1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_COMPILER_DEX_QUICK_ARM_CODEGEN_ARM_H_
#define ART_COMPILER_DEX_QUICK_ARM_CODEGEN_ARM_H_
#include "arm_lir.h"
#include "dex/compiler_internals.h"
namespace art {
class ArmMir2Lir FINAL : public Mir2Lir {
public:
ArmMir2Lir(CompilationUnit* cu, MIRGraph* mir_graph, ArenaAllocator* arena);
// Required for target - codegen helpers.
bool SmallLiteralDivRem(Instruction::Code dalvik_opcode, bool is_div, RegLocation rl_src,
RegLocation rl_dest, int lit);
bool EasyMultiply(RegLocation rl_src, RegLocation rl_dest, int lit) OVERRIDE;
LIR* CheckSuspendUsingLoad() OVERRIDE;
RegStorage LoadHelper(ThreadOffset<4> offset) OVERRIDE;
RegStorage LoadHelper(ThreadOffset<8> offset) OVERRIDE;
LIR* LoadBaseDispVolatile(RegStorage r_base, int displacement, RegStorage r_dest,
OpSize size) OVERRIDE;
LIR* LoadBaseDisp(RegStorage r_base, int displacement, RegStorage r_dest,
OpSize size) OVERRIDE;
LIR* LoadBaseIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_dest, int scale,
OpSize size) OVERRIDE;
LIR* LoadBaseIndexedDisp(RegStorage r_base, RegStorage r_index, int scale, int displacement,
RegStorage r_dest, OpSize size) OVERRIDE;
LIR* LoadConstantNoClobber(RegStorage r_dest, int value);
LIR* LoadConstantWide(RegStorage r_dest, int64_t value);
LIR* StoreBaseDispVolatile(RegStorage r_base, int displacement, RegStorage r_src,
OpSize size) OVERRIDE;
LIR* StoreBaseDisp(RegStorage r_base, int displacement, RegStorage r_src,
OpSize size) OVERRIDE;
LIR* StoreBaseIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_src, int scale,
OpSize size) OVERRIDE;
LIR* StoreBaseIndexedDisp(RegStorage r_base, RegStorage r_index, int scale, int displacement,
RegStorage r_src, OpSize size) OVERRIDE;
void MarkGCCard(RegStorage val_reg, RegStorage tgt_addr_reg);
// Required for target - register utilities.
RegStorage AllocTypedTemp(bool fp_hint, int reg_class);
RegStorage AllocTypedTempWide(bool fp_hint, int reg_class);
RegStorage TargetReg(SpecialTargetRegister reg);
RegStorage GetArgMappingToPhysicalReg(int arg_num);
RegLocation GetReturnAlt();
RegLocation GetReturnWideAlt();
RegLocation LocCReturn();
RegLocation LocCReturnDouble();
RegLocation LocCReturnFloat();
RegLocation LocCReturnWide();
uint64_t GetRegMaskCommon(RegStorage reg);
void AdjustSpillMask();
void ClobberCallerSave();
void FreeCallTemps();
void FreeRegLocTemps(RegLocation rl_keep, RegLocation rl_free);
void LockCallTemps();
void MarkPreservedSingle(int v_reg, RegStorage reg);
void MarkPreservedDouble(int v_reg, RegStorage reg);
void CompilerInitializeRegAlloc();
RegStorage AllocPreservedDouble(int s_reg);
// Required for target - miscellaneous.
void AssembleLIR();
uint32_t LinkFixupInsns(LIR* head_lir, LIR* tail_lir, CodeOffset offset);
int AssignInsnOffsets();
void AssignOffsets();
static uint8_t* EncodeLIRs(uint8_t* write_pos, LIR* lir);
void DumpResourceMask(LIR* lir, uint64_t mask, const char* prefix);
void SetupTargetResourceMasks(LIR* lir, uint64_t flags);
const char* GetTargetInstFmt(int opcode);
const char* GetTargetInstName(int opcode);
std::string BuildInsnString(const char* fmt, LIR* lir, unsigned char* base_addr);
uint64_t GetPCUseDefEncoding();
uint64_t GetTargetInstFlags(int opcode);
int GetInsnSize(LIR* lir);
bool IsUnconditionalBranch(LIR* lir);
// Check support for volatile load/store of a given size.
bool SupportsVolatileLoadStore(OpSize size) OVERRIDE;
// Get the register class for load/store of a field.
RegisterClass RegClassForFieldLoadStore(OpSize size, bool is_volatile) OVERRIDE;
// Required for target - Dalvik-level generators.
void GenArithImmOpLong(Instruction::Code opcode, RegLocation rl_dest,
RegLocation rl_src1, RegLocation rl_src2);
void GenArrayGet(int opt_flags, OpSize size, RegLocation rl_array,
RegLocation rl_index, RegLocation rl_dest, int scale);
void GenArrayPut(int opt_flags, OpSize size, RegLocation rl_array, RegLocation rl_index,
RegLocation rl_src, int scale, bool card_mark);
void GenShiftImmOpLong(Instruction::Code opcode, RegLocation rl_dest,
RegLocation rl_src1, RegLocation rl_shift);
void GenMulLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenAddLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenAndLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenArithOpDouble(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenArithOpFloat(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenCmpFP(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenConversion(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src);
bool GenInlinedCas(CallInfo* info, bool is_long, bool is_object);
bool GenInlinedMinMaxInt(CallInfo* info, bool is_min);
bool GenInlinedSqrt(CallInfo* info);
bool GenInlinedPeek(CallInfo* info, OpSize size);
bool GenInlinedPoke(CallInfo* info, OpSize size);
void GenNegLong(RegLocation rl_dest, RegLocation rl_src);
void GenOrLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenSubLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
void GenXorLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
RegLocation rl_src2);
RegLocation GenDivRem(RegLocation rl_dest, RegStorage reg_lo, RegStorage reg_hi, bool is_div);
RegLocation GenDivRemLit(RegLocation rl_dest, RegStorage reg_lo, int lit, bool is_div);
void GenCmpLong(RegLocation rl_dest, RegLocation rl_src1, RegLocation rl_src2);
void GenDivZeroCheckWide(RegStorage reg);
void GenEntrySequence(RegLocation* ArgLocs, RegLocation rl_method);
void GenExitSequence();
void GenSpecialExitSequence();
void GenFillArrayData(DexOffset table_offset, RegLocation rl_src);
void GenFusedFPCmpBranch(BasicBlock* bb, MIR* mir, bool gt_bias, bool is_double);
void GenFusedLongCmpBranch(BasicBlock* bb, MIR* mir);
void GenSelect(BasicBlock* bb, MIR* mir);
bool GenMemBarrier(MemBarrierKind barrier_kind);
void GenMonitorEnter(int opt_flags, RegLocation rl_src);
void GenMonitorExit(int opt_flags, RegLocation rl_src);
void GenMoveException(RegLocation rl_dest);
void GenMultiplyByTwoBitMultiplier(RegLocation rl_src, RegLocation rl_result, int lit,
int first_bit, int second_bit);
void GenNegDouble(RegLocation rl_dest, RegLocation rl_src);
void GenNegFloat(RegLocation rl_dest, RegLocation rl_src);
void GenPackedSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src);
void GenSparseSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src);
// Required for target - single operation generators.
LIR* OpUnconditionalBranch(LIR* target);
LIR* OpCmpBranch(ConditionCode cond, RegStorage src1, RegStorage src2, LIR* target);
LIR* OpCmpImmBranch(ConditionCode cond, RegStorage reg, int check_value, LIR* target);
LIR* OpCondBranch(ConditionCode cc, LIR* target);
LIR* OpDecAndBranch(ConditionCode c_code, RegStorage reg, LIR* target);
LIR* OpFpRegCopy(RegStorage r_dest, RegStorage r_src);
LIR* OpIT(ConditionCode cond, const char* guide);
void UpdateIT(LIR* it, const char* new_guide);
void OpEndIT(LIR* it);
LIR* OpMem(OpKind op, RegStorage r_base, int disp);
LIR* OpPcRelLoad(RegStorage reg, LIR* target);
LIR* OpReg(OpKind op, RegStorage r_dest_src);
void OpRegCopy(RegStorage r_dest, RegStorage r_src);
LIR* OpRegCopyNoInsert(RegStorage r_dest, RegStorage r_src);
LIR* OpRegImm(OpKind op, RegStorage r_dest_src1, int value);
LIR* OpRegMem(OpKind op, RegStorage r_dest, RegStorage r_base, int offset);
LIR* OpRegReg(OpKind op, RegStorage r_dest_src1, RegStorage r_src2);
LIR* OpMovRegMem(RegStorage r_dest, RegStorage r_base, int offset, MoveType move_type);
LIR* OpMovMemReg(RegStorage r_base, int offset, RegStorage r_src, MoveType move_type);
LIR* OpCondRegReg(OpKind op, ConditionCode cc, RegStorage r_dest, RegStorage r_src);
LIR* OpRegRegImm(OpKind op, RegStorage r_dest, RegStorage r_src1, int value);
LIR* OpRegRegReg(OpKind op, RegStorage r_dest, RegStorage r_src1, RegStorage r_src2);
LIR* OpTestSuspend(LIR* target);
LIR* OpThreadMem(OpKind op, ThreadOffset<4> thread_offset) OVERRIDE;
LIR* OpThreadMem(OpKind op, ThreadOffset<8> thread_offset) OVERRIDE;
LIR* OpVldm(RegStorage r_base, int count);
LIR* OpVstm(RegStorage r_base, int count);
void OpLea(RegStorage r_base, RegStorage reg1, RegStorage reg2, int scale, int offset);
void OpRegCopyWide(RegStorage dest, RegStorage src);
void OpTlsCmp(ThreadOffset<4> offset, int val) OVERRIDE;
void OpTlsCmp(ThreadOffset<8> offset, int val) OVERRIDE;
LIR* LoadBaseDispBody(RegStorage r_base, int displacement, RegStorage r_dest, OpSize size);
LIR* StoreBaseDispBody(RegStorage r_base, int displacement, RegStorage r_src, OpSize size);
LIR* OpRegRegRegShift(OpKind op, RegStorage r_dest, RegStorage r_src1, RegStorage r_src2,
int shift);
LIR* OpRegRegShift(OpKind op, RegStorage r_dest_src1, RegStorage r_src2, int shift);
static const ArmEncodingMap EncodingMap[kArmLast];
int EncodeShift(int code, int amount);
int ModifiedImmediate(uint32_t value);
ArmConditionCode ArmConditionEncoding(ConditionCode code);
bool InexpensiveConstantInt(int32_t value);
bool InexpensiveConstantFloat(int32_t value);
bool InexpensiveConstantLong(int64_t value);
bool InexpensiveConstantDouble(int64_t value);
private:
void GenFusedLongCmpImmBranch(BasicBlock* bb, RegLocation rl_src1, int64_t val,
ConditionCode ccode);
LIR* LoadFPConstantValue(int r_dest, int value);
void ReplaceFixup(LIR* prev_lir, LIR* orig_lir, LIR* new_lir);
void InsertFixupBefore(LIR* prev_lir, LIR* orig_lir, LIR* new_lir);
void AssignDataOffsets();
RegLocation GenDivRem(RegLocation rl_dest, RegLocation rl_src1, RegLocation rl_src2,
bool is_div, bool check_zero);
RegLocation GenDivRemLit(RegLocation rl_dest, RegLocation rl_src1, int lit, bool is_div);
typedef struct {
OpKind op;
uint32_t shift;
} EasyMultiplyOp;
bool GetEasyMultiplyOp(int lit, EasyMultiplyOp* op);
bool GetEasyMultiplyTwoOps(int lit, EasyMultiplyOp* ops);
void GenEasyMultiplyTwoOps(RegStorage r_dest, RegStorage r_src, EasyMultiplyOp* ops);
};
} // namespace art
#endif // ART_COMPILER_DEX_QUICK_ARM_CODEGEN_ARM_H_
|
