tree
build_capture_proxy (tree member)
{
tree var, object, fn, closure, name, lam, type;
if (PACK_EXPANSION_P (member))
member = PACK_EXPANSION_PATTERN (member);
closure = DECL_CONTEXT (member);
fn = lambda_function (closure);
lam = CLASSTYPE_LAMBDA_EXPR (closure);
/* The proxy variable forwards to the capture field. */
object = build_fold_indirect_ref (DECL_ARGUMENTS (fn));
object = finish_non_static_data_member (member, object, NULL_TREE);
if (REFERENCE_REF_P (object))
object = TREE_OPERAND (object, 0);
/* Remove the __ inserted by add_capture. */
name = get_identifier (IDENTIFIER_POINTER (DECL_NAME (member)) + 2);
type = lambda_proxy_type (object);
if (DECL_VLA_CAPTURE_P (member))
{
/* Rebuild the VLA type from the pointer and maxindex. */
tree field = next_initializable_field (TYPE_FIELDS (type));
tree ptr = build_simple_component_ref (object, field);
field = next_initializable_field (DECL_CHAIN (field));
tree max = build_simple_component_ref (object, field);
type = build_cplus_array_type (TREE_TYPE (TREE_TYPE (ptr)),
build_index_type (max));
type = build_reference_type (type);
REFERENCE_VLA_OK (type) = true;
object = convert (type, ptr);
}
var = build_decl (input_location, VAR_DECL, name, type);
SET_DECL_VALUE_EXPR (var, object);
DECL_HAS_VALUE_EXPR_P (var) = 1;
DECL_ARTIFICIAL (var) = 1;
TREE_USED (var) = 1;
DECL_CONTEXT (var) = fn;
if (name == this_identifier)
{
gcc_assert (LAMBDA_EXPR_THIS_CAPTURE (lam) == member);
LAMBDA_EXPR_THIS_CAPTURE (lam) = var;
}
if (fn == current_function_decl)
insert_capture_proxy (var);
else
vec_safe_push (LAMBDA_EXPR_PENDING_PROXIES (lam), var);
return var;
}
static tree
gfc_trans_omp_atomic (gfc_code *code)
{
gfc_se lse;
gfc_se rse;
gfc_expr *expr2, *e;
gfc_symbol *var;
stmtblock_t block;
tree lhsaddr, type, rhs, x;
enum tree_code op = ERROR_MARK;
bool var_on_left = false;
code = code->block->next;
gcc_assert (code->op == EXEC_ASSIGN);
gcc_assert (code->next == NULL);
var = code->expr->symtree->n.sym;
gfc_init_se (&lse, NULL);
gfc_init_se (&rse, NULL);
gfc_start_block (&block);
gfc_conv_expr (&lse, code->expr);
gfc_add_block_to_block (&block, &lse.pre);
type = TREE_TYPE (lse.expr);
lhsaddr = gfc_build_addr_expr (NULL, lse.expr);
expr2 = code->expr2;
if (expr2->expr_type == EXPR_FUNCTION
&& expr2->value.function.isym->generic_id == GFC_ISYM_CONVERSION)
expr2 = expr2->value.function.actual->expr;
if (expr2->expr_type == EXPR_OP)
{
gfc_expr *e;
switch (expr2->value.op.operator)
{
case INTRINSIC_PLUS:
op = PLUS_EXPR;
break;
case INTRINSIC_TIMES:
op = MULT_EXPR;
break;
case INTRINSIC_MINUS:
op = MINUS_EXPR;
break;
case INTRINSIC_DIVIDE:
if (expr2->ts.type == BT_INTEGER)
op = TRUNC_DIV_EXPR;
else
op = RDIV_EXPR;
break;
case INTRINSIC_AND:
op = TRUTH_ANDIF_EXPR;
break;
case INTRINSIC_OR:
op = TRUTH_ORIF_EXPR;
break;
case INTRINSIC_EQV:
op = EQ_EXPR;
break;
case INTRINSIC_NEQV:
op = NE_EXPR;
break;
default:
gcc_unreachable ();
}
e = expr2->value.op.op1;
if (e->expr_type == EXPR_FUNCTION
&& e->value.function.isym->generic_id == GFC_ISYM_CONVERSION)
e = e->value.function.actual->expr;
if (e->expr_type == EXPR_VARIABLE
&& e->symtree != NULL
&& e->symtree->n.sym == var)
{
expr2 = expr2->value.op.op2;
var_on_left = true;
}
else
{
e = expr2->value.op.op2;
if (e->expr_type == EXPR_FUNCTION
&& e->value.function.isym->generic_id == GFC_ISYM_CONVERSION)
e = e->value.function.actual->expr;
gcc_assert (e->expr_type == EXPR_VARIABLE
&& e->symtree != NULL
&& e->symtree->n.sym == var);
expr2 = expr2->value.op.op1;
var_on_left = false;
}
gfc_conv_expr (&rse, expr2);
gfc_add_block_to_block (&block, &rse.pre);
}
else
{
gcc_assert (expr2->expr_type == EXPR_FUNCTION);
switch (expr2->value.function.isym->generic_id)
{
case GFC_ISYM_MIN:
op = MIN_EXPR;
break;
case GFC_ISYM_MAX:
op = MAX_EXPR;
break;
case GFC_ISYM_IAND:
op = BIT_AND_EXPR;
break;
case GFC_ISYM_IOR:
op = BIT_IOR_EXPR;
break;
case GFC_ISYM_IEOR:
op = BIT_XOR_EXPR;
break;
default:
gcc_unreachable ();
}
e = expr2->value.function.actual->expr;
gcc_assert (e->expr_type == EXPR_VARIABLE
&& e->symtree != NULL
&& e->symtree->n.sym == var);
gfc_conv_expr (&rse, expr2->value.function.actual->next->expr);
gfc_add_block_to_block (&block, &rse.pre);
if (expr2->value.function.actual->next->next != NULL)
{
tree accum = gfc_create_var (TREE_TYPE (rse.expr), NULL);
gfc_actual_arglist *arg;
gfc_add_modify_expr (&block, accum, rse.expr);
for (arg = expr2->value.function.actual->next->next; arg;
arg = arg->next)
{
gfc_init_block (&rse.pre);
gfc_conv_expr (&rse, arg->expr);
gfc_add_block_to_block (&block, &rse.pre);
x = fold_build2 (op, TREE_TYPE (accum), accum, rse.expr);
gfc_add_modify_expr (&block, accum, x);
}
rse.expr = accum;
}
expr2 = expr2->value.function.actual->next->expr;
}
lhsaddr = save_expr (lhsaddr);
rhs = gfc_evaluate_now (rse.expr, &block);
x = convert (TREE_TYPE (rhs), build_fold_indirect_ref (lhsaddr));
if (var_on_left)
x = fold_build2 (op, TREE_TYPE (rhs), x, rhs);
else
x = fold_build2 (op, TREE_TYPE (rhs), rhs, x);
if (TREE_CODE (TREE_TYPE (rhs)) == COMPLEX_TYPE
&& TREE_CODE (type) != COMPLEX_TYPE)
x = build1 (REALPART_EXPR, TREE_TYPE (TREE_TYPE (rhs)), x);
x = build2_v (OMP_ATOMIC, lhsaddr, convert (type, x));
gfc_add_expr_to_block (&block, x);
gfc_add_block_to_block (&block, &lse.pre);
gfc_add_block_to_block (&block, &rse.pre);
return gfc_finish_block (&block);
}
