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comparison: js/src/jit/shared/MoveEmitter-x86-shared.h
js/src/jit/shared/MoveEmitter-x86-shared.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_MoveEmitter_x86_shared_h | |
| 8 #define jit_MoveEmitter_x86_shared_h | |
| 9 | |
| 10 #if defined(JS_CODEGEN_X86) | |
| 11 # include "jit/x86/MacroAssembler-x86.h" | |
| 12 #elif defined(JS_CODEGEN_X64) | |
| 13 # include "jit/x64/MacroAssembler-x64.h" | |
| 14 #else | |
| 15 # error "Wrong architecture. Only x86 and x64 should build this file!" | |
| 16 #endif | |
| 17 #include "jit/MoveResolver.h" | |
| 18 | |
| 19 namespace js { | |
| 20 namespace jit { | |
| 21 | |
| 22 class CodeGenerator; | |
| 23 | |
| 24 class MoveEmitterX86 | |
| 25 { | |
| 26 bool inCycle_; | |
| 27 MacroAssemblerSpecific &masm; | |
| 28 | |
| 29 // Original stack push value. | |
| 30 uint32_t pushedAtStart_; | |
| 31 | |
| 32 // This is a store stack offset for the cycle-break spill slot, snapshotting | |
| 33 // codegen->framePushed_ at the time it is allocated. -1 if not allocated. | |
| 34 int32_t pushedAtCycle_; | |
| 35 | |
| 36 void assertDone(); | |
| 37 Address cycleSlot(); | |
| 38 Address toAddress(const MoveOperand &operand) const; | |
| 39 Operand toOperand(const MoveOperand &operand) const; | |
| 40 Operand toPopOperand(const MoveOperand &operand) const; | |
| 41 | |
| 42 size_t characterizeCycle(const MoveResolver &moves, size_t i, | |
| 43 bool *allGeneralRegs, bool *allFloatRegs); | |
| 44 bool maybeEmitOptimizedCycle(const MoveResolver &moves, size_t i, | |
| 45 bool allGeneralRegs, bool allFloatRegs, size_t swapCount); | |
| 46 void emitInt32Move(const MoveOperand &from, const MoveOperand &to); | |
| 47 void emitGeneralMove(const MoveOperand &from, const MoveOperand &to); | |
| 48 void emitFloat32Move(const MoveOperand &from, const MoveOperand &to); | |
| 49 void emitDoubleMove(const MoveOperand &from, const MoveOperand &to); | |
| 50 void breakCycle(const MoveOperand &to, MoveOp::Type type); | |
| 51 void completeCycle(const MoveOperand &to, MoveOp::Type type); | |
| 52 | |
| 53 public: | |
| 54 MoveEmitterX86(MacroAssemblerSpecific &masm); | |
| 55 ~MoveEmitterX86(); | |
| 56 void emit(const MoveResolver &moves); | |
| 57 void finish(); | |
| 58 }; | |
| 59 | |
| 60 typedef MoveEmitterX86 MoveEmitter; | |
| 61 | |
| 62 } // ion | |
| 63 } // js | |
| 64 | |
| 65 #endif /* jit_MoveEmitter_x86_shared_h */ |
