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Commit 4506382d authored by martyn.capewell's avatar martyn.capewell Committed by Commit bot
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ARM64: Add NEON support 

Add assembler, disassembler and simulator support for NEON in the ARM64 backend.

BUG=

Review-Url: https://codereview.chromium.org/2622643005
Cr-Commit-Position: refs/heads/master@{#44306}
parent 04f48a76
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Showing with 30530 additions and 2914 deletions
BUILD.gn
View file @ 4506382d
......@@ -2120,6 +2120,7 @@ v8_source_set("v8_base") {
"src/arm64/macro-assembler-arm64.h",
"src/arm64/simulator-arm64.cc",
"src/arm64/simulator-arm64.h",
"src/arm64/simulator-logic-arm64.cc",
"src/arm64/utils-arm64.cc",
"src/arm64/utils-arm64.h",
"src/compiler/arm64/code-generator-arm64.cc",
......
DEPS
View file @ 4506382d
......@@ -37,6 +37,8 @@ deps = {
Var("chromium_url") + "/external/github.com/tc39/test262.git" + "@" + "975e54de17ede3d8802dd7411181dbbc29147308",
"v8/test/test262/harness":
Var("chromium_url") + "/external/github.com/test262-utils/test262-harness-py.git" + "@" + "0f2acdd882c84cff43b9d60df7574a1901e2cdcd",
"v8/test/cctest/traces-arm64":
"https://git.linaro.org/arm/vixl-simulator-traces.git" + "@" + "6168e7e1eec52c9cb0a62f87f94df0582dc48aa8",
"v8/tools/clang":
Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "5bc7c5efbb948c4f517dcfe026613584fcbfad09",
"v8/test/wasm-js":
......
src/arm64/assembler-arm64-inl.h
View file @ 4506382d
......@@ -57,6 +57,15 @@ inline int CPURegister::SizeInBytes() const {
return reg_size / 8;
}
inline bool CPURegister::Is8Bits() const {
DCHECK(IsValid());
return reg_size == 8;
}
inline bool CPURegister::Is16Bits() const {
DCHECK(IsValid());
return reg_size == 16;
}
inline bool CPURegister::Is32Bits() const {
DCHECK(IsValid());
......@@ -69,9 +78,13 @@ inline bool CPURegister::Is64Bits() const {
return reg_size == 64;
}
inline bool CPURegister::Is128Bits() const {
DCHECK(IsValid());
return reg_size == 128;
}
inline bool CPURegister::IsValid() const {
if (IsValidRegister() || IsValidFPRegister()) {
if (IsValidRegister() || IsValidVRegister()) {
DCHECK(!IsNone());
return true;
} else {
......@@ -87,14 +100,14 @@ inline bool CPURegister::IsValidRegister() const {
((reg_code < kNumberOfRegisters) || (reg_code == kSPRegInternalCode));
}
inline bool CPURegister::IsValidFPRegister() const {
return IsFPRegister() &&
((reg_size == kSRegSizeInBits) || (reg_size == kDRegSizeInBits)) &&
(reg_code < kNumberOfFPRegisters);
inline bool CPURegister::IsValidVRegister() const {
return IsVRegister() &&
((reg_size == kBRegSizeInBits) || (reg_size == kHRegSizeInBits) ||
(reg_size == kSRegSizeInBits) || (reg_size == kDRegSizeInBits) ||
(reg_size == kQRegSizeInBits)) &&
(reg_code < kNumberOfVRegisters);
}
inline bool CPURegister::IsNone() const {
// kNoRegister types should always have size 0 and code 0.
DCHECK((reg_type != kNoRegister) || (reg_code == 0));
......@@ -120,11 +133,7 @@ inline bool CPURegister::IsRegister() const {
return reg_type == kRegister;
}
inline bool CPURegister::IsFPRegister() const {
return reg_type == kFPRegister;
}
inline bool CPURegister::IsVRegister() const { return reg_type == kVRegister; }
inline bool CPURegister::IsSameSizeAndType(const CPURegister& other) const {
return (reg_size == other.reg_size) && (reg_type == other.reg_type);
......@@ -200,7 +209,7 @@ inline Register Register::XRegFromCode(unsigned code) {
if (code == kSPRegInternalCode) {
return csp;
} else {
DCHECK(code < kNumberOfRegisters);
DCHECK_LT(code, static_cast<unsigned>(kNumberOfRegisters));
return Register::Create(code, kXRegSizeInBits);
}
}
......@@ -210,23 +219,40 @@ inline Register Register::WRegFromCode(unsigned code) {
if (code == kSPRegInternalCode) {
return wcsp;
} else {
DCHECK(code < kNumberOfRegisters);
DCHECK_LT(code, static_cast<unsigned>(kNumberOfRegisters));
return Register::Create(code, kWRegSizeInBits);
}
}
inline VRegister VRegister::BRegFromCode(unsigned code) {
DCHECK_LT(code, static_cast<unsigned>(kNumberOfVRegisters));
return VRegister::Create(code, kBRegSizeInBits);
}
inline VRegister VRegister::HRegFromCode(unsigned code) {
DCHECK_LT(code, static_cast<unsigned>(kNumberOfVRegisters));
return VRegister::Create(code, kHRegSizeInBits);
}
inline FPRegister FPRegister::SRegFromCode(unsigned code) {
DCHECK(code < kNumberOfFPRegisters);
return FPRegister::Create(code, kSRegSizeInBits);
inline VRegister VRegister::SRegFromCode(unsigned code) {
DCHECK_LT(code, static_cast<unsigned>(kNumberOfVRegisters));
return VRegister::Create(code, kSRegSizeInBits);
}
inline VRegister VRegister::DRegFromCode(unsigned code) {
DCHECK_LT(code, static_cast<unsigned>(kNumberOfVRegisters));
return VRegister::Create(code, kDRegSizeInBits);
}
inline FPRegister FPRegister::DRegFromCode(unsigned code) {
DCHECK(code < kNumberOfFPRegisters);
return FPRegister::Create(code, kDRegSizeInBits);
inline VRegister VRegister::QRegFromCode(unsigned code) {
DCHECK_LT(code, static_cast<unsigned>(kNumberOfVRegisters));
return VRegister::Create(code, kQRegSizeInBits);
}
inline VRegister VRegister::VRegFromCode(unsigned code) {
DCHECK_LT(code, static_cast<unsigned>(kNumberOfVRegisters));
return VRegister::Create(code, kVRegSizeInBits);
}
inline Register CPURegister::W() const {
DCHECK(IsValidRegister());
......@@ -239,16 +265,34 @@ inline Register CPURegister::X() const {
return Register::XRegFromCode(reg_code);
}
inline VRegister CPURegister::V() const {
DCHECK(IsValidVRegister());
return VRegister::VRegFromCode(reg_code);
}
inline VRegister CPURegister::B() const {
DCHECK(IsValidVRegister());
return VRegister::BRegFromCode(reg_code);
}
inline VRegister CPURegister::H() const {
DCHECK(IsValidVRegister());
return VRegister::HRegFromCode(reg_code);
}
inline FPRegister CPURegister::S() const {
DCHECK(IsValidFPRegister());
return FPRegister::SRegFromCode(reg_code);
inline VRegister CPURegister::S() const {
DCHECK(IsValidVRegister());
return VRegister::SRegFromCode(reg_code);
}
inline VRegister CPURegister::D() const {
DCHECK(IsValidVRegister());
return VRegister::DRegFromCode(reg_code);
}
inline FPRegister CPURegister::D() const {
DCHECK(IsValidFPRegister());
return FPRegister::DRegFromCode(reg_code);
inline VRegister CPURegister::Q() const {
DCHECK(IsValidVRegister());
return VRegister::QRegFromCode(reg_code);
}
......@@ -491,7 +535,7 @@ MemOperand::MemOperand(Register base, const Operand& offset, AddrMode addrmode)
regoffset_ = NoReg;
} else if (offset.IsShiftedRegister()) {
DCHECK(addrmode == Offset);
DCHECK((addrmode == Offset) || (addrmode == PostIndex));
regoffset_ = offset.reg();
shift_ = offset.shift();
......@@ -877,21 +921,20 @@ LoadStoreOp Assembler::LoadOpFor(const CPURegister& rt) {
if (rt.IsRegister()) {
return rt.Is64Bits() ? LDR_x : LDR_w;
} else {
DCHECK(rt.IsFPRegister());
return rt.Is64Bits() ? LDR_d : LDR_s;
}
}
LoadStorePairOp Assembler::LoadPairOpFor(const CPURegister& rt,
const CPURegister& rt2) {
DCHECK(AreSameSizeAndType(rt, rt2));
USE(rt2);
if (rt.IsRegister()) {
return rt.Is64Bits() ? LDP_x : LDP_w;
} else {
DCHECK(rt.IsFPRegister());
return rt.Is64Bits() ? LDP_d : LDP_s;
DCHECK(rt.IsVRegister());
switch (rt.SizeInBits()) {
case kBRegSizeInBits:
return LDR_b;
case kHRegSizeInBits:
return LDR_h;
case kSRegSizeInBits:
return LDR_s;
case kDRegSizeInBits:
return LDR_d;
default:
DCHECK(rt.IsQ());
return LDR_q;
}
}
}
......@@ -901,11 +944,29 @@ LoadStoreOp Assembler::StoreOpFor(const CPURegister& rt) {
if (rt.IsRegister()) {
return rt.Is64Bits() ? STR_x : STR_w;
} else {
DCHECK(rt.IsFPRegister());
return rt.Is64Bits() ? STR_d : STR_s;
DCHECK(rt.IsVRegister());
switch (rt.SizeInBits()) {
case kBRegSizeInBits:
return STR_b;
case kHRegSizeInBits:
return STR_h;
case kSRegSizeInBits:
return STR_s;
case kDRegSizeInBits:
return STR_d;
default:
DCHECK(rt.IsQ());
return STR_q;
}
}
}
LoadStorePairOp Assembler::LoadPairOpFor(const CPURegister& rt,
const CPURegister& rt2) {
DCHECK_EQ(STP_w | LoadStorePairLBit, LDP_w);
return static_cast<LoadStorePairOp>(StorePairOpFor(rt, rt2) |
LoadStorePairLBit);
}
LoadStorePairOp Assembler::StorePairOpFor(const CPURegister& rt,
const CPURegister& rt2) {
......@@ -914,8 +975,16 @@ LoadStorePairOp Assembler::StorePairOpFor(const CPURegister& rt,
if (rt.IsRegister()) {
return rt.Is64Bits() ? STP_x : STP_w;
} else {
DCHECK(rt.IsFPRegister());
return rt.Is64Bits() ? STP_d : STP_s;
DCHECK(rt.IsVRegister());
switch (rt.SizeInBits()) {
case kSRegSizeInBits:
return STP_s;
case kDRegSizeInBits:
return STP_d;
default:
DCHECK(rt.IsQ());
return STP_q;
}
}
}
......@@ -924,7 +993,7 @@ LoadLiteralOp Assembler::LoadLiteralOpFor(const CPURegister& rt) {
if (rt.IsRegister()) {
return rt.Is64Bits() ? LDR_x_lit : LDR_w_lit;
} else {
DCHECK(rt.IsFPRegister());
DCHECK(rt.IsVRegister());
return rt.Is64Bits() ? LDR_d_lit : LDR_s_lit;
}
}
......@@ -1108,9 +1177,8 @@ Instr Assembler::ImmLS(int imm9) {
return truncate_to_int9(imm9) << ImmLS_offset;
}
Instr Assembler::ImmLSPair(int imm7, LSDataSize size) {
DCHECK(((imm7 >> size) << size) == imm7);
Instr Assembler::ImmLSPair(int imm7, unsigned size) {
DCHECK_EQ((imm7 >> size) << size, imm7);
int scaled_imm7 = imm7 >> size;
DCHECK(is_int7(scaled_imm7));
return truncate_to_int7(scaled_imm7) << ImmLSPair_offset;
......@@ -1152,10 +1220,17 @@ Instr Assembler::ImmBarrierType(int imm2) {
return imm2 << ImmBarrierType_offset;
}
LSDataSize Assembler::CalcLSDataSize(LoadStoreOp op) {
DCHECK((SizeLS_offset + SizeLS_width) == (kInstructionSize * 8));
return static_cast<LSDataSize>(op >> SizeLS_offset);
unsigned Assembler::CalcLSDataSize(LoadStoreOp op) {
DCHECK((LSSize_offset + LSSize_width) == (kInstructionSize * 8));
unsigned size = static_cast<Instr>(op >> LSSize_offset);
if ((op & LSVector_mask) != 0) {
// Vector register memory operations encode the access size in the "size"
// and "opc" fields.
if ((size == 0) && ((op & LSOpc_mask) >> LSOpc_offset) >= 2) {
size = kQRegSizeLog2;
}
}
return size;
}
......@@ -1170,11 +1245,7 @@ Instr Assembler::ShiftMoveWide(int shift) {
return shift << ShiftMoveWide_offset;
}
Instr Assembler::FPType(FPRegister fd) {
return fd.Is64Bits() ? FP64 : FP32;
}
Instr Assembler::FPType(VRegister fd) { return fd.Is64Bits() ? FP64 : FP32; }
Instr Assembler::FPScale(unsigned scale) {
DCHECK(is_uint6(scale));
......
src/arm64/assembler-arm64.cc
View file @ 4506382d
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src/arm64/assembler-arm64.h
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src/arm64/code-stubs-arm64.cc
View file @ 4506382d
......@@ -147,8 +147,8 @@ void DoubleToIStub::Generate(MacroAssembler* masm) {
// See call site for description.
static void EmitIdenticalObjectComparison(MacroAssembler* masm, Register left,
Register right, Register scratch,
FPRegister double_scratch,
Label* slow, Condition cond) {
VRegister double_scratch, Label* slow,
Condition cond) {
DCHECK(!AreAliased(left, right, scratch));
Label not_identical, return_equal, heap_number;
Register result = x0;
......@@ -292,12 +292,9 @@ static void EmitStrictTwoHeapObjectCompare(MacroAssembler* masm,
// See call site for description.
static void EmitSmiNonsmiComparison(MacroAssembler* masm,
Register left,
Register right,
FPRegister left_d,
FPRegister right_d,
Label* slow,
static void EmitSmiNonsmiComparison(MacroAssembler* masm, Register left,
Register right, VRegister left_d,
VRegister right_d, Label* slow,
bool strict) {
DCHECK(!AreAliased(left_d, right_d));
DCHECK((left.is(x0) && right.is(x1)) ||
......@@ -476,8 +473,8 @@ void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
// In case 3, we have found out that we were dealing with a number-number
// comparison. The double values of the numbers have been loaded, right into
// rhs_d, left into lhs_d.
FPRegister rhs_d = d0;
FPRegister lhs_d = d1;
VRegister rhs_d = d0;
VRegister lhs_d = d1;
EmitSmiNonsmiComparison(masm, lhs, rhs, lhs_d, rhs_d, &slow, strict());
__ Bind(&both_loaded_as_doubles);
......@@ -613,7 +610,7 @@ void CompareICStub::GenerateGeneric(MacroAssembler* masm) {
void StoreBufferOverflowStub::Generate(MacroAssembler* masm) {
CPURegList saved_regs = kCallerSaved;
CPURegList saved_fp_regs = kCallerSavedFP;
CPURegList saved_fp_regs = kCallerSavedV;
// We don't allow a GC during a store buffer overflow so there is no need to
// store the registers in any particular way, but we do have to store and
......@@ -686,12 +683,12 @@ void MathPowStub::Generate(MacroAssembler* masm) {
Register exponent_integer = MathPowIntegerDescriptor::exponent();
DCHECK(exponent_integer.is(x12));
Register saved_lr = x19;
FPRegister result_double = d0;
FPRegister base_double = d0;
FPRegister exponent_double = d1;
FPRegister base_double_copy = d2;
FPRegister scratch1_double = d6;
FPRegister scratch0_double = d7;
VRegister result_double = d0;
VRegister base_double = d0;
VRegister exponent_double = d1;
VRegister base_double_copy = d2;
VRegister scratch1_double = d6;
VRegister scratch0_double = d7;
// A fast-path for integer exponents.
Label exponent_is_smi, exponent_is_integer;
......@@ -1649,8 +1646,8 @@ void CompareICStub::GenerateNumbers(MacroAssembler* masm) {
Register result = x0;
Register rhs = x0;
Register lhs = x1;
FPRegister rhs_d = d0;
FPRegister lhs_d = d1;
VRegister rhs_d = d0;
VRegister lhs_d = d1;
if (left() == CompareICState::SMI) {
__ JumpIfNotSmi(lhs, &miss);
......@@ -2109,7 +2106,7 @@ RecordWriteStub::RegisterAllocation::RegisterAllocation(Register object,
address_(address),
scratch0_(scratch),
saved_regs_(kCallerSaved),
saved_fp_regs_(kCallerSavedFP) {
saved_fp_regs_(kCallerSavedV) {
DCHECK(!AreAliased(scratch, object, address));
// The SaveCallerSaveRegisters method needs to save caller-saved
......
src/arm64/constants-arm64.h
View file @ 4506382d
This diff is collapsed.
src/arm64/decoder-arm64-inl.h
View file @ 4506382d
......@@ -213,6 +213,11 @@ void Decoder<V>::DecodeLoadStore(Instruction* instr) {
(instr->Bits(27, 24) == 0xC) ||
(instr->Bits(27, 24) == 0xD) );
if ((instr->Bit(28) == 0) && (instr->Bit(29) == 0) && (instr->Bit(26) == 1)) {
DecodeNEONLoadStore(instr);
return;
}
if (instr->Bit(24) == 0) {
if (instr->Bit(28) == 0) {
if (instr->Bit(29) == 0) {
......@@ -226,8 +231,6 @@ void Decoder<V>::DecodeLoadStore(Instruction* instr) {
} else {
V::VisitLoadStoreAcquireRelease(instr);
}
} else {
DecodeAdvSIMDLoadStore(instr);
}
} else {
if ((instr->Bits(31, 30) == 0x3) ||
......@@ -513,16 +516,14 @@ void Decoder<V>::DecodeFP(Instruction* instr) {
(instr->Bits(27, 24) == 0xF) );
if (instr->Bit(28) == 0) {
DecodeAdvSIMDDataProcessing(instr);
DecodeNEONVectorDataProcessing(instr);
} else {
if (instr->Bit(29) == 1) {
if (instr->Bits(31, 30) == 0x3) {
V::VisitUnallocated(instr);
} else if (instr->Bits(31, 30) == 0x1) {
DecodeNEONScalarDataProcessing(instr);
} else {
if (instr->Bits(31, 30) == 0x3) {
V::VisitUnallocated(instr);
} else if (instr->Bits(31, 30) == 0x1) {
DecodeAdvSIMDDataProcessing(instr);
} else {
if (instr->Bit(29) == 0) {
if (instr->Bit(24) == 0) {
if (instr->Bit(21) == 0) {
if ((instr->Bit(23) == 1) ||
......@@ -629,25 +630,190 @@ void Decoder<V>::DecodeFP(Instruction* instr) {
V::VisitFPDataProcessing3Source(instr);
}
}
} else {
V::VisitUnallocated(instr);
}
}
}
}
template<typename V>
void Decoder<V>::DecodeAdvSIMDLoadStore(Instruction* instr) {
// TODO(all): Implement Advanced SIMD load/store instruction decode.
template <typename V>
void Decoder<V>::DecodeNEONLoadStore(Instruction* instr) {
DCHECK(instr->Bits(29, 25) == 0x6);
V::VisitUnimplemented(instr);
if (instr->Bit(31) == 0) {
if ((instr->Bit(24) == 0) && (instr->Bit(21) == 1)) {
V::VisitUnallocated(instr);
return;
}
if (instr->Bit(23) == 0) {
if (instr->Bits(20, 16) == 0) {
if (instr->Bit(24) == 0) {
V::VisitNEONLoadStoreMultiStruct(instr);
} else {
V::VisitNEONLoadStoreSingleStruct(instr);
}
} else {
V::VisitUnallocated(instr);
}
} else {
if (instr->Bit(24) == 0) {
V::VisitNEONLoadStoreMultiStructPostIndex(instr);
} else {
V::VisitNEONLoadStoreSingleStructPostIndex(instr);
}
}
} else {
V::VisitUnallocated(instr);
}
}
template <typename V>
void Decoder<V>::DecodeNEONVectorDataProcessing(Instruction* instr) {
DCHECK(instr->Bits(28, 25) == 0x7);
if (instr->Bit(31) == 0) {
if (instr->Bit(24) == 0) {
if (instr->Bit(21) == 0) {
if (instr->Bit(15) == 0) {
if (instr->Bit(10) == 0) {
if (instr->Bit(29) == 0) {
if (instr->Bit(11) == 0) {
V::VisitNEONTable(instr);
} else {
V::VisitNEONPerm(instr);
}
} else {
V::VisitNEONExtract(instr);
}
} else {
if (instr->Bits(23, 22) == 0) {
V::VisitNEONCopy(instr);
} else {
V::VisitUnallocated(instr);
}
}
} else {
V::VisitUnallocated(instr);
}
} else {
if (instr->Bit(10) == 0) {
if (instr->Bit(11) == 0) {
V::VisitNEON3Different(instr);
} else {
if (instr->Bits(18, 17) == 0) {
if (instr->Bit(20) == 0) {
if (instr->Bit(19) == 0) {
V::VisitNEON2RegMisc(instr);
} else {
if (instr->Bits(30, 29) == 0x2) {
V::VisitUnallocated(instr);
} else {
V::VisitUnallocated(instr);
}
}
} else {
if (instr->Bit(19) == 0) {
V::VisitNEONAcrossLanes(instr);
} else {
V::VisitUnallocated(instr);
}
}
} else {
V::VisitUnallocated(instr);
}
}
} else {
V::VisitNEON3Same(instr);
}
}
} else {
if (instr->Bit(10) == 0) {
V::VisitNEONByIndexedElement(instr);
} else {
if (instr->Bit(23) == 0) {
if (instr->Bits(22, 19) == 0) {
V::VisitNEONModifiedImmediate(instr);
} else {
V::VisitNEONShiftImmediate(instr);
}
} else {
V::VisitUnallocated(instr);
}
}
}
} else {
V::VisitUnallocated(instr);
}
}
template<typename V>
void Decoder<V>::DecodeAdvSIMDDataProcessing(Instruction* instr) {
// TODO(all): Implement Advanced SIMD data processing instruction decode.
DCHECK(instr->Bits(27, 25) == 0x7);
V::VisitUnimplemented(instr);
template <typename V>
void Decoder<V>::DecodeNEONScalarDataProcessing(Instruction* instr) {
DCHECK(instr->Bits(28, 25) == 0xF);
if (instr->Bit(24) == 0) {
if (instr->Bit(21) == 0) {
if (instr->Bit(15) == 0) {
if (instr->Bit(10) == 0) {
if (instr->Bit(29) == 0) {
if (instr->Bit(11) == 0) {
V::VisitUnallocated(instr);
} else {
V::VisitUnallocated(instr);
}
} else {
V::VisitUnallocated(instr);
}
} else {
if (instr->Bits(23, 22) == 0) {
V::VisitNEONScalarCopy(instr);
} else {
V::VisitUnallocated(instr);
}
}
} else {
V::VisitUnallocated(instr);
}
} else {
if (instr->Bit(10) == 0) {
if (instr->Bit(11) == 0) {
V::VisitNEONScalar3Diff(instr);
} else {
if (instr->Bits(18, 17) == 0) {
if (instr->Bit(20) == 0) {
if (instr->Bit(19) == 0) {
V::VisitNEONScalar2RegMisc(instr);
} else {
if (instr->Bit(29) == 0) {
V::VisitUnallocated(instr);
} else {
V::VisitUnallocated(instr);
}
}
} else {
if (instr->Bit(19) == 0) {
V::VisitNEONScalarPairwise(instr);
} else {
V::VisitUnallocated(instr);
}
}
} else {
V::VisitUnallocated(instr);
}
}
} else {
V::VisitNEONScalar3Same(instr);
}
}
} else {
if (instr->Bit(10) == 0) {
V::VisitNEONScalarByIndexedElement(instr);
} else {
if (instr->Bit(23) == 0) {
V::VisitNEONScalarShiftImmediate(instr);
} else {
V::VisitUnallocated(instr);
}
}
}
}
......
src/arm64/decoder-arm64.h
View file @ 4506382d
......@@ -16,50 +16,72 @@ namespace internal {
// List macro containing all visitors needed by the decoder class.
#define VISITOR_LIST(V) \
V(PCRelAddressing) \
V(AddSubImmediate) \
V(LogicalImmediate) \
V(MoveWideImmediate) \
V(Bitfield) \
V(Extract) \
V(UnconditionalBranch) \
V(UnconditionalBranchToRegister) \
V(CompareBranch) \
V(TestBranch) \
V(ConditionalBranch) \
V(System) \
V(Exception) \
V(LoadStorePairPostIndex) \
V(LoadStorePairOffset) \
V(LoadStorePairPreIndex) \
V(LoadLiteral) \
V(LoadStoreUnscaledOffset) \
V(LoadStorePostIndex) \
V(LoadStorePreIndex) \
V(LoadStoreRegisterOffset) \
V(LoadStoreUnsignedOffset) \
V(LoadStoreAcquireRelease) \
V(LogicalShifted) \
V(AddSubShifted) \
V(AddSubExtended) \
V(AddSubWithCarry) \
V(ConditionalCompareRegister) \
V(ConditionalCompareImmediate) \
V(ConditionalSelect) \
V(DataProcessing1Source) \
V(DataProcessing2Source) \
V(DataProcessing3Source) \
V(FPCompare) \
V(FPConditionalCompare) \
V(FPConditionalSelect) \
V(FPImmediate) \
V(FPDataProcessing1Source) \
V(FPDataProcessing2Source) \
V(FPDataProcessing3Source) \
V(FPIntegerConvert) \
V(FPFixedPointConvert) \
V(Unallocated) \
#define VISITOR_LIST(V) \
V(PCRelAddressing) \
V(AddSubImmediate) \
V(LogicalImmediate) \
V(MoveWideImmediate) \
V(Bitfield) \
V(Extract) \
V(UnconditionalBranch) \
V(UnconditionalBranchToRegister) \
V(CompareBranch) \
V(TestBranch) \
V(ConditionalBranch) \
V(System) \
V(Exception) \
V(LoadStorePairPostIndex) \
V(LoadStorePairOffset) \
V(LoadStorePairPreIndex) \
V(LoadLiteral) \
V(LoadStoreUnscaledOffset) \
V(LoadStorePostIndex) \
V(LoadStorePreIndex) \
V(LoadStoreRegisterOffset) \
V(LoadStoreUnsignedOffset) \
V(LoadStoreAcquireRelease) \
V(LogicalShifted) \
V(AddSubShifted) \
V(AddSubExtended) \
V(AddSubWithCarry) \
V(ConditionalCompareRegister) \
V(ConditionalCompareImmediate) \
V(ConditionalSelect) \
V(DataProcessing1Source) \
V(DataProcessing2Source) \
V(DataProcessing3Source) \
V(FPCompare) \
V(FPConditionalCompare) \
V(FPConditionalSelect) \
V(FPImmediate) \
V(FPDataProcessing1Source) \
V(FPDataProcessing2Source) \
V(FPDataProcessing3Source) \
V(FPIntegerConvert) \
V(FPFixedPointConvert) \
V(NEON2RegMisc) \
V(NEON3Different) \
V(NEON3Same) \
V(NEONAcrossLanes) \
V(NEONByIndexedElement) \
V(NEONCopy) \
V(NEONExtract) \
V(NEONLoadStoreMultiStruct) \
V(NEONLoadStoreMultiStructPostIndex) \
V(NEONLoadStoreSingleStruct) \
V(NEONLoadStoreSingleStructPostIndex) \
V(NEONModifiedImmediate) \
V(NEONScalar2RegMisc) \
V(NEONScalar3Diff) \
V(NEONScalar3Same) \
V(NEONScalarByIndexedElement) \
V(NEONScalarCopy) \
V(NEONScalarPairwise) \
V(NEONScalarShiftImmediate) \
V(NEONShiftImmediate) \
V(NEONTable) \
V(NEONPerm) \
V(Unallocated) \
V(Unimplemented)
// The Visitor interface. Disassembler and simulator (and other tools)
......@@ -109,6 +131,8 @@ class DispatchingDecoderVisitor : public DecoderVisitor {
// stored by the decoder.
void RemoveVisitor(DecoderVisitor* visitor);
void VisitNEONShiftImmediate(const Instruction* instr);
#define DECLARE(A) void Visit##A(Instruction* instr);
VISITOR_LIST(DECLARE)
#undef DECLARE
......@@ -173,12 +197,17 @@ class Decoder : public V {
// Decode the Advanced SIMD (NEON) load/store part of the instruction tree,
// and call the corresponding visitors.
// On entry, instruction bits 29:25 = 0x6.
void DecodeAdvSIMDLoadStore(Instruction* instr);
void DecodeNEONLoadStore(Instruction* instr);
// Decode the Advanced SIMD (NEON) data processing part of the instruction
// tree, and call the corresponding visitors.
// On entry, instruction bits 27:25 = 0x7.
void DecodeAdvSIMDDataProcessing(Instruction* instr);
void DecodeNEONVectorDataProcessing(Instruction* instr);
// Decode the Advanced SIMD (NEON) scalar data processing part of the
// instruction tree, and call the corresponding visitors.
// On entry, instruction bits 28:25 = 0xF.
void DecodeNEONScalarDataProcessing(Instruction* instr);
};
......
src/arm64/deoptimizer-arm64.cc
View file @ 4506382d
......@@ -99,13 +99,13 @@ void Deoptimizer::TableEntryGenerator::Generate() {
// Save all allocatable double registers.
CPURegList saved_double_registers(
CPURegister::kFPRegister, kDRegSizeInBits,
CPURegister::kVRegister, kDRegSizeInBits,
RegisterConfiguration::Crankshaft()->allocatable_double_codes_mask());
__ PushCPURegList(saved_double_registers);
// Save all allocatable float registers.
CPURegList saved_float_registers(
CPURegister::kFPRegister, kSRegSizeInBits,
CPURegister::kVRegister, kSRegSizeInBits,
RegisterConfiguration::Crankshaft()->allocatable_float_codes_mask());
__ PushCPURegList(saved_float_registers);
......
src/arm64/disasm-arm64.cc
View file @ 4506382d
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src/arm64/disasm-arm64.h
View file @ 4506382d
......@@ -5,6 +5,7 @@
#ifndef V8_ARM64_DISASM_ARM64_H
#define V8_ARM64_DISASM_ARM64_H
#include "src/arm64/assembler-arm64.h"
#include "src/arm64/decoder-arm64.h"
#include "src/arm64/instructions-arm64.h"
#include "src/globals.h"
......@@ -29,6 +30,13 @@ class DisassemblingDecoder : public DecoderVisitor {
protected:
virtual void ProcessOutput(Instruction* instr);
// Default output functions. The functions below implement a default way of
// printing elements in the disassembly. A sub-class can override these to
// customize the disassembly output.
// Prints the name of a register.
virtual void AppendRegisterNameToOutput(const CPURegister& reg);
void Format(Instruction* instr, const char* mnemonic, const char* format);
void Substitute(Instruction* instr, const char* string);
int SubstituteField(Instruction* instr, const char* format);
......
src/arm64/instructions-arm64.cc
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src/arm64/instructions-arm64.h
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src/arm64/instrument-arm64.cc
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src/arm64/macro-assembler-arm64-inl.h
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src/arm64/macro-assembler-arm64.cc
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src/arm64/macro-assembler-arm64.h
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src/arm64/simulator-arm64.cc
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src/arm64/simulator-arm64.h
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src/arm64/simulator-logic-arm64.cc 0 → 100644
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src/arm64/utils-arm64.cc
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src/arm64/utils-arm64.h
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src/compiler/arm64/code-generator-arm64.cc
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src/compiler/arm64/instruction-selector-arm64.cc
View file @ 4506382d
......@@ -103,13 +103,13 @@ class Arm64OperandGenerator final : public OperandGenerator {
case kArithmeticImm:
return Assembler::IsImmAddSub(value);
case kLoadStoreImm8:
return IsLoadStoreImmediate(value, LSByte);
return IsLoadStoreImmediate(value, 0);
case kLoadStoreImm16:
return IsLoadStoreImmediate(value, LSHalfword);
return IsLoadStoreImmediate(value, 1);
case kLoadStoreImm32:
return IsLoadStoreImmediate(value, LSWord);
return IsLoadStoreImmediate(value, 2);
case kLoadStoreImm64:
return IsLoadStoreImmediate(value, LSDoubleWord);
return IsLoadStoreImmediate(value, 3);
case kNoImmediate:
return false;
case kShift32Imm: // Fall through.
......@@ -130,7 +130,7 @@ class Arm64OperandGenerator final : public OperandGenerator {
}
private:
bool IsLoadStoreImmediate(int64_t value, LSDataSize size) {
bool IsLoadStoreImmediate(int64_t value, unsigned size) {
return Assembler::IsImmLSScaled(value, size) ||
Assembler::IsImmLSUnscaled(value);
}
......
src/crankshaft/arm64/delayed-masm-arm64-inl.h
View file @ 4506382d
......@@ -44,14 +44,12 @@ void DelayedMasm::Mov(const Register& rd,
__ Mov(rd, operand, discard_mode);
}
void DelayedMasm::Fmov(FPRegister fd, FPRegister fn) {
void DelayedMasm::Fmov(VRegister fd, VRegister fn) {
EmitPending();
__ Fmov(fd, fn);
}
void DelayedMasm::Fmov(FPRegister fd, double imm) {
void DelayedMasm::Fmov(VRegister fd, double imm) {
EmitPending();
__ Fmov(fd, imm);
}
......
src/crankshaft/arm64/delayed-masm-arm64.h
View file @ 4506382d
......@@ -61,8 +61,8 @@ class DelayedMasm BASE_EMBEDDED {
inline void Mov(const Register& rd,
const Operand& operand,
DiscardMoveMode discard_mode = kDontDiscardForSameWReg);
inline void Fmov(FPRegister fd, FPRegister fn);
inline void Fmov(FPRegister fd, double imm);
inline void Fmov(VRegister fd, VRegister fn);
inline void Fmov(VRegister fd, double imm);
inline void LoadObject(Register result, Handle<Object> object);
// Instructions which try to merge which the pending instructions.
void StackSlotMove(LOperand* src, LOperand* dst);
......
src/v8.gyp
View file @ 4506382d
......@@ -1470,6 +1470,7 @@
'arm64/macro-assembler-arm64-inl.h',
'arm64/simulator-arm64.cc',
'arm64/simulator-arm64.h',
'arm64/simulator-logic-arm64.cc',
'arm64/utils-arm64.cc',
'arm64/utils-arm64.h',
'arm64/eh-frame-arm64.cc',
......
test/cctest/BUILD.gn
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test/cctest/cctest.gyp
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test/cctest/test-assembler-arm64.cc
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test/cctest/test-disasm-arm64.cc
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test/cctest/test-simulator-neon-arm64.cc 0 → 100644
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test/cctest/test-simulator-neon-inputs-arm64.h 0 → 100644
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test/cctest/test-simulator-neon-traces-arm64.h 0 → 100644
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test/cctest/test-utils-arm64.cc
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test/cctest/test-utils-arm64.h
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