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exprnode.cpp
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exprnode.cpp
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#include "exprnode.hpp"
using namespace std;
DATA_TYPE expr_node::get_type (void) {
return type;
}
void expr_node::set_name (string s) {
name = s;
}
void expr_node::set_name (char *s) {
name = string (s);
}
string expr_node::get_name (void) {
return name;
}
bool expr_node::is_data_type (DATA_TYPE gdata_type) {
return expr_type == T_DATATYPE;
}
bool expr_node::is_data_type (void) {
return expr_type == T_DATATYPE;
}
bool expr_node::is_id_type (DATA_TYPE gdata_type) {
if (expr_type == T_ID) {
type = gdata_type;
return true;
}
return false;
}
bool expr_node::is_id_type (void) {
return expr_type == T_ID;
}
bool expr_node::simple_nondecomposable_expr (void) {
return true;
}
bool expr_node::is_shiftvec_type (DATA_TYPE gdata_type) {
if (expr_type == T_SHIFTVEC) {
type = gdata_type;
return true;
}
return false;
}
bool expr_node::is_shiftvec_type (void) {
return expr_type == T_SHIFTVEC;
}
void id_node::print_node (stringstream &out) {
// out << name;
out << label;
}
void id_node::print_node (stringstream &out, vector<string> &initialized_labels, vector<string> &iters, bool perform_load, bool is_lhs) {
if (PRINT_INTRINSICS && find (initialized_labels.begin(), initialized_labels.end(), label) == initialized_labels.end ()) {
if (type == DOUBLE) out << "_mm256_set1_pd (" << label << ")";
else if (type == FLOAT) out << "_mm256_set1_ps (" << label << ")";
else out << "_mm256_set1_epi64 (" << label << ")";
}
//else out << label;
else out << name;
}
void id_node::print_initializations (stringstream &header_output, vector<string> &initialized_labels, vector<string> iters, bool perform_load, bool is_lhs) {
if (!PRINT_INTRINSICS) {
if (is_lhs || perform_load) {
if (find (initialized_labels.begin(), initialized_labels.end(), label) == initialized_labels.end ()) {
if (type == DOUBLE) header_output << "double " << label;
else if (type == FLOAT) header_output << "float " << label;
else if (type == INT) header_output << "int " << label;
else if (type == BOOL) header_output << "bool " << label;
header_output << ";\n";
initialized_labels.push_back (label);
}
}
}
else if (is_lhs || perform_load) {
if (find (initialized_labels.begin(), initialized_labels.end(), label) == initialized_labels.end ()) {
if (type == DOUBLE) header_output << "__m256d " << label;
else if (type == FLOAT) header_output << "__m256 " << label;
else header_output << "__m256i " << label;
header_output << ";\n";
initialized_labels.push_back (label);
}
}
}
void id_node::print_node (map<string, string> ®_map, stringstream &out) {
if (DEBUG) assert (reg_map.find (label) != reg_map.end ());
out << reg_map[label];
}
void id_node::create_labels (map<string, expr_node*> &label_map) {
label = name;
if (label_map.find (label) == label_map.end ())
label_map[label] = this;
}
void id_node::create_labels (map<string, int> &lassign_map, map<string, expr_node*> &label_map, bool is_asgn) {
if (is_asgn) {
if (lassign_map.find (name) == lassign_map.end ())
lassign_map[name] = 0;
else
lassign_map[name] = lassign_map[name] + 1;
}
if (lassign_map[name] != 0)
label = name + "_" + to_string (lassign_map[name]) + "_";
else label = name;
if (label_map.find (label) == label_map.end ())
label_map[label] = this;
}
//void id_node::stringify_accesses (vector<string> &labels, map<string, int> &lassign_map, bool is_asgn) {
// string lbl;
// if (is_asgn) {
// if (lassign_map.find (name) == lassign_map.end ())
// lassign_map[name] = 0;
// else
// lassign_map[name] = lassign_map[name] + 1;
// }
// if (lassign_map[name] != 0)
// lbl = name + "_" + to_string (lassign_map[name]) + "_";
// else lbl = name;
// labels.push_back (lbl);
//}
//
//void id_node::stringify_accesses (vector<string> &labels, string &expr_label, map<string, int> &lassign_map, bool is_asgn) {
// string lbl;
// if (is_asgn) {
// if (lassign_map.find (name) == lassign_map.end ())
// lassign_map[name] = 0;
// else
// lassign_map[name] = lassign_map[name] + 1;
// }
// if (lassign_map[name] != 0)
// lbl = name + "_" + to_string (lassign_map[name]) + "_";
// else lbl = name;
// labels.push_back (lbl);
// expr_label = expr_label + lbl;
//}
void id_node::stringify_accesses (vector<string> &labels) {
string lbl = name;
labels.push_back (lbl);
}
void id_node::stringify_accesses (vector<string> &labels, string &expr_label) {
string lbl = name;
labels.push_back (lbl);
expr_label = expr_label + lbl;
}
void id_node::array_access_info (string &id, int &offset) {
id = id + name;
}
void id_node::gather_participating_labels (vector<string> &labels, vector<string> &names, vector<string> coefficients) {
if (find (labels.begin(), labels.end(), label) == labels.end()) {
if (!DROP_COEFS || (find (coefficients.begin(), coefficients.end(), label) == coefficients.end()))
labels.push_back (label);
}
if (find (names.begin(), names.end(), name) == names.end()) {
if (!DROP_COEFS || (find (coefficients.begin(), coefficients.end(), label) == coefficients.end()))
names.push_back (name);
}
}
expr_node *id_node::unroll_expr (string s, int val, vector<string> coefficients, map<string,int> &scalar_count, bool is_lhs) {
expr_node *temp1;
if (is_lhs) {
if (scalar_count.find (name) == scalar_count.end())
scalar_count[name] = 1;
else
scalar_count[name] = scalar_count[name] + 1;
}
if (scalar_count[name] == 0)
temp1 = new id_node (name);
else {
string new_name = name + "_" + to_string (scalar_count[name]) + "_";
temp1 = new id_node (new_name);
}
if (name.compare (s) == 0 && val!=0) {
expr_node *temp2 = new datatype_node<int> (val, INT);
return new binary_node (T_PLUS, temp1, temp2);
}
else return temp1;
}
expr_node *id_node::deep_copy (void) {
return new id_node (name, type, nested, label);
}
void id_node::populate_tree (accnode *acc_node, map <string, treenode*> &tree_map, map<string, int> label_bitset_index, int label_count, bool is_uminus) {
// Check if the node is already in tree_map
if (tree_map.find (label) != tree_map.end ()) {
treenode *tree_node = tree_map[label];
tree_node->set_uminus_val (is_uminus);
acc_node->add_operand (tree_node, label_bitset_index, label_count);
tree_map.erase (label);
}
// Otherwise create a new leaf node
else {
stringstream lhs_print;
this->print_node (lhs_print);
treenode *node = new treenode (this, lhs_print.str(), label, label_bitset_index, label_count, is_uminus);
acc_node->add_operand (node, label_bitset_index, label_count);
}
// Now modify the expr string
acc_node->append_to_expr_string (label);
acc_node->append_to_rhs_printing (label);
}
void id_node::decompose_node (vector<tuple<expr_node*, expr_node*, STMT_OP>> &tstmt, vector<tuple<expr_node*, expr_node*, STMT_OP>> &init, vector<expr_node*> &temp_vars, expr_node *alhs, STMT_OP cur_op, int &id, DATA_TYPE gdata_type, bool &local_assigned, bool &global_assigned, bool flip) {
if (DEBUG) {
printf ("For me (%s), cur_op is %s", name.c_str(), (print_stmt_op (cur_op)).c_str());
printf (", and flip is %d\n", flip);
}
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
// Create a node of the form a += b;
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, this, cur_op));
local_assigned = true;
global_assigned = true;
alhs->set_type (gdata_type);
}
expr_node *uminus_node::get_base_expr (void) {
return base_expr;
}
bool uminus_node::simple_nondecomposable_expr (void) {
type = base_expr->get_type ();
bool ret = base_expr->get_expr_type () != T_BINARY && base_expr->get_expr_type () != T_FUNCTION;
return (ret && base_expr->simple_nondecomposable_expr ());
}
bool uminus_node::is_data_type (DATA_TYPE gdata_type) {
if (base_expr->is_data_type (gdata_type)) {
type = gdata_type;
return true;
}
return false;
}
bool uminus_node::is_data_type (void) {
type = base_expr->get_type ();
return (base_expr->is_data_type ());
}
bool uminus_node::is_id_type (DATA_TYPE gdata_type) {
if (base_expr->is_id_type (gdata_type)) {
type = gdata_type;
return true;
}
return false;
}
bool uminus_node::is_id_type (void) {
type = base_expr->get_type ();
return (base_expr->is_id_type ());
}
bool uminus_node::is_shiftvec_type (DATA_TYPE gdata_type) {
if (base_expr->is_shiftvec_type (gdata_type)) {
type = base_expr->get_type ();
return true;
}
return false;
}
bool uminus_node::is_shiftvec_type (void) {
type = base_expr->get_type ();
return (base_expr->is_shiftvec_type ());
}
void uminus_node::print_node (stringstream &out) {
out << "-";
base_expr->print_node (out);
}
void uminus_node::print_node (stringstream &out, vector<string> &initialized_labels, vector<string> &iters, bool perform_load, bool is_lhs) {
out << "-";
base_expr->print_node (out, initialized_labels, iters, perform_load, is_lhs);
}
void uminus_node::print_initializations (stringstream &header_output, vector<string> &initialized_labels, vector<string> iters, bool perform_load, bool is_lhs) {
base_expr->print_initializations (header_output, initialized_labels, iters, perform_load, is_lhs);
}
void uminus_node::print_node (map<string, string> ®_map, stringstream &out) {
out << "-";
base_expr->print_node (reg_map, out);
}
void uminus_node::create_labels (map<string, expr_node*> &label_map) {
base_expr->create_labels (label_map);
}
void uminus_node::create_labels (map<string, int> &lassign_map, map<string, expr_node*> &label_map, bool is_asgn) {
base_expr->create_labels (lassign_map, label_map, is_asgn);
}
//void uminus_node::stringify_accesses (vector<string> &labels, string &expr_label, map<string, int> &lassign_map, bool is_asgn) {
// expr_label = expr_label + "-";
// base_expr->stringify_accesses (labels, expr_label, lassign_map, is_asgn);
//}
void uminus_node::stringify_accesses (vector<string> &labels, string &expr_label) {
expr_label = expr_label + "-";
base_expr->stringify_accesses (labels, expr_label);
}
void uminus_node::gather_participating_labels (vector<string> &labels, vector<string> &names, vector<string> coefficients) {
base_expr->gather_participating_labels (labels, names, coefficients);
}
expr_node *uminus_node::unroll_expr (string s, int val, vector<string> coefficients, map<string,int> &scalar_count, bool is_lhs) {
expr_node *temp = base_expr->unroll_expr (s, val, coefficients, scalar_count, is_lhs);
return new uminus_node (temp);
}
expr_node *uminus_node::deep_copy (void) {
expr_node *temp = base_expr->deep_copy ();
return new uminus_node (temp, name, type, nested);
}
void uminus_node::populate_tree (accnode *acc_node, map <string, treenode*> &tree_map, map<string, int> label_bitset_index, int label_count, bool is_uminus) {
acc_node->append_to_expr_string ("-");
acc_node->append_to_rhs_printing ("-");
base_expr->populate_tree (acc_node, tree_map, label_bitset_index, label_count, true);
}
void uminus_node::decompose_node (vector<tuple<expr_node*, expr_node*, STMT_OP>> &tstmt, vector<tuple<expr_node*, expr_node*, STMT_OP>> &init, vector<expr_node*> &temp_vars, expr_node *alhs, STMT_OP cur_op, int &id, DATA_TYPE gdata_type, bool &local_assigned, bool &global_assigned, bool flip) {
cur_op = get_cur_op (cur_op, flip);
if (base_expr->is_id_type (gdata_type) || base_expr->is_data_type (gdata_type) || base_expr->is_shiftvec_type (gdata_type)) {
// Simply create a node like a += -b or a += -b[];
if (!local_assigned) cur_op = acc_start_op (cur_op);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, this, cur_op));
local_assigned = true;
global_assigned = true;
// Determine the type of base expr and this node
type = base_expr->get_type ();
alhs->set_type (gdata_type);
}
else {
// Otherwise explore base_expr with a different tlhs
string name_t = "_t_" + to_string (id++) + "_";
expr_node *temp1 = new id_node (name_t);
bool nested_local_assigned = false;
bool nested_global_assigned = false;
base_expr->decompose_node (tstmt, init, temp_vars, temp1, ST_EQ, id, gdata_type, nested_local_assigned, nested_global_assigned, false);
expr_node *new_rhs = new uminus_node (temp1);
if (!local_assigned) cur_op = acc_start_op (cur_op);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now determine the type of node; this will be the type of rhs decomposition
type = temp1->get_type ();
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp1);
temp_vars.push_back (new_rhs);
}
}
void uminus_node::array_access_info (string &id, int &offset) {
string temp_id = "";
int temp_offset = 0;
base_expr->array_access_info (temp_id, temp_offset);
if (temp_id.length() > 0)
id = id + "-" + temp_id;
offset += -1*temp_offset;
}
bool binary_node::is_data_type (DATA_TYPE gdata_type) {
if (lhs->is_data_type (gdata_type) && rhs->is_data_type (gdata_type)) {
type = gdata_type;
return true;
}
return false;
}
bool binary_node::is_data_type (void) {
type = infer_data_type (lhs->get_type (), rhs->get_type ());
return (lhs->is_data_type () || rhs->is_data_type ());
}
bool binary_node::is_id_type (DATA_TYPE gdata_type) {
if ((lhs->is_data_type (gdata_type) && rhs->is_id_type (gdata_type)) || (rhs->is_data_type (gdata_type) && lhs->is_id_type (gdata_type))) {
type = gdata_type;
return true;
}
return false;
}
bool binary_node::is_id_type (void) {
type = infer_data_type (lhs->get_type (), rhs->get_type ());
return ((lhs->is_data_type () && rhs->is_id_type ()) || (lhs->is_id_type () && rhs->is_data_type ()));
}
bool binary_node::is_shiftvec_type (DATA_TYPE gdata_type) {
if ((lhs->is_data_type (gdata_type) && rhs->is_shiftvec_type (gdata_type)) || (rhs->is_data_type (gdata_type) && lhs->is_shiftvec_type (gdata_type))) {
type = gdata_type;
return true;
}
return false;
}
bool binary_node::is_shiftvec_type (void) {
type = infer_data_type (lhs->get_type (), rhs->get_type ());
return ((lhs->is_data_type () && rhs->is_shiftvec_type ()) || (rhs->is_data_type () && lhs->is_shiftvec_type ()));
}
// Returns true of the expression has just two nodes, and no nestings
bool binary_node::simple_nondecomposable_expr (void) {
type = infer_data_type (lhs->get_type (), rhs->get_type ());
// Check that lhs and rhs are simple types, not binary or function
bool ret = op != T_PLUS && op != T_MINUS;
ret &= lhs->get_expr_type () != T_BINARY && rhs->get_expr_type () != T_BINARY;
ret &= lhs->get_expr_type () != T_FUNCTION && lhs->get_expr_type () != T_FUNCTION;
return (ret && lhs->simple_nondecomposable_expr () && rhs->simple_nondecomposable_expr ());
}
void binary_node::print_node (stringstream &out) {
if (!PRINT_INTRINSICS) {
lhs->print_node (out);
out << print_operator (op);
rhs->print_node (out);
}
else {
type = infer_data_type (lhs->get_type (), rhs->get_type ());
out << print_operator (op, type);
out << " (";
lhs->print_node (out);
out << ", ";
rhs->print_node (out);
out << ")";
}
}
void binary_node::print_node (stringstream &out, vector<string> &initialized_labels, vector<string> &iters, bool perform_load, bool is_lhs) {
if (!PRINT_INTRINSICS) {
lhs->print_node (out, initialized_labels, iters, perform_load, is_lhs);
out << print_operator (op);
rhs->print_node (out, initialized_labels, iters, perform_load, is_lhs);
}
else {
type = infer_data_type (lhs->get_type (), rhs->get_type ());
out << print_operator (op, type);
out << " (";
lhs->print_node (out, initialized_labels, iters, perform_load, is_lhs);
out << ", ";
rhs->print_node (out, initialized_labels, iters, perform_load, is_lhs);
out << ")";
}
}
void binary_node::print_initializations (stringstream &header_output, vector<string> &initialized_labels, vector<string> iters, bool perform_load, bool is_lhs) {
lhs->print_initializations (header_output, initialized_labels, iters, perform_load, is_lhs);
rhs->print_initializations (header_output, initialized_labels, iters, perform_load, is_lhs);
}
void binary_node::print_node (map<string, string> ®_map, stringstream &out) {
lhs->print_node (reg_map, out);
out << print_operator (op);
rhs->print_node (reg_map, out);
}
expr_node *binary_node::unroll_expr (string s, int val, vector<string> coefficients, map<string,int> &scalar_count, bool is_lhs) {
expr_node *temp1 = lhs->unroll_expr (s, val, coefficients, scalar_count, is_lhs);
expr_node *temp2 = rhs->unroll_expr (s, val, coefficients, scalar_count, is_lhs);
return new binary_node (op, temp1, temp2);
}
expr_node *binary_node::deep_copy (void) {
expr_node *temp1 = lhs->deep_copy ();
expr_node *temp2 = rhs->deep_copy ();
return new binary_node (op, temp1, temp2, name, type, nested);
}
void binary_node::populate_tree (accnode *acc_node, map <string, treenode*> &tree_map, map<string, int> label_bitset_index, int label_count, bool is_uminus) {
acc_node->set_rhs_operator (op);
lhs->populate_tree (acc_node, tree_map, label_bitset_index, label_count, false);
acc_node->append_to_expr_string (print_operator (op));
acc_node->append_to_rhs_printing (print_operator (op));
rhs->populate_tree (acc_node, tree_map, label_bitset_index, label_count, false);
}
void binary_node::decompose_node (vector<tuple<expr_node*, expr_node*, STMT_OP>> &tstmt, vector<tuple<expr_node*, expr_node*, STMT_OP>> &init, vector<expr_node*> &temp_vars, expr_node *alhs, STMT_OP cur_op, int &id, DATA_TYPE gdata_type, bool &local_assigned, bool &global_assigned, bool flip) {
if (is_id_type (gdata_type) || is_shiftvec_type (gdata_type)) {
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, this, cur_op));
local_assigned = true;
global_assigned = true;
alhs->set_type (gdata_type);
return;
}
if (op == T_PLUS || op == T_MINUS) {
if (RETAIN_SIMPLE_OPS) {
// Use this only for tree register allocation
if ((lhs->is_id_type (gdata_type) || lhs->is_data_type (gdata_type) || lhs->is_shiftvec_type (gdata_type)) &&
(rhs->is_id_type (gdata_type) || rhs->is_data_type (gdata_type) || rhs->is_shiftvec_type (gdata_type))) {
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
// If both lhs and rhs are simple (no further investiagion required), use the same node
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, this, cur_op));
local_assigned = true;
global_assigned = true;
// Now determine the type. First set the types of children, and then the parent
type = infer_data_type (lhs->get_type (), rhs->get_type());
alhs->set_type (gdata_type);
}
else {
// If the node is a = b + c, then modify it simply as a = init_val; a += b; a += c;
if (lhs->is_nested ()) {
bool nested_local_assigned = false;
lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, nested_local_assigned, global_assigned, flip);
local_assigned |= nested_local_assigned;
}
else lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
if (rhs->is_nested ()) {
// Flip RHS signs only if the op is "-" or flip is not the same as nested_flip
bool nested_flip = (op == T_MINUS);
if (nested_flip == flip) nested_flip = false;
bool nested_local_assigned = false;
rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, nested_local_assigned, global_assigned, nested_flip);
local_assigned |= nested_local_assigned;
}
else rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
}
}
else {
// If the node is a = b + c, then modify it simply as a = init_val; a += b; a += c;
if (lhs->is_nested ()) {
bool nested_local_assigned = false;
lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, nested_local_assigned, global_assigned, flip);
local_assigned |= nested_local_assigned;
}
else lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
if (rhs->is_nested ()) {
// Flip RHS signs only if the op is "-" or flip is not the same as nested_flip
bool nested_flip = (op == T_MINUS);
if (nested_flip == flip) nested_flip = false;
bool nested_local_assigned = false;
rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, nested_local_assigned, global_assigned, nested_flip);
local_assigned |= nested_local_assigned;
}
else rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
}
}
else if (ASSOC_MULT && (op == T_MULT || op == T_AND || op == T_OR)) {
if (lhs->is_data_type (gdata_type)) {
// rhs is complicated, so visit it
string name_t2 = "_t_" + to_string (id++) + "_";
expr_node *temp2 = new id_node (name_t2);
bool nested_local_assigned2 = false;
bool nested_global_assigned2 = false;
bool nested_flip2 = false;
rhs->decompose_node (tstmt, init, temp_vars, temp2, ST_EQ, id, gdata_type, nested_local_assigned2, nested_global_assigned2, nested_flip2);
expr_node *new_rhs = new binary_node (op, lhs, temp2);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now determine the type. First set the types of children, and then the parent
type = infer_data_type (lhs->get_type (), temp2->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp2);
temp_vars.push_back (new_rhs);
}
else if (rhs->is_data_type (gdata_type)) {
// lhs is not simple, visit it
string name_t1 = "_t_" + to_string (id++) + "_";
expr_node *temp1 = new id_node (name_t1);
bool nested_local_assigned1 = false;
bool nested_global_assigned1 = false;
bool nested_flip1 = false;
lhs->decompose_node (tstmt, init, temp_vars, temp1, ST_EQ, id, gdata_type, nested_local_assigned1, nested_global_assigned1, nested_flip1);
expr_node *new_rhs = new binary_node (op, temp1, rhs);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now determine the type. First set the types of children, and then the parent
type = infer_data_type (temp1->get_type (), rhs->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp1);
temp_vars.push_back (new_rhs);
}
else if ((lhs->is_id_type (gdata_type) || lhs->is_shiftvec_type (gdata_type)) && (rhs->is_id_type (gdata_type) || rhs->is_shiftvec_type (gdata_type))) {
// If the cur_op is the same as my op, it simplifies a lot of things
if (cur_op == convert_op_to_stmt_op (op)) {
lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
}
else {
// If both lhs and rhs are simple (no further investigation required), use the same node
string name_t1 = "_t_" + to_string (id++) + "_";
expr_node *temp1 = new id_node (name_t1);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (cur_op != ST_EQ)
init.push_back (make_tuple (temp1, new datatype_node<int> (get_init_val (convert_op_to_stmt_op (op)), INT), ST_EQ));
tstmt.push_back (make_tuple (temp1, lhs, convert_op_to_stmt_op (op)));
tstmt.push_back (make_tuple (temp1, rhs, convert_op_to_stmt_op (op)));
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, temp1, cur_op));
local_assigned = true;
global_assigned = true;
// Now determine the type. First set the types of children, and then the parent
type = infer_data_type (lhs->get_type (), rhs->get_type());
temp1->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp1);
}
}
else if (lhs->is_id_type (gdata_type) || lhs->is_shiftvec_type (gdata_type)) {
// If the cur_op is the same as my op, it simplifies a lot of things
if (cur_op == convert_op_to_stmt_op (op)) {
lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
}
else {
// lhs is simple, so only explore rhs
string name_t1 = "_t_" + to_string (id++) + "_";
expr_node *new_rhs = new id_node (name_t1);
string name_t2 = "_t_" + to_string (id++) + "_";
expr_node *temp2 = new id_node (name_t2);
bool nested_local_assigned2 = false;
bool nested_global_assigned2 = false;
bool nested_flip2 = false;
rhs->decompose_node (tstmt, init, temp_vars, temp2, ST_EQ, id, gdata_type, nested_local_assigned2, nested_global_assigned2, nested_flip2);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (cur_op != ST_EQ)
init.push_back (make_tuple (new_rhs, new datatype_node<int> (get_init_val (convert_op_to_stmt_op (op)), INT), ST_EQ));
tstmt.push_back (make_tuple (new_rhs, lhs, convert_op_to_stmt_op (op)));
tstmt.push_back (make_tuple (new_rhs, temp2, convert_op_to_stmt_op (op)));
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now infer the type of lhs and the new rhs
type = infer_data_type (lhs->get_type(), temp2->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (new_rhs);
temp_vars.push_back (temp2);
}
}
else if (rhs->is_id_type (gdata_type) || rhs->is_shiftvec_type (gdata_type)) {
// If the cur_op is the same as my op, it simplifies a lot of things
if (cur_op == convert_op_to_stmt_op (op)) {
lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
}
else {
// Explore each child with a separate lhs
string name_t2 = "_t_" + to_string (id++) + "_";
expr_node *new_rhs = new id_node (name_t2);
string name_t1 = "_t_" + to_string (id++) + "_";
expr_node *temp1 = new id_node (name_t1);
bool nested_local_assigned1 = false;
bool nested_global_assigned1 = false;
bool nested_flip1 = false;
lhs->decompose_node (tstmt, init, temp_vars, temp1, ST_EQ, id, gdata_type, nested_local_assigned1, nested_global_assigned1, nested_flip1);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (cur_op != ST_EQ)
init.push_back (make_tuple (new_rhs, new datatype_node<int> (get_init_val (convert_op_to_stmt_op (op)), INT), ST_EQ));
tstmt.push_back (make_tuple (new_rhs, temp1, convert_op_to_stmt_op (op)));
tstmt.push_back (make_tuple (new_rhs, rhs, convert_op_to_stmt_op (op)));
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now infer the type of lhs and the new rhs
type = infer_data_type (temp1->get_type(), rhs->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp1);
temp_vars.push_back (new_rhs);
}
}
else {
// If the cur_op is the same as my op, it simplifies a lot of things
if (cur_op == convert_op_to_stmt_op (op)) {
lhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
rhs->decompose_node (tstmt, init, temp_vars, alhs, convert_op_to_stmt_op (op), id, gdata_type, local_assigned, global_assigned, flip);
}
else {
// Explore each child with a separate lhs
string name_t0 = "_t_" + to_string (id++) + "_";
string name_t1 = "_t_" + to_string (id++) + "_";
string name_t2 = "_t_" + to_string (id++) + "_";
expr_node *new_rhs = new id_node (name_t0);
expr_node *temp1 = new id_node (name_t1);
expr_node *temp2 = new id_node (name_t2);
bool nested_local_assigned1 = false, nested_local_assigned2 = false;
bool nested_global_assigned1 = false, nested_global_assigned2 = false;
bool nested_flip1 = false, nested_flip2 = false;
lhs->decompose_node (tstmt, init, temp_vars, temp1, ST_EQ, id, gdata_type, nested_local_assigned1, nested_global_assigned1, nested_flip1);
rhs->decompose_node (tstmt, init, temp_vars, temp2, ST_EQ, id, gdata_type, nested_local_assigned2, nested_global_assigned2, nested_flip2);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (cur_op != ST_EQ)
init.push_back (make_tuple (new_rhs, new datatype_node<int> (get_init_val (convert_op_to_stmt_op (op)), INT), ST_EQ));
tstmt.push_back (make_tuple (new_rhs, temp1, convert_op_to_stmt_op (op)));
tstmt.push_back (make_tuple (new_rhs, temp2, convert_op_to_stmt_op (op)));
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now infer the type of lhs and the new rhs
type = infer_data_type (temp1->get_type(), temp2->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp1);
temp_vars.push_back (temp2);
temp_vars.push_back (new_rhs);
}
}
}
else {
if ((lhs->is_id_type (gdata_type) || lhs->is_data_type (gdata_type) || lhs->is_shiftvec_type (gdata_type)) &&
(rhs->is_id_type (gdata_type) || rhs->is_data_type (gdata_type) || rhs->is_shiftvec_type (gdata_type))) {
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
// If both lhs and rhs are simple (no further investiagion required), use the same node
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, this, cur_op));
local_assigned = true;
global_assigned = true;
// Now determine the type. First set the types of children, and then the parent
type = infer_data_type (lhs->get_type (), rhs->get_type());
alhs->set_type (gdata_type);
}
else if (lhs->is_id_type (gdata_type) || lhs->is_data_type (gdata_type) || lhs->is_shiftvec_type (gdata_type)) {
// lhs is simple, so only explore rhs
string name_t2 = "_t_" + to_string (id++) + "_";
expr_node *temp2 = new id_node (name_t2);
bool nested_local_assigned2 = false;
bool nested_global_assigned2 = false;
bool nested_flip2 = false;
rhs->decompose_node (tstmt, init, temp_vars, temp2, ST_EQ, id, gdata_type, nested_local_assigned2, nested_global_assigned2, nested_flip2);
expr_node *new_rhs = new binary_node (op, lhs, temp2);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now infer the type of lhs and the new rhs
type = infer_data_type (lhs->get_type(), temp2->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp2);
temp_vars.push_back (new_rhs);
}
else if (rhs->is_id_type (gdata_type) || rhs->is_data_type (gdata_type) || rhs->is_shiftvec_type (gdata_type)) {
// Explore each child with a separate lhs
string name_t1 = "_t_" + to_string (id++) + "_";
expr_node *temp1 = new id_node (name_t1);
bool nested_local_assigned1 = false;
bool nested_global_assigned1 = false;
bool nested_flip1 = false;
lhs->decompose_node (tstmt, init, temp_vars, temp1, ST_EQ, id, gdata_type, nested_local_assigned1, nested_global_assigned1, nested_flip1);
expr_node *new_rhs = new binary_node (op, temp1, rhs);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now infer the type of lhs and the new rhs
type = infer_data_type (temp1->get_type(), rhs->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp1);
temp_vars.push_back (new_rhs);
}
else {
// Explore each child with a separate lhs
string name_t1 = "_t_" + to_string (id++) + "_";
string name_t2 = "_t_" + to_string (id++) + "_";
expr_node *temp1 = new id_node (name_t1);
expr_node *temp2 = new id_node (name_t2);
bool nested_local_assigned1 = false, nested_local_assigned2 = false;
bool nested_global_assigned1 = false, nested_global_assigned2 = false;
bool nested_flip1 = false, nested_flip2 = false;
lhs->decompose_node (tstmt, init, temp_vars, temp1, ST_EQ, id, gdata_type, nested_local_assigned1, nested_global_assigned1, nested_flip1);
rhs->decompose_node (tstmt, init, temp_vars, temp2, ST_EQ, id, gdata_type, nested_local_assigned2, nested_global_assigned2, nested_flip2);
expr_node *new_rhs = new binary_node (op, temp1, temp2);
if (!local_assigned) cur_op = acc_start_op (cur_op);
cur_op = get_cur_op (cur_op, flip);
if (!global_assigned && cur_op != ST_EQ)
init.push_back (make_tuple (alhs, new datatype_node<int> (get_init_val (cur_op), INT), ST_EQ));
tstmt.push_back (make_tuple (alhs, new_rhs, cur_op));
local_assigned = true;
global_assigned = true;
// Now infer the type of lhs and the new rhs
type = infer_data_type (temp1->get_type(), temp2->get_type());
new_rhs->set_type (type);
alhs->set_type (gdata_type);
temp_vars.push_back (temp1);
temp_vars.push_back (temp2);
temp_vars.push_back (new_rhs);
}
}
}
void binary_node::create_labels (map<string, expr_node*> &label_map) {
lhs->create_labels (label_map);
rhs->create_labels (label_map);
}
void binary_node::create_labels (map<string, int> &lassign_map, map<string, expr_node*> &label_map, bool is_asgn) {
lhs->create_labels (lassign_map, label_map, is_asgn);
rhs->create_labels (lassign_map, label_map, is_asgn);
}
//void binary_node::stringify_accesses (vector<string> &labels, string &expr_label, map<string, int> &lassign_map, bool is_asgn) {
// lhs->stringify_accesses (labels, expr_label, lassign_map, is_asgn);
// expr_label = expr_label + print_operator (op);
// rhs->stringify_accesses (labels, expr_label, lassign_map, is_asgn);
//}
void binary_node::stringify_accesses (vector<string> &labels, string &expr_label) {
lhs->stringify_accesses (labels, expr_label);
expr_label = expr_label + print_operator (op);
rhs->stringify_accesses (labels, expr_label);
}
void binary_node::array_access_info (string &id, int &offset) {
string l_id = "", r_id = "";
int l_val = 0, r_val = 0;
lhs->array_access_info (l_id, l_val);
rhs->array_access_info (r_id, r_val);
if (op == T_DIV) {
if (DEBUG) assert ((l_id.length () == 0 || l_val == 0) && "Complicated division of array accesses unhandled (array_access_info)");
if (DEBUG) assert ((r_id.length () == 0 || r_val == 0) && "Complicated division of array accesses unhandled (array_access_info)");
if (l_id.length () == 0 && r_id.length () == 0)
offset += floor (l_val / r_val);
else if (l_id.length () != 0) {
if (r_id.length () == 0)
id = id + l_id + "/" + to_string (r_val);
else
id = id + l_id + "/" + r_id;
}
else if (r_id.length () != 0)
id = id + to_string (l_val) + "/" + r_id;
}
else if (op == T_MULT) {
// Arrange IDs on left, and val on right.
if (DEBUG) assert ((l_id.length () == 0 || l_val == 0) && "Complicated multiplication of array accesses unhandled (array_access_info)");
if (DEBUG) assert ((r_id.length () == 0 || r_val == 0) && "Complicated multiplication of array accesses unhandled (array_access_info)");
if (l_id.length () == 0 && r_id.length () == 0)
offset += l_val * r_val;
else if (l_id.length () != 0) {
if (r_id.length () == 0)
id = id + l_id + "*" + to_string (r_val);
else {
string first = (l_id.compare (r_id) <= 0) ? l_id : r_id;
string second = (l_id.compare (r_id) > 0) ? l_id : r_id;
id = id + first + "*" + second;
}
}
else if (r_id.length () != 0)
id = id + r_id + "*" + to_string (l_val);
}
else if (op == T_PLUS) {
if (l_id.length () > 0 && r_id.length () > 0) {
string first = (l_id.compare (r_id) <= 0) ? l_id : r_id;
string second = (l_id.compare (r_id) > 0) ? l_id : r_id;
id = id + first + "+" + second;
}
else if (l_id.length () > 0)
id = id + l_id;
else if (r_id.length () > 0)
id = id + r_id;
offset += l_val + r_val;
}
else if (op == T_MINUS) {
if (l_id.length () > 0 && r_id.length () > 0) {
string first = (l_id.compare (r_id) <= 0) ? l_id : r_id;
string second = (l_id.compare (r_id) > 0) ? l_id : r_id;
id = id + first + "-" + second;
}
else if (l_id.length () > 0)
id = id + l_id;
else if (r_id.length () > 0)
id = id + "-" + r_id;
offset += l_val - r_val;
}
}
void binary_node::gather_participating_labels (vector<string> &labels, vector<string> &names, vector<string> coefficients) {
lhs->gather_participating_labels (labels, names, coefficients);
rhs->gather_participating_labels (labels, names, coefficients);
}
vector<expr_node *>& shiftvec_node::get_indices (void) {
return indices;
}
int shiftvec_node::get_index_size (void) {
return indices.size ();
}
void shiftvec_node::gather_participating_labels (vector<string> &labels, vector<string> &names, vector<string> coefficients) {
if (find (labels.begin(), labels.end(), label) == labels.end()) {
if (!DROP_COEFS || (find (coefficients.begin(), coefficients.end(), name) == coefficients.end()))
labels.push_back (label);
}
if (find (names.begin(), names.end(), name) == names.end()) {
if (!DROP_COEFS || (find (coefficients.begin(), coefficients.end(), name) == coefficients.end()))
names.push_back (name);
}
}
void shiftvec_node::print_node (stringstream &out) {
out << print_array ();
}
void shiftvec_node::print_node (stringstream &out, vector<string> &initialized_labels, vector<string> &iters, bool perform_load, bool is_lhs) {
if (perform_load || is_lhs || (find (initialized_labels.begin(), initialized_labels.end(), label) != initialized_labels.end()))
out << label;
else {
if (!PRINT_INTRINSICS)
out << print_array ();
else {
// Get the last dimension
string arr_id = "";
int offset = 0;
vector<expr_node*>::reverse_iterator it = indices.rbegin();
(*it)->array_access_info (arr_id, offset);
if (DEBUG) assert (!iters.empty () && "Forgot to specify the iterators in the DSL? (print_node ())");
bool splat = (arr_id.compare (iters.front()) != 0);
if (splat) {
if (type == DOUBLE) out << "_mm256_set1_pd (" << print_array () << ")";
else if (type == FLOAT) out << "_mm256_set1_ps (" << print_array () << ")";
else out << "_mm256_set1_epi64 (" << print_array () << ")";
}
else {
if (type == DOUBLE) out << "_mm256_loadu_pd (&" << print_array () << ")";
else if (type == FLOAT) out << "_mm256_loadu_ps (&" << print_array () << ")";
else out << "_mm256_loadu_epi64 (&" << print_array () << ")";
}
}
}
}
string shiftvec_node::print_array (void) {
stringstream out;
out << name;
for (vector<expr_node*>::const_iterator i=indices.begin(); i!=indices.end(); i++) {
string id = "";
int offset = 0;
(*i)->array_access_info (id, offset);
out << "[";
if (id.compare ("") == 0)
out << offset;
else {
out << id;
if (offset > 0) out << "+";
else if (offset < 0) out << "-";
if (offset != 0) out << abs (offset);