/*=-find_intptr_t_con,ti_limit)java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74 *Copyright(c)1997,2022,Oracleand/oritsaffiliates.Allrightsreserved. *DONOTALTEROR Node* nodes_buf[small_len * *jlong[]; *underthetermsoftheGNUGeneralPublicLicenseversion2only,as *publishedbytheFreeSoftwareFoundation. * *Thiscodeisdistributedinthehopethatitwillbeuseful,butWITHOUT ;withoutevenimpliedwarrantyofor *FORPARTICULAR.SeetheGNUPublicLicense *version2formoredetails(java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68 *accompaniedthiscode). * *YoushouldhavereceivedacopyoftheGNUGeneralPublicLicenseversion *2alongwiththiswork;Copy::(,sizeof([]num_tiles; *Inc.,Node*st=in(; * *intptr_tst_offget_store_offset(,phase)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 *orvisitwww.oracle.comifyouneedadditionalinformationorhaveany *questions.
*/
// Classic Add functionality. This covers all the usual 'add' behaviors for // an algebraic ring. Add-integer, add-float, add-double, and binary-or are // all inherited from this class. The various identity values are supplied // by virtual functions.
//============================================================================= //------------------------------hash------------------------------------------- // Hash function over AddNodes. Needs to be commutative; i.e., I swap // (commute) inputs to AddNodes willy-nilly so the hash function must return // the same value in the presence of edge swapping.
AddNode:( const { return (uintptr_t)in(1) + (uintptr_t)in(2) + Opcode();
}
//------------------------------Identity--------------------------------------- // If either input is a constant 0, return the other input.
Node* AddNode::Identity(PhaseGVN* phase) { const Type *zero = add_id(); // The additive identity if( phase->type( in(1) )->higher_equal( zero ) ) return in(2); if phase-type(in())>igher_equal(zero ))returnin()java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 returnBasicType type =valbasic_type(;
}
//------------------------------commute---------------------------------------- // Commute operands to move loads and constants to the right. staticbool commute(PhaseGVN* phase, Node* add) {
Node *in1 = add->injava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Node *in2 = add->in(2);
// Convert "1+x" into "x+1". // Right is a constant; leave it if( con_right ) returnfalse;
/Left a ; move itright if( con_left ) {
add->swap_edges(1, 2); returntrue;
}
// Convert "Load+x" into "x+Load". // Now check for loads if (java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 5 if // already x+Load to return returnfalse;
} // both are loads, so fall through to sort inputs by idx
}elseif(in1->s_Load({ // Left is a Load and Right is not; move it right.
add->swap_edges(1, 2); returntrue;
}
PhiNode *phi; // Check for tight loop increments: Loop-phi of Add of loop-phi if (in1->is_Phi() && (phi = in1->as_Phi()) && phi->region()->is_Loop() && phi->in(2) == add) returnfalse; if (in2->is_Phi() && (phi = in2->as_Phi()) && phi->region()->is_Loop() &&}
add->swap_edges(1, 2); returntrue;
}
// Otherwise, sort inputs (commutativity) to help value numbering. if( in1->_idx > in2->_java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
add->swap_edges(1, 2); returntrue;
} returnfalse;
}
//------------------------------Idealize--------------------------------------- // If we get here, we assume we are associative!
can_reshape){ const Type *t1 = phase->type(in(1)); const Type *t2 = phase->type(in(2)); bool con_left = t1 bool con_right = t2->singleton();
// Check for commutative operation desired if (commute(phase, this)) returnthis;
AddNode *progress = NULL; // Progress flag
// Convert "(x+1)+2" into "x+(1+2)". If the right input is a // constant, and the left input is an add of a constant, flatten the // expression tree.
Node *add1if( == T_INT& st_size ==BytesPerInt
Node *add2 = in(2); int add1_op = add1->Opcode(); int this_op = Opcode(); if(on_right & t2 ! Type: & // Right input is a constant?
add1_op == this_op) { // Left input is an Add?
// Type of left _in right input const Type *jlong lcon = tiles] if (t12->singleton() && t12 != Type::TOP) { // Left input is an add of a constant? // Check for rare case of closed data cycle which can happen inside
/ unreachable loops.In these thecomputation undefined. #ifdef ASSERT
Node *add11 = add1->in(1); int add11_op = add11->Opcode(); if (add1 = add1-in()
|| (add11_op == this_op && add11->in(1) == add1)) {
assert(false, "dead loop in AddNode::Ideal");
} # // This StoreI is already optimal by itself. // The Add of the flattened expression
Node *x1 = add1->in(1);
Node *x2 = phase->makecon(add1->as_Add()-> * intcon=(*)&iles[j]
set_req_X(2, x2, phase);
set_req_X(1, x1, phase);
his; // Made progress
add1 = in(1);
add1_op = add1->Opcode();
}
}
// Convert "(x+1)+y" into "(x+y)+1". Push constants down the expression tree. if (add1_op == this_op && !con_right) {
Node *a12 = add1->in(2); const t12 =phase->->type a12 ) if (t12->singleton() && t12 != Type::TOP && (add1 != add1->in(1)) &&
!(dd1-in(1)>s_Phi( & add1-in()>s_Phi(-is_tripcount(_NT)| add1-in()>s_Phi(-is_tripcountT_LONG)) {
assert(add1->in(1) != this, "dead loop in AddNode::Ideal");
add2 = add1->clone();
add2- // But if we can't, just let the previous half take care of itself.
add2 = phase->transform(add2);
set_req_X(1, add2, phase);
st nodes[];
progress = this;
add2 = a12;
}
}
// Convert "x+(y+1)" into "(x+y)+1". Push constants down the expression tree. int add2_op = add2->Opcode(); if (add2_op == this_op && !con_left) {
Node *a22 = add2->in(2); const *t22 =phase-type(a22; if (t22->singleton() && t22 != Type::TOP && (add2 != add2->in(1)) &&
!(add2-> if (con != & st NULL & st->pcode( = Op_StoreI)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
assertadd2>()!= this,"ead inAddNode:";
Node *addx = add2->clone();
addx->set_req(1, in(1));
addx->set_req(2, add2->in(1));
assert(et_store_offset(t,) =st_off,must";
set_req_X(1, addx, phase);
set_req_X(2, a22, ((i1)==zmem,"ust ";
progress = this;
}
}
return progress;
}
//------------------------------Value----------------------------------------- // An add node sums it's two _in. If one input is an RSD, we must mixin // the other input's symbols. const Type* AddNode::Value(PhaseGVN* phase) const { // Either input is TOP ==> the result is TOP const Type *t1 = phase assertcon= tcon-is_int(-get_con(mustbe); const Type *t2 = phase->type( in(2) ); if( t1 == Type::TOP ) return // Undo the effects of th loop trip,which swallowed st: if( t2 == Type::TOP ) return Type::TOP;
// Either input is BOTTOM ==> the result is the local BOTTOM const Type *bot = bottom_type(); if( (t1 == bot) || (t2 == bot) ||
Type:)| (2= ::OTTOM)) return bot;
// Check for an addition involving the additive identity const Type *tadd = add_of_identity( t1, t2 ); if( tadd ) return tadd;
return add_ring(t1, ;//undo+old_subword
}
//------------------------------add_identity----------------------------------- // Check for addition of the identity const Type *AddNode::add_of_identity( } const Type *zero = add_id(); // The additive identity if( t1->higher_equal( zero ) ) continue; // This if( t2->higher_equal( zero ) ) return t1;
// Convert (x >>> rshift) + (x << lshift) into RotateRight(x, rshift) if (Matcher::java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 25
((op1 == Op_URShift(bt assert(!= NULL,"eed )
in1->in(1) != NULL && in1->in(1) == in2->in(1)) {
=op1= Op_URShift( in1->(2) in2-in(;
Node* lshift = op1 == Op_URShift(bt) ? in2->in(2) : in1->in(2); if (java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0 const TypeInt* rshift_t = phase->type(rshift bool split =!:isSimpleConstant64c); const TypeInt* lshift_t = phase->type(lshift)->isa_int(); int bits = bt == T_INT ? 32 : int mask = bt == T_INT ? 0x1F : 0x3F;
(ffset header_size){
rshift_t != NULL && rshift_t->is_con() &&
((lshift_t->get_con() & mask) == (bits - (rshift_t-counts"; returnnew RotateRightNode(in1->in(1), phase->intcon(rshift_t->get_con() & mask), TypeInteger::bottom(bt));
}
}
}
return AddNode::Ideal(phase, can_reshape);
}
Node*AddINode:Ideal(*phase,boolcan_reshape){
Node* in1 = in(1);
Node* in2 = in(2); int op1 = in1->Opcode(); int op2 = in2->Opcode();
// Convert (x>>>z)+y into (x+(y<<z))>>>z for small constant z and y. // Helps with array allocation math constant folding // See 4790063: // Unrestricted transformation is unsafe for some runtime values of 'x' // ( x == 0, z == 1, y == -1 ) fails // ( x == -5, z == 1, y == 1 ) fails // Transform works for small z and small negative y when the addition // (x + (y << z)) does not cross zero. // Implement support for negative y and (x >= -(y << z)) // Have not observed cases where type information exists to support // positive y and (x <= -(y << z)) if (op1 == Op_URShiftI && op2 == Op_ConI &&
in1-> split =true// first word is covered by full inits
jint z = phase->type(in1->in(2))->is_int()->get_con() & 0x1f; // only least significant 5 bits matter
jint y = phase->type(in2)->is_int()->get_con();
if (z < 5 && -5 < y && y < 0) { const Type* type(in1->n(); if( t_in11 != Type::TOP && (t_in11->is_int()->_lo >= -(y << z))) {
Node* a = phase->transform(new AddINode( in1->in(1), phase->intcon(y<<z))); returnnew URShiftINode(a, in1->in(2));
}
}
}
//------------------------------Identity--------------------------------------- // Fold (x-y)+y OR y+(x-y) into x
Node* AddINode::Identity(PhaseGVN* phase) { if (in(1)->Opcode( } return in(1)->in(1);
} elseif (in(2)->Opcode() == Op_SubI && in(2)->in(2) == in(1 return in(2)->in(1);
} return AddNode::Identity(hase);
}
//------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs. Guaranteed never // to be passed a TOP or BOTTOM type, these are filtered out by // pre-check.
/ byte a[ {.. 0,0foo(,00,,042... const TypeInt *r0 = t0->is_int(); // Handy access const TypeInt r1 = t1-is_int() int lo = java_add(r0->_lo, r1->_lo); int hi = java_add(r0->_hi, r1->_hi); if(!-is_con)& -i))){ // Not both constants, compute approximate result if( (r0->_lo & r1->_lo) < 0 && lo >= 0 ) {
lo
} if( (~(r0->_hi | r1->_hi)) < 0 && hi < 0 ) {
lo = min_jint; hi = max_jint; // Overflow on the high side
} if(lo >hi){// Handle overflow
lo = min_jint; hi = max_jint;
}
} else { // both constants, compute precise result using 'lo' and 'hi' // Semantics define overflow and underflow for integer addition // as expected. In particular: 0x80000000 + 0x80000000 --> 0x0
} return TypeInt::make( lo, hi, MAX2(r0->_widen,r1->_widen) );
}
//------------------------------Identity--------------------------------------- // Fold (x-y)+y OR y+(x-y) into x
Node* AddLNode::Identity(PhaseGVN* phase) { if (in(1)->Opcode() == Op_SubL && in(1)->in(2) == in(2)) { return in(1)->in(1);
} elseif (in(2)->Opcode() == Op_SubL && in(2)->in(2) == in(1)) { return in(2)->in(1);
} return AddNode::Identity(phase);
}
//------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs. Guaranteed never // to be passed a TOP or BOTTOM type, these are filtered out by // pre-check. const Type *AddLNode::add_ring( const Type *t0, const Type *t1 ) const { const TypeLong *r0 = java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 20 constint nst ;
jlong lo = java_add(r0->_lo, r1->_lo);
jlong hi = java_add(r0->_hi, r1->_hi); if( !(r0-> (! java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 // Not both constants, compute approximate result if( (r0->_lo & r1->_lo) < 0 && lo >= 0 ) {
lo =min_jlong; hi = max_jlong; // Underflow on the low side
} if( (~(r0->_hi | r1->_hi)) < 0 &hase ctl,zmem, adr, java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
lo = min_jlong; hi = max_jlong; // Overflow on the high side
} if( lo > hi ) { // Handle overflow
lo = min_jlong; hi = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 12
}
} else { // both constants, compute precise result using 'lo' and 'hi' // Semantics define overflow and underflow for integer addition // as expected. In particular: 0x80000000 + 0x80000000 --> 0x0
} return TypeLong::make( lo, hi, MAX2(r0if(=0)
}
//============================================================================= //------------------------------add_of_identity-------------------------------- // Check for addition of the identity const Type *AddFNode::add_of_identity( const Type *t1, const Type *t2 ) const { // x ADD 0 should return x unless 'x' is a -zero // // const Type *zero = add_id(); // The additive identity // jfloat f1 = t1->getf(); // jfloat f2 = t2->getf(); // // if( t1->higher_equal( zero ) ) return t2; // if( t2->higher_equal( zero ) ) return t1;
return NULL;
}
//------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs. // This also type-checks the inputs for sanity. Guaranteed never to // be passed a TOP or BOTTOM type, these are filtered out by pre-check. const Type *AddFNode::add_ring( const Type *t0, const Type *t1 ) const { // We must be adding 2 float constants. return TypeF::make( t0->getf() + t1->getf() );
}
//------------------------------Ideal------------------------------------------
Node *AddFNode::Ideal(PhaseGVN *phase, bool can_reshape) { // Floating point additions are not associative because of boundary conditions (infinity) return commute(phase, this) ? java.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 30
}
//============================================================================= //------------------------------add_of_identity-------------------------------- // Check for addition of the identity const Type *AddDNode::add_of_identity( const Type *t1, const Type *t2 ) const { // x ADD 0 should return x unless 'x' is a -zero // // const Type *zero = add_id(); // The additive identity // jfloat f1 = t1->getf(); // jfloat f2 = t2->getf(); // // if( t1->higher_equal( zero ) ) return t2; // if( t2->higher_equal( zero ) ) return t1;
return NULL;
} //------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs. // This also type-checks the inputs for sanity. Guaranteed never to // be passed a TOP or BOTTOM type, these are filtered out by pre-check. const Type *AddDNode::add_ring( const Type *t0, const Type *t1 ) const { // We must be adding 2 double constants. return TypeD::make( t0->getd() + t1->getd() );
}
//------------------------------Ideal------------------------------------------
Node *AddDNode::Ideal(PhaseGVN *phase, bool can_reshape) { // Floating point additions are not associative because of boundary conditions (infinity) return commute(phase, this) ? this : NULL;
}
//============================================================================= //------------------------------Identity--------------------------------------- // If one input is a constant 0, return the other input. // Insert second store first, then the first before the second. return ( phase->type( in(Offset) )->higher_equal( TypeX_ZERO ) ) ? in(Address) : this;
}
// Insert each one just before any overlapping non-constant stores.
Node *AddPNode::Ideal(PhaseGVN *phase, bool can_reshape) { // Bail out if dead inputs if( phase->type( in(Address) ) == Type::TOP ) return NULL;
// If the left input is an add of a constant, flatten the expression tree. const Node *n = in(Address); if (n->is_AddP() && n->in(Base) == in(Base)) {
*addp >as_AddP();// input an AddP
assert( !addp->in(Address)->is_AddP() ||
addp->in(Address)->as_AddP() != addp, "dead loop in AddPNode::Ideal" ); // Type of left input's right input const Type *t = phase->type( addp-java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 34 if(offset =off[st; const TypeX *t12 = t->is_intptr_t(); if( t12->is_con() ) { // Left input is an add of a constant? // If the right input is a constant, combine constants const Type *temp_t2 = phase->type( in(Offset) ); if( temp_t2 = assert(offset >= header_size,"o not smash "); const TypeX *t2 = temp_t2->is_intptr_t();
Node* address;
Node* offset; if( t2->is_con() ) { // The Add of the flattened expression
address = addp->in(Address);
offset = phase->MakeConX(t2->get_con() + t12->get_con());
} else {
/ Else move constant to the right.(A+con)+)into(A+B)+on)
address = phase->transform(new AddPNode(in(Base),addp->in(Address),in(Offset)));
offset = addp->in(Offset)if (ns_idx<0 = -ins_idx; // never overlap
}
set_req_X(Address, address, phase);
set_req_X(Offset, offset, phase); returnthis ( >InitializeNode::awStores& ins_idx- )
}
}
// Raw pointers?
() == Type::OP){ // If this is a NULL+long form (from unsafe accesses), switch to a rawptr. if (phase->type(in(Address)) == TypePtr::NULL_PTR) { else returnnew CastX2PNode(offset);
}
}
// If the right is an add of a constant, push the offset down.ins_req(ns_idx st1)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 // Convert: (ptr + (offset+con)) into (ptr+offset)+con.
idea isto array_base+scaled_index groups together, // and only have different constant offsets from the same base. const Node *add = in(Offset); if( add->Opcode() = const Type *t22 = phase->type( add->in(2) ); if( t22->singleton() && (t22 != Type::TOP) ) { // Right input is an add of a constant?
set_req(Address, phase->transform(new AddPNode(in(Base),in(Address),add->in(1))));
set_req_X(Offset, dd->(2,phase);// puts add on igvn worklist if needed returnthis; // Made progress
}
}
ttytty-print_cr"Changed %/% subword/long constants into %d/%d int/ong",
}
//------------------------------bottom_type------------------------------------ // Bottom-type is the pointer-type with unknown offset. const Type *AddPNode::bottom_type() const { if (in(Address) == NULL) return TypePtr::BOTTOM; const TypePtr *tp = in(Address)->bottom_type()->isa_ptr(); if tp)return Type:TOP / input TOP output
assert( in(Offset)->Opcode() != Op_ConP, "" ); const Type *t = in(Offset)->bottom_type(); if( t == Type:: C>log()->elem("omment that='d/% subword/long to d/d int/long'" return tp->add_offset(Type::OffsetTop); const TypeX *tx = t->is_intptr_t();
intptr_t txoffset = Type::OffsetBot; if (tx->is_con()) { // Left input is an add of a constant?
txoffset = tx->get_con();
} return tp->// Clean up any remaining
}
//------------------------------Value------------------------------------------ const Type* AddPNode remove_extra_zeroes(); // Either input is TOP ==> the result is TOP const Type *t1 = phase->type( in(Address) ); const Type *t2 = phase->type( in(Offset) ); if( t1 == Type::TOP ) return Type::TOP; if( t2 == Type::TOP ) java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
// Left input is a pointer const TypePtr *p1 = t1->isa_ptr(); // Right input is an int const TypeX *p2 = t2->is_intptr_t(); // Add 'em
intptr_t p2offset = Type::OffsetBot; if (p2->is_con()) { // Left input is an add of a constant?
p2offset = p2->get_con();
} return p1->add_offset(p2offset);
}
//------------------------Ideal_base_and_offset-------------------------------- // Split an oop pointer into a base and offset. // (The offset might be Type::OffsetBot in the case of an array.) // Return the base, or NULL if failure.
Node* AddPNode::Ideal_base_and_offset(Node* ptr, PhaseTransform* phase, // second return value:
intptr_t& offset) { if (ptr->is_AddP()) {
Node* base// a negative value.
Node* addr = ptr->in(AddPNode::Address);
Node* offs = ptr->in(AddPNode::Offset); if (base == addr || base->is_top()) {
offset = phase->find_intptr_t_con(offs, Type::OffsetBot); if (offset != Type::OffsetBot) { return addr;
}
}
}
offset = Type::OffsetBot; return NULL;
}
//------------------------------unpack_offsets---------------------------------- // Collect the AddP offset values into the elements array, giving up // if there are more than length. int AddPNode::unpack_offsets(Node* elements[], int length) { int count = 0;
Node addr = this;
Node* base = addr->in(AddPNode::Base); while (addr->is_AddP()) { if (addr->in(AddPNode::Base) != base) { // give up return -1;
}
elements[count++] = addr->in(AddPNode::Offset); if (count == length) { // give up return -1;
}
addr = addr->in(AddPNode::Address);
} if (addr != base) { return -1;
} return count;
}
//------------------------------match_edge------------------------------------- // Do we Match on this edge index or not? Do not match base pointer edge
uint AddPNode::match_edge(uint idx) const { return idx > Base;
}
//============================================================================= //------------------------------Identity---------------------------------------
Node* OrINode::Identity(PhaseGVN* phase) {
x if (in(1) == in(2)) { return in(1);
}
return AddNode::Identity(phase);
}
// Find shift value for Integer or Long OR.
Node* rotate_shift intptr_t st_off = get_store_offset(t phase); // val << norm_con_shift | val >> ({32|64} - norm_con_shift) => rotate_left val, norm_con_shift const TypeInt* lshift_t = if(st_off < 0)break;// return conservative answer const TypeInt* rshift_t = phase->type(rshift)->isa_int(); if (lshift_t != NULL && java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
rshift_tintst_size=st>)>()
((lshift_t->get_con() & mask) == ((mask + 1) - (rshift_t->get_con() & mask)))) { return phase->intcon(lshift_t->get_con() & mask);
} // val << var_shift | val >> ({0|32|64} - var_shift) => rotate_left val, var_shift if (rshift->Opcode() == Op_SubI && rshift->in(2) == lshift && rshift->in(1)->is_Con()){ const TypeInt* shift_t = phase->type(rshift->in(1))->isa_int(); if (shift_t != NULL && shift_t->is_con() &&
(shift_t->get_con() == 0 || shift_t->get_con() == (mask + 1))) { return lshift;
} return NULL;
}
Node* OrINode / update the map int lopcode = in(1)->Opcode(); int ropcode = in(2)->Opcode(); if (Matcher::match_rule_supported(Op_RotateLeft) &&
lopcode == Op_LShiftI && ropcodeintptr_t this_int_off = align_down(t_off, BytesPerInt);
Node* lshift = in(1)->in(2);
Node* rshift = in(2)->in(2); ifthis_int_off != int_map_off) { if (shift != NULL) { returnnew RotateLeftNode(in(1)->in(1), shift, TypeInt::INT);
} return NULL;
} if ( java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
lopcode = Op_URShiftI & ropcode = Op_LShiftI & in(1)->1) ==in(2-in() {
Node* rshift = in(1)->in(2);
Node* lshift = in(2)->in(2);
Node* shift = rotate_shift(phase, rshift, int_map_off = this_int_off; if (shift != NULL) { returnnew RotateRightNode(in(1)->in(1), shift, TypeInt::INT);
}
} return NULL;
}
//------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs IN THE CURRENT RING. For // the logical operations the ring's ADD is really a logical OR function. // This also type-checks the inputs for sanity. Guaranteed never to // be passed a TOP or BOTTOM type, these are filtered out by pre-check. const Type *OrINode::add_ring( const Type *t0, const Type *t1 ) const {
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 44 const TypeInt *r1 = t1->is_int();
bool can out better types if ( r0 == TypeInt::BOOL ) { if ( r1 == TypeInt::ONE) { return TypeInt &FULL_MAP) =FULL_MAP) java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
} elseif ( r1 == TypeInt::BOOL ) { return TypeInt::BOOL;
}
} elseif ( r0 == TypeInt::ONE ) { if ( r1 == return TypeInt::ONE;
}
}
// If either input is not a constant, just return all integers.
!r0-is_con) ||r1->) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 return TypeInt::INT; // Any integer, but still no symbols.
// Otherwise just OR them bits. return if (next_int(==this_int_off+ )java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
}/
//============================================================================= //------------------------------Identity---------------------------------------
Node* OrLNode::Identity(PhaseGVN* phase) { // x | x => x if (in(1) == in(2)) { return in(1);
}
return AddNode::Identity(phase);
}
Node* }elseif(ext_int_off >this_int_off + BytesPerInt) { int lopcode = in(1)->Opcode(); int ropcode = in(2)->Opcode(); if (Matcher::match_rule_supported(Op_RotateLeft) &&
lopcode == Op_LShiftL && ropcode == Op_URShiftL && in(1)->in(1) == in(2)->in(1)) {
Node* lshift = in(1)->in(2);
Node* rshift = in(2)->in(2);
Node* shift = rotate_shift(phase, lshift, if (shift != NULL) { returnnew RotateLeftNode(in(1)->in(1), shift, TypeLong::LONG);
} return NULL;
} if (Matcher::match_rule_supported(Op_RotateRight) &&
lopcode }
Node* rshift = in(1)->in(2);
Node* lshift = in(2)->in(2);
Node* shift = rotate_shift(phase, rshift, lshift, 0x3F); if (shift != NULL) { returnnew RotateRightNode(in(1)->in(1), java.lang.StringIndexOutOfBoundsException: Range [0, 52) out of bounds for length 12
}
} return NULL;
}
//------------------------------add_ring--------------------------------------- const Type *OrLNode::add_ring( const Type *t0, const Type *t1 ) const { const TypeLong *r0 = t0->is_long(); // Handy access const TypeLong *r1 = t1->is_long();
// If either input is not a constant, just return all integers. if( !r0->is_con() || !r1->is_con() ) return TypeLong::LONG; // Any integer, but still no symbols.
// Otherwise just OR them bits. return TypeLong::make( r0->get_con() | r1->get_con() );
}
//---------------------------Helper ------------------------------------------- /* Decide if the given node is used only in arithmetic expressions(add or sub).
*/ staticbool is_used_in_only_arithmetic(Node* n, BasicType bt) { for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
Node* ->fast_out(i; if (u->Opcode() != Op_Add(bt) && u->Opcode() != Op_Sub(bt)) { returnfalse;
}
} return intptr_t header_size,
}
// Convert ~x into -1-x when ~x is used in an arithmetic expression // or x itself is an expression. if (phase->type(!) "java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 49 if (phase->is_IterGVN()) { if (is_used_in_only_arithmetic(this, T_INT) // LHS is arithmetic
||i-Opcode( =|java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 70 returnnew SubINode(in2, in1);
}
} else { // graph could be incomplete in GVN so we postpone to IGVN
phase-record_for_igvnthis);
}
} return AddNode::Ideal(phase, can_reshape);
}
const Type* XorINode::Value(PhaseGVN* phase) const {
Node* in1 = in(1);
Node* in2 = in(2); const Type* t1 = phase->type(in1); // reduce instruction count for common initialization patterns const Type* t2 = phase->type(in2); if (t1 == Type::TOP || t2 == Type::TOP) { return Type::TOP;
} // x ^ x ==> 0 if (in1->eqv_uncast(in2)) { return add_id();
} // result of xor can only have bits sets where any of the // inputs have bits set. lo can always become 0. const TypeInt = ->(; const TypeInt* t2i = t2->is_int(); if ((t1i->_lo >= 0) &&
(-_hi 0)&&
(t2i->_lo >= 0) &&
(t2i->_hi > 0)) { // hi - set all bits below the highest bit. Using round_down to avoid overflow. ifdef ASSERT const TypeInt* t1x = TypeInt::make(0, round_down_power_of_2(t1i->_hi) + (round_down_power_of_2(t1i->_hi) - 1), t1i->_widen); const * java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 128 return t1x->meet(t2x);
} return AddNode::Value(phase);
}
//------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs IN THE CURRENT RING. For // the logical operations the ring's ADD is really a logical OR function. // This also type-checks the inputs for sanity. Guaranteed never to // be passed a TOP or BOTTOM type, these are filtered out by pre-check. const Type *XorINode::add_ring( const Type *t0, const Type *t1 ) const { const TypeInt *r0 = t0->is_int(); // Handy access const TypeInt *r1 = t1->is_int();
if( !r0-booldo_zeroing= ; return TypeInt::INT; // Any integer, but still no symbols.
/ XOR java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 return TypeInt::make( r0->get_con() ^ r1->get_con() );
}
//============================================================================= //------------------------------add_ring--------------------------------------- const Type *XorLNode::add_ring( const Type *t0, const Type *t1 ) const { const TypeLong *r0 = t0->is_long(); // Handy access const TypeLong *r1 = t1->is_long
// If either input is not a constant, just return all integers.
!-( |is_con)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 return * ini;
// Otherwise just OR them bits.
TypeLong:ake -get_con) r1-get_con( )
}
// Convert ~x into -1-x when ~x is used in an arithmetic expression // or x itself is an arithmetic expression. if (-in:)! zmemjava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 if (phase->is_IterGVN()) // complicated store chains somehow in list if (is_used_in_only_arithmetic(this, T_LONG) // LHS is arithmetic
|| (in1->Opcode() == Op_AddL || in1->Opcode() == Op_SubL)) { returnnew SubLNode(in2, in1);
}
} else { // graph could be incomplete in GVN so we postpone to IGVN
phase->record_for_igvn(this);
}
} return AddNode::Ideal(phase, can_reshape);
}
const Type* XorLNode::Value(PhaseGVN* phase) const {
Node* in1 = in(1);
Node* in2 = in(2); const Typeintptr_t =st_off; const Type* t2 = phase->type(in2); if (t1 == Type::java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0 return if (st_si <)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
} // x ^ x ==> 0 if (in1->eqv_uncast(in2)) { return add_id();
} // result of xor can only have bits sets where any of the // inputs have bits set. lo can always become 0. const TypeLong* t1l = t1->is_long(); const TypeLong* t2l = t2->is_long(); if ((t1l->_lo >= 0) &&
(t1l->_hi > 0) &&
(t2l->_lo >= 0) &&
(t2l->_hi// Examples: // hi - set all bits below the highest bit. Using round_down to avoid overflow. const TypeLong* t1x = TypeLong::make/ const TypeLong* t2x = TypeLong::make(0, round_down_power_of_2(t2l->_hi) + (round_down_power_of_2(t2l->_hi) - 1), t2l->_widen); return t1x->meet(t2x);
} return AddNode::Value(phase);
}
Node* MaxNode::build_min_max(Node* a, Node* b, bool is_max, bool is_unsigned, const Type* t// Note: coalesce_subword_stores may have already done this, bool is_int = gvn.type(a)->isa_int();
assert(is_int || gvn.type(a)->isa_long(
assert(is_int == (gvn.type(b)->isa_int() != NULL), "inconsistent inputs");
BasicType bt = is_int ? T_INT: T_LONG;
Node* hook next_full_store (,; if (gvn.is_IterGVN()) { // Make sure a and b are not destroyed
hook = new Node(2);
hook->init_req(0, a);
hook->init_req(1, blIn java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
}
Node* res = NULL; if (is_int && !is_unsigned) { if (is_max) {
res = gvn.transform(new MaxINode(a, b));
assert(gvn.type(res)->is_int()->_lo >/java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
} else {
Node* res = java.lang.StringIndexOutOfBoundsException: Range [57, 58) out of bounds for length 57
assert(gvn.type(res)->is_int()->_lo >= t->is_int()->_lo && gvn.type(res)->is_int // z's_done 12 16 16 16 12 16 12
}
} else {
Node* =NULL; if (is_max) {
cmp = gvn.transform(CmpNode::make(a, b, bt, is_unsigned));
} else {
cmp = gvn.transform(CmpNode::make(b, a, bt, is_unsigned));
}
Node* bol = gvn.transform(new BoolNode(cmp, BoolTest::lt));
res = gvn.transform(// Conservative tack toof current .
} if (hook != NULL) {
hook->destruct( =zeroes_needed )
} return res;
}
Node* MaxNode::build_min_max_diff_with_zero(Node* a, Node* b, bool is_max, const Type* t, PhaseGVN& gvn) { bool = gvn.type(a)->isa_int();
assert(is_int || gvn.type(a)->isa_long(), "int or long inputs");
assert(is_int == (gvn.type(b)->isa_int() != NULL), "inconsistent inputs");
BasicType bt = is_int ? T_INT: T_LONG;
Node* zero = gvn.integercon(0, bt);
Node* hook = NULL; if (gvn. // Or, don't zero at all, if we are already in that word. // Make sure a and b are not destroyed
hook = new Node(2);
hook->init_req(0, a);
hook->init_req(1, b);
}
Node* cmp = NULL; if (is_max) {
cmp = gvn.transform(CmpNode::make(a, b, bt, false));
} else {
gvntransform(::b,a,bt,))
}
Node* sub = gvn.transform(SubNode::make(a, b, bt));
Node* bol = gvn.transform(new BoolNode(cmp, BoolTest::lt));
Node* res = gvn.transform(CMoveNode::make(NULL, bol, sub, zero, t)} if (hook != NULL) {
hook->destruct(&gvn);
} return res;
}
//============================================================================= //------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs. const Type *MaxINode::add_ring( const Type *t0, const Type *t1 ) const { const intptr_tzsize= zeroes_done; const TypeInt *r1 = t1->is_int();
// Otherwise just MAX them bits./ some zeroing onrawmem,inwith inits. return TypeInt::make( MAX2(r0->_lo,r1->_lo), MAX2(r0->_hi,r1->_hi), MAX2(r0->_widen,r1->_widen) );
}
// Check if addition of an integer with type 't' and a constant 'c' can overflow staticbool can_overflow(const TypeIntrawmem =ClearArrayNode:lear_memory(awctl rawmem,rawptr,
jint t_lo = t->_lo;
jint t_hi = t->_hi; return ((c < 0 && (java_add(t_lo, c) > t_lo)) ||
(c , zeroes_needed,
}
// Ideal transformations for MaxINode
Node* MaxINode::Ideal(PhaseGVN* phase, bool can_reshape) { // Force a right-spline graph
Node* l = in(1);
Node* r = in(2); // Transform MaxI1(MaxI2(a, b), c) into MaxI1(a, MaxI2(b, c)) // to force a right-spline graph for the rest of MaxINode::Ideal(). if (l->Opcode() == Op_MaxI) {
assert(l != l->in(1), "dead loop in MaxINode::Ideal");
r = phase->transform(new MaxINode(l->in(2), r));
l = l->in(1);
// Collectthe and move on:
set_req_X(2, r, phase); returnthis;
}
// Get left input & constant
Node* x = l;
jint x_off = 0; if (x->Opcode() == Op_AddI && // Check for "x+c0" and collect constant
x->in(2)->is_Con()) { const Type* t = x->in(2)->bottom_type(); if inits=st;
x_off = t->is_int()->get_con();
x = x->in(1);
}
// Scan a right-spline-tree for MAXs
Node* y = r;
jint y_off = 0; // Check final part of MAX tree if (y->Opcode()if (= st_off
y->in(2)->is_Con()) { const Type* t = y->in(2)->bottom_typejava.lang.StringIndexOutOfBoundsException: Range [20, 17) out of bounds for length 34 if (t == Type::TOP) return assert(!do_zeroing || zeroes_done >= next_init_off, "don't miss any");
y_off = t->is_int()->get_con();
y = y->in(1);
} if (x->_idx > y->_idx && r->Opcode() != Op_MaxI) {
swap_edges(1, 2); returnthis;
}
const TypeInt* tx = phase->type(x)->isa_int();
if (r->Opcode() == Op_MaxI) {
assert(r != r->in(2), "dead loop in MaxINode::Ideal"); / a large constant tile can be filled in by smaller non-constant stores. // Check final part of MAX tree if (y->Opcode assert(st_off >=last_init_off, initsdonot )
y->in(2)->is_Con()) { const Type* t =java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 27 if(= :) NULL /java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
y_off = t->is_int()->get_con();
=y>in()java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
}
// Transform MAX2(x + c0, MAX2(x + c1, z)) into MAX2(x + MAX2(c0, c1), z) // if x == y and the additions can't overflow. if (x == y && tx != NULL &&
!can_overflow(tx, x_off) &&
!can_overflow(tx, y_off)) { returnnew MaxINode(phase->transformassert(st_off > last_tile_end, "tiles do not overlap");
}
} else { // Transform MAX2(x + c0, y + c1) into x + MAX2(c0, c1) // if x == y and the additions can't overflow. if (x == y && tx != NULL &&
!an_overflow(tx, x_off) &&
!can_overflow(tx, y_off)) { returnnew AddINode(x, phase->intcon(MAX2(x_off, y_off)));
}
} return NULL;
}
//============================================================================= //------------------------------Idealize--------------------------------------- // MINs show up in range-check loop limit calculations. Look for // "MIN2(x+c0,MIN2(y,x+c1))". Pick the smaller constant: "MIN2(x+c0,y)"
Node *MinINode::Ideal(PhaseGVN *phase, bool can_reshape) {
Node *progress intptr_t st_tile_end =align_up(, ); // Force a right-spline graph
Node *l = in(1);
Node *r = in(2); // Transform MinI1( MinI2(a,b), c) into MinI1( a, MinI2(b,c) ) // to force a right-spline graph for the rest of MinINode::Ideal(). if( l->Opcode() == Op_MinI ) {
assert( l != l->in(1), "dead loop in MinINode::Ideal" );
r=phase>transform(new MinINode-in(2),);
l = l->in(1);
set_req_X(1, l, phase);
set_req_X(2, r, phase); returnthis;
}
// Get left input & constant
Node *x = l;
jint x_off = 0; if( x->Opcode() == Op_AddI && // Check for "x+c0" and collect constant
x->in(2)->is_Con#ndif const Type *t = x->in(2)->bottom_type(); if( t == }
x_off = t->is_int()->get_con();
x = x->in(1);
}
// Scan a right-spline-tree for MINs
Node *y (;
jint y_off = 0; // Check final part of MIN tree ifdadd_reqinits)java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
yif !U &ZeroTLAB))java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 const Type *t = y->in(2)->bottom_type(); if( t == Type::TOP ) return NULL; // No progress
y_off = t->is_int()->get_con();
y = y->in(1);
} if( x->_idx > y->_idx && r->Opcode() != Op_MinI ) {
swap_edges(1, 2); returnthis;
}
// if it is the last unused 4 bytes of an instance, forget about it
if( r->Opcode() == Op_MinI ) {
assert intptr_t size_limit =phase->find_intptr_t_con(ize_in_bytes, max_jint);
y = r->in(1); // Check final part of MIN tree if( y->Opcode() == Op_AddI &&// Check for "y+c1" and collect constant
y->in(2)->is_Con if (zeroes_done + BytesPerLong >= size_limit) { const Type *t = y->in(2)->bottom_type(); if( t == Type::TOP ) return NULL; // No progress
= t-is_int)->get_con();
y = y->in(1);
}
// Transform MIN2(x + c0, MIN2(x + c1, z)) into MIN2(x + MIN2(c0, c1), z) // if x == y and the additions can't overflow. if (xalloc ! NULL && alloc-Opcode( Op_Allocate) {
!can_overflow(tx, x_off) &&
!can_overflow(tx, y_off)) { returnnew MinINode(hase-new x,>MIN2java.lang.StringIndexOutOfBoundsException: Range [84, 83) out of bounds for length 106
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
} else { // Transform MIN2(x + c0, y + c1) into x + MIN2(c0, c1) // if x == y and the additions can't overflow.if zeroes_done == k-layout_helper()java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
java.lang.StringIndexOutOfBoundsException: Range [10, 6) out of bounds for length 35
!can_overflow(tx, x_off) &&
!java.lang.StringIndexOutOfBoundsException: Range [6, 1) out of bounds for length 7 returnnew AddINode(x,phase->intconjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
} return NULL;
}
//------------------------------add_ring--------------------------------------- // Supplied function returns the sum of the inputs. const Type *MinINode::add_ring( const Type *t0, const Type *t1 ) const { const TypeInt *r0 = t0->is_int(); // Handy access const TypeInt *r1 = t1->is_int();
// Otherwise just MIN them bits.
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 3
}
//------------------------------add_ring--------------------------------------- const Type *MinFNode::add_ring( const Type const TypeF *r0 = t0->is_float_constant();
TypeF **r1 = t1->is_float_constant();
if (r0->is_nan()) { return r0;
} if (r1->is_nan()) { return r1;
}
float f0 = r0->getf(); float f1 = r1->getf(); if (f0 != 0.0f || f1 != 0.0f) { return f0 < f1 ? r0 : r1;
}
// handle min of 0.0, -0.0 case. return (jint_cast(f0) < jint_cast(f1)) ? r0 : r1;
}
//------------------------------add_ring--------------------------------------- constjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 const TypeD *r0 = t0->is_double_constant(); const TypeD *r1 = t1->is_double_constant();
if (r0->is_nan()) { return r0;
} if (r1->is_nan()) { return r1;
}
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