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comparison: js/src/jit/arm/MoveEmitter-arm.h
js/src/jit/arm/MoveEmitter-arm.h
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef jit_arm_MoveEmitter_arm_h | |
| 8 #define jit_arm_MoveEmitter_arm_h | |
| 9 | |
| 10 #include "jit/IonMacroAssembler.h" | |
| 11 #include "jit/MoveResolver.h" | |
| 12 | |
| 13 namespace js { | |
| 14 namespace jit { | |
| 15 | |
| 16 class CodeGenerator; | |
| 17 | |
| 18 class MoveEmitterARM | |
| 19 { | |
| 20 bool inCycle_; | |
| 21 MacroAssemblerARMCompat &masm; | |
| 22 | |
| 23 // Original stack push value. | |
| 24 uint32_t pushedAtStart_; | |
| 25 | |
| 26 // These store stack offsets to spill locations, snapshotting | |
| 27 // codegen->framePushed_ at the time they were allocated. They are -1 if no | |
| 28 // stack space has been allocated for that particular spill. | |
| 29 int32_t pushedAtCycle_; | |
| 30 int32_t pushedAtSpill_; | |
| 31 | |
| 32 // These are registers that are available for temporary use. They may be | |
| 33 // assigned InvalidReg. If no corresponding spill space has been assigned, | |
| 34 // then these registers do not need to be spilled. | |
| 35 Register spilledReg_; | |
| 36 FloatRegister spilledFloatReg_; | |
| 37 | |
| 38 void assertDone(); | |
| 39 Register tempReg(); | |
| 40 FloatRegister tempFloatReg(); | |
| 41 Operand cycleSlot() const; | |
| 42 Operand spillSlot() const; | |
| 43 Operand toOperand(const MoveOperand &operand, bool isFloat) const; | |
| 44 | |
| 45 void emitMove(const MoveOperand &from, const MoveOperand &to); | |
| 46 void emitFloat32Move(const MoveOperand &from, const MoveOperand &to); | |
| 47 void emitDoubleMove(const MoveOperand &from, const MoveOperand &to); | |
| 48 void breakCycle(const MoveOperand &from, const MoveOperand &to, MoveOp::Type type); | |
| 49 void completeCycle(const MoveOperand &from, const MoveOperand &to, MoveOp::Type type); | |
| 50 void emit(const MoveOp &move); | |
| 51 | |
| 52 public: | |
| 53 MoveEmitterARM(MacroAssemblerARMCompat &masm); | |
| 54 ~MoveEmitterARM(); | |
| 55 void emit(const MoveResolver &moves); | |
| 56 void finish(); | |
| 57 }; | |
| 58 | |
| 59 typedef MoveEmitterARM MoveEmitter; | |
| 60 | |
| 61 } // namespace jit | |
| 62 } // namespace js | |
| 63 | |
| 64 #endif /* jit_arm_MoveEmitter_arm_h */ |
