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gerrit-public.fairphone.software / fp2-dev / platform / external / v8 / 097c5b25f8b57b92e6c94f25383a883ff242344f / . / src / compiler / ia32 / instruction-scheduler-ia32.cc
blob: 093bc22268dfe247c6371d5deeb355c6fd63dd7a [file] [log] [blame]
Ben Murdoch4a90d5f2016-03-22 12:00:34 +0000[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
13
14int InstructionScheduler::GetTargetInstructionFlags(
15 const Instruction* instr) const {
16 switch (instr->arch_opcode()) {
17 case kIA32Add:
18 case kIA32And:
19 case kIA32Cmp:
20 case kIA32Test:
21 case kIA32Or:
22 case kIA32Xor:
23 case kIA32Sub:
24 case kIA32Imul:
25 case kIA32ImulHigh:
26 case kIA32UmulHigh:
27 case kIA32Idiv:
28 case kIA32Udiv:
29 case kIA32Not:
30 case kIA32Neg:
31 case kIA32Shl:
32 case kIA32Shr:
33 case kIA32Sar:
34 case kIA32Ror:
35 case kIA32Lzcnt:
36 case kIA32Tzcnt:
37 case kIA32Popcnt:
38 case kIA32Lea:
39 case kSSEFloat32Cmp:
40 case kSSEFloat32Add:
41 case kSSEFloat32Sub:
42 case kSSEFloat32Mul:
43 case kSSEFloat32Div:
44 case kSSEFloat32Max:
45 case kSSEFloat32Min:
46 case kSSEFloat32Abs:
47 case kSSEFloat32Neg:
48 case kSSEFloat32Sqrt:
49 case kSSEFloat32Round:
50 case kSSEFloat64Cmp:
51 case kSSEFloat64Add:
52 case kSSEFloat64Sub:
53 case kSSEFloat64Mul:
54 case kSSEFloat64Div:
55 case kSSEFloat64Mod:
56 case kSSEFloat64Max:
57 case kSSEFloat64Min:
58 case kSSEFloat64Abs:
59 case kSSEFloat64Neg:
60 case kSSEFloat64Sqrt:
61 case kSSEFloat64Round:
62 case kSSEFloat32ToFloat64:
63 case kSSEFloat64ToFloat32:
Ben Murdoch097c5b22016-05-18 11:27:45 +0100[diff] [blame^]64 case kSSEFloat32ToInt32:
65 case kSSEFloat32ToUint32:
Ben Murdoch4a90d5f2016-03-22 12:00:34 +0000[diff] [blame]66 case kSSEFloat64ToInt32:
67 case kSSEFloat64ToUint32:
Ben Murdoch097c5b22016-05-18 11:27:45 +0100[diff] [blame^]68 case kSSEInt32ToFloat32:
69 case kSSEUint32ToFloat32:
Ben Murdoch4a90d5f2016-03-22 12:00:34 +0000[diff] [blame]70 case kSSEInt32ToFloat64:
71 case kSSEUint32ToFloat64:
72 case kSSEFloat64ExtractLowWord32:
73 case kSSEFloat64ExtractHighWord32:
74 case kSSEFloat64InsertLowWord32:
75 case kSSEFloat64InsertHighWord32:
76 case kSSEFloat64LoadLowWord32:
77 case kAVXFloat32Add:
78 case kAVXFloat32Sub:
79 case kAVXFloat32Mul:
80 case kAVXFloat32Div:
81 case kAVXFloat32Max:
82 case kAVXFloat32Min:
83 case kAVXFloat64Add:
84 case kAVXFloat64Sub:
85 case kAVXFloat64Mul:
86 case kAVXFloat64Div:
87 case kAVXFloat64Max:
88 case kAVXFloat64Min:
89 case kAVXFloat64Abs:
90 case kAVXFloat64Neg:
91 case kAVXFloat32Abs:
92 case kAVXFloat32Neg:
93 case kIA32BitcastFI:
94 case kIA32BitcastIF:
95 return (instr->addressing_mode() == kMode_None)
96 ? kNoOpcodeFlags
97 : kIsLoadOperation | kHasSideEffect;
98
99 case kIA32Movsxbl:
100 case kIA32Movzxbl:
101 case kIA32Movb:
102 case kIA32Movsxwl:
103 case kIA32Movzxwl:
104 case kIA32Movw:
105 case kIA32Movl:
106 case kIA32Movss:
107 case kIA32Movsd:
108 // Moves are used for memory load/store operations.
109 return instr->HasOutput() ? kIsLoadOperation : kHasSideEffect;
110
111 case kIA32StackCheck:
112 return kIsLoadOperation;
113
114 case kIA32Push:
115 case kIA32PushFloat32:
116 case kIA32PushFloat64:
117 case kIA32Poke:
118 return kHasSideEffect;
119
120#define CASE(Name) case k##Name:
121 COMMON_ARCH_OPCODE_LIST(CASE)
122#undef CASE
123 // Already covered in architecture independent code.
124 UNREACHABLE();
125 }
126
127 UNREACHABLE();
128 return kNoOpcodeFlags;
129}
130
131
132int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
133 // TODO(all): Add instruction cost modeling.
134 return 1;
135}
136
137} // namespace compiler
138} // namespace internal
139} // namespace v8