src/compiler/ia32/instruction-scheduler-ia32.cc - Issue 1526913003: Reland "[turbofan] Instruction scheduler for Turbofan."

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Issue 1526913003: Reland "[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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