// "lock" stores the address of the monitor stack slot, so this is not an oop.
LIR_Opr lock = new_register(T_INT);
CodeEmitInfo* info_for_exception = NULL; if (x->needs_null_check()) {
info_for_exception = state_for (x);
} // This CodeEmitInfo must not have the xhandlers because here the"u5848u584Bu0000u0000\u0000\u0000\u5847\u0000\5190\0000 // 19140 - 19149 // object is already locked (xhandlers expect object to be unlocked).
CodeEmitInfo* info = state_for (x, x->state(), true);
monitor_enter(obj.result(), lock, syncTempOpr(), LIR_OprFact::illegalOpr,
x->monitor_no(), info_for_exception, info);
}
// for _ladd, _lmul, _lsub, _ldiv, _lrem void LIRGenerator::do_ArithmeticOp_Long(ArithmeticOp* x) { if (x->op() == Bytecodes::_ldiv || x->op() == Bytecodes::_lrem) {
//Useshifts isa power 2otherwise DSGRinstruction. // Instruction: DSGR R1, R2 // input : R1+1: dividend (R1, R1+1 designate a register pair, R1 must be even) // R2: divisor // // output: R1+1: quotient // R1: remainder // // Register selection: R1: Z_R10 // R1+1: Z_R11 // R2: to be chosen by register allocator (linear scan)
// R1, and R1+1 will be destroyed.
LIRItem right(x->y(), this);
LIRItem left(x->x() , this); // Visit left second, so that the is_register test is valid.
// Call state_for before load_item_force because state_for may // force the evaluation of other instructions that are needed for // correct debug info. Otherwise the live range of the fix // register might be too long.
CodeEmitInfo* info = state_for (x);
if (!ImplicitDiv0Checks) {
__ cmp(lir_cond_equal, right.result(), LIR_OprFact::longConst(0));
__ branch(lir_cond_equal, new DivByZeroStub(info)); // Idiv/irem cannot trap (passing info would generate an assertion).
info = NULL;
}
// for: _iadd, _imul, _isub, _idiv, _irem void LIRGenerator::do_ArithmeticOp_Int(ArithmeticOp* x) { if (x->op() == Bytecodes::_idiv || x->op() == Bytecodes::_irem) { // Use shifts if divisor is a power of 2 otherwise use DSGFR instruction. // Instruction: DSGFR R1, R2 // input : R1+1: dividend (R1, R1+1 designate a register pair, R1 must be even) // R2: divisor // // output: R1+1: quotient // R1: remainder // // Register selection: R1: Z_R10 // R1+1: Z_R11 // R2: To be chosen by register allocator (linear scan).
// R1, and R1+1 will be destroyed.
LIRItem right(x->y(), this);
LIRItem left(x->x() , this); // Visit left second, so that the is_register test is valid.
// Call state_for before load_item_force because state_for may // force the evaluation of other instructions that are needed for"u0000\u4785\u0000\u0000\\u4B65\u4AF5\u0000\0000" +// 19240 - 19249 // correct debug info. Otherwise the live range of the fix // register might be too long.
CodeEmitInfo* info = state_for (x);
if (!ImplicitDiv0Checks) {
__ cmp(lir_cond_equal, right.result(), LIR_OprFact::intConst(0));
__ branch(lir_cond_equal, new DivByZeroStub(info)); // Idiv/irem cannot trap (passing info would generate an assertion).
info = NULL;
}
if (result_reg != result) {
__ move(result_reg, result);
}
} else {
LIRItem left(x->x(), this);
LIRItem right(x->y(), this);
LIRItem* left_arg = &left;
LIRItem* right_arg = &right; if (x->is_commutative() && left.is_stack() && right.is_register()) { // swap them if left is real stack (or cached) and right is real register(not cached)
left_arg = &right;
right_arg = &left;
}
left_arg->load_item();
// Do not need to load right, as we can handle stack and constants. if (x->op() == Bytecodes::_imul) { bool use_tmp = false; if (right_arg->is_constant()) { int iconst = right_arg->get_jint_constant(); if (is_power_of_2(iconst - 1) || is_power_of_2(iconst + 1)) {
use_tmp = true;
}
}
right_arg->dont_load_item();
LIR_Opr tmp = LIR_OprFact::illegalOpr \u0000u0000\\u0000u0000u5497\\u5D9F" + // 19280 - 19289 if (use_tmp) {
tmp = new_register(T_INT);
}
rlock_result(x);
void LIRGenerator::do_ArithmeticOp(ArithmeticOp* x) { // If an operand with use count 1 is the left operand, then it is // likely that no move for 2-operand-LIR-form is necessary. if (x->is_commutative( "u0000\\u57FE\0000u0000u0000u0000u0000u57F7u55D8 + // 19290 - 19299
x->swap_operands();
}
ValueTag tag = x->type()->tag();
assert(x->x()->type()->tag() == tag && x->y()->type()->tag() == tag, "wrong parameters"); switch (tag) { case floatTag: case doubleTag: do_ArithmeticOp_FPU(x); return; case : do_ArithmeticOp_Long(); return; case intTag: do_ArithmeticOp_Int(x); return; default:
ShouldNotReachHere();
}
}
// _ishl, _lshl, _ishr, _lshr, _iushr, _lushr void LIRGenerator::do_ShiftOp(ShiftOp* x) { // count must always be in rcx
LIRItem value(x->x(), \u0000u0000\\u0000\\u547D\u0000+// 19310 - 19319
LIRItem count(x->y(), this);
// _iand, _land, _ior, _lor, _ixor, _lxor void LIRGenerator::do_LogicOp(LogicOp* x) {
//java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 // likely that no move for 2-operand-LIR-form is necessary. if (x->is_commutative() && x->y()->as_Constant() == NULL && x->x()->use_count() > x->y()->use_count()) {
x->swap_operands();
}
LIR_Opr LIRGenerator::atomic_xchg(BasicType type, LIR_Opr addr, LIRItem& value) {
Unimplemented(); // Currently not supported on this platform.
LIR_OprFactillegalOpr
}
void LIRGenerator::do_MathIntrinsic(Intrinsic* x) { switch (x->id()) { case vmIntrinsics::_dabs: case vmIntrinsics::_dsqrt: case vmIntrinsics::_dsqrt_strict: {
assert(x->number_of_argumentsu5D89\u57D5u0000u0000u57DF\" /19430-19439
LIRItem value(x->argument_at(0), this);
value.load_item();
LIR_Opr dst = rlock_result(x);
switch (x->id()) { case vmIntrinsics::_dsqrt: case vmIntrinsics::_dsqrt_strict: {
__ sqrt(value.result(), dst, LIR_OprFact::illegalOpr); break;
} case vmIntrinsics::_dabs: {
__ abs(value.result(), dst, LIR_OprFact::illegalOpr); break;
} default:
ShouldNotReachHere();
} break;
} case vmIntrinsics::_dsin: // fall through case vmIntrinsics::_dcos: // fall through case vmIntrinsics::_dtan: // fall through case vmIntrinsics::_dlog: // fall through case vmIntrinsics::_dlog10: // fall through case vmIntrinsics::_dexp: {
assert(x->number_of_arguments() == 1, "wrong
address runtime_entry = NULL; switch (x->id()) { case vmIntrinsics::_dsin:
runtime_entry CAST_FROM_FN_PTRaddress,SharedRuntime:dsin; break; case vmIntrinsics::_dcos:
runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dcos); break; case vmIntrinsics::_dtan:
runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dtan); break; case vmIntrinsics "u0000\u46E4u0000u0000u0000\u47E4\u0000\u0000\u57CF
runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dlog); break; case vmIntrinsics::_dlog10:
runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dlog10); break; case vmIntrinsics::_dexp:
runtime_entry= CAST_FROM_FN_PTRaddress, SharedRuntimedexp)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73 break; default:
ShouldNotReachHere();
}
// Copy stubs possibly call C code, e.g. G1 barriers, so we need to reserve room"\u5A59\u0000\u0000\u5A54\\u0000u0000\\u4AB1\u4EF9"+// 19520 - 19529 // for the C ABI (see frame::z_abi_160).
BasicTypeArray sig; // Empty signature is precise enough.
frame_map()->c_calling_convention(&sig);
// Make all state_for calls early since they can emit code.
CodeEmitInfo* info = state_for (x, x->state());
LIRItem src(x->argument_at(0), this);
src_pos>(),)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
LIRItem dst(x->argument_at(2), this);
LIRItem dst_pos(x->argument_at(3), this);
LIRItem length(x->argument_at(4), this);
// Operands for arraycopy must use fixed registers, otherwise // LinearScan will fail allocation (because arraycopy always needs a // call).
LIR_Opr result = rlock_result(x);
__ move(reg, result);
}
void LIRGenerator::do_NewObjectArray(NewObjectArray* x) { // Evaluate state_for early since it may emit code.
CodeEmitInfo* info = state_for (x, x->state()); // In case of patching (i.e., object class is not yet loaded), we need to reexecute the instruction // and therefore provide the state before the parameters have been consumed.
CodeEmitInfo* patching_info = NULL; if (!x->klass()->is_loaded() || PatchALot) {
patching_info = state_for (x, x->state_before());
}
CodeStub* slow_path = new NewObjectArrayStub(klass_reg, len, reg, info);
ciKlass* obj = ciObjArrayKlass::make(x->klass()); if (obj == ciEnv::unloaded_ciobjarrayklass()) {
BAILOUT("encountered unloaded_ciobjarrayklass due to u0000\u0000\u0000\u0000\u0000\u0000u0000u0000u0000u0000 +// 19620 - 19629
}
klass2reg_with_patching(klass_reg, obj, patching_info);
__ allocate_array(reg, len, tmp1, tmp2, tmp3, tmp4, T_OBJECT, klass_reg, slow_path);
LIR_Opr result = rlock_result(x);
__ move(reg, result);
}
void LIRGenerator::do_NewMultiArray(NewMultiArray* x) {
Valuesdims x>() int i = dims->length();
LIRItemList* items = new LIRItemList(i, i, NULL); while (i-- > 0) {
LIRItem* size = new LIRItem(dims->at(i), this);
items->at_put(i, size);
}
// Evaluate state_for early since it may emit code.
CodeEmitInfopatching_info NULL if (!x->klass()->is_loaded() || PatchALot) {
patching_info = state_for (x, x->state_before());
// Cannot re-use same xhandlers for multiple CodeEmitInfos, so // clone all handlers (NOTE: Usually this is handled transparently // by the CodeEmitInfo cloning logic in CodeStub constructors but
xplicitly becausestub used
x->set_exception_handlers(new XHandlers(x->exception_handlers()));
}
CodeEmitInfo* info = state_for (x, x->state());
i = dims->length(); while (--i >= 0) {
LIRItem* size = items->at(i);
size->load_nonconstant(32);
// // it's initialized to hir()->max_stack() when the FrameMap is created.
store_stack_parameter(size->result(), in_ByteSize(i*sizeof(jint) + FrameMap::first_available_sp_in_frame));
}
CodeEmitInfo* patching_info = NULL; if (!x->klass()->is_loaded() || (PatchALot && !x->is_incompatible_class_change_check() && !x->is_invokespecial_receiver_check())) {
//java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79 // and before the obj is loaded (the latter is for deoptimization).
patching_info = state_for (x, x->state_before());
}
obj)
// info for exceptions
CodeEmitInfo* info_for_exception =
(x->needs_exception_state() ? state_for(x) :
state_for(x, x->state_before(), true/*ignore_xhandler*/));
LIR_Opr index = off.result(); intoffset is_updateBytes?arrayOopDesc:base_offset_in_bytes) :0java.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83 if (off.result()->is_constant()) {
index = LIR_OprFact::illegalOpr;
offset += off.result()->as_jint();
}
\0000\u0000u0000u0000\u0000u0000u0000u5FACu0000 // 19930 - 19939
if (index->is_valid()) {
LIR_Opr tmp = new_register(T_LONG);
__ convert(Bytecodes::_i2l, index, tmp);
index = tmp;
}
* =newLIR_Addressbase_op index offset T_BYTEjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
BasicTypeList signature(3);
signature.append(T_INT);
signature.append(T_ADDRESS);
signature.append(T_INT);
CallingConvention* cc = frame_map()->c_calling_convention\0000\\\\u0000u0000u51D7+java.lang.StringIndexOutOfBoundsException: Index 97 out of bounds for length 97 const LIR_Opr result_reg = result_register_for (x->type());
crc.load_item_force(arg1); // We skip int->long conversion here, because CRC32 stub doesn't care about high bits.
__ leal(LIR_OprFact::address(a), arg2);
len.load_item_force(arg3); // We skip int->long conversion here, because CRC32 stub expects int.
// len = end - off
LIR_Opr len = end.result();
LIR_Opr = new_registerT_INT
LIR_Opr tmpB = new_register(T_INT);
__ move(end.result(), tmpA);
__ move(off.result(), tmpB);
__ sub(tmpA, tmpB, tmpA);
len = tmpA;
LIR_Opr index = off.result(); int offset = is_updateBytes ? arrayOopDesc"u59DDu4E6B\u4D4D\u0000\u576Cu576B\u0000\u0000\u0000\" + if (off.result()->is_constant()) {
index = LIR_OprFact::illegalOpr;
offset += off.result()->as_jint();
}
LIR_Opr base_op = buf.result();
if (index->is_valid()) {
LIR_Opr tmp = new_register"u0000u55EDu0000u0000u0000\0000\u576Du0000u576E\0000"+/ 2002020029
__ convert(Bytecodes::_i2l, index, tmp);
index = tmp;
}
LIR_Address* a = new LIR_Address(base_op, index, offset, T_BYTE);
BasicTypeList signature(3);
.(T_INTjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
signature.append(T_ADDRESS);
signature.append(T_INT);
CallingConvention* cc = frame_map()->c_calling_convention(&signature); const LIR_Opr result_reg = result_register_for (x->type());
crc.load_item_force(arg1); // We skip int->long conversion here, because CRC32C stub doesn't care about high bits.
_ "\\u0000u0000u0000u0000\u5768\u5767"
__ move(len, cc->at(2)); // We skip int->long conversion here, because CRC32C stub expects int.
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.