Upgrade V8 to 5.1.281.57 DO NOT MERGE
FPIIM-449
Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/src/compiler/s390/instruction-scheduler-s390.cc b/src/compiler/s390/instruction-scheduler-s390.cc
new file mode 100644
index 0000000..2d98e11
--- /dev/null
+++ b/src/compiler/s390/instruction-scheduler-s390.cc
@@ -0,0 +1,163 @@
+// 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 kS390_And:
+ case kS390_AndComplement:
+ case kS390_Or:
+ case kS390_OrComplement:
+ case kS390_Xor:
+ case kS390_ShiftLeft32:
+ case kS390_ShiftLeft64:
+ case kS390_ShiftLeftPair:
+ case kS390_ShiftRight32:
+ case kS390_ShiftRight64:
+ case kS390_ShiftRightPair:
+ case kS390_ShiftRightArith32:
+ case kS390_ShiftRightArith64:
+ case kS390_ShiftRightArithPair:
+ case kS390_RotRight32:
+ case kS390_RotRight64:
+ case kS390_Not:
+ case kS390_RotLeftAndMask32:
+ case kS390_RotLeftAndClear64:
+ case kS390_RotLeftAndClearLeft64:
+ case kS390_RotLeftAndClearRight64:
+ case kS390_Add:
+ case kS390_AddWithOverflow32:
+ case kS390_AddPair:
+ case kS390_AddFloat:
+ case kS390_AddDouble:
+ case kS390_Sub:
+ case kS390_SubWithOverflow32:
+ case kS390_SubPair:
+ case kS390_MulPair:
+ case kS390_SubFloat:
+ case kS390_SubDouble:
+ case kS390_Mul32:
+ case kS390_Mul64:
+ case kS390_MulHigh32:
+ case kS390_MulHighU32:
+ case kS390_MulFloat:
+ case kS390_MulDouble:
+ case kS390_Div32:
+ case kS390_Div64:
+ case kS390_DivU32:
+ case kS390_DivU64:
+ case kS390_DivFloat:
+ case kS390_DivDouble:
+ case kS390_Mod32:
+ case kS390_Mod64:
+ case kS390_ModU32:
+ case kS390_ModU64:
+ case kS390_ModDouble:
+ case kS390_Neg:
+ case kS390_NegDouble:
+ case kS390_SqrtFloat:
+ case kS390_FloorFloat:
+ case kS390_CeilFloat:
+ case kS390_TruncateFloat:
+ case kS390_AbsFloat:
+ case kS390_SqrtDouble:
+ case kS390_FloorDouble:
+ case kS390_CeilDouble:
+ case kS390_TruncateDouble:
+ case kS390_RoundDouble:
+ case kS390_MaxDouble:
+ case kS390_MinDouble:
+ case kS390_AbsDouble:
+ case kS390_Cntlz32:
+ case kS390_Cntlz64:
+ case kS390_Popcnt32:
+ case kS390_Popcnt64:
+ case kS390_Cmp32:
+ case kS390_Cmp64:
+ case kS390_CmpFloat:
+ case kS390_CmpDouble:
+ case kS390_Tst32:
+ case kS390_Tst64:
+ case kS390_ExtendSignWord8:
+ case kS390_ExtendSignWord16:
+ case kS390_ExtendSignWord32:
+ case kS390_Uint32ToUint64:
+ case kS390_Int64ToInt32:
+ case kS390_Int64ToFloat32:
+ case kS390_Int64ToDouble:
+ case kS390_Uint64ToFloat32:
+ case kS390_Uint64ToDouble:
+ case kS390_Int32ToFloat32:
+ case kS390_Int32ToDouble:
+ case kS390_Uint32ToFloat32:
+ case kS390_Uint32ToDouble:
+ case kS390_Float32ToInt32:
+ case kS390_Float32ToUint32:
+ case kS390_Float32ToUint64:
+ case kS390_Float32ToDouble:
+ case kS390_DoubleToInt32:
+ case kS390_DoubleToUint32:
+ case kS390_Float32ToInt64:
+ case kS390_DoubleToInt64:
+ case kS390_DoubleToUint64:
+ case kS390_DoubleToFloat32:
+ case kS390_DoubleExtractLowWord32:
+ case kS390_DoubleExtractHighWord32:
+ case kS390_DoubleInsertLowWord32:
+ case kS390_DoubleInsertHighWord32:
+ case kS390_DoubleConstruct:
+ case kS390_BitcastInt32ToFloat32:
+ case kS390_BitcastFloat32ToInt32:
+ case kS390_BitcastInt64ToDouble:
+ case kS390_BitcastDoubleToInt64:
+ return kNoOpcodeFlags;
+
+ case kS390_LoadWordS8:
+ case kS390_LoadWordU8:
+ case kS390_LoadWordS16:
+ case kS390_LoadWordU16:
+ case kS390_LoadWordS32:
+ case kS390_LoadWord64:
+ case kS390_LoadFloat32:
+ case kS390_LoadDouble:
+ return kIsLoadOperation;
+
+ case kS390_StoreWord8:
+ case kS390_StoreWord16:
+ case kS390_StoreWord32:
+ case kS390_StoreWord64:
+ case kS390_StoreFloat32:
+ case kS390_StoreDouble:
+ case kS390_Push:
+ case kS390_PushFrame:
+ case kS390_StoreToStackSlot:
+ 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