src/compiler/ia32/instruction-scheduler-ia32.cc - Issue 1526913002: Revert of [WIP][turbofan] Instruction scheduler for Turbofan.

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Issue 1526913002: Revert of [WIP][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.

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 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:

64 case kSSEFloat64ToInt32:

65 case kSSEFloat64ToUint32:

66 case kSSEInt32ToFloat64:

67 case kSSEUint32ToFloat64:

68 case kSSEFloat64ExtractLowWord32:

69 case kSSEFloat64ExtractHighWord32:

70 case kSSEFloat64InsertLowWord32:

71 case kSSEFloat64InsertHighWord32:

72 case kSSEFloat64LoadLowWord32:

73 case kAVXFloat32Add:

74 case kAVXFloat32Sub:

75 case kAVXFloat32Mul:

76 case kAVXFloat32Div:

77 case kAVXFloat32Max:

78 case kAVXFloat32Min:

79 case kAVXFloat64Add:

80 case kAVXFloat64Sub:

81 case kAVXFloat64Mul:

82 case kAVXFloat64Div:

83 case kAVXFloat64Max:

84 case kAVXFloat64Min:

85 case kAVXFloat64Abs:

86 case kAVXFloat64Neg:

87 case kAVXFloat32Abs:

88 case kAVXFloat32Neg:

89 case kIA32BitcastFI:

90 case kIA32BitcastIF:

91 return (instr->addressing_mode() == kMode_None)

92 ? kNoOpcodeFlags

93 : kIsLoadOperation \| kHasSideEffect;

94

95 case kIA32Movsxbl:

96 case kIA32Movzxbl:

97 case kIA32Movb:

98 case kIA32Movsxwl:

99 case kIA32Movzxwl:

100 case kIA32Movw:

101 case kIA32Movl:

102 case kIA32Movss:

103 case kIA32Movsd:

104 // Moves are used for memory load/store operations.

105 return instr->HasOutput() ? kIsLoadOperation : kHasSideEffect;

106

107 case kIA32StackCheck:

108 return kIsLoadOperation;

109

110 case kIA32Push:

111 case kIA32Poke:

112 return kHasSideEffect;

113

114 #define CASE(Name) case k##Name:

115 COMMON_ARCH_OPCODE_LIST(CASE)

116 #undef CASE

117 // Already covered in architecture independent code.

118 UNREACHABLE();

119 }

120

121 UNREACHABLE();

122 return kNoOpcodeFlags;

123 }

124

125

126 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {

127 // TODO(all): Add instruction cost modeling.

128 return 1;

129 }

130

131 } // namespace compiler

132 } // namespace internal

133 } // namespace v8

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