src/compiler/ia32/instruction-scheduler-ia32.cc - Issue 1375253002: [WIP][turbofan] Instruction scheduler for Turbofan.

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Issue 1375253002: [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 int InstructionScheduler::GetTargetInstructionFlags(

	12 const Instruction* instr) const {

	13 switch (instr->arch_opcode()) {

	14 case kIA32Add:

	15 case kIA32And:

	16 case kIA32Cmp:

	17 case kIA32Test:

	18 case kIA32Or:

	19 case kIA32Xor:

	20 case kIA32Sub:

	21 case kIA32Imul:

	22 case kIA32ImulHigh:

	23 case kIA32UmulHigh:

	24 case kIA32Idiv:

	25 case kIA32Udiv:

	26 case kIA32Not:

	27 case kIA32Neg:

	28 case kIA32Shl:

	29 case kIA32Shr:

	30 case kIA32Sar:

	31 case kIA32Ror:

	32 case kIA32Lzcnt:

	33 case kIA32Tzcnt:

	34 case kIA32Popcnt:

	35 case kIA32Lea:

	36 case kSSEFloat32Cmp:

	37 case kSSEFloat32Add:

	38 case kSSEFloat32Sub:

	39 case kSSEFloat32Mul:

	40 case kSSEFloat32Div:

	41 case kSSEFloat32Max:

	42 case kSSEFloat32Min:

	43 case kSSEFloat32Abs:

	44 case kSSEFloat32Neg:

	45 case kSSEFloat32Sqrt:

	46 case kSSEFloat32Round:

	47 case kSSEFloat64Cmp:

	48 case kSSEFloat64Add:

	49 case kSSEFloat64Sub:

	50 case kSSEFloat64Mul:

	51 case kSSEFloat64Div:

	52 case kSSEFloat64Mod:

	53 case kSSEFloat64Max:

	54 case kSSEFloat64Min:

	55 case kSSEFloat64Abs:

	56 case kSSEFloat64Neg:

	57 case kSSEFloat64Sqrt:

	58 case kSSEFloat64Round:

	59 case kSSEFloat32ToFloat64:

	60 case kSSEFloat64ToFloat32:

	61 case kSSEFloat64ToInt32:

	62 case kSSEFloat64ToUint32:

	63 case kSSEInt32ToFloat64:

	64 case kSSEUint32ToFloat64:

	65 case kSSEFloat64ExtractLowWord32:

	66 case kSSEFloat64ExtractHighWord32:

	67 case kSSEFloat64InsertLowWord32:

	68 case kSSEFloat64InsertHighWord32:

	69 case kSSEFloat64LoadLowWord32:

	70 case kAVXFloat32Add:

	71 case kAVXFloat32Sub:

	72 case kAVXFloat32Mul:

	73 case kAVXFloat32Div:

	74 case kAVXFloat32Max:

	75 case kAVXFloat32Min:

	76 case kAVXFloat64Add:

	77 case kAVXFloat64Sub:

	78 case kAVXFloat64Mul:

	79 case kAVXFloat64Div:

	80 case kAVXFloat64Max:

	81 case kAVXFloat64Min:

	82 case kAVXFloat64Abs:

	83 case kAVXFloat64Neg:

	84 case kAVXFloat32Abs:

	85 case kAVXFloat32Neg:

	86 case kIA32BitcastFI:

	87 case kIA32BitcastIF:

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

	89 ? kNoOpcodeFlags

	90 : kIsLoadOperation \| kHasSideEffect;

	91

	92 case kIA32Movsxbl:

	93 case kIA32Movzxbl:

	94 case kIA32Movb:

	95 case kIA32Movsxwl:

	96 case kIA32Movzxwl:

	97 case kIA32Movw:

	98 case kIA32Movl:

	99 case kIA32Movss:

	100 case kIA32Movsd:

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

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

	103

	104 case kIA32StackCheck:

	105 return kIsLoadOperation;

	106

	107 case kIA32Push:

	108 case kIA32Poke:

	109 return kHasSideEffect;

	110

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

	112 COMMON_ARCH_OPCODE_LIST(CASE)

	113 #undef CASE

	114 // Already covered in architecture independent code.

	115 UNREACHABLE();

	116 }

	117 }

	118

	119

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

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

	122 return 1;

	123 }

	124

	125 } // namespace compiler

	126 } // namespace internal

	127 } // namespace v8

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