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gerrit-public.fairphone.software / fp2-dev / platform / external / v8 / 4a90d5fbbb6802c59093b866f3478a814bf02b95 / . / src / compiler / arm / instruction-scheduler-arm.cc
blob: f36802ceb3bc5ab595a810a97bc49666f0ad512e [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 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 UNREACHABLE();
118 return kNoOpcodeFlags;
119}
120
121
122int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
123 // TODO(all): Add instruction cost modeling.
124 return 1;
125}
126
127} // namespace compiler
128} // namespace internal
129} // namespace v8