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gerrit-public.fairphone.software / fp2-dev / platform / external / v8 / refs/tags/fp2-sibon-18.01.1 / . / src / compiler / s390 / instruction-scheduler-s390.cc
blob: 5b9722eef52fefcdacf07933f7dea31560460216 [file] [log] [blame]
Ben Murdochda12d292016-06-02 14:46:10 +0100[diff] [blame]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
3// found in the LICENSE file.
4
5#include "src/compiler/instruction-scheduler.h"
6
7namespace v8 {
8namespace internal {
9namespace compiler {
10
11bool InstructionScheduler::SchedulerSupported() { return true; }
12
13int InstructionScheduler::GetTargetInstructionFlags(
14 const Instruction* instr) const {
15 switch (instr->arch_opcode()) {
16 case kS390_And:
17 case kS390_AndComplement:
18 case kS390_Or:
19 case kS390_OrComplement:
20 case kS390_Xor:
21 case kS390_ShiftLeft32:
22 case kS390_ShiftLeft64:
23 case kS390_ShiftLeftPair:
24 case kS390_ShiftRight32:
25 case kS390_ShiftRight64:
26 case kS390_ShiftRightPair:
27 case kS390_ShiftRightArith32:
28 case kS390_ShiftRightArith64:
29 case kS390_ShiftRightArithPair:
30 case kS390_RotRight32:
31 case kS390_RotRight64:
32 case kS390_Not:
33 case kS390_RotLeftAndMask32:
34 case kS390_RotLeftAndClear64:
35 case kS390_RotLeftAndClearLeft64:
36 case kS390_RotLeftAndClearRight64:
37 case kS390_Add:
38 case kS390_AddWithOverflow32:
39 case kS390_AddPair:
40 case kS390_AddFloat:
41 case kS390_AddDouble:
42 case kS390_Sub:
43 case kS390_SubWithOverflow32:
44 case kS390_SubPair:
45 case kS390_MulPair:
46 case kS390_SubFloat:
47 case kS390_SubDouble:
48 case kS390_Mul32:
49 case kS390_Mul64:
50 case kS390_MulHigh32:
51 case kS390_MulHighU32:
52 case kS390_MulFloat:
53 case kS390_MulDouble:
54 case kS390_Div32:
55 case kS390_Div64:
56 case kS390_DivU32:
57 case kS390_DivU64:
58 case kS390_DivFloat:
59 case kS390_DivDouble:
60 case kS390_Mod32:
61 case kS390_Mod64:
62 case kS390_ModU32:
63 case kS390_ModU64:
64 case kS390_ModDouble:
65 case kS390_Neg:
66 case kS390_NegDouble:
67 case kS390_SqrtFloat:
68 case kS390_FloorFloat:
69 case kS390_CeilFloat:
70 case kS390_TruncateFloat:
71 case kS390_AbsFloat:
72 case kS390_SqrtDouble:
73 case kS390_FloorDouble:
74 case kS390_CeilDouble:
75 case kS390_TruncateDouble:
76 case kS390_RoundDouble:
77 case kS390_MaxDouble:
78 case kS390_MinDouble:
79 case kS390_AbsDouble:
80 case kS390_Cntlz32:
81 case kS390_Cntlz64:
82 case kS390_Popcnt32:
83 case kS390_Popcnt64:
84 case kS390_Cmp32:
85 case kS390_Cmp64:
86 case kS390_CmpFloat:
87 case kS390_CmpDouble:
88 case kS390_Tst32:
89 case kS390_Tst64:
90 case kS390_ExtendSignWord8:
91 case kS390_ExtendSignWord16:
92 case kS390_ExtendSignWord32:
93 case kS390_Uint32ToUint64:
94 case kS390_Int64ToInt32:
95 case kS390_Int64ToFloat32:
96 case kS390_Int64ToDouble:
97 case kS390_Uint64ToFloat32:
98 case kS390_Uint64ToDouble:
99 case kS390_Int32ToFloat32:
100 case kS390_Int32ToDouble:
101 case kS390_Uint32ToFloat32:
102 case kS390_Uint32ToDouble:
103 case kS390_Float32ToInt32:
104 case kS390_Float32ToUint32:
105 case kS390_Float32ToUint64:
106 case kS390_Float32ToDouble:
Ben Murdoch61f157c2016-09-16 13:49:30 +0100[diff] [blame]107 case kS390_Float64SilenceNaN:
Ben Murdochda12d292016-06-02 14:46:10 +0100[diff] [blame]108 case kS390_DoubleToInt32:
109 case kS390_DoubleToUint32:
110 case kS390_Float32ToInt64:
111 case kS390_DoubleToInt64:
112 case kS390_DoubleToUint64:
113 case kS390_DoubleToFloat32:
114 case kS390_DoubleExtractLowWord32:
115 case kS390_DoubleExtractHighWord32:
116 case kS390_DoubleInsertLowWord32:
117 case kS390_DoubleInsertHighWord32:
118 case kS390_DoubleConstruct:
119 case kS390_BitcastInt32ToFloat32:
120 case kS390_BitcastFloat32ToInt32:
121 case kS390_BitcastInt64ToDouble:
122 case kS390_BitcastDoubleToInt64:
123 return kNoOpcodeFlags;
124
125 case kS390_LoadWordS8:
126 case kS390_LoadWordU8:
127 case kS390_LoadWordS16:
128 case kS390_LoadWordU16:
129 case kS390_LoadWordS32:
Ben Murdochc5610432016-08-08 18:44:38 +0100[diff] [blame]130 case kS390_LoadWordU32:
Ben Murdochda12d292016-06-02 14:46:10 +0100[diff] [blame]131 case kS390_LoadWord64:
132 case kS390_LoadFloat32:
133 case kS390_LoadDouble:
134 return kIsLoadOperation;
135
136 case kS390_StoreWord8:
137 case kS390_StoreWord16:
138 case kS390_StoreWord32:
139 case kS390_StoreWord64:
140 case kS390_StoreFloat32:
141 case kS390_StoreDouble:
142 case kS390_Push:
143 case kS390_PushFrame:
144 case kS390_StoreToStackSlot:
145 return kHasSideEffect;
146
147#define CASE(Name) case k##Name:
148 COMMON_ARCH_OPCODE_LIST(CASE)
149#undef CASE
150 // Already covered in architecture independent code.
151 UNREACHABLE();
152 }
153
154 UNREACHABLE();
155 return kNoOpcodeFlags;
156}
157
158int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
159 // TODO(all): Add instruction cost modeling.
160 return 1;
161}
162
163} // namespace compiler
164} // namespace internal
165} // namespace v8