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Unified Diff: src/compiler/ia32/instruction-scheduler-ia32.cc

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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Index: src/compiler/ia32/instruction-scheduler-ia32.cc
diff --git a/src/compiler/ia32/instruction-scheduler-ia32.cc b/src/compiler/ia32/instruction-scheduler-ia32.cc
deleted file mode 100644
index 27c1e389a6b587c7e44eebcaa2aa85a0daaed5ad..0000000000000000000000000000000000000000
--- a/src/compiler/ia32/instruction-scheduler-ia32.cc
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright 2015 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/compiler/instruction-scheduler.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-bool InstructionScheduler::SchedulerSupported() { return true; }
-
-
-int InstructionScheduler::GetTargetInstructionFlags(
- const Instruction* instr) const {
- switch (instr->arch_opcode()) {
- case kIA32Add:
- case kIA32And:
- case kIA32Cmp:
- case kIA32Test:
- case kIA32Or:
- case kIA32Xor:
- case kIA32Sub:
- case kIA32Imul:
- case kIA32ImulHigh:
- case kIA32UmulHigh:
- case kIA32Idiv:
- case kIA32Udiv:
- case kIA32Not:
- case kIA32Neg:
- case kIA32Shl:
- case kIA32Shr:
- case kIA32Sar:
- case kIA32Ror:
- case kIA32Lzcnt:
- case kIA32Tzcnt:
- case kIA32Popcnt:
- case kIA32Lea:
- case kSSEFloat32Cmp:
- case kSSEFloat32Add:
- case kSSEFloat32Sub:
- case kSSEFloat32Mul:
- case kSSEFloat32Div:
- case kSSEFloat32Max:
- case kSSEFloat32Min:
- case kSSEFloat32Abs:
- case kSSEFloat32Neg:
- case kSSEFloat32Sqrt:
- case kSSEFloat32Round:
- case kSSEFloat64Cmp:
- case kSSEFloat64Add:
- case kSSEFloat64Sub:
- case kSSEFloat64Mul:
- case kSSEFloat64Div:
- case kSSEFloat64Mod:
- case kSSEFloat64Max:
- case kSSEFloat64Min:
- case kSSEFloat64Abs:
- case kSSEFloat64Neg:
- case kSSEFloat64Sqrt:
- case kSSEFloat64Round:
- case kSSEFloat32ToFloat64:
- case kSSEFloat64ToFloat32:
- case kSSEFloat64ToInt32:
- case kSSEFloat64ToUint32:
- case kSSEInt32ToFloat64:
- case kSSEUint32ToFloat64:
- case kSSEFloat64ExtractLowWord32:
- case kSSEFloat64ExtractHighWord32:
- case kSSEFloat64InsertLowWord32:
- case kSSEFloat64InsertHighWord32:
- case kSSEFloat64LoadLowWord32:
- case kAVXFloat32Add:
- case kAVXFloat32Sub:
- case kAVXFloat32Mul:
- case kAVXFloat32Div:
- case kAVXFloat32Max:
- case kAVXFloat32Min:
- case kAVXFloat64Add:
- case kAVXFloat64Sub:
- case kAVXFloat64Mul:
- case kAVXFloat64Div:
- case kAVXFloat64Max:
- case kAVXFloat64Min:
- case kAVXFloat64Abs:
- case kAVXFloat64Neg:
- case kAVXFloat32Abs:
- case kAVXFloat32Neg:
- case kIA32BitcastFI:
- case kIA32BitcastIF:
- return (instr->addressing_mode() == kMode_None)
- ? kNoOpcodeFlags
- : kIsLoadOperation | kHasSideEffect;
-
- case kIA32Movsxbl:
- case kIA32Movzxbl:
- case kIA32Movb:
- case kIA32Movsxwl:
- case kIA32Movzxwl:
- case kIA32Movw:
- case kIA32Movl:
- case kIA32Movss:
- case kIA32Movsd:
- // Moves are used for memory load/store operations.
- return instr->HasOutput() ? kIsLoadOperation : kHasSideEffect;
-
- case kIA32StackCheck:
- return kIsLoadOperation;
-
- case kIA32Push:
- case kIA32Poke:
- return kHasSideEffect;
-
-#define CASE(Name) case k##Name:
- COMMON_ARCH_OPCODE_LIST(CASE)
-#undef CASE
- // Already covered in architecture independent code.
- UNREACHABLE();
- }
-
- UNREACHABLE();
- return kNoOpcodeFlags;
-}
-
-
-int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
- // TODO(all): Add instruction cost modeling.
- return 1;
-}
-
-} // namespace compiler
-} // namespace internal
-} // namespace v8
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