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Issue 1534433004: PPC: Reland "[turbofan] Instruction scheduler for Turbofan." (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/instruction-scheduler.h" 5 #include "src/compiler/instruction-scheduler.h"
6 6
7 namespace v8 { 7 namespace v8 {
8 namespace internal { 8 namespace internal {
9 namespace compiler { 9 namespace compiler {
10 10
11 bool InstructionScheduler::SchedulerSupported() { return false; } 11 bool InstructionScheduler::SchedulerSupported() { return true; }
12 12
13 13
14 int InstructionScheduler::GetTargetInstructionFlags( 14 int InstructionScheduler::GetTargetInstructionFlags(
15 const Instruction* instr) const { 15 const Instruction* instr) const {
16 UNIMPLEMENTED(); 16 switch (instr->arch_opcode()) {
17 case kPPC_And:
18 case kPPC_AndComplement:
19 case kPPC_Or:
20 case kPPC_OrComplement:
21 case kPPC_Xor:
22 case kPPC_ShiftLeft32:
23 case kPPC_ShiftLeft64:
24 case kPPC_ShiftRight32:
25 case kPPC_ShiftRight64:
26 case kPPC_ShiftRightAlg32:
27 case kPPC_ShiftRightAlg64:
28 case kPPC_RotRight32:
29 case kPPC_RotRight64:
30 case kPPC_Not:
31 case kPPC_RotLeftAndMask32:
32 case kPPC_RotLeftAndClear64:
33 case kPPC_RotLeftAndClearLeft64:
34 case kPPC_RotLeftAndClearRight64:
35 case kPPC_Add:
36 case kPPC_AddWithOverflow32:
37 case kPPC_AddDouble:
38 case kPPC_Sub:
39 case kPPC_SubWithOverflow32:
40 case kPPC_SubDouble:
41 case kPPC_Mul32:
42 case kPPC_Mul64:
43 case kPPC_MulHigh32:
44 case kPPC_MulHighU32:
45 case kPPC_MulDouble:
46 case kPPC_Div32:
47 case kPPC_Div64:
48 case kPPC_DivU32:
49 case kPPC_DivU64:
50 case kPPC_DivDouble:
51 case kPPC_Mod32:
52 case kPPC_Mod64:
53 case kPPC_ModU32:
54 case kPPC_ModU64:
55 case kPPC_ModDouble:
56 case kPPC_Neg:
57 case kPPC_NegDouble:
58 case kPPC_SqrtDouble:
59 case kPPC_FloorDouble:
60 case kPPC_CeilDouble:
61 case kPPC_TruncateDouble:
62 case kPPC_RoundDouble:
63 case kPPC_MaxDouble:
64 case kPPC_MinDouble:
65 case kPPC_AbsDouble:
66 case kPPC_Cntlz32:
67 case kPPC_Cntlz64:
68 case kPPC_Popcnt32:
69 case kPPC_Popcnt64:
70 case kPPC_Cmp32:
71 case kPPC_Cmp64:
72 case kPPC_CmpDouble:
73 case kPPC_Tst32:
74 case kPPC_Tst64:
75 case kPPC_ExtendSignWord8:
76 case kPPC_ExtendSignWord16:
77 case kPPC_ExtendSignWord32:
78 case kPPC_Uint32ToUint64:
79 case kPPC_Int64ToInt32:
80 case kPPC_Int64ToFloat32:
81 case kPPC_Int64ToDouble:
82 case kPPC_Uint64ToFloat32:
83 case kPPC_Uint64ToDouble:
84 case kPPC_Int32ToDouble:
85 case kPPC_Uint32ToDouble:
86 case kPPC_Float32ToDouble:
87 case kPPC_DoubleToInt32:
88 case kPPC_DoubleToUint32:
89 case kPPC_DoubleToInt64:
90 case kPPC_DoubleToUint64:
91 case kPPC_DoubleToFloat32:
92 case kPPC_DoubleExtractLowWord32:
93 case kPPC_DoubleExtractHighWord32:
94 case kPPC_DoubleInsertLowWord32:
95 case kPPC_DoubleInsertHighWord32:
96 case kPPC_DoubleConstruct:
97 case kPPC_BitcastInt32ToFloat32:
98 case kPPC_BitcastFloat32ToInt32:
99 case kPPC_BitcastInt64ToDouble:
100 case kPPC_BitcastDoubleToInt64:
101 return kNoOpcodeFlags;
102
103 case kPPC_LoadWordS8:
104 case kPPC_LoadWordU8:
105 case kPPC_LoadWordS16:
106 case kPPC_LoadWordU16:
107 case kPPC_LoadWordS32:
108 case kPPC_LoadWord64:
109 case kPPC_LoadFloat32:
110 case kPPC_LoadDouble:
111 return kIsLoadOperation;
112
113 case kPPC_StoreWord8:
114 case kPPC_StoreWord16:
115 case kPPC_StoreWord32:
116 case kPPC_StoreWord64:
117 case kPPC_StoreFloat32:
118 case kPPC_StoreDouble:
119 case kPPC_Push:
120 case kPPC_PushFrame:
121 case kPPC_StoreToStackSlot:
122 return kHasSideEffect;
123
124 #define CASE(Name) case k##Name:
125 COMMON_ARCH_OPCODE_LIST(CASE)
126 #undef CASE
127 // Already covered in architecture independent code.
128 UNREACHABLE();
129 }
130
131 UNREACHABLE();
132 return kNoOpcodeFlags;
17 } 133 }
18 134
19 135
20 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) { 136 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
21 UNIMPLEMENTED(); 137 // TODO(all): Add instruction cost modeling.
138 return 1;
22 } 139 }
23 140
24 } // namespace compiler 141 } // namespace compiler
25 } // namespace internal 142 } // namespace internal
26 } // namespace v8 143 } // namespace v8
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