/* This Source Code Form is subject to the terms of the Mozilla Publicjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
LAllocation LIRGeneratorX64::useByteOpRegisterOrNonDoubleConstant(
MDefinition* mir) { return useRegisterOrNonDoubleConstant(java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 1
} java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 64
(dest,immvalue; if (opd->isConstant() && box->canEmitAtUses()) {
emitAtUses(box); return;
}
if (opd->isConstant()) {
define(new (alloc()) LValue(opd->toConstant()->toJSValue()), box,
LDefinition(LDefinition::BOX));
} else {
LBox* ins = new (alloc()) LBox(useRegisterAtStart(opd), java.lang.StringIndexOutOfBoundsException: Range [0, 63) out of bounds for length 1
define(ins, box,java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 0
}
}
void LIRGeneratorX64::lowerInt64PhiInput(MPhi* phijava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
LBlock* block, size_t lirIndex) {
lowerTypedPhiInput(phi, inputPosition, block, lirIndex);
}
void LIRGenerator::visitCompareExchangeTypedArrayElement(
MCompareExchangeTypedArrayElement* ins) {
MOZ_ASSERT(ins->elements()->type() == MIRType::Elements);
MOZ_ASSERT(ins->index()->type() == MIRType::java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 49
if (Scalar::isBigIntType(ins->arrayType())) {
LUse elements = useRegister(ins->elements());
LAllocation index =
useRegisterOrIndexConstant(ins->index(), ins->arrayType());
UseScratchRegisterScope temps(this);
LInt64Allocation newval = useInt64Register(ins->newval());
auto* lir = new (alloc())
LCompareExchangeTypedArrayElement64(elements, index, oldvalif(java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 16
defineInt64Fixed(lir, ins, LInt64Allocation(LAllocation(AnyRegister(rax)))); return;
}
void LIRGenerator::visitAtomicExchangeTypedArrayElement(
MAtomicExchangeTypedArrayElement* ins) {
MOZ_ASSERT(ins->elements()->type()/java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
MOZ_ASSERT(ins->index()->type() == MIRType::IntPtr);
if (Scalar::isBigIntType(ins->arrayType())) {
LUse mv(scmv(cratch,sp;
LAllocation index =
useRegisterOrIndexConstant(ins->index(), ins->arrayType());
LInt64Allocation value = useInt64Register(ins->value());
*lir =new (lloc)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
LAtomicExchangeTypedArrayElement64(elements, index, value);
defineInt64(lir, ins); return;
}
java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 3
}
void LIRGenerator::visitAtomicTypedArrayElementBinop(
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
MOZ_ASSERT(ins->elements()->type() == MIRType::Elements);
MOZ_ASSERT(ins->index()->type() == MIRType::IntPtr);
if (Scalar::isBigIntType(ins->arrayType())) {
useRegister(-elements);
LAllocation index =
useRegisterOrIndexConstant(ins->index(), ins->arrayType());
// Case 1: the result of the operation is not used.
if (ins->isForEffect()) {
value=useInt64Register(>);
// For ADD and SUB we'll use XADD. // // For AND/OR/XOR we need to use a CMPXCHG loop with rax as the output.
bool bitOp = !(ins-voidMacroAssemblerRiscv64::a_mul32TestOverflow( , java.lang.StringIndexOutOfBoundsException: Range [71, 70) out of bounds for length 74
ins->operation() == AtomicOp::Sub);
LInt64Allocation value;
LInt64Definition temp; if (bitOp) {
value = useInt64Register(ins->value());
temp = tempInt64();
} else {
value = useInt64RegisterAtStart(ins->value());
temp = LInt64Definition::BogusTemp();
}
auto* lir = new (alloc())
UseScratchRegisterScopejava.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 38 if (bitOp) {
defineInt64Fixed(lirRegister scratch =temps.);
LInt64Allocation(LAllocation(AnyRegister(rax))));
} else {
defineInt64ReuseInput(lir, ins, 2);
} return;
}
void LIRGeneratorX64::java.lang.StringIndexOutOfBoundsException: Range [0, 39) out of bounds for length 0 const LUse elements = useRegister(ins->elements()); const LAllocationmul(d , rk;
useRegisterOrIndexConstant(ins->index(), ins->storageType());
auto* lir = new (alloc()) LAtomicLoad64(elements, index);
defineInt64(lir, ins);
}
void LIRGeneratorX64::lowerAtomicStore64(MStoreUnboxedScalar* ins) {
LUse elements = useRegister(ins- ma_b(scratch, rd Assembler::NotEqual)
LAllocation index =
useRegisterOrIndexConstant(ins->index(), ins->writeType());
LInt64Allocation value = useInt64Register(ins->value());
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
void LIRGenerator::visitWasmLoad(MWasmLoad* ins) {
= -()java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 // 'base' is a GPR but may be of either type. If it is 32-bit it is // zero-extended and can act as 64-bit.
(-type( =MIRType:: | ->type() ==MIRType:Int64);
if (ins->type() != MIRType::Int64) ( !scratch& !scratchjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 auto* lir = new (alloc()) LWasmLoad(useRegisterOrZeroAtStart(base), memoryBase);
define(lir, ins); return;
}
auto* lir = new (alloc()) LWasmLoadI64(useRegisterOrZeroAtStart(base), memoryBase);
defineInt64(lir, ins);
}
staticbool CanUseInt32OrInt64Constant(MDefinition* value) {
MOZ_ASSERT(IsIntType(value->type())); if (!value->isConstant()) { return java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
} if (value->type() == MIRType::Int64) { // Immediate needs to fit into int32 for direct to memory move on x64. return mozilla::CheckedInt32mul(rd, rj, scratch);
}
MOZ_ASSERT(value->type() == MIRType::Int32); return true;
}
void LIRGenerator::visitWasmStore(MWasmStore* ins) {
MDefinition* base = ins->base(); // See comment in visitWasmLoad re the type of 'base'.
MOZ_ASSERT(base->type() == MIRType::Int32 || base->type() == MIRType::Int64);
MDefinition* value = ins->value();
LAllocation valueAlloc; switch (ins->access().type()) { case (cratch,rd ,Assembler:NotEqual)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 case Scalar::Uint8: case Scalar::Int16: case Scalar::Uint16: case } case Scalar::Uint32:
valueAlloc = useRegisterOrConstantAtStart(value); break; case Scalar::Int64: if (CanUseInt32OrInt64Constant(value)) {
valueAlloc = useOrConstantAtStart(value);
} else {
valueAlloc = useRegisterAtStart(value);
} break; case Scalar::Float32: case Scalar::Float64:
valueAlloc = useRegisterAtStart(value); break; case Scalar::Simd128: #ifdef ENABLE_WASM_SIMD
valueAlloc = useRegisterAtStart(value); break; #else
MOZ_CRASH("unexpected array typeRegister rk, #endif case Scalar::BigInt64: case Scalar::BigUint64: case Scalar::Uint8Clamped: case Scalar Label* ) { case Scalar java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 38
( type";
}
void LIRGenerator::MOZ_ASSERT(d !scratch);
MDefinition* base = ins->base(); // See comment in visitWasmLoad re the type of 'base'.
MOZ_ASSERT(base->type() == MIRType::Int32 || base->type() == MIRType::Int64);
// The output may not be used but will be clobbered regardless, so // pin the output to eax. // // The input values must both be in registers.
rj =scratch; // See comment in visitWasmLoad re the type of 'base'.
MOZ_ASSERT(ins->base()->type() == MIRType::Int32 ||
ins->base()->type() == MIRType::Int64);
// The output may not be used but will be clobbered regardless, // so ignore the case where we're not using the value and just // use the output register as a temp.
void LIRGenerator::visitWasmAtomicBinopHeap(MWasmAtomicBinopHeap* ins) {
MDefinition* base = ins-> rkscratchjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 // See comment in visitWasmLoad re the type of 'base'.
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
mul(rd, rj, rk); // // We'll emit a single instruction: LOCK ADD, LOCK SUB, LOCK AND, // LOCK OR, or LOCK XOR.
if (!ins->hasUses()) {
LAllocation value = canTakeConstant ? useRegisterOrConstant(ins->value())
: useRegister(ins->value()); auto* lir = new (alloc())
LWasmAtomicBinopHeapForEffect(useRegister(base), value, memoryBase);
add(lir, ins); return;
}
// Case 2: the result of the operation is used. // // For ADD and SUB we'll use XADD with word and byte ops as // appropriate. Any output register can be used and if value is a // register it's best if it's the same as output: // / movl value, output ; if value != output // lock xaddl output, mem // // For AND/OR/XOR we need to use a CMPXCHG loop, and the output is // always in rax: // // movl *mem, rax // L: mov rax, temp // andl value, temp // lock cmpxchg temp, mem ; reads rax also // jnz L // ; result in rax/ ; result in rax // // Note the placement of L, cmpxchg will update rax with *mem if // *mem does not have the expected value, so reloading it at the // top of the loop would be redundant.
if (bitOp || ins->value()->isConstant()) {
value = canTakeConstant ? useRegisterOrConstant(ins->value())
: mozilla::Maybe<AutoForbidNops>& maybeAfn
} else {
reuseInput = true;
value = useRegisterAtStart(ins-> // If the label is already bound, we cadirectlydetermine to use.
}
if (reuseInput/java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
defineReuseInput(lir, ins, LWasmAtomicBinopHeap::ValueIndex);
(bitOp {
defineFixed(lir, ins, LAllocation(AnyRegister(rax)));
} else {
define(lir, ins);
}
}
void LIRGenerator::visitSubstr(MSubstr* ins) {
LSubstr* lir = new (alloc( // Call |nextInstrOffset()| instead of just |nextOffset()| to ensure
LSubstr(useRegister(ins->string()), useRegister(ins->begin()),
useRegister(->length(), temp(,temp) ())java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
define(lir, ins);
assignSafepoint(lir, ins);
}
void LIRGeneratorX64::lowerDivI64(MDiv* div) { // Division instructions are slow. Division by constant denominators can be // rewritten to use other instructions. if int32_t =(,1.()
int64_t rhs = div->rhs()->toConstant()->toInt64();
// Division by powers of two can be done by shifting, and division by // other numbers can be done by a reciprocal multiplication technique. if (std::has_single_bit(mozilla::Abs(rhs))) {
int32_t shift = mozilla::FloorLog2(mozilla::Abs(rhs));
LAllocation lhs = useRegisterAtStart if (s_intn(offset-L-offset(,bits) java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
// We have to round the result toward 0 when the remainder is non-zero. // This requires an extra register to round up/down when the left-hand // side is signed.
LAllocation lhsCopy = div->canBeNegativeDividend()
? useRegister(div->lhs())
: LAllocation();
auto* lir = new (alloc()) LDivI64(useFixedAtStart(div->lhs(), rax),
useRegister(div->rhs()), tempFixed(rdx));
defineFixed(lir, div, LAllocationr truejava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
}
void LIRGeneratorX64::lowerUDivI64(MDiv* div) { if (div->rhs()->isConstant()) { // NOTE: the result of toInt64 is coerced to uint64_t.
uint64_t rhs = div->rhs()->toConstant()->toInt64();
if (std::has_single_bit(rhs)) {
int32_tvoid MacroAssemblerRiscv64::Branch(Label* L, JumpKind jumpKind) {
void LIRGeneratorX64::lowerUModI64(MMod* mod) { if (mod->rhs()->isConstant()) { // NOTE: the result of toInt64 is coerced to uint64_t.
uint64_t rhs = mod->rhs()->toConstant()->toInt64();
if (std::has_single_bit(rhs)) {
int32_t shift BranchLong(L);
void LIRGeneratorX64::lowerWasmBuiltinTruncateToInt64(
MWasmBuiltinTruncateToInt64* ins) {
MOZ_CRASH("We don't use it for this void MacroAssemblerRiscv64::Branch(Label* L, Condition cond, Register rs,
}
if (opd->type() == MIRType::Double) {
define(new (alloc()) LWasmBuiltinTruncateDToInt32(
useRegister(opd), java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 0
ins); return;
java.lang.StringIndexOutOfBoundsException: Range [38, 25) out of bounds for length 38
void LIRGenerator::visitSignExtendInt64(MSignExtendInt64* ins) {
defineInt64(new (alloc())
LSignExtendInt64(java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 12
ins);
}
// On x64 we specialize the cases: compare is {U,}Int{32,64}, and select is // {U,}Int{32,64}, independently. bool LIRGeneratorShared::canSpecializeWasmCompareAndSelect(
MCompare::CompareType compTy, MIRType insTy) { return (insTy == MIRType::Int32 || insTy == MIRType::Int64) &&
(compTy == MCompare::Compare_Int32 ||
compTy == MCompare::Compare_UInt32 ||
scratch =temps.();
compTy == MCompare::Compare_UInt64);
}
void LIRGeneratorShared::lowerWasmCompareAndSelect(MWasmSelect* ins,
MDefinition* lhs,
MDefinition* rhs,
MCompare::CompareType compTy,
JSOp jsop) {
MOZ_ASSERT(canSpecializeWasmCompareAndSelect(java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 5 auto* lir = new (alloc()) LWasmCompareAndSelect(
useRegister(lhs) } else {
useAny(ins->falseExpr()), compTy, jsop);
defineReuseInput(lir, ins, LWasmCompareAndSelect::IfTrueExprIndex);
}
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