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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 | |
7 namespace v8 { | |
8 namespace internal { | |
9 namespace compiler { | |
10 | |
11 bool InstructionScheduler::SchedulerSupported() { return true; } | |
12 | |
13 | |
14 int InstructionScheduler::GetTargetInstructionFlags( | |
15 const Instruction* instr) const { | |
16 switch (instr->arch_opcode()) { | |
17 case kArmAdd: | |
18 case kArmAnd: | |
19 case kArmBic: | |
20 case kArmClz: | |
21 case kArmCmp: | |
22 case kArmCmn: | |
23 case kArmTst: | |
24 case kArmTeq: | |
25 case kArmOrr: | |
26 case kArmEor: | |
27 case kArmSub: | |
28 case kArmRsb: | |
29 case kArmMul: | |
30 case kArmMla: | |
31 case kArmMls: | |
32 case kArmSmmul: | |
33 case kArmSmmla: | |
34 case kArmUmull: | |
35 case kArmSdiv: | |
36 case kArmUdiv: | |
37 case kArmMov: | |
38 case kArmMvn: | |
39 case kArmBfc: | |
40 case kArmUbfx: | |
41 case kArmSxtb: | |
42 case kArmSxth: | |
43 case kArmSxtab: | |
44 case kArmSxtah: | |
45 case kArmUxtb: | |
46 case kArmUxth: | |
47 case kArmUxtab: | |
48 case kArmUxtah: | |
49 case kArmVcmpF32: | |
50 case kArmVaddF32: | |
51 case kArmVsubF32: | |
52 case kArmVmulF32: | |
53 case kArmVmlaF32: | |
54 case kArmVmlsF32: | |
55 case kArmVdivF32: | |
56 case kArmVabsF32: | |
57 case kArmVnegF32: | |
58 case kArmVsqrtF32: | |
59 case kArmVcmpF64: | |
60 case kArmVaddF64: | |
61 case kArmVsubF64: | |
62 case kArmVmulF64: | |
63 case kArmVmlaF64: | |
64 case kArmVmlsF64: | |
65 case kArmVdivF64: | |
66 case kArmVmodF64: | |
67 case kArmVabsF64: | |
68 case kArmVnegF64: | |
69 case kArmVsqrtF64: | |
70 case kArmVrintmF32: | |
71 case kArmVrintmF64: | |
72 case kArmVrintpF32: | |
73 case kArmVrintpF64: | |
74 case kArmVrintzF32: | |
75 case kArmVrintzF64: | |
76 case kArmVrintaF64: | |
77 case kArmVrintnF32: | |
78 case kArmVrintnF64: | |
79 case kArmVcvtF32F64: | |
80 case kArmVcvtF64F32: | |
81 case kArmVcvtF64S32: | |
82 case kArmVcvtF64U32: | |
83 case kArmVcvtS32F64: | |
84 case kArmVcvtU32F64: | |
85 case kArmVmovLowU32F64: | |
86 case kArmVmovLowF64U32: | |
87 case kArmVmovHighU32F64: | |
88 case kArmVmovHighF64U32: | |
89 case kArmVmovF64U32U32: | |
90 return kNoOpcodeFlags; | |
91 | |
92 case kArmVldrF32: | |
93 case kArmVldrF64: | |
94 case kArmLdrb: | |
95 case kArmLdrsb: | |
96 case kArmLdrh: | |
97 case kArmLdrsh: | |
98 case kArmLdr: | |
99 return kIsLoadOperation; | |
100 | |
101 case kArmVstrF32: | |
102 case kArmVstrF64: | |
103 case kArmStrb: | |
104 case kArmStrh: | |
105 case kArmStr: | |
106 case kArmPush: | |
107 case kArmPoke: | |
108 return kHasSideEffect; | |
109 | |
110 #define CASE(Name) case k##Name: | |
111 COMMON_ARCH_OPCODE_LIST(CASE) | |
112 #undef CASE | |
113 // Already covered in architecture independent code. | |
114 UNREACHABLE(); | |
115 } | |
116 } | |
117 | |
118 | |
119 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) { | |
120 // TODO(all): Add instruction cost modeling. | |
121 return 1; | |
122 } | |
123 | |
124 } // namespace compiler | |
125 } // namespace internal | |
126 } // namespace v8 | |
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