
| 117 | private: | |
| 118 | int8_t m_spillAction; | |
| 119 | int8_t m_fillAction; | |
| 120 | int8_t m_register; | |
| 121 | Node* m_node; | |
| 122 | }; | |
| 123 | ||
| 124 | } } // namespace JSC::DFG | |
| 125 | ||
| 126 | #endif // ENABLE(DFG_JIT) | |
| 127 | ||
| 128 | #endif // DFGSilentRegisterSavePlan_h | |
| 129 |