Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/compiler/arm64/instruction-scheduler-arm64.cc b/src/compiler/arm64/instruction-scheduler-arm64.cc
new file mode 100644
index 0000000..eb358dd
--- /dev/null
+++ b/src/compiler/arm64/instruction-scheduler-arm64.cc
@@ -0,0 +1,224 @@
+// Copyright 2014 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 kArm64Add:
+ case kArm64Add32:
+ case kArm64And:
+ case kArm64And32:
+ case kArm64Bic:
+ case kArm64Bic32:
+ case kArm64Clz:
+ case kArm64Clz32:
+ case kArm64Cmp:
+ case kArm64Cmp32:
+ case kArm64Cmn:
+ case kArm64Cmn32:
+ case kArm64Tst:
+ case kArm64Tst32:
+ case kArm64Or:
+ case kArm64Or32:
+ case kArm64Orn:
+ case kArm64Orn32:
+ case kArm64Eor:
+ case kArm64Eor32:
+ case kArm64Eon:
+ case kArm64Eon32:
+ case kArm64Sub:
+ case kArm64Sub32:
+ case kArm64Mul:
+ case kArm64Mul32:
+ case kArm64Smull:
+ case kArm64Umull:
+ case kArm64Madd:
+ case kArm64Madd32:
+ case kArm64Msub:
+ case kArm64Msub32:
+ case kArm64Mneg:
+ case kArm64Mneg32:
+ case kArm64Idiv:
+ case kArm64Idiv32:
+ case kArm64Udiv:
+ case kArm64Udiv32:
+ case kArm64Imod:
+ case kArm64Imod32:
+ case kArm64Umod:
+ case kArm64Umod32:
+ case kArm64Not:
+ case kArm64Not32:
+ case kArm64Lsl:
+ case kArm64Lsl32:
+ case kArm64Lsr:
+ case kArm64Lsr32:
+ case kArm64Asr:
+ case kArm64Asr32:
+ case kArm64Ror:
+ case kArm64Ror32:
+ case kArm64Mov32:
+ case kArm64Sxtb32:
+ case kArm64Sxth32:
+ case kArm64Sxtw:
+ case kArm64Sbfx32:
+ case kArm64Ubfx:
+ case kArm64Ubfx32:
+ case kArm64Ubfiz32:
+ case kArm64Bfi:
+ case kArm64Float32Cmp:
+ case kArm64Float32Add:
+ case kArm64Float32Sub:
+ case kArm64Float32Mul:
+ case kArm64Float32Div:
+ case kArm64Float32Max:
+ case kArm64Float32Min:
+ case kArm64Float32Abs:
+ case kArm64Float32Sqrt:
+ case kArm64Float32RoundDown:
+ case kArm64Float64Cmp:
+ case kArm64Float64Add:
+ case kArm64Float64Sub:
+ case kArm64Float64Mul:
+ case kArm64Float64Div:
+ case kArm64Float64Mod:
+ case kArm64Float64Max:
+ case kArm64Float64Min:
+ case kArm64Float64Abs:
+ case kArm64Float64Neg:
+ case kArm64Float64Sqrt:
+ case kArm64Float64RoundDown:
+ case kArm64Float64RoundTiesAway:
+ case kArm64Float64RoundTruncate:
+ case kArm64Float64RoundTiesEven:
+ case kArm64Float64RoundUp:
+ case kArm64Float32RoundTiesEven:
+ case kArm64Float32RoundTruncate:
+ case kArm64Float32RoundUp:
+ case kArm64Float32ToFloat64:
+ case kArm64Float64ToFloat32:
+ case kArm64Float64ToInt32:
+ case kArm64Float64ToUint32:
+ case kArm64Float32ToInt64:
+ case kArm64Float64ToInt64:
+ case kArm64Float32ToUint64:
+ case kArm64Float64ToUint64:
+ case kArm64Int32ToFloat64:
+ case kArm64Int64ToFloat32:
+ case kArm64Int64ToFloat64:
+ case kArm64Uint32ToFloat64:
+ case kArm64Uint64ToFloat32:
+ case kArm64Uint64ToFloat64:
+ case kArm64Float64ExtractLowWord32:
+ case kArm64Float64ExtractHighWord32:
+ case kArm64Float64InsertLowWord32:
+ case kArm64Float64InsertHighWord32:
+ case kArm64Float64MoveU64:
+ case kArm64U64MoveFloat64:
+ return kNoOpcodeFlags;
+
+ case kArm64TestAndBranch32:
+ case kArm64TestAndBranch:
+ case kArm64CompareAndBranch32:
+ return kIsBlockTerminator;
+
+ case kArm64LdrS:
+ case kArm64LdrD:
+ case kArm64Ldrb:
+ case kArm64Ldrsb:
+ case kArm64Ldrh:
+ case kArm64Ldrsh:
+ case kArm64LdrW:
+ case kArm64Ldr:
+ return kIsLoadOperation;
+
+ case kArm64ClaimForCallArguments:
+ case kArm64Poke:
+ case kArm64PokePair:
+ case kArm64StrS:
+ case kArm64StrD:
+ case kArm64Strb:
+ case kArm64Strh:
+ case kArm64StrW:
+ case kArm64Str:
+ 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) {
+ // Basic latency modeling for arm64 instructions. They have been determined
+ // in an empirical way.
+ switch (instr->arch_opcode()) {
+ case kArm64Float32ToFloat64:
+ case kArm64Float64ToFloat32:
+ case kArm64Float64ToInt32:
+ case kArm64Float64ToUint32:
+ case kArm64Int32ToFloat64:
+ case kArm64Uint32ToFloat64:
+ return 3;
+
+ case kArm64Float64Add:
+ case kArm64Float64Sub:
+ return 2;
+
+ case kArm64Float64Mul:
+ return 3;
+
+ case kArm64Float64Div:
+ return 6;
+
+ case kArm64Lsl:
+ case kArm64Lsl32:
+ case kArm64Lsr:
+ case kArm64Lsr32:
+ case kArm64Asr:
+ case kArm64Asr32:
+ case kArm64Ror:
+ case kArm64Ror32:
+ return 3;
+
+ case kCheckedLoadInt8:
+ case kCheckedLoadUint8:
+ case kCheckedLoadInt16:
+ case kCheckedLoadUint16:
+ case kCheckedLoadWord32:
+ case kCheckedLoadWord64:
+ case kCheckedLoadFloat32:
+ case kCheckedLoadFloat64:
+ case kArm64LdrS:
+ case kArm64LdrD:
+ case kArm64Ldrb:
+ case kArm64Ldrsb:
+ case kArm64Ldrh:
+ case kArm64Ldrsh:
+ case kArm64LdrW:
+ case kArm64Ldr:
+ return 5;
+
+ default:
+ return 1;
+ }
+}
+
+} // namespace compiler
+} // namespace internal
+} // namespace v8