static match
match_level_5 (gfc_expr **result)
{
gfc_expr *all, *e, *total;
locus where;
match m;
gfc_intrinsic_op i;
m = match_equiv_operand (&all);
if (m != MATCH_YES)
return m;
for (;;)
{
if (next_operator (INTRINSIC_EQV))
i = INTRINSIC_EQV;
else
{
if (next_operator (INTRINSIC_NEQV))
i = INTRINSIC_NEQV;
else
break;
}
where = gfc_current_locus;
m = match_equiv_operand (&e);
if (m == MATCH_NO)
gfc_error (expression_syntax);
if (m != MATCH_YES)
{
gfc_free_expr (all);
return MATCH_ERROR;
}
if (i == INTRINSIC_EQV)
total = gfc_eqv (all, e);
else
total = gfc_neqv (all, e);
if (total == NULL)
{
gfc_free_expr (all);
gfc_free_expr (e);
return MATCH_ERROR;
}
all = total;
all->where = where;
}
*result = all;
return MATCH_YES;
}
void
gfc_free_omp_clauses (gfc_omp_clauses *c)
{
int i;
if (c == NULL)
return;
gfc_free_expr (c->if_expr);
gfc_free_expr (c->num_threads);
gfc_free_expr (c->chunk_size);
for (i = 0; i < OMP_LIST_NUM; i++)
gfc_free_namelist (c->lists[i]);
gfc_free (c);
}
static match
match_and_operand (gfc_expr **result)
{
gfc_expr *e, *r;
locus where;
match m;
int i;
i = next_operator (INTRINSIC_NOT);
where = gfc_current_locus;
m = match_level_4 (&e);
if (m != MATCH_YES)
return m;
r = e;
if (i)
{
r = gfc_not (e);
if (r == NULL)
{
gfc_free_expr (e);
return MATCH_ERROR;
}
}
r->where = where;
*result = r;
return MATCH_YES;
}
void
gfc_free_array_spec (gfc_array_spec * as)
{
int i;
if (as == NULL)
return;
for (i = 0; i < as->rank; i++)
{
gfc_free_expr (as->lower[i]);
gfc_free_expr (as->upper[i]);
}
gfc_free (as);
}
static void
get_array_index (gfc_array_ref *ar, mpz_t *offset)
{
gfc_expr *e;
int i;
mpz_t delta;
mpz_t tmp;
mpz_init (tmp);
mpz_set_si (*offset, 0);
mpz_init_set_si (delta, 1);
for (i = 0; i < ar->dimen; i++)
{
e = gfc_copy_expr (ar->start[i]);
gfc_simplify_expr (e, 1);
if ((gfc_is_constant_expr (ar->as->lower[i]) == 0)
|| (gfc_is_constant_expr (ar->as->upper[i]) == 0)
|| (gfc_is_constant_expr (e) == 0))
gfc_error ("non-constant array in DATA statement %L", &ar->where);
mpz_set (tmp, e->value.integer);
gfc_free_expr (e);
mpz_sub (tmp, tmp, ar->as->lower[i]->value.integer);
mpz_mul (tmp, tmp, delta);
mpz_add (*offset, tmp, *offset);
mpz_sub (tmp, ar->as->upper[i]->value.integer,
ar->as->lower[i]->value.integer);
mpz_add_ui (tmp, tmp, 1);
mpz_mul (delta, tmp, delta);
}
mpz_clear (delta);
mpz_clear (tmp);
}
static match
match_mult_operand (gfc_expr **result)
{
/* Workaround -Wmaybe-uninitialized false positive during
profiledbootstrap by initializing them. */
gfc_expr *e = NULL, *exp, *r;
locus where;
match m;
m = match_level_1 (&e);
if (m != MATCH_YES)
return m;
if (!next_operator (INTRINSIC_POWER))
{
*result = e;
return MATCH_YES;
}
where = gfc_current_locus;
m = match_ext_mult_operand (&exp);
if (m == MATCH_NO)
gfc_error ("Expected exponent in expression at %C");
if (m != MATCH_YES)
{
gfc_free_expr (e);
return MATCH_ERROR;
}
r = gfc_power (e, exp);
if (r == NULL)
{
gfc_free_expr (e);
gfc_free_expr (exp);
return MATCH_ERROR;
}
r->where = where;
*result = r;
return MATCH_YES;
}
match
gfc_match_expr (gfc_expr **result)
{
gfc_expr *all, *e;
gfc_user_op *uop;
locus where;
match m;
m = match_level_5 (&all);
if (m != MATCH_YES)
return m;
for (;;)
{
uop = NULL;
m = match_defined_operator (&uop);
if (m == MATCH_NO)
break;
if (m == MATCH_ERROR)
{
gfc_free_expr (all);
return MATCH_ERROR;
}
where = gfc_current_locus;
m = match_level_5 (&e);
if (m == MATCH_NO)
gfc_error (expression_syntax);
if (m != MATCH_YES)
{
gfc_free_expr (all);
return MATCH_ERROR;
}
all = gfc_get_operator_expr (&where, INTRINSIC_USER, all, e);
all->value.op.uop = uop;
}
*result = all;
return MATCH_YES;
}
static match
match_level_3 (gfc_expr **result)
{
gfc_expr *all, *e, *total = NULL;
locus where;
match m;
m = match_level_2 (&all);
if (m != MATCH_YES)
return m;
for (;;)
{
if (!next_operator (INTRINSIC_CONCAT))
break;
where = gfc_current_locus;
m = match_level_2 (&e);
if (m == MATCH_NO)
gfc_error (expression_syntax);
if (m != MATCH_YES)
{
gfc_free_expr (all);
return MATCH_ERROR;
}
total = gfc_concat (all, e);
if (total == NULL)
{
gfc_free_expr (all);
gfc_free_expr (e);
return MATCH_ERROR;
}
all = total;
all->where = where;
}
*result = all;
return MATCH_YES;
}
static match
match_mult_operand (gfc_expr **result)
{
gfc_expr *e, *exp, *r;
locus where;
match m;
m = match_level_1 (&e);
if (m != MATCH_YES)
return m;
if (!next_operator (INTRINSIC_POWER))
{
*result = e;
return MATCH_YES;
}
where = gfc_current_locus;
m = match_ext_mult_operand (&exp);
if (m == MATCH_NO)
gfc_error ("Expected exponent in expression at %C");
if (m != MATCH_YES)
{
gfc_free_expr (e);
return MATCH_ERROR;
}
r = gfc_power (e, exp);
if (r == NULL)
{
gfc_free_expr (e);
gfc_free_expr (exp);
return MATCH_ERROR;
}
r->where = where;
*result = r;
return MATCH_YES;
}
static match
match_primary (gfc_expr **result)
{
match m;
gfc_expr *e;
m = gfc_match_literal_constant (result, 0);
if (m != MATCH_NO)
return m;
m = gfc_match_array_constructor (result);
if (m != MATCH_NO)
return m;
m = gfc_match_rvalue (result);
if (m != MATCH_NO)
return m;
/* Match an expression in parentheses. */
if (gfc_match_char ('(') != MATCH_YES)
return MATCH_NO;
m = gfc_match_expr (&e);
if (m == MATCH_NO)
goto syntax;
if (m == MATCH_ERROR)
return m;
m = gfc_match_char (')');
if (m == MATCH_NO)
gfc_error ("Expected a right parenthesis in expression at %C");
/* Now we have the expression inside the parentheses, build the
expression pointing to it. By 7.1.7.2, any expression in
parentheses shall be treated as a data entity. */
*result = gfc_get_parentheses (e);
if (m != MATCH_YES)
{
gfc_free_expr (*result);
return MATCH_ERROR;
}
return MATCH_YES;
syntax:
gfc_error (expression_syntax);
return MATCH_ERROR;
}
static void
node_free (splay_tree_value value)
{
gfc_constructor *c = (gfc_constructor*)value;
if (c->expr)
gfc_free_expr (c->expr);
if (c->iterator)
gfc_free_iterator (c->iterator, 1);
mpz_clear (c->offset);
mpz_clear (c->repeat);
free (c);
}
static match
match_ext_add_operand (gfc_expr **result)
{
gfc_expr *all, *e;
locus where;
match m;
int i;
where = gfc_current_locus;
i = match_add_op ();
if (i == 0)
return match_add_operand (result);
if (gfc_notification_std (GFC_STD_GNU) == ERROR)
{
gfc_error ("Extension: Unary operator following "
"arithmetic operator (use parentheses) at %C");
return MATCH_ERROR;
}
else
gfc_warning (0, "Extension: Unary operator following "
"arithmetic operator (use parentheses) at %C");
m = match_ext_add_operand (&e);
if (m != MATCH_YES)
return m;
if (i == -1)
all = gfc_uminus (e);
else
all = gfc_uplus (e);
if (all == NULL)
{
gfc_free_expr (e);
return MATCH_ERROR;
}
all->where = where;
*result = all;
return MATCH_YES;
}
static match
match_primary (gfc_expr ** result)
{
match m;
m = gfc_match_literal_constant (result, 0);
if (m != MATCH_NO)
return m;
m = gfc_match_array_constructor (result);
if (m != MATCH_NO)
return m;
m = gfc_match_rvalue (result);
if (m != MATCH_NO)
return m;
/* Match an expression in parenthesis. */
if (gfc_match_char ('(') != MATCH_YES)
return MATCH_NO;
m = gfc_match_expr (result);
if (m == MATCH_NO)
goto syntax;
if (m == MATCH_ERROR)
return m;
m = gfc_match_char (')');
if (m == MATCH_NO)
gfc_error ("Expected a right parenthesis in expression at %C");
if (m != MATCH_YES)
{
gfc_free_expr (*result);
return MATCH_ERROR;
}
return MATCH_YES;
syntax:
gfc_error (expression_syntax);
return MATCH_ERROR;
}
static gfc_expr *
create_character_initializer (gfc_expr *init, gfc_typespec *ts,
gfc_ref *ref, gfc_expr *rvalue)
{
int len, start, end, tlen;
gfc_char_t *dest;
bool alloced_init = false;
gfc_extract_int (ts->u.cl->length, &len);
if (init == NULL)
{
/* Create a new initializer. */
init = gfc_get_character_expr (ts->kind, NULL, NULL, len);
init->ts = *ts;
alloced_init = true;
}
dest = init->value.character.string;
if (ref)
{
gfc_expr *start_expr, *end_expr;
gcc_assert (ref->type == REF_SUBSTRING);
/* Only set a substring of the destination. Fortran substring bounds
are one-based [start, end], we want zero based [start, end). */
start_expr = gfc_copy_expr (ref->u.ss.start);
end_expr = gfc_copy_expr (ref->u.ss.end);
if ((!gfc_simplify_expr(start_expr, 1))
|| !(gfc_simplify_expr(end_expr, 1)))
{
gfc_error ("failure to simplify substring reference in DATA "
"statement at %L", &ref->u.ss.start->where);
gfc_free_expr (start_expr);
gfc_free_expr (end_expr);
if (alloced_init)
gfc_free_expr (init);
return NULL;
}
gfc_extract_int (start_expr, &start);
gfc_free_expr (start_expr);
start--;
gfc_extract_int (end_expr, &end);
gfc_free_expr (end_expr);
}
else
{
/* Set the whole string. */
start = 0;
end = len;
}
/* Copy the initial value. */
if (rvalue->ts.type == BT_HOLLERITH)
len = rvalue->representation.length - rvalue->ts.u.pad;
else
len = rvalue->value.character.length;
tlen = end - start;
if (len > tlen)
{
if (tlen < 0)
{
gfc_warning_now (0, "Unused initialization string at %L because "
"variable has zero length", &rvalue->where);
len = 0;
}
else
{
gfc_warning_now (0, "Initialization string at %L was truncated to "
"fit the variable (%d/%d)", &rvalue->where,
tlen, len);
len = tlen;
}
}
if (rvalue->ts.type == BT_HOLLERITH)
{
int i;
for (i = 0; i < len; i++)
dest[start+i] = rvalue->representation.string[i];
}
else
memcpy (&dest[start], rvalue->value.character.string,
len * sizeof (gfc_char_t));
/* Pad with spaces. Substrings will already be blanked. */
if (len < tlen && ref == NULL)
gfc_wide_memset (&dest[start + len], ' ', end - (start + len));
if (rvalue->ts.type == BT_HOLLERITH)
{
init->representation.length = init->value.character.length;
init->representation.string
= gfc_widechar_to_char (init->value.character.string,
init->value.character.length);
}
return init;
}
bool
gfc_assign_data_value (gfc_expr *lvalue, gfc_expr *rvalue, mpz_t index,
mpz_t *repeat)
{
gfc_ref *ref;
gfc_expr *init;
gfc_expr *expr = NULL;
gfc_constructor *con;
gfc_constructor *last_con;
gfc_symbol *symbol;
gfc_typespec *last_ts;
mpz_t offset;
symbol = lvalue->symtree->n.sym;
init = symbol->value;
last_ts = &symbol->ts;
last_con = NULL;
mpz_init_set_si (offset, 0);
/* Find/create the parent expressions for subobject references. */
for (ref = lvalue->ref; ref; ref = ref->next)
{
/* Break out of the loop if we find a substring. */
if (ref->type == REF_SUBSTRING)
{
/* A substring should always be the last subobject reference. */
gcc_assert (ref->next == NULL);
break;
}
/* Use the existing initializer expression if it exists. Otherwise
create a new one. */
if (init == NULL)
expr = gfc_get_expr ();
else
expr = init;
/* Find or create this element. */
switch (ref->type)
{
case REF_ARRAY:
if (ref->u.ar.as->rank == 0)
{
gcc_assert (ref->u.ar.as->corank > 0);
if (init == NULL)
free (expr);
continue;
}
if (init && expr->expr_type != EXPR_ARRAY)
{
gfc_error ("%qs at %L already is initialized at %L",
lvalue->symtree->n.sym->name, &lvalue->where,
&init->where);
goto abort;
}
if (init == NULL)
{
/* The element typespec will be the same as the array
typespec. */
expr->ts = *last_ts;
/* Setup the expression to hold the constructor. */
expr->expr_type = EXPR_ARRAY;
expr->rank = ref->u.ar.as->rank;
}
if (ref->u.ar.type == AR_ELEMENT)
get_array_index (&ref->u.ar, &offset);
else
mpz_set (offset, index);
/* Check the bounds. */
if (mpz_cmp_si (offset, 0) < 0)
{
gfc_error ("Data element below array lower bound at %L",
&lvalue->where);
goto abort;
}
else if (repeat != NULL
&& ref->u.ar.type != AR_ELEMENT)
{
mpz_t size, end;
gcc_assert (ref->u.ar.type == AR_FULL
&& ref->next == NULL);
mpz_init_set (end, offset);
mpz_add (end, end, *repeat);
if (spec_size (ref->u.ar.as, &size))
{
if (mpz_cmp (end, size) > 0)
{
mpz_clear (size);
gfc_error ("Data element above array upper bound at %L",
&lvalue->where);
goto abort;
}
mpz_clear (size);
}
con = gfc_constructor_lookup (expr->value.constructor,
mpz_get_si (offset));
if (!con)
{
con = gfc_constructor_lookup_next (expr->value.constructor,
mpz_get_si (offset));
if (con != NULL && mpz_cmp (con->offset, end) >= 0)
con = NULL;
}
/* Overwriting an existing initializer is non-standard but
usually only provokes a warning from other compilers. */
if (con != NULL && con->expr != NULL)
{
/* Order in which the expressions arrive here depends on
whether they are from data statements or F95 style
declarations. Therefore, check which is the most
recent. */
gfc_expr *exprd;
exprd = (LOCATION_LINE (con->expr->where.lb->location)
> LOCATION_LINE (rvalue->where.lb->location))
? con->expr : rvalue;
if (gfc_notify_std (GFC_STD_GNU,
"re-initialization of %qs at %L",
symbol->name, &exprd->where) == false)
return false;
}
while (con != NULL)
{
gfc_constructor *next_con = gfc_constructor_next (con);
if (mpz_cmp (con->offset, end) >= 0)
break;
if (mpz_cmp (con->offset, offset) < 0)
{
gcc_assert (mpz_cmp_si (con->repeat, 1) > 0);
mpz_sub (con->repeat, offset, con->offset);
}
else if (mpz_cmp_si (con->repeat, 1) > 0
&& mpz_get_si (con->offset)
+ mpz_get_si (con->repeat) > mpz_get_si (end))
{
int endi;
splay_tree_node node
= splay_tree_lookup (con->base,
mpz_get_si (con->offset));
gcc_assert (node
&& con == (gfc_constructor *) node->value
&& node->key == (splay_tree_key)
mpz_get_si (con->offset));
endi = mpz_get_si (con->offset)
+ mpz_get_si (con->repeat);
if (endi > mpz_get_si (end) + 1)
mpz_set_si (con->repeat, endi - mpz_get_si (end));
else
mpz_set_si (con->repeat, 1);
mpz_set (con->offset, end);
node->key = (splay_tree_key) mpz_get_si (end);
break;
}
else
gfc_constructor_remove (con);
con = next_con;
}
con = gfc_constructor_insert_expr (&expr->value.constructor,
NULL, &rvalue->where,
mpz_get_si (offset));
mpz_set (con->repeat, *repeat);
repeat = NULL;
mpz_clear (end);
break;
}
else
{
mpz_t size;
if (spec_size (ref->u.ar.as, &size))
{
if (mpz_cmp (offset, size) >= 0)
{
mpz_clear (size);
gfc_error ("Data element above array upper bound at %L",
&lvalue->where);
goto abort;
}
mpz_clear (size);
}
}
con = gfc_constructor_lookup (expr->value.constructor,
mpz_get_si (offset));
if (!con)
{
con = gfc_constructor_insert_expr (&expr->value.constructor,
NULL, &rvalue->where,
mpz_get_si (offset));
}
else if (mpz_cmp_si (con->repeat, 1) > 0)
{
/* Need to split a range. */
if (mpz_cmp (con->offset, offset) < 0)
{
gfc_constructor *pred_con = con;
con = gfc_constructor_insert_expr (&expr->value.constructor,
NULL, &con->where,
mpz_get_si (offset));
con->expr = gfc_copy_expr (pred_con->expr);
mpz_add (con->repeat, pred_con->offset, pred_con->repeat);
mpz_sub (con->repeat, con->repeat, offset);
mpz_sub (pred_con->repeat, offset, pred_con->offset);
}
if (mpz_cmp_si (con->repeat, 1) > 0)
{
gfc_constructor *succ_con;
succ_con
= gfc_constructor_insert_expr (&expr->value.constructor,
NULL, &con->where,
mpz_get_si (offset) + 1);
succ_con->expr = gfc_copy_expr (con->expr);
mpz_sub_ui (succ_con->repeat, con->repeat, 1);
mpz_set_si (con->repeat, 1);
}
}
break;
case REF_COMPONENT:
if (init == NULL)
{
/* Setup the expression to hold the constructor. */
expr->expr_type = EXPR_STRUCTURE;
expr->ts.type = BT_DERIVED;
expr->ts.u.derived = ref->u.c.sym;
}
else
gcc_assert (expr->expr_type == EXPR_STRUCTURE);
last_ts = &ref->u.c.component->ts;
/* Find the same element in the existing constructor. */
con = find_con_by_component (ref->u.c.component,
expr->value.constructor);
if (con == NULL)
{
/* Create a new constructor. */
con = gfc_constructor_append_expr (&expr->value.constructor,
NULL, NULL);
con->n.component = ref->u.c.component;
}
break;
default:
gcc_unreachable ();
}
if (init == NULL)
{
/* Point the container at the new expression. */
if (last_con == NULL)
symbol->value = expr;
else
last_con->expr = expr;
}
init = con->expr;
last_con = con;
}
mpz_clear (offset);
gcc_assert (repeat == NULL);
if (ref || last_ts->type == BT_CHARACTER)
{
if (lvalue->ts.u.cl->length == NULL && !(ref && ref->u.ss.length != NULL))
return false;
expr = create_character_initializer (init, last_ts, ref, rvalue);
}
else
{
/* Overwriting an existing initializer is non-standard but usually only
provokes a warning from other compilers. */
if (init != NULL)
{
/* Order in which the expressions arrive here depends on whether
they are from data statements or F95 style declarations.
Therefore, check which is the most recent. */
expr = (LOCATION_LINE (init->where.lb->location)
> LOCATION_LINE (rvalue->where.lb->location))
? init : rvalue;
if (gfc_notify_std (GFC_STD_GNU,
"re-initialization of %qs at %L",
symbol->name, &expr->where) == false)
return false;
}
expr = gfc_copy_expr (rvalue);
if (!gfc_compare_types (&lvalue->ts, &expr->ts))
gfc_convert_type (expr, &lvalue->ts, 0);
}
if (last_con == NULL)
symbol->value = expr;
else
last_con->expr = expr;
return true;
abort:
if (!init)
gfc_free_expr (expr);
mpz_clear (offset);
return false;
}
static void
gfc_trans_omp_array_reduction (tree c, gfc_symbol *sym, locus where)
{
gfc_symtree *root1 = NULL, *root2 = NULL, *root3 = NULL, *root4 = NULL;
gfc_symtree *symtree1, *symtree2, *symtree3, *symtree4 = NULL;
gfc_symbol init_val_sym, outer_sym, intrinsic_sym;
gfc_expr *e1, *e2, *e3, *e4;
gfc_ref *ref;
tree decl, backend_decl, stmt;
locus old_loc = gfc_current_locus;
const char *iname;
try t;
decl = OMP_CLAUSE_DECL (c);
gfc_current_locus = where;
/* Create a fake symbol for init value. */
memset (&init_val_sym, 0, sizeof (init_val_sym));
init_val_sym.ns = sym->ns;
init_val_sym.name = sym->name;
init_val_sym.ts = sym->ts;
init_val_sym.attr.referenced = 1;
init_val_sym.declared_at = where;
init_val_sym.attr.flavor = FL_VARIABLE;
backend_decl = omp_reduction_init (c, gfc_sym_type (&init_val_sym));
init_val_sym.backend_decl = backend_decl;
/* Create a fake symbol for the outer array reference. */
outer_sym = *sym;
outer_sym.as = gfc_copy_array_spec (sym->as);
outer_sym.attr.dummy = 0;
outer_sym.attr.result = 0;
outer_sym.attr.flavor = FL_VARIABLE;
outer_sym.backend_decl = create_tmp_var_raw (TREE_TYPE (decl), NULL);
/* Create fake symtrees for it. */
symtree1 = gfc_new_symtree (&root1, sym->name);
symtree1->n.sym = sym;
gcc_assert (symtree1 == root1);
symtree2 = gfc_new_symtree (&root2, sym->name);
symtree2->n.sym = &init_val_sym;
gcc_assert (symtree2 == root2);
symtree3 = gfc_new_symtree (&root3, sym->name);
symtree3->n.sym = &outer_sym;
gcc_assert (symtree3 == root3);
/* Create expressions. */
e1 = gfc_get_expr ();
e1->expr_type = EXPR_VARIABLE;
e1->where = where;
e1->symtree = symtree1;
e1->ts = sym->ts;
e1->ref = ref = gfc_get_ref ();
ref->u.ar.where = where;
ref->u.ar.as = sym->as;
ref->u.ar.type = AR_FULL;
ref->u.ar.dimen = 0;
t = gfc_resolve_expr (e1);
gcc_assert (t == SUCCESS);
e2 = gfc_get_expr ();
e2->expr_type = EXPR_VARIABLE;
e2->where = where;
e2->symtree = symtree2;
e2->ts = sym->ts;
t = gfc_resolve_expr (e2);
gcc_assert (t == SUCCESS);
e3 = gfc_copy_expr (e1);
e3->symtree = symtree3;
t = gfc_resolve_expr (e3);
gcc_assert (t == SUCCESS);
iname = NULL;
switch (OMP_CLAUSE_REDUCTION_CODE (c))
{
case PLUS_EXPR:
case MINUS_EXPR:
e4 = gfc_add (e3, e1);
break;
case MULT_EXPR:
e4 = gfc_multiply (e3, e1);
break;
case TRUTH_ANDIF_EXPR:
e4 = gfc_and (e3, e1);
break;
case TRUTH_ORIF_EXPR:
e4 = gfc_or (e3, e1);
break;
case EQ_EXPR:
e4 = gfc_eqv (e3, e1);
break;
case NE_EXPR:
e4 = gfc_neqv (e3, e1);
break;
case MIN_EXPR:
iname = "min";
break;
case MAX_EXPR:
iname = "max";
break;
case BIT_AND_EXPR:
iname = "iand";
break;
case BIT_IOR_EXPR:
iname = "ior";
break;
case BIT_XOR_EXPR:
iname = "ieor";
break;
default:
gcc_unreachable ();
}
if (iname != NULL)
{
memset (&intrinsic_sym, 0, sizeof (intrinsic_sym));
intrinsic_sym.ns = sym->ns;
intrinsic_sym.name = iname;
intrinsic_sym.ts = sym->ts;
intrinsic_sym.attr.referenced = 1;
intrinsic_sym.attr.intrinsic = 1;
intrinsic_sym.attr.function = 1;
intrinsic_sym.result = &intrinsic_sym;
intrinsic_sym.declared_at = where;
symtree4 = gfc_new_symtree (&root4, iname);
symtree4->n.sym = &intrinsic_sym;
gcc_assert (symtree4 == root4);
e4 = gfc_get_expr ();
e4->expr_type = EXPR_FUNCTION;
e4->where = where;
e4->symtree = symtree4;
e4->value.function.isym = gfc_find_function (iname);
e4->value.function.actual = gfc_get_actual_arglist ();
e4->value.function.actual->expr = e3;
e4->value.function.actual->next = gfc_get_actual_arglist ();
e4->value.function.actual->next->expr = e1;
}
/* e1 and e3 have been stored as arguments of e4, avoid sharing. */
e1 = gfc_copy_expr (e1);
e3 = gfc_copy_expr (e3);
t = gfc_resolve_expr (e4);
gcc_assert (t == SUCCESS);
/* Create the init statement list. */
pushlevel (0);
stmt = gfc_trans_assignment (e1, e2, false);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
else
poplevel (0, 0, 0);
OMP_CLAUSE_REDUCTION_INIT (c) = stmt;
/* Create the merge statement list. */
pushlevel (0);
stmt = gfc_trans_assignment (e3, e4, false);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
else
poplevel (0, 0, 0);
OMP_CLAUSE_REDUCTION_MERGE (c) = stmt;
/* And stick the placeholder VAR_DECL into the clause as well. */
OMP_CLAUSE_REDUCTION_PLACEHOLDER (c) = outer_sym.backend_decl;
gfc_current_locus = old_loc;
gfc_free_expr (e1);
gfc_free_expr (e2);
gfc_free_expr (e3);
gfc_free_expr (e4);
gfc_free (symtree1);
gfc_free (symtree2);
gfc_free (symtree3);
if (symtree4)
gfc_free (symtree4);
gfc_free_array_spec (outer_sym.as);
}
static tree
gfc_trans_omp_reduction_list (gfc_namelist *namelist, tree list,
enum tree_code reduction_code, locus where)
{
for (; namelist != NULL; namelist = namelist->next)
if (namelist->sym->attr.referenced)
{
tree t = gfc_trans_omp_variable (namelist->sym);
if (t != error_mark_node)
{
tree node = build_omp_clause (OMP_CLAUSE_REDUCTION);
OMP_CLAUSE_DECL (node) = t;
OMP_CLAUSE_REDUCTION_CODE (node) = reduction_code;
if (namelist->sym->attr.dimension)
gfc_trans_omp_array_reduction (node, namelist->sym, where);
list = gfc_trans_add_clause (node, list);
}
}
return list;
}
static tree
gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
locus where)
{
tree omp_clauses = NULL_TREE, chunk_size, c, old_clauses;
int list;
enum omp_clause_code clause_code;
gfc_se se;
if (clauses == NULL)
return NULL_TREE;
for (list = 0; list < OMP_LIST_NUM; list++)
{
gfc_namelist *n = clauses->lists[list];
if (n == NULL)
continue;
if (list >= OMP_LIST_REDUCTION_FIRST
&& list <= OMP_LIST_REDUCTION_LAST)
{
enum tree_code reduction_code;
switch (list)
{
case OMP_LIST_PLUS:
reduction_code = PLUS_EXPR;
break;
case OMP_LIST_MULT:
reduction_code = MULT_EXPR;
break;
case OMP_LIST_SUB:
reduction_code = MINUS_EXPR;
break;
case OMP_LIST_AND:
reduction_code = TRUTH_ANDIF_EXPR;
break;
case OMP_LIST_OR:
reduction_code = TRUTH_ORIF_EXPR;
break;
case OMP_LIST_EQV:
reduction_code = EQ_EXPR;
break;
case OMP_LIST_NEQV:
reduction_code = NE_EXPR;
break;
case OMP_LIST_MAX:
reduction_code = MAX_EXPR;
break;
case OMP_LIST_MIN:
reduction_code = MIN_EXPR;
break;
case OMP_LIST_IAND:
reduction_code = BIT_AND_EXPR;
break;
case OMP_LIST_IOR:
reduction_code = BIT_IOR_EXPR;
break;
case OMP_LIST_IEOR:
reduction_code = BIT_XOR_EXPR;
break;
default:
gcc_unreachable ();
}
old_clauses = omp_clauses;
omp_clauses
= gfc_trans_omp_reduction_list (n, omp_clauses, reduction_code,
where);
continue;
}
switch (list)
{
case OMP_LIST_PRIVATE:
clause_code = OMP_CLAUSE_PRIVATE;
goto add_clause;
case OMP_LIST_SHARED:
clause_code = OMP_CLAUSE_SHARED;
goto add_clause;
case OMP_LIST_FIRSTPRIVATE:
clause_code = OMP_CLAUSE_FIRSTPRIVATE;
goto add_clause;
case OMP_LIST_LASTPRIVATE:
clause_code = OMP_CLAUSE_LASTPRIVATE;
goto add_clause;
case OMP_LIST_COPYIN:
clause_code = OMP_CLAUSE_COPYIN;
goto add_clause;
case OMP_LIST_COPYPRIVATE:
clause_code = OMP_CLAUSE_COPYPRIVATE;
/* FALLTHROUGH */
add_clause:
omp_clauses
= gfc_trans_omp_variable_list (clause_code, n, omp_clauses);
break;
default:
break;
}
}
if (clauses->if_expr)
{
tree if_var;
gfc_init_se (&se, NULL);
gfc_conv_expr (&se, clauses->if_expr);
gfc_add_block_to_block (block, &se.pre);
if_var = gfc_evaluate_now (se.expr, block);
gfc_add_block_to_block (block, &se.post);
c = build_omp_clause (OMP_CLAUSE_IF);
OMP_CLAUSE_IF_EXPR (c) = if_var;
omp_clauses = gfc_trans_add_clause (c, omp_clauses);
}
if (clauses->num_threads)
{
tree num_threads;
gfc_init_se (&se, NULL);
gfc_conv_expr (&se, clauses->num_threads);
gfc_add_block_to_block (block, &se.pre);
num_threads = gfc_evaluate_now (se.expr, block);
gfc_add_block_to_block (block, &se.post);
c = build_omp_clause (OMP_CLAUSE_NUM_THREADS);
OMP_CLAUSE_NUM_THREADS_EXPR (c) = num_threads;
omp_clauses = gfc_trans_add_clause (c, omp_clauses);
}
chunk_size = NULL_TREE;
if (clauses->chunk_size)
{
gfc_init_se (&se, NULL);
gfc_conv_expr (&se, clauses->chunk_size);
gfc_add_block_to_block (block, &se.pre);
chunk_size = gfc_evaluate_now (se.expr, block);
gfc_add_block_to_block (block, &se.post);
}
if (clauses->sched_kind != OMP_SCHED_NONE)
{
c = build_omp_clause (OMP_CLAUSE_SCHEDULE);
OMP_CLAUSE_SCHEDULE_CHUNK_EXPR (c) = chunk_size;
switch (clauses->sched_kind)
{
case OMP_SCHED_STATIC:
OMP_CLAUSE_SCHEDULE_KIND (c) = OMP_CLAUSE_SCHEDULE_STATIC;
break;
case OMP_SCHED_DYNAMIC:
OMP_CLAUSE_SCHEDULE_KIND (c) = OMP_CLAUSE_SCHEDULE_DYNAMIC;
break;
case OMP_SCHED_GUIDED:
OMP_CLAUSE_SCHEDULE_KIND (c) = OMP_CLAUSE_SCHEDULE_GUIDED;
break;
case OMP_SCHED_RUNTIME:
OMP_CLAUSE_SCHEDULE_KIND (c) = OMP_CLAUSE_SCHEDULE_RUNTIME;
break;
default:
gcc_unreachable ();
}
omp_clauses = gfc_trans_add_clause (c, omp_clauses);
}
if (clauses->default_sharing != OMP_DEFAULT_UNKNOWN)
{
c = build_omp_clause (OMP_CLAUSE_DEFAULT);
switch (clauses->default_sharing)
{
case OMP_DEFAULT_NONE:
OMP_CLAUSE_DEFAULT_KIND (c) = OMP_CLAUSE_DEFAULT_NONE;
break;
case OMP_DEFAULT_SHARED:
OMP_CLAUSE_DEFAULT_KIND (c) = OMP_CLAUSE_DEFAULT_SHARED;
break;
case OMP_DEFAULT_PRIVATE:
OMP_CLAUSE_DEFAULT_KIND (c) = OMP_CLAUSE_DEFAULT_PRIVATE;
break;
default:
gcc_unreachable ();
}
omp_clauses = gfc_trans_add_clause (c, omp_clauses);
}
if (clauses->nowait)
{
c = build_omp_clause (OMP_CLAUSE_NOWAIT);
omp_clauses = gfc_trans_add_clause (c, omp_clauses);
}
if (clauses->ordered)
{
c = build_omp_clause (OMP_CLAUSE_ORDERED);
omp_clauses = gfc_trans_add_clause (c, omp_clauses);
}
return omp_clauses;
}
void
gfc_free_statement (gfc_code *p)
{
if (p->expr1)
gfc_free_expr (p->expr1);
if (p->expr2)
gfc_free_expr (p->expr2);
switch (p->op)
{
case EXEC_NOP:
case EXEC_END_BLOCK:
case EXEC_END_NESTED_BLOCK:
case EXEC_ASSIGN:
case EXEC_INIT_ASSIGN:
case EXEC_GOTO:
case EXEC_CYCLE:
case EXEC_RETURN:
case EXEC_END_PROCEDURE:
case EXEC_IF:
case EXEC_PAUSE:
case EXEC_STOP:
case EXEC_ERROR_STOP:
case EXEC_EXIT:
case EXEC_WHERE:
case EXEC_IOLENGTH:
case EXEC_POINTER_ASSIGN:
case EXEC_DO_WHILE:
case EXEC_CONTINUE:
case EXEC_TRANSFER:
case EXEC_LABEL_ASSIGN:
case EXEC_ENTRY:
case EXEC_ARITHMETIC_IF:
case EXEC_CRITICAL:
case EXEC_SYNC_ALL:
case EXEC_SYNC_IMAGES:
case EXEC_SYNC_MEMORY:
case EXEC_LOCK:
case EXEC_UNLOCK:
break;
case EXEC_BLOCK:
gfc_free_namespace (p->ext.block.ns);
gfc_free_association_list (p->ext.block.assoc);
break;
case EXEC_COMPCALL:
case EXEC_CALL_PPC:
case EXEC_CALL:
case EXEC_ASSIGN_CALL:
gfc_free_actual_arglist (p->ext.actual);
break;
case EXEC_SELECT:
case EXEC_SELECT_TYPE:
if (p->ext.block.case_list)
gfc_free_case_list (p->ext.block.case_list);
break;
case EXEC_DO:
gfc_free_iterator (p->ext.iterator, 1);
break;
case EXEC_ALLOCATE:
case EXEC_DEALLOCATE:
gfc_free_alloc_list (p->ext.alloc.list);
break;
case EXEC_OPEN:
gfc_free_open (p->ext.open);
break;
case EXEC_CLOSE:
gfc_free_close (p->ext.close);
break;
case EXEC_BACKSPACE:
case EXEC_ENDFILE:
case EXEC_REWIND:
case EXEC_FLUSH:
gfc_free_filepos (p->ext.filepos);
break;
case EXEC_INQUIRE:
gfc_free_inquire (p->ext.inquire);
break;
case EXEC_WAIT:
gfc_free_wait (p->ext.wait);
break;
case EXEC_READ:
case EXEC_WRITE:
gfc_free_dt (p->ext.dt);
break;
case EXEC_DT_END:
/* The ext.dt member is a duplicate pointer and doesn't need to
be freed. */
break;
case EXEC_DO_CONCURRENT:
case EXEC_FORALL:
gfc_free_forall_iterator (p->ext.forall_iterator);
break;
case EXEC_OMP_CANCEL:
case EXEC_OMP_CANCELLATION_POINT:
case EXEC_OMP_DISTRIBUTE:
case EXEC_OMP_DISTRIBUTE_PARALLEL_DO:
case EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD:
case EXEC_OMP_DISTRIBUTE_SIMD:
case EXEC_OMP_DO:
case EXEC_OMP_DO_SIMD:
case EXEC_OMP_END_SINGLE:
case EXEC_OMP_PARALLEL:
case EXEC_OMP_PARALLEL_DO:
case EXEC_OMP_PARALLEL_DO_SIMD:
case EXEC_OMP_PARALLEL_SECTIONS:
case EXEC_OMP_SECTIONS:
case EXEC_OMP_SIMD:
case EXEC_OMP_SINGLE:
case EXEC_OMP_TARGET:
case EXEC_OMP_TARGET_DATA:
case EXEC_OMP_TARGET_TEAMS:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD:
case EXEC_OMP_TARGET_UPDATE:
case EXEC_OMP_TASK:
case EXEC_OMP_TEAMS:
case EXEC_OMP_TEAMS_DISTRIBUTE:
case EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO:
case EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD:
case EXEC_OMP_TEAMS_DISTRIBUTE_SIMD:
case EXEC_OMP_WORKSHARE:
case EXEC_OMP_PARALLEL_WORKSHARE:
gfc_free_omp_clauses (p->ext.omp_clauses);
break;
case EXEC_OMP_CRITICAL:
free (CONST_CAST (char *, p->ext.omp_name));
break;
case EXEC_OMP_FLUSH:
gfc_free_omp_namelist (p->ext.omp_namelist);
break;
case EXEC_OMP_ATOMIC:
case EXEC_OMP_BARRIER:
case EXEC_OMP_MASTER:
case EXEC_OMP_ORDERED:
case EXEC_OMP_END_NOWAIT:
case EXEC_OMP_TASKGROUP:
case EXEC_OMP_TASKWAIT:
case EXEC_OMP_TASKYIELD:
break;
default:
gfc_internal_error ("gfc_free_statement(): Bad statement");
}
}
bool
gfc_add_finalizer_call (stmtblock_t *block, gfc_expr *expr2)
{
tree tmp;
gfc_ref *ref;
gfc_expr *expr;
gfc_expr *final_expr = NULL;
gfc_expr *elem_size = NULL;
bool has_finalizer = false;
if (!expr2 || (expr2->ts.type != BT_DERIVED && expr2->ts.type != BT_CLASS))
return false;
if (expr2->ts.type == BT_DERIVED)
{
gfc_is_finalizable (expr2->ts.u.derived, &final_expr);
if (!final_expr)
return false;
}
/* If we have a class array, we need go back to the class
container. */
expr = gfc_copy_expr (expr2);
if (expr->ref && expr->ref->next && !expr->ref->next->next
&& expr->ref->next->type == REF_ARRAY
&& expr->ref->type == REF_COMPONENT
&& strcmp (expr->ref->u.c.component->name, "_data") == 0)
{
gfc_free_ref_list (expr->ref);
expr->ref = NULL;
}
else
for (ref = expr->ref; ref; ref = ref->next)
if (ref->next && ref->next->next && !ref->next->next->next
&& ref->next->next->type == REF_ARRAY
&& ref->next->type == REF_COMPONENT
&& strcmp (ref->next->u.c.component->name, "_data") == 0)
{
gfc_free_ref_list (ref->next);
ref->next = NULL;
}
if (expr->ts.type == BT_CLASS)
{
has_finalizer = gfc_is_finalizable (expr->ts.u.derived, NULL);
if (!expr2->rank && !expr2->ref && CLASS_DATA (expr2->symtree->n.sym)->as)
expr->rank = CLASS_DATA (expr2->symtree->n.sym)->as->rank;
final_expr = gfc_copy_expr (expr);
gfc_add_vptr_component (final_expr);
gfc_add_component_ref (final_expr, "_final");
elem_size = gfc_copy_expr (expr);
gfc_add_vptr_component (elem_size);
gfc_add_component_ref (elem_size, "_size");
}
gcc_assert (final_expr->expr_type == EXPR_VARIABLE);
tmp = gfc_build_final_call (expr->ts, final_expr, expr,
false, elem_size);
if (expr->ts.type == BT_CLASS && !has_finalizer)
{
tree cond;
gfc_se se;
gfc_init_se (&se, NULL);
se.want_pointer = 1;
gfc_conv_expr (&se, final_expr);
cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
se.expr, build_int_cst (TREE_TYPE (se.expr), 0));
/* For CLASS(*) not only sym->_vtab->_final can be NULL
but already sym->_vtab itself. */
if (UNLIMITED_POLY (expr))
{
tree cond2;
gfc_expr *vptr_expr;
vptr_expr = gfc_copy_expr (expr);
gfc_add_vptr_component (vptr_expr);
gfc_init_se (&se, NULL);
se.want_pointer = 1;
gfc_conv_expr (&se, vptr_expr);
gfc_free_expr (vptr_expr);
cond2 = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
se.expr,
build_int_cst (TREE_TYPE (se.expr), 0));
cond = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
boolean_type_node, cond2, cond);
}
tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node,
cond, tmp, build_empty_stmt (input_location));
}
gfc_add_expr_to_block (block, tmp);
return true;
}
static void
resolve_omp_atomic (gfc_code *code)
{
gfc_symbol *var;
gfc_expr *expr2;
code = code->block->next;
gcc_assert (code->op == EXEC_ASSIGN);
gcc_assert (code->next == NULL);
if (code->expr1->expr_type != EXPR_VARIABLE
|| code->expr1->symtree == NULL
|| code->expr1->rank != 0
|| (code->expr1->ts.type != BT_INTEGER
&& code->expr1->ts.type != BT_REAL
&& code->expr1->ts.type != BT_COMPLEX
&& code->expr1->ts.type != BT_LOGICAL))
{
gfc_error ("!$OMP ATOMIC statement must set a scalar variable of "
"intrinsic type at %L", &code->loc);
return;
}
var = code->expr1->symtree->n.sym;
expr2 = is_conversion (code->expr2, false);
if (expr2 == NULL)
expr2 = code->expr2;
if (expr2->expr_type == EXPR_OP)
{
gfc_expr *v = NULL, *e, *c;
gfc_intrinsic_op op = expr2->value.op.op;
gfc_intrinsic_op alt_op = INTRINSIC_NONE;
switch (op)
{
case INTRINSIC_PLUS:
alt_op = INTRINSIC_MINUS;
break;
case INTRINSIC_TIMES:
alt_op = INTRINSIC_DIVIDE;
break;
case INTRINSIC_MINUS:
alt_op = INTRINSIC_PLUS;
break;
case INTRINSIC_DIVIDE:
alt_op = INTRINSIC_TIMES;
break;
case INTRINSIC_AND:
case INTRINSIC_OR:
break;
case INTRINSIC_EQV:
alt_op = INTRINSIC_NEQV;
break;
case INTRINSIC_NEQV:
alt_op = INTRINSIC_EQV;
break;
default:
gfc_error ("!$OMP ATOMIC assignment operator must be "
"+, *, -, /, .AND., .OR., .EQV. or .NEQV. at %L",
&expr2->where);
return;
}
/* Check for var = var op expr resp. var = expr op var where
expr doesn't reference var and var op expr is mathematically
equivalent to var op (expr) resp. expr op var equivalent to
(expr) op var. We rely here on the fact that the matcher
for x op1 y op2 z where op1 and op2 have equal precedence
returns (x op1 y) op2 z. */
e = expr2->value.op.op2;
if (e->expr_type == EXPR_VARIABLE
&& e->symtree != NULL
&& e->symtree->n.sym == var)
v = e;
else if ((c = is_conversion (e, true)) != NULL
&& c->expr_type == EXPR_VARIABLE
&& c->symtree != NULL
&& c->symtree->n.sym == var)
v = c;
else
{
gfc_expr **p = NULL, **q;
for (q = &expr2->value.op.op1; (e = *q) != NULL; )
if (e->expr_type == EXPR_VARIABLE
&& e->symtree != NULL
&& e->symtree->n.sym == var)
{
v = e;
break;
}
else if ((c = is_conversion (e, true)) != NULL)
q = &e->value.function.actual->expr;
else if (e->expr_type != EXPR_OP
|| (e->value.op.op != op
&& e->value.op.op != alt_op)
|| e->rank != 0)
break;
else
{
p = q;
q = &e->value.op.op1;
}
if (v == NULL)
{
gfc_error ("!$OMP ATOMIC assignment must be var = var op expr "
"or var = expr op var at %L", &expr2->where);
return;
}
if (p != NULL)
{
e = *p;
switch (e->value.op.op)
{
case INTRINSIC_MINUS:
case INTRINSIC_DIVIDE:
case INTRINSIC_EQV:
case INTRINSIC_NEQV:
gfc_error ("!$OMP ATOMIC var = var op expr not "
"mathematically equivalent to var = var op "
"(expr) at %L", &expr2->where);
break;
default:
break;
}
/* Canonicalize into var = var op (expr). */
*p = e->value.op.op2;
e->value.op.op2 = expr2;
e->ts = expr2->ts;
if (code->expr2 == expr2)
code->expr2 = expr2 = e;
else
code->expr2->value.function.actual->expr = expr2 = e;
if (!gfc_compare_types (&expr2->value.op.op1->ts, &expr2->ts))
{
for (p = &expr2->value.op.op1; *p != v;
p = &(*p)->value.function.actual->expr)
;
*p = NULL;
gfc_free_expr (expr2->value.op.op1);
expr2->value.op.op1 = v;
gfc_convert_type (v, &expr2->ts, 2);
}
}
}
if (e->rank != 0 || expr_references_sym (code->expr2, var, v))
{
gfc_error ("expr in !$OMP ATOMIC assignment var = var op expr "
"must be scalar and cannot reference var at %L",
&expr2->where);
return;
}
}
else if (expr2->expr_type == EXPR_FUNCTION
&& expr2->value.function.isym != NULL
&& expr2->value.function.esym == NULL
&& expr2->value.function.actual != NULL
&& expr2->value.function.actual->next != NULL)
{
gfc_actual_arglist *arg, *var_arg;
switch (expr2->value.function.isym->id)
{
case GFC_ISYM_MIN:
case GFC_ISYM_MAX:
break;
case GFC_ISYM_IAND:
case GFC_ISYM_IOR:
case GFC_ISYM_IEOR:
if (expr2->value.function.actual->next->next != NULL)
{
gfc_error ("!$OMP ATOMIC assignment intrinsic IAND, IOR "
"or IEOR must have two arguments at %L",
&expr2->where);
return;
}
break;
default:
gfc_error ("!$OMP ATOMIC assignment intrinsic must be "
"MIN, MAX, IAND, IOR or IEOR at %L",
&expr2->where);
return;
}
var_arg = NULL;
for (arg = expr2->value.function.actual; arg; arg = arg->next)
{
if ((arg == expr2->value.function.actual
|| (var_arg == NULL && arg->next == NULL))
&& arg->expr->expr_type == EXPR_VARIABLE
&& arg->expr->symtree != NULL
&& arg->expr->symtree->n.sym == var)
var_arg = arg;
else if (expr_references_sym (arg->expr, var, NULL))
gfc_error ("!$OMP ATOMIC intrinsic arguments except one must not "
"reference '%s' at %L", var->name, &arg->expr->where);
if (arg->expr->rank != 0)
gfc_error ("!$OMP ATOMIC intrinsic arguments must be scalar "
"at %L", &arg->expr->where);
}
if (var_arg == NULL)
{
gfc_error ("First or last !$OMP ATOMIC intrinsic argument must "
"be '%s' at %L", var->name, &expr2->where);
return;
}
if (var_arg != expr2->value.function.actual)
{
/* Canonicalize, so that var comes first. */
gcc_assert (var_arg->next == NULL);
for (arg = expr2->value.function.actual;
arg->next != var_arg; arg = arg->next)
;
var_arg->next = expr2->value.function.actual;
expr2->value.function.actual = var_arg;
arg->next = NULL;
}
}
else
gfc_error ("!$OMP ATOMIC assignment must have an operator or intrinsic "
"on right hand side at %L", &expr2->where);
}
static tree
gfc_build_final_call (gfc_typespec ts, gfc_expr *final_wrapper, gfc_expr *var,
bool fini_coarray, gfc_expr *class_size)
{
stmtblock_t block;
gfc_se se;
tree final_fndecl, array, size, tmp;
symbol_attribute attr;
gcc_assert (final_wrapper->expr_type == EXPR_VARIABLE);
gcc_assert (var);
gfc_start_block (&block);
gfc_init_se (&se, NULL);
gfc_conv_expr (&se, final_wrapper);
final_fndecl = se.expr;
if (POINTER_TYPE_P (TREE_TYPE (final_fndecl)))
final_fndecl = build_fold_indirect_ref_loc (input_location, final_fndecl);
if (ts.type == BT_DERIVED)
{
tree elem_size;
gcc_assert (!class_size);
elem_size = gfc_typenode_for_spec (&ts);
elem_size = TYPE_SIZE_UNIT (elem_size);
size = fold_convert (gfc_array_index_type, elem_size);
gfc_init_se (&se, NULL);
se.want_pointer = 1;
if (var->rank)
{
se.descriptor_only = 1;
gfc_conv_expr_descriptor (&se, var);
array = se.expr;
}
else
{
gfc_conv_expr (&se, var);
gcc_assert (se.pre.head == NULL_TREE && se.post.head == NULL_TREE);
array = se.expr;
/* No copy back needed, hence set attr's allocatable/pointer
to zero. */
gfc_clear_attr (&attr);
gfc_init_se (&se, NULL);
array = gfc_conv_scalar_to_descriptor (&se, array, attr);
gcc_assert (se.post.head == NULL_TREE);
}
}
else
{
gfc_expr *array_expr;
gcc_assert (class_size);
gfc_init_se (&se, NULL);
gfc_conv_expr (&se, class_size);
gfc_add_block_to_block (&block, &se.pre);
gcc_assert (se.post.head == NULL_TREE);
size = se.expr;
array_expr = gfc_copy_expr (var);
gfc_init_se (&se, NULL);
se.want_pointer = 1;
if (array_expr->rank)
{
gfc_add_class_array_ref (array_expr);
se.descriptor_only = 1;
gfc_conv_expr_descriptor (&se, array_expr);
array = se.expr;
}
else
{
gfc_add_data_component (array_expr);
gfc_conv_expr (&se, array_expr);
gfc_add_block_to_block (&block, &se.pre);
gcc_assert (se.post.head == NULL_TREE);
array = se.expr;
if (TREE_CODE (array) == ADDR_EXPR
&& POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (array, 0))))
tmp = TREE_OPERAND (array, 0);
if (!gfc_is_coarray (array_expr))
{
/* No copy back needed, hence set attr's allocatable/pointer
to zero. */
gfc_clear_attr (&attr);
gfc_init_se (&se, NULL);
array = gfc_conv_scalar_to_descriptor (&se, array, attr);
}
gcc_assert (se.post.head == NULL_TREE);
}
gfc_free_expr (array_expr);
}
if (!POINTER_TYPE_P (TREE_TYPE (array)))
array = gfc_build_addr_expr (NULL, array);
gfc_add_block_to_block (&block, &se.pre);
tmp = build_call_expr_loc (input_location,
final_fndecl, 3, array,
size, fini_coarray ? boolean_true_node
: boolean_false_node);
gfc_add_block_to_block (&block, &se.post);
gfc_add_expr_to_block (&block, tmp);
return gfc_finish_block (&block);
}
static match
gfc_match_omp_clauses (gfc_omp_clauses **cp, int mask)
{
gfc_omp_clauses *c = gfc_get_omp_clauses ();
locus old_loc;
bool needs_space = true, first = true;
*cp = NULL;
while (1)
{
if ((first || gfc_match_char (',') != MATCH_YES)
&& (needs_space && gfc_match_space () != MATCH_YES))
break;
needs_space = false;
first = false;
gfc_gobble_whitespace ();
if ((mask & OMP_CLAUSE_IF) && c->if_expr == NULL
&& gfc_match ("if ( %e )", &c->if_expr) == MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_NUM_THREADS) && c->num_threads == NULL
&& gfc_match ("num_threads ( %e )", &c->num_threads) == MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_PRIVATE)
&& gfc_match_omp_variable_list ("private (",
&c->lists[OMP_LIST_PRIVATE], true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_FIRSTPRIVATE)
&& gfc_match_omp_variable_list ("firstprivate (",
&c->lists[OMP_LIST_FIRSTPRIVATE],
true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_LASTPRIVATE)
&& gfc_match_omp_variable_list ("lastprivate (",
&c->lists[OMP_LIST_LASTPRIVATE],
true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_COPYPRIVATE)
&& gfc_match_omp_variable_list ("copyprivate (",
&c->lists[OMP_LIST_COPYPRIVATE],
true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_SHARED)
&& gfc_match_omp_variable_list ("shared (",
&c->lists[OMP_LIST_SHARED], true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_COPYIN)
&& gfc_match_omp_variable_list ("copyin (",
&c->lists[OMP_LIST_COPYIN], true)
== MATCH_YES)
continue;
old_loc = gfc_current_locus;
if ((mask & OMP_CLAUSE_REDUCTION)
&& gfc_match ("reduction ( ") == MATCH_YES)
{
int reduction = OMP_LIST_NUM;
char buffer[GFC_MAX_SYMBOL_LEN + 1];
if (gfc_match_char ('+') == MATCH_YES)
reduction = OMP_LIST_PLUS;
else if (gfc_match_char ('*') == MATCH_YES)
reduction = OMP_LIST_MULT;
else if (gfc_match_char ('-') == MATCH_YES)
reduction = OMP_LIST_SUB;
else if (gfc_match (".and.") == MATCH_YES)
reduction = OMP_LIST_AND;
else if (gfc_match (".or.") == MATCH_YES)
reduction = OMP_LIST_OR;
else if (gfc_match (".eqv.") == MATCH_YES)
reduction = OMP_LIST_EQV;
else if (gfc_match (".neqv.") == MATCH_YES)
reduction = OMP_LIST_NEQV;
else if (gfc_match_name (buffer) == MATCH_YES)
{
gfc_symbol *sym;
const char *n = buffer;
gfc_find_symbol (buffer, NULL, 1, &sym);
if (sym != NULL)
{
if (sym->attr.intrinsic)
n = sym->name;
else if ((sym->attr.flavor != FL_UNKNOWN
&& sym->attr.flavor != FL_PROCEDURE)
|| sym->attr.external
|| sym->attr.generic
|| sym->attr.entry
|| sym->attr.result
|| sym->attr.dummy
|| sym->attr.subroutine
|| sym->attr.pointer
|| sym->attr.target
|| sym->attr.cray_pointer
|| sym->attr.cray_pointee
|| (sym->attr.proc != PROC_UNKNOWN
&& sym->attr.proc != PROC_INTRINSIC)
|| sym->attr.if_source != IFSRC_UNKNOWN
|| sym == sym->ns->proc_name)
{
gfc_error_now ("%s is not INTRINSIC procedure name "
"at %C", buffer);
sym = NULL;
}
else
n = sym->name;
}
if (strcmp (n, "max") == 0)
reduction = OMP_LIST_MAX;
else if (strcmp (n, "min") == 0)
reduction = OMP_LIST_MIN;
else if (strcmp (n, "iand") == 0)
reduction = OMP_LIST_IAND;
else if (strcmp (n, "ior") == 0)
reduction = OMP_LIST_IOR;
else if (strcmp (n, "ieor") == 0)
reduction = OMP_LIST_IEOR;
if (reduction != OMP_LIST_NUM
&& sym != NULL
&& ! sym->attr.intrinsic
&& ! sym->attr.use_assoc
&& ((sym->attr.flavor == FL_UNKNOWN
&& gfc_add_flavor (&sym->attr, FL_PROCEDURE,
sym->name, NULL) == FAILURE)
|| gfc_add_intrinsic (&sym->attr, NULL) == FAILURE))
{
gfc_free_omp_clauses (c);
return MATCH_ERROR;
}
}
if (reduction != OMP_LIST_NUM
&& gfc_match_omp_variable_list (" :", &c->lists[reduction],
false)
== MATCH_YES)
continue;
else
gfc_current_locus = old_loc;
}
if ((mask & OMP_CLAUSE_DEFAULT)
&& c->default_sharing == OMP_DEFAULT_UNKNOWN)
{
if (gfc_match ("default ( shared )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_SHARED;
else if (gfc_match ("default ( private )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_PRIVATE;
else if (gfc_match ("default ( none )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_NONE;
else if (gfc_match ("default ( firstprivate )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_FIRSTPRIVATE;
if (c->default_sharing != OMP_DEFAULT_UNKNOWN)
continue;
}
old_loc = gfc_current_locus;
if ((mask & OMP_CLAUSE_SCHEDULE)
&& c->sched_kind == OMP_SCHED_NONE
&& gfc_match ("schedule ( ") == MATCH_YES)
{
if (gfc_match ("static") == MATCH_YES)
c->sched_kind = OMP_SCHED_STATIC;
else if (gfc_match ("dynamic") == MATCH_YES)
c->sched_kind = OMP_SCHED_DYNAMIC;
else if (gfc_match ("guided") == MATCH_YES)
c->sched_kind = OMP_SCHED_GUIDED;
else if (gfc_match ("runtime") == MATCH_YES)
c->sched_kind = OMP_SCHED_RUNTIME;
else if (gfc_match ("auto") == MATCH_YES)
c->sched_kind = OMP_SCHED_AUTO;
if (c->sched_kind != OMP_SCHED_NONE)
{
match m = MATCH_NO;
if (c->sched_kind != OMP_SCHED_RUNTIME
&& c->sched_kind != OMP_SCHED_AUTO)
m = gfc_match (" , %e )", &c->chunk_size);
if (m != MATCH_YES)
m = gfc_match_char (')');
if (m != MATCH_YES)
c->sched_kind = OMP_SCHED_NONE;
}
if (c->sched_kind != OMP_SCHED_NONE)
continue;
else
gfc_current_locus = old_loc;
}
if ((mask & OMP_CLAUSE_ORDERED) && !c->ordered
&& gfc_match ("ordered") == MATCH_YES)
{
c->ordered = needs_space = true;
continue;
}
if ((mask & OMP_CLAUSE_UNTIED) && !c->untied
&& gfc_match ("untied") == MATCH_YES)
{
c->untied = needs_space = true;
continue;
}
if ((mask & OMP_CLAUSE_COLLAPSE) && !c->collapse)
{
gfc_expr *cexpr = NULL;
match m = gfc_match ("collapse ( %e )", &cexpr);
if (m == MATCH_YES)
{
int collapse;
const char *p = gfc_extract_int (cexpr, &collapse);
if (p)
{
gfc_error_now (p);
collapse = 1;
}
else if (collapse <= 0)
{
gfc_error_now ("COLLAPSE clause argument not"
" constant positive integer at %C");
collapse = 1;
}
c->collapse = collapse;
gfc_free_expr (cexpr);
continue;
}
}
break;
}
if (gfc_match_omp_eos () != MATCH_YES)
{
gfc_free_omp_clauses (c);
return MATCH_ERROR;
}
*cp = c;
return MATCH_YES;
}
static match
match_add_operand (gfc_expr **result)
{
gfc_expr *all, *e, *total;
locus where, old_loc;
match m;
gfc_intrinsic_op i;
m = match_mult_operand (&all);
if (m != MATCH_YES)
return m;
for (;;)
{
/* Build up a string of products or quotients. */
old_loc = gfc_current_locus;
if (next_operator (INTRINSIC_TIMES))
i = INTRINSIC_TIMES;
else
{
if (next_operator (INTRINSIC_DIVIDE))
i = INTRINSIC_DIVIDE;
else
break;
}
where = gfc_current_locus;
m = match_ext_mult_operand (&e);
if (m == MATCH_NO)
{
gfc_current_locus = old_loc;
break;
}
if (m == MATCH_ERROR)
{
gfc_free_expr (all);
return MATCH_ERROR;
}
if (i == INTRINSIC_TIMES)
total = gfc_multiply (all, e);
else
total = gfc_divide (all, e);
if (total == NULL)
{
gfc_free_expr (all);
gfc_free_expr (e);
return MATCH_ERROR;
}
all = total;
all->where = where;
}
*result = all;
return MATCH_YES;
}
static match
match_level_2 (gfc_expr **result)
{
gfc_expr *all, *e, *total;
locus where;
match m;
int i;
where = gfc_current_locus;
i = match_add_op ();
if (i != 0)
{
m = match_ext_add_operand (&e);
if (m == MATCH_NO)
{
gfc_error (expression_syntax);
m = MATCH_ERROR;
}
}
else
m = match_add_operand (&e);
if (m != MATCH_YES)
return m;
if (i == 0)
all = e;
else
{
if (i == -1)
all = gfc_uminus (e);
else
all = gfc_uplus (e);
if (all == NULL)
{
gfc_free_expr (e);
return MATCH_ERROR;
}
}
all->where = where;
/* Append add-operands to the sum. */
for (;;)
{
where = gfc_current_locus;
i = match_add_op ();
if (i == 0)
break;
m = match_ext_add_operand (&e);
if (m == MATCH_NO)
gfc_error (expression_syntax);
if (m != MATCH_YES)
{
gfc_free_expr (all);
return MATCH_ERROR;
}
if (i == -1)
total = gfc_subtract (all, e);
else
total = gfc_add (all, e);
if (total == NULL)
{
gfc_free_expr (all);
gfc_free_expr (e);
return MATCH_ERROR;
}
all = total;
all->where = where;
}
*result = all;
return MATCH_YES;
}
static void
gfc_trans_omp_array_reduction (tree c, gfc_symbol *sym, locus where)
{
gfc_symtree *root1 = NULL, *root2 = NULL, *root3 = NULL, *root4 = NULL;
gfc_symtree *symtree1, *symtree2, *symtree3, *symtree4 = NULL;
gfc_symbol init_val_sym, outer_sym, intrinsic_sym;
gfc_expr *e1, *e2, *e3, *e4;
gfc_ref *ref;
tree decl, backend_decl, stmt;
locus old_loc = gfc_current_locus;
const char *iname;
gfc_try t;
decl = OMP_CLAUSE_DECL (c);
gfc_current_locus = where;
/* Create a fake symbol for init value. */
memset (&init_val_sym, 0, sizeof (init_val_sym));
init_val_sym.ns = sym->ns;
init_val_sym.name = sym->name;
init_val_sym.ts = sym->ts;
init_val_sym.attr.referenced = 1;
init_val_sym.declared_at = where;
init_val_sym.attr.flavor = FL_VARIABLE;
backend_decl = omp_reduction_init (c, gfc_sym_type (&init_val_sym));
init_val_sym.backend_decl = backend_decl;
/* Create a fake symbol for the outer array reference. */
outer_sym = *sym;
outer_sym.as = gfc_copy_array_spec (sym->as);
outer_sym.attr.dummy = 0;
outer_sym.attr.result = 0;
outer_sym.attr.flavor = FL_VARIABLE;
outer_sym.backend_decl = create_tmp_var_raw (TREE_TYPE (decl), NULL);
/* Create fake symtrees for it. */
symtree1 = gfc_new_symtree (&root1, sym->name);
symtree1->n.sym = sym;
gcc_assert (symtree1 == root1);
symtree2 = gfc_new_symtree (&root2, sym->name);
symtree2->n.sym = &init_val_sym;
gcc_assert (symtree2 == root2);
symtree3 = gfc_new_symtree (&root3, sym->name);
symtree3->n.sym = &outer_sym;
gcc_assert (symtree3 == root3);
/* Create expressions. */
e1 = gfc_get_expr ();
e1->expr_type = EXPR_VARIABLE;
e1->where = where;
e1->symtree = symtree1;
e1->ts = sym->ts;
e1->ref = ref = gfc_get_ref ();
ref->type = REF_ARRAY;
ref->u.ar.where = where;
ref->u.ar.as = sym->as;
ref->u.ar.type = AR_FULL;
ref->u.ar.dimen = 0;
t = gfc_resolve_expr (e1);
gcc_assert (t == SUCCESS);
e2 = gfc_get_expr ();
e2->expr_type = EXPR_VARIABLE;
e2->where = where;
e2->symtree = symtree2;
e2->ts = sym->ts;
t = gfc_resolve_expr (e2);
gcc_assert (t == SUCCESS);
e3 = gfc_copy_expr (e1);
e3->symtree = symtree3;
t = gfc_resolve_expr (e3);
gcc_assert (t == SUCCESS);
iname = NULL;
switch (OMP_CLAUSE_REDUCTION_CODE (c))
{
case PLUS_EXPR:
case MINUS_EXPR:
e4 = gfc_add (e3, e1);
break;
case MULT_EXPR:
e4 = gfc_multiply (e3, e1);
break;
case TRUTH_ANDIF_EXPR:
e4 = gfc_and (e3, e1);
break;
case TRUTH_ORIF_EXPR:
e4 = gfc_or (e3, e1);
break;
case EQ_EXPR:
e4 = gfc_eqv (e3, e1);
break;
case NE_EXPR:
e4 = gfc_neqv (e3, e1);
break;
case MIN_EXPR:
iname = "min";
break;
case MAX_EXPR:
iname = "max";
break;
case BIT_AND_EXPR:
iname = "iand";
break;
case BIT_IOR_EXPR:
iname = "ior";
break;
case BIT_XOR_EXPR:
iname = "ieor";
break;
default:
gcc_unreachable ();
}
if (iname != NULL)
{
memset (&intrinsic_sym, 0, sizeof (intrinsic_sym));
intrinsic_sym.ns = sym->ns;
intrinsic_sym.name = iname;
intrinsic_sym.ts = sym->ts;
intrinsic_sym.attr.referenced = 1;
intrinsic_sym.attr.intrinsic = 1;
intrinsic_sym.attr.function = 1;
intrinsic_sym.result = &intrinsic_sym;
intrinsic_sym.declared_at = where;
symtree4 = gfc_new_symtree (&root4, iname);
symtree4->n.sym = &intrinsic_sym;
gcc_assert (symtree4 == root4);
e4 = gfc_get_expr ();
e4->expr_type = EXPR_FUNCTION;
e4->where = where;
e4->symtree = symtree4;
e4->value.function.isym = gfc_find_function (iname);
e4->value.function.actual = gfc_get_actual_arglist ();
e4->value.function.actual->expr = e3;
e4->value.function.actual->next = gfc_get_actual_arglist ();
e4->value.function.actual->next->expr = e1;
}
/* e1 and e3 have been stored as arguments of e4, avoid sharing. */
e1 = gfc_copy_expr (e1);
e3 = gfc_copy_expr (e3);
t = gfc_resolve_expr (e4);
gcc_assert (t == SUCCESS);
/* Create the init statement list. */
pushlevel (0);
if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (decl))
&& GFC_TYPE_ARRAY_AKIND (TREE_TYPE (decl)) == GFC_ARRAY_ALLOCATABLE)
{
/* If decl is an allocatable array, it needs to be allocated
with the same bounds as the outer var. */
tree type = TREE_TYPE (decl), rank, size, esize, ptr;
stmtblock_t block;
gfc_start_block (&block);
gfc_add_modify (&block, decl, outer_sym.backend_decl);
rank = gfc_rank_cst[GFC_TYPE_ARRAY_RANK (type) - 1];
size = gfc_conv_descriptor_ubound_get (decl, rank);
size = fold_build2 (MINUS_EXPR, gfc_array_index_type, size,
gfc_conv_descriptor_lbound_get (decl, rank));
size = fold_build2 (PLUS_EXPR, gfc_array_index_type, size,
gfc_index_one_node);
if (GFC_TYPE_ARRAY_RANK (type) > 1)
size = fold_build2 (MULT_EXPR, gfc_array_index_type, size,
gfc_conv_descriptor_stride_get (decl, rank));
esize = fold_convert (gfc_array_index_type,
TYPE_SIZE_UNIT (gfc_get_element_type (type)));
size = fold_build2 (MULT_EXPR, gfc_array_index_type, size, esize);
size = gfc_evaluate_now (fold_convert (size_type_node, size), &block);
ptr = gfc_allocate_array_with_status (&block,
build_int_cst (pvoid_type_node, 0),
size, NULL, NULL);
gfc_conv_descriptor_data_set (&block, decl, ptr);
gfc_add_expr_to_block (&block, gfc_trans_assignment (e1, e2, false));
stmt = gfc_finish_block (&block);
}
else
stmt = gfc_trans_assignment (e1, e2, false);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
else
poplevel (0, 0, 0);
OMP_CLAUSE_REDUCTION_INIT (c) = stmt;
/* Create the merge statement list. */
pushlevel (0);
if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (decl))
&& GFC_TYPE_ARRAY_AKIND (TREE_TYPE (decl)) == GFC_ARRAY_ALLOCATABLE)
{
/* If decl is an allocatable array, it needs to be deallocated
afterwards. */
stmtblock_t block;
gfc_start_block (&block);
gfc_add_expr_to_block (&block, gfc_trans_assignment (e3, e4, false));
gfc_add_expr_to_block (&block, gfc_trans_dealloc_allocated (decl));
stmt = gfc_finish_block (&block);
}
else
stmt = gfc_trans_assignment (e3, e4, false);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
else
poplevel (0, 0, 0);
OMP_CLAUSE_REDUCTION_MERGE (c) = stmt;
/* And stick the placeholder VAR_DECL into the clause as well. */
OMP_CLAUSE_REDUCTION_PLACEHOLDER (c) = outer_sym.backend_decl;
gfc_current_locus = old_loc;
gfc_free_expr (e1);
gfc_free_expr (e2);
gfc_free_expr (e3);
gfc_free_expr (e4);
gfc_free (symtree1);
gfc_free (symtree2);
gfc_free (symtree3);
if (symtree4)
gfc_free (symtree4);
gfc_free_array_spec (outer_sym.as);
}
static tree
get_init_field (segment_info *head, tree union_type, tree *field_init,
record_layout_info rli)
{
segment_info *s;
HOST_WIDE_INT length = 0;
HOST_WIDE_INT offset = 0;
unsigned HOST_WIDE_INT known_align, desired_align;
bool overlap = false;
tree tmp, field;
tree init;
unsigned char *data, *chk;
VEC(constructor_elt,gc) *v = NULL;
tree type = unsigned_char_type_node;
int i;
/* Obtain the size of the union and check if there are any overlapping
initializers. */
for (s = head; s; s = s->next)
{
HOST_WIDE_INT slen = s->offset + s->length;
if (s->sym->value)
{
if (s->offset < offset)
overlap = true;
offset = slen;
}
length = length < slen ? slen : length;
}
if (!overlap)
return NULL_TREE;
/* Now absorb all the initializer data into a single vector,
whilst checking for overlapping, unequal values. */
data = XCNEWVEC (unsigned char, (size_t)length);
chk = XCNEWVEC (unsigned char, (size_t)length);
/* TODO - change this when default initialization is implemented. */
memset (data, '\0', (size_t)length);
memset (chk, '\0', (size_t)length);
for (s = head; s; s = s->next)
if (s->sym->value)
gfc_merge_initializers (s->sym->ts, s->sym->value,
&data[s->offset],
&chk[s->offset],
(size_t)s->length);
for (i = 0; i < length; i++)
CONSTRUCTOR_APPEND_ELT (v, NULL, build_int_cst (type, data[i]));
free (data);
free (chk);
/* Build a char[length] array to hold the initializers. Much of what
follows is borrowed from build_field, above. */
tmp = build_int_cst (gfc_array_index_type, length - 1);
tmp = build_range_type (gfc_array_index_type,
gfc_index_zero_node, tmp);
tmp = build_array_type (type, tmp);
field = build_decl (gfc_current_locus.lb->location,
FIELD_DECL, NULL_TREE, tmp);
known_align = BIGGEST_ALIGNMENT;
desired_align = update_alignment_for_field (rli, field, known_align);
if (desired_align > known_align)
DECL_PACKED (field) = 1;
DECL_FIELD_CONTEXT (field) = union_type;
DECL_FIELD_OFFSET (field) = size_int (0);
DECL_FIELD_BIT_OFFSET (field) = bitsize_zero_node;
SET_DECL_OFFSET_ALIGN (field, known_align);
rli->offset = size_binop (MAX_EXPR, rli->offset,
size_binop (PLUS_EXPR,
DECL_FIELD_OFFSET (field),
DECL_SIZE_UNIT (field)));
init = build_constructor (TREE_TYPE (field), v);
TREE_CONSTANT (init) = 1;
*field_init = init;
for (s = head; s; s = s->next)
{
if (s->sym->value == NULL)
continue;
gfc_free_expr (s->sym->value);
s->sym->value = NULL;
}
return field;
}
static match
match_level_4 (gfc_expr **result)
{
gfc_expr *left, *right, *r;
gfc_intrinsic_op i;
locus old_loc;
locus where;
match m;
m = match_level_3 (&left);
if (m != MATCH_YES)
return m;
old_loc = gfc_current_locus;
if (gfc_match_intrinsic_op (&i) != MATCH_YES)
{
*result = left;
return MATCH_YES;
}
if (i != INTRINSIC_EQ && i != INTRINSIC_NE && i != INTRINSIC_GE
&& i != INTRINSIC_LE && i != INTRINSIC_LT && i != INTRINSIC_GT
&& i != INTRINSIC_EQ_OS && i != INTRINSIC_NE_OS && i != INTRINSIC_GE_OS
&& i != INTRINSIC_LE_OS && i != INTRINSIC_LT_OS && i != INTRINSIC_GT_OS)
{
gfc_current_locus = old_loc;
*result = left;
return MATCH_YES;
}
where = gfc_current_locus;
m = match_level_3 (&right);
if (m == MATCH_NO)
gfc_error (expression_syntax);
if (m != MATCH_YES)
{
gfc_free_expr (left);
return MATCH_ERROR;
}
switch (i)
{
case INTRINSIC_EQ:
case INTRINSIC_EQ_OS:
r = gfc_eq (left, right, i);
break;
case INTRINSIC_NE:
case INTRINSIC_NE_OS:
r = gfc_ne (left, right, i);
break;
case INTRINSIC_LT:
case INTRINSIC_LT_OS:
r = gfc_lt (left, right, i);
break;
case INTRINSIC_LE:
case INTRINSIC_LE_OS:
r = gfc_le (left, right, i);
break;
case INTRINSIC_GT:
case INTRINSIC_GT_OS:
r = gfc_gt (left, right, i);
break;
case INTRINSIC_GE:
case INTRINSIC_GE_OS:
r = gfc_ge (left, right, i);
break;
default:
gfc_internal_error ("match_level_4(): Bad operator");
}
if (r == NULL)
{
gfc_free_expr (left);
gfc_free_expr (right);
return MATCH_ERROR;
}
r->where = where;
*result = r;
return MATCH_YES;
}