static tree
fix_return_expr (tree expr)
{
tree new_mod_list, new_var, new_mod, retval_expr, retval_type;
location_t loc = EXPR_LOCATION (expr);
new_mod_list = alloc_stmt_list ();
retval_expr = TREE_OPERAND (expr, 0);
retval_type = TREE_TYPE (TREE_OPERAND (retval_expr, 1));
new_var = build_decl (loc, VAR_DECL, NULL_TREE, TREE_TYPE (retval_expr));
new_mod = build_array_notation_expr (loc, new_var, TREE_TYPE (new_var),
NOP_EXPR, loc,
TREE_OPERAND (retval_expr, 1),
retval_type);
TREE_OPERAND (retval_expr, 1) = new_var;
TREE_OPERAND (expr, 0) = retval_expr;
append_to_statement_list_force (new_mod, &new_mod_list);
append_to_statement_list_force (expr, &new_mod_list);
return new_mod_list;
}
void
insert_capture_proxy (tree var)
{
cp_binding_level *b;
tree stmt_list;
/* Put the capture proxy in the extra body block so that it won't clash
with a later local variable. */
b = current_binding_level;
for (;;)
{
cp_binding_level *n = b->level_chain;
if (n->kind == sk_function_parms)
break;
b = n;
}
pushdecl_with_scope (var, b, false);
/* And put a DECL_EXPR in the STATEMENT_LIST for the same block. */
var = build_stmt (DECL_SOURCE_LOCATION (var), DECL_EXPR, var);
stmt_list = (*stmt_list_stack)[1];
gcc_assert (stmt_list);
append_to_statement_list_force (var, &stmt_list);
}
static tree
fix_conditional_array_notations_1 (tree stmt)
{
vec<tree, va_gc> *array_list = NULL, *array_operand = NULL;
size_t list_size = 0;
tree cond = NULL_TREE, builtin_loop = NULL_TREE, new_var = NULL_TREE;
size_t rank = 0, ii = 0;
tree loop_init;
location_t location = EXPR_LOCATION (stmt);
tree body = NULL_TREE, loop_with_init = alloc_stmt_list ();
vec<vec<an_parts> > an_info = vNULL;
vec<an_loop_parts> an_loop_info = vNULL;
if (TREE_CODE (stmt) == COND_EXPR)
cond = COND_EXPR_COND (stmt);
else if (TREE_CODE (stmt) == SWITCH_EXPR)
cond = SWITCH_COND (stmt);
else if (truth_value_p (TREE_CODE (stmt)))
cond = TREE_OPERAND (stmt, 0);
else
/* Otherwise dont even touch the statement. */
return stmt;
if (!find_rank (location, cond, cond, false, &rank))
return error_mark_node;
extract_array_notation_exprs (stmt, false, &array_list);
loop_init = push_stmt_list ();
for (ii = 0; ii < vec_safe_length (array_list); ii++)
{
tree array_node = (*array_list)[ii];
if (TREE_CODE (array_node) == CALL_EXPR)
{
builtin_loop = fix_builtin_array_notation_fn (array_node, &new_var);
if (builtin_loop == error_mark_node)
{
add_stmt (error_mark_node);
pop_stmt_list (loop_init);
return loop_init;
}
else if (builtin_loop)
{
vec <tree, va_gc>* sub_list = NULL, *new_var_list = NULL;
vec_safe_push (sub_list, array_node);
vec_safe_push (new_var_list, new_var);
add_stmt (builtin_loop);
replace_array_notations (&stmt, false, sub_list, new_var_list);
}
}
}
if (!find_rank (location, stmt, stmt, true, &rank))
{
pop_stmt_list (loop_init);
return error_mark_node;
}
if (rank == 0)
{
add_stmt (stmt);
pop_stmt_list (loop_init);
return loop_init;
}
extract_array_notation_exprs (stmt, true, &array_list);
if (vec_safe_length (array_list) == 0)
return stmt;
list_size = vec_safe_length (array_list);
an_loop_info.safe_grow_cleared (rank);
for (ii = 0; ii < list_size; ii++)
if ((*array_list)[ii]
&& TREE_CODE ((*array_list)[ii]) == ARRAY_NOTATION_REF)
{
tree array_node = (*array_list)[ii];
make_triplet_val_inv (location, &ARRAY_NOTATION_START (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_LENGTH (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_STRIDE (array_node));
}
cilkplus_extract_an_triplets (array_list, list_size, rank, &an_info);
for (ii = 0; ii < rank; ii++)
{
an_loop_info[ii].var = create_tmp_var (integer_type_node);
an_loop_info[ii].ind_init =
build_modify_expr (location, an_loop_info[ii].var,
TREE_TYPE (an_loop_info[ii].var), NOP_EXPR,
location,
build_int_cst (TREE_TYPE (an_loop_info[ii].var), 0),
TREE_TYPE (an_loop_info[ii].var));
}
array_operand = create_array_refs (location, an_info, an_loop_info,
list_size, rank);
replace_array_notations (&stmt, true, array_list, array_operand);
create_cmp_incr (location, &an_loop_info, rank, an_info);
loop_init = pop_stmt_list (loop_init);
body = stmt;
append_to_statement_list_force (loop_init, &loop_with_init);
for (ii = 0; ii < rank; ii++)
{
tree new_loop = push_stmt_list ();
add_stmt (an_loop_info[ii].ind_init);
c_finish_loop (location, an_loop_info[ii].cmp, an_loop_info[ii].incr,
body, NULL_TREE, NULL_TREE, true);
body = pop_stmt_list (new_loop);
}
append_to_statement_list_force (body, &loop_with_init);
an_loop_info.release ();
an_info.release ();
return loop_with_init;
}
tree
build_array_notation_expr (location_t location, tree lhs, tree lhs_origtype,
enum tree_code modifycode, location_t rhs_loc,
tree rhs, tree rhs_origtype)
{
bool found_builtin_fn = false;
tree array_expr_lhs = NULL_TREE, array_expr_rhs = NULL_TREE;
tree array_expr = NULL_TREE;
tree an_init = NULL_TREE;
vec<tree> cond_expr = vNULL;
tree body, loop_with_init = alloc_stmt_list();
tree scalar_mods = NULL_TREE;
vec<tree, va_gc> *rhs_array_operand = NULL, *lhs_array_operand = NULL;
size_t lhs_rank = 0, rhs_rank = 0;
size_t ii = 0;
vec<tree, va_gc> *lhs_list = NULL, *rhs_list = NULL;
tree new_modify_expr, new_var = NULL_TREE, builtin_loop = NULL_TREE;
size_t rhs_list_size = 0, lhs_list_size = 0;
vec<vec<an_parts> > lhs_an_info = vNULL, rhs_an_info = vNULL;
vec<an_loop_parts> lhs_an_loop_info = vNULL, rhs_an_loop_info = vNULL;
/* If either of this is true, an error message must have been send out
already. Not necessary to send out multiple error messages. */
if (lhs == error_mark_node || rhs == error_mark_node)
return error_mark_node;
if (!find_rank (location, rhs, rhs, false, &rhs_rank))
return error_mark_node;
extract_array_notation_exprs (rhs, false, &rhs_list);
rhs_list_size = vec_safe_length (rhs_list);
an_init = push_stmt_list ();
if (rhs_rank)
{
scalar_mods = replace_invariant_exprs (&rhs);
if (scalar_mods)
add_stmt (scalar_mods);
}
for (ii = 0; ii < rhs_list_size; ii++)
{
tree rhs_node = (*rhs_list)[ii];
if (TREE_CODE (rhs_node) == CALL_EXPR)
{
builtin_loop = fix_builtin_array_notation_fn (rhs_node, &new_var);
if (builtin_loop == error_mark_node)
{
pop_stmt_list (an_init);
return error_mark_node;
}
else if (builtin_loop)
{
add_stmt (builtin_loop);
found_builtin_fn = true;
if (new_var)
{
vec<tree, va_gc> *rhs_sub_list = NULL, *new_var_list = NULL;
vec_safe_push (rhs_sub_list, rhs_node);
vec_safe_push (new_var_list, new_var);
replace_array_notations (&rhs, false, rhs_sub_list,
new_var_list);
}
}
}
}
lhs_rank = 0;
rhs_rank = 0;
if (!find_rank (location, lhs, lhs, true, &lhs_rank))
{
pop_stmt_list (an_init);
return error_mark_node;
}
if (!find_rank (location, rhs, rhs, true, &rhs_rank))
{
pop_stmt_list (an_init);
return error_mark_node;
}
if (lhs_rank == 0 && rhs_rank == 0)
{
if (found_builtin_fn)
{
new_modify_expr = build_modify_expr (location, lhs, lhs_origtype,
modifycode, rhs_loc, rhs,
rhs_origtype);
add_stmt (new_modify_expr);
pop_stmt_list (an_init);
return an_init;
}
else
{
pop_stmt_list (an_init);
return NULL_TREE;
}
}
rhs_list_size = 0;
rhs_list = NULL;
extract_array_notation_exprs (rhs, true, &rhs_list);
extract_array_notation_exprs (lhs, true, &lhs_list);
rhs_list_size = vec_safe_length (rhs_list);
lhs_list_size = vec_safe_length (lhs_list);
if (lhs_rank == 0 && rhs_rank != 0)
{
tree rhs_base = rhs;
if (TREE_CODE (rhs_base) == ARRAY_NOTATION_REF)
{
for (ii = 0; ii < (size_t) rhs_rank; ii++)
rhs_base = ARRAY_NOTATION_ARRAY (rhs);
error_at (location, "%qE cannot be scalar when %qE is not", lhs,
rhs_base);
return error_mark_node;
}
else
{
error_at (location, "%qE cannot be scalar when %qE is not", lhs,
rhs_base);
return error_mark_node;
}
}
if (lhs_rank != 0 && rhs_rank != 0 && lhs_rank != rhs_rank)
{
error_at (location, "rank mismatch between %qE and %qE", lhs, rhs);
pop_stmt_list (an_init);
return error_mark_node;
}
/* Here we assign the array notation components to variable so that we can
satisfy the exec once rule. */
for (ii = 0; ii < lhs_list_size; ii++)
{
tree array_node = (*lhs_list)[ii];
make_triplet_val_inv (location, &ARRAY_NOTATION_START (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_LENGTH (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_STRIDE (array_node));
}
for (ii = 0; ii < rhs_list_size; ii++)
if ((*rhs_list)[ii] && TREE_CODE ((*rhs_list)[ii]) == ARRAY_NOTATION_REF)
{
tree array_node = (*rhs_list)[ii];
make_triplet_val_inv (location, &ARRAY_NOTATION_START (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_LENGTH (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_STRIDE (array_node));
}
cond_expr.safe_grow_cleared (MAX (lhs_rank, rhs_rank));
lhs_an_loop_info.safe_grow_cleared (lhs_rank);
if (rhs_rank)
rhs_an_loop_info.safe_grow_cleared (rhs_rank);
cilkplus_extract_an_triplets (lhs_list, lhs_list_size, lhs_rank,
&lhs_an_info);
if (rhs_rank)
{
rhs_an_loop_info.safe_grow_cleared (rhs_rank);
cilkplus_extract_an_triplets (rhs_list, rhs_list_size, rhs_rank,
&rhs_an_info);
}
if (length_mismatch_in_expr_p (EXPR_LOCATION (lhs), lhs_an_info)
|| (rhs_rank
&& length_mismatch_in_expr_p (EXPR_LOCATION (rhs), rhs_an_info)))
{
pop_stmt_list (an_init);
return error_mark_node;
}
if (lhs_list_size > 0 && rhs_list_size > 0 && lhs_rank > 0 && rhs_rank > 0
&& TREE_CODE (lhs_an_info[0][0].length) == INTEGER_CST
&& rhs_an_info[0][0].length
&& TREE_CODE (rhs_an_info[0][0].length) == INTEGER_CST)
{
HOST_WIDE_INT l_length = int_cst_value (lhs_an_info[0][0].length);
HOST_WIDE_INT r_length = int_cst_value (rhs_an_info[0][0].length);
/* Length can be negative or positive. As long as the magnitude is OK,
then the array notation is valid. */
if (absu_hwi (l_length) != absu_hwi (r_length))
{
error_at (location, "length mismatch between LHS and RHS");
pop_stmt_list (an_init);
return error_mark_node;
}
}
for (ii = 0; ii < lhs_rank; ii++)
if (lhs_an_info[0][ii].is_vector)
{
lhs_an_loop_info[ii].var = create_tmp_var (integer_type_node);
lhs_an_loop_info[ii].ind_init = build_modify_expr
(location, lhs_an_loop_info[ii].var,
TREE_TYPE (lhs_an_loop_info[ii].var), NOP_EXPR,
location, build_zero_cst (TREE_TYPE (lhs_an_loop_info[ii].var)),
TREE_TYPE (lhs_an_loop_info[ii].var));
}
for (ii = 0; ii < rhs_rank; ii++)
{
/* When we have a polynomial, we assume that the indices are of type
integer. */
rhs_an_loop_info[ii].var = create_tmp_var (integer_type_node);
rhs_an_loop_info[ii].ind_init = build_modify_expr
(location, rhs_an_loop_info[ii].var,
TREE_TYPE (rhs_an_loop_info[ii].var), NOP_EXPR,
location, build_int_cst (TREE_TYPE (rhs_an_loop_info[ii].var), 0),
TREE_TYPE (rhs_an_loop_info[ii].var));
}
if (lhs_rank)
{
lhs_array_operand = create_array_refs
(location, lhs_an_info, lhs_an_loop_info, lhs_list_size, lhs_rank);
replace_array_notations (&lhs, true, lhs_list, lhs_array_operand);
array_expr_lhs = lhs;
}
if (rhs_array_operand)
vec_safe_truncate (rhs_array_operand, 0);
if (rhs_rank)
{
rhs_array_operand = create_array_refs
(location, rhs_an_info, rhs_an_loop_info, rhs_list_size, rhs_rank);
replace_array_notations (&rhs, true, rhs_list, rhs_array_operand);
vec_safe_truncate (rhs_array_operand, 0);
rhs_array_operand = fix_sec_implicit_args (location, rhs_list,
rhs_an_loop_info, rhs_rank,
rhs);
if (!rhs_array_operand)
return error_mark_node;
replace_array_notations (&rhs, true, rhs_list, rhs_array_operand);
}
else if (rhs_list_size > 0)
{
rhs_array_operand = fix_sec_implicit_args (location, rhs_list,
lhs_an_loop_info, lhs_rank,
lhs);
if (!rhs_array_operand)
return error_mark_node;
replace_array_notations (&rhs, true, rhs_list, rhs_array_operand);
}
array_expr_lhs = lhs;
array_expr_rhs = rhs;
array_expr = build_modify_expr (location, array_expr_lhs, lhs_origtype,
modifycode, rhs_loc, array_expr_rhs,
rhs_origtype);
create_cmp_incr (location, &lhs_an_loop_info, lhs_rank, lhs_an_info);
if (rhs_rank)
create_cmp_incr (location, &rhs_an_loop_info, rhs_rank, rhs_an_info);
for (ii = 0; ii < MAX (lhs_rank, rhs_rank); ii++)
if (ii < lhs_rank && ii < rhs_rank)
cond_expr[ii] = build2 (TRUTH_ANDIF_EXPR, boolean_type_node,
lhs_an_loop_info[ii].cmp,
rhs_an_loop_info[ii].cmp);
else if (ii < lhs_rank && ii >= rhs_rank)
cond_expr[ii] = lhs_an_loop_info[ii].cmp;
else
gcc_unreachable ();
an_init = pop_stmt_list (an_init);
append_to_statement_list_force (an_init, &loop_with_init);
body = array_expr;
for (ii = 0; ii < MAX (lhs_rank, rhs_rank); ii++)
{
tree incr_list = alloc_stmt_list ();
tree new_loop = push_stmt_list ();
if (lhs_rank)
add_stmt (lhs_an_loop_info[ii].ind_init);
if (rhs_rank)
add_stmt (rhs_an_loop_info[ii].ind_init);
if (lhs_rank)
append_to_statement_list_force (lhs_an_loop_info[ii].incr, &incr_list);
if (rhs_rank && rhs_an_loop_info[ii].incr)
append_to_statement_list_force (rhs_an_loop_info[ii].incr, &incr_list);
c_finish_loop (location, cond_expr[ii], incr_list, body, NULL_TREE,
NULL_TREE, true);
body = pop_stmt_list (new_loop);
}
append_to_statement_list_force (body, &loop_with_init);
lhs_an_info.release ();
lhs_an_loop_info.release ();
if (rhs_rank)
{
rhs_an_info.release ();
rhs_an_loop_info.release ();
}
cond_expr.release ();
return loop_with_init;
}
static tree
fix_builtin_array_notation_fn (tree an_builtin_fn, tree *new_var)
{
tree new_var_type = NULL_TREE, func_parm, new_expr, new_yes_expr, new_no_expr;
tree array_ind_value = NULL_TREE, new_no_ind, new_yes_ind, new_no_list;
tree new_yes_list, new_cond_expr, new_var_init = NULL_TREE;
tree new_exp_init = NULL_TREE;
vec<tree, va_gc> *array_list = NULL, *array_operand = NULL;
size_t list_size = 0, rank = 0, ii = 0;
tree loop_init, array_op0;
tree identity_value = NULL_TREE, call_fn = NULL_TREE, new_call_expr, body;
location_t location = UNKNOWN_LOCATION;
tree loop_with_init = alloc_stmt_list ();
vec<vec<an_parts> > an_info = vNULL;
vec<an_loop_parts> an_loop_info = vNULL;
enum built_in_function an_type =
is_cilkplus_reduce_builtin (CALL_EXPR_FN (an_builtin_fn));
if (an_type == BUILT_IN_NONE)
return NULL_TREE;
/* Builtin call should contain at least one argument. */
if (call_expr_nargs (an_builtin_fn) == 0)
{
error_at (EXPR_LOCATION (an_builtin_fn), "Invalid builtin arguments");
return error_mark_node;
}
if (an_type == BUILT_IN_CILKPLUS_SEC_REDUCE
|| an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MUTATING)
{
call_fn = CALL_EXPR_ARG (an_builtin_fn, 2);
if (TREE_CODE (call_fn) == ADDR_EXPR)
call_fn = TREE_OPERAND (call_fn, 0);
identity_value = CALL_EXPR_ARG (an_builtin_fn, 0);
func_parm = CALL_EXPR_ARG (an_builtin_fn, 1);
}
else
func_parm = CALL_EXPR_ARG (an_builtin_fn, 0);
/* Fully fold any EXCESSIVE_PRECISION EXPR that can occur in the function
parameter. */
func_parm = c_fully_fold (func_parm, false, NULL);
if (func_parm == error_mark_node)
return error_mark_node;
location = EXPR_LOCATION (an_builtin_fn);
if (!find_rank (location, an_builtin_fn, an_builtin_fn, true, &rank))
return error_mark_node;
if (rank == 0)
{
error_at (location, "Invalid builtin arguments");
return error_mark_node;
}
else if (rank > 1
&& (an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MAX_IND
|| an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MIN_IND))
{
error_at (location, "__sec_reduce_min_ind or __sec_reduce_max_ind cannot"
" have arrays with dimension greater than 1");
return error_mark_node;
}
extract_array_notation_exprs (func_parm, true, &array_list);
list_size = vec_safe_length (array_list);
switch (an_type)
{
case BUILT_IN_CILKPLUS_SEC_REDUCE_ADD:
case BUILT_IN_CILKPLUS_SEC_REDUCE_MUL:
case BUILT_IN_CILKPLUS_SEC_REDUCE_MAX:
case BUILT_IN_CILKPLUS_SEC_REDUCE_MIN:
new_var_type = TREE_TYPE ((*array_list)[0]);
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_ALL_ZERO:
case BUILT_IN_CILKPLUS_SEC_REDUCE_ALL_NONZERO:
case BUILT_IN_CILKPLUS_SEC_REDUCE_ANY_ZERO:
case BUILT_IN_CILKPLUS_SEC_REDUCE_ANY_NONZERO:
new_var_type = integer_type_node;
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MAX_IND:
case BUILT_IN_CILKPLUS_SEC_REDUCE_MIN_IND:
new_var_type = integer_type_node;
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE:
if (call_fn && identity_value)
new_var_type = TREE_TYPE ((*array_list)[0]);
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MUTATING:
new_var_type = NULL_TREE;
break;
default:
gcc_unreachable ();
}
an_loop_info.safe_grow_cleared (rank);
cilkplus_extract_an_triplets (array_list, list_size, rank, &an_info);
loop_init = alloc_stmt_list ();
for (ii = 0; ii < rank; ii++)
{
an_loop_info[ii].var = create_tmp_var (integer_type_node);
an_loop_info[ii].ind_init =
build_modify_expr (location, an_loop_info[ii].var,
TREE_TYPE (an_loop_info[ii].var), NOP_EXPR,
location,
build_int_cst (TREE_TYPE (an_loop_info[ii].var), 0),
TREE_TYPE (an_loop_info[ii].var));
}
array_operand = create_array_refs (location, an_info, an_loop_info,
list_size, rank);
replace_array_notations (&func_parm, true, array_list, array_operand);
create_cmp_incr (location, &an_loop_info, rank, an_info);
if (an_type != BUILT_IN_CILKPLUS_SEC_REDUCE_MUTATING)
{
*new_var = build_decl (location, VAR_DECL, NULL_TREE, new_var_type);
gcc_assert (*new_var && *new_var != error_mark_node);
}
else
*new_var = NULL_TREE;
if (an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MAX_IND
|| an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MIN_IND)
array_ind_value = build_decl (location, VAR_DECL, NULL_TREE,
TREE_TYPE (func_parm));
array_op0 = (*array_operand)[0];
if (TREE_CODE (array_op0) == INDIRECT_REF)
array_op0 = TREE_OPERAND (array_op0, 0);
switch (an_type)
{
case BUILT_IN_CILKPLUS_SEC_REDUCE_ADD:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_zero_cst (new_var_type), new_var_type);
new_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), PLUS_EXPR,
location, func_parm, TREE_TYPE (func_parm));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MUL:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_one_cst (new_var_type), new_var_type);
new_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), MULT_EXPR,
location, func_parm, TREE_TYPE (func_parm));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_ALL_ZERO:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_one_cst (new_var_type), new_var_type);
/* Initially you assume everything is zero, now if we find a case where
it is NOT true, then we set the result to false. Otherwise
we just keep the previous value. */
new_yes_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_zero_cst (TREE_TYPE (*new_var)),
TREE_TYPE (*new_var));
new_no_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_cond_expr = build2 (NE_EXPR, TREE_TYPE (func_parm), func_parm,
build_zero_cst (TREE_TYPE (func_parm)));
new_expr = build_conditional_expr
(location, new_cond_expr, false, new_yes_expr,
TREE_TYPE (new_yes_expr), new_no_expr, TREE_TYPE (new_no_expr));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_ALL_NONZERO:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_one_cst (new_var_type), new_var_type);
/* Initially you assume everything is non-zero, now if we find a case
where it is NOT true, then we set the result to false. Otherwise
we just keep the previous value. */
new_yes_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_zero_cst (TREE_TYPE (*new_var)),
TREE_TYPE (*new_var));
new_no_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_cond_expr = build2 (EQ_EXPR, TREE_TYPE (func_parm), func_parm,
build_zero_cst (TREE_TYPE (func_parm)));
new_expr = build_conditional_expr
(location, new_cond_expr, false, new_yes_expr,
TREE_TYPE (new_yes_expr), new_no_expr, TREE_TYPE (new_no_expr));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_ANY_ZERO:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_zero_cst (new_var_type), new_var_type);
/* Initially we assume there are NO zeros in the list. When we find
a non-zero, we keep the previous value. If we find a zero, we
set the value to true. */
new_yes_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_one_cst (new_var_type), new_var_type);
new_no_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_cond_expr = build2 (EQ_EXPR, TREE_TYPE (func_parm), func_parm,
build_zero_cst (TREE_TYPE (func_parm)));
new_expr = build_conditional_expr
(location, new_cond_expr, false, new_yes_expr,
TREE_TYPE (new_yes_expr), new_no_expr, TREE_TYPE (new_no_expr));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_ANY_NONZERO:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_zero_cst (new_var_type), new_var_type);
/* Initially we assume there are NO non-zeros in the list. When we find
a zero, we keep the previous value. If we find a non-zero, we set
the value to true. */
new_yes_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_one_cst (new_var_type), new_var_type);
new_no_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_cond_expr = build2 (NE_EXPR, TREE_TYPE (func_parm), func_parm,
build_zero_cst (TREE_TYPE (func_parm)));
new_expr = build_conditional_expr
(location, new_cond_expr, false, new_yes_expr,
TREE_TYPE (new_yes_expr), new_no_expr, TREE_TYPE (new_no_expr));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MAX:
if (TYPE_MIN_VALUE (new_var_type))
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, TYPE_MIN_VALUE (new_var_type), new_var_type);
else
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, func_parm, new_var_type);
new_no_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_yes_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, func_parm, TREE_TYPE (*new_var));
new_expr = build_conditional_expr
(location,
build2 (LT_EXPR, TREE_TYPE (*new_var), *new_var, func_parm), false,
new_yes_expr, TREE_TYPE (*new_var), new_no_expr, TREE_TYPE (*new_var));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MIN:
if (TYPE_MAX_VALUE (new_var_type))
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, TYPE_MAX_VALUE (new_var_type), new_var_type);
else
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, func_parm, new_var_type);
new_no_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_yes_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, func_parm, TREE_TYPE (*new_var));
new_expr = build_conditional_expr
(location,
build2 (GT_EXPR, TREE_TYPE (*new_var), *new_var, func_parm), false,
new_yes_expr, TREE_TYPE (*new_var), new_no_expr, TREE_TYPE (*new_var));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MAX_IND:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_zero_cst (new_var_type), new_var_type);
new_exp_init = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR, location, func_parm, TREE_TYPE (func_parm));
new_no_ind = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_no_expr = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR,
location, array_ind_value, TREE_TYPE (array_ind_value));
if (list_size > 1)
{
new_yes_ind = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, an_loop_info[0].var, TREE_TYPE (an_loop_info[0].var));
new_yes_expr = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR,
location, func_parm, TREE_TYPE ((*array_operand)[0]));
}
else
{
new_yes_ind = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, TREE_OPERAND (array_op0, 1),
TREE_TYPE (TREE_OPERAND (array_op0, 1)));
new_yes_expr = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR,
location, func_parm, TREE_OPERAND (array_op0, 1));
}
new_yes_list = alloc_stmt_list ();
append_to_statement_list (new_yes_ind, &new_yes_list);
append_to_statement_list (new_yes_expr, &new_yes_list);
new_no_list = alloc_stmt_list ();
append_to_statement_list (new_no_ind, &new_no_list);
append_to_statement_list (new_no_expr, &new_no_list);
new_expr = build_conditional_expr
(location,
build2 (LE_EXPR, TREE_TYPE (array_ind_value), array_ind_value,
func_parm),
false,
new_yes_list, TREE_TYPE (*new_var), new_no_list, TREE_TYPE (*new_var));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MIN_IND:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, build_zero_cst (new_var_type), new_var_type);
new_exp_init = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR, location, func_parm, TREE_TYPE (func_parm));
new_no_ind = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, *new_var, TREE_TYPE (*new_var));
new_no_expr = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR,
location, array_ind_value, TREE_TYPE (array_ind_value));
if (list_size > 1)
{
new_yes_ind = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, an_loop_info[0].var, TREE_TYPE (an_loop_info[0].var));
new_yes_expr = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR,
location, func_parm, TREE_TYPE (array_op0));
}
else
{
new_yes_ind = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, TREE_OPERAND (array_op0, 1),
TREE_TYPE (TREE_OPERAND (array_op0, 1)));
new_yes_expr = build_modify_expr
(location, array_ind_value, TREE_TYPE (array_ind_value),
NOP_EXPR,
location, func_parm, TREE_OPERAND (array_op0, 1));
}
new_yes_list = alloc_stmt_list ();
append_to_statement_list (new_yes_ind, &new_yes_list);
append_to_statement_list (new_yes_expr, &new_yes_list);
new_no_list = alloc_stmt_list ();
append_to_statement_list (new_no_ind, &new_no_list);
append_to_statement_list (new_no_expr, &new_no_list);
new_expr = build_conditional_expr
(location,
build2 (GE_EXPR, TREE_TYPE (array_ind_value), array_ind_value,
func_parm),
false,
new_yes_list, TREE_TYPE (*new_var), new_no_list, TREE_TYPE (*new_var));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE:
new_var_init = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, identity_value, new_var_type);
new_call_expr = build_call_expr (call_fn, 2, *new_var, func_parm);
new_expr = build_modify_expr
(location, *new_var, TREE_TYPE (*new_var), NOP_EXPR,
location, new_call_expr, TREE_TYPE (*new_var));
break;
case BUILT_IN_CILKPLUS_SEC_REDUCE_MUTATING:
new_expr = build_call_expr (call_fn, 2, identity_value, func_parm);
break;
default:
gcc_unreachable ();
break;
}
for (ii = 0; ii < rank; ii++)
append_to_statement_list (an_loop_info[ii].ind_init, &loop_init);
if (an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MAX_IND
|| an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MIN_IND)
append_to_statement_list (new_exp_init, &loop_init);
if (an_type != BUILT_IN_CILKPLUS_SEC_REDUCE_MUTATING)
append_to_statement_list (new_var_init, &loop_init);
append_to_statement_list_force (loop_init, &loop_with_init);
body = new_expr;
for (ii = 0; ii < rank; ii++)
{
tree new_loop = push_stmt_list ();
c_finish_loop (location, an_loop_info[ii].cmp, an_loop_info[ii].incr,
body, NULL_TREE, NULL_TREE, true);
body = pop_stmt_list (new_loop);
}
append_to_statement_list_force (body, &loop_with_init);
an_info.release ();
an_loop_info.release ();
return loop_with_init;
}
static tree
fix_array_notation_call_expr (tree arg)
{
vec<tree, va_gc> *array_list = NULL, *array_operand = NULL;
tree new_var = NULL_TREE;
size_t list_size = 0, rank = 0, ii = 0;
tree loop_init;
tree body, loop_with_init = alloc_stmt_list ();
location_t location = UNKNOWN_LOCATION;
vec<vec<an_parts> > an_info = vNULL;
vec<an_loop_parts> an_loop_info = vNULL;
if (TREE_CODE (arg) == CALL_EXPR
&& is_cilkplus_reduce_builtin (CALL_EXPR_FN (arg)))
{
loop_init = fix_builtin_array_notation_fn (arg, &new_var);
/* We are ignoring the new var because either the user does not want to
capture it OR he is using sec_reduce_mutating function. */
return loop_init;
}
if (!find_rank (location, arg, arg, false, &rank))
return error_mark_node;
if (rank == 0)
return arg;
extract_array_notation_exprs (arg, true, &array_list);
if (vec_safe_length (array_list) == 0)
return arg;
list_size = vec_safe_length (array_list);
location = EXPR_LOCATION (arg);
an_loop_info.safe_grow_cleared (rank);
loop_init = push_stmt_list ();
for (ii = 0; ii < list_size; ii++)
if ((*array_list)[ii]
&& TREE_CODE ((*array_list)[ii]) == ARRAY_NOTATION_REF)
{
tree array_node = (*array_list)[ii];
make_triplet_val_inv (location, &ARRAY_NOTATION_START (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_LENGTH (array_node));
make_triplet_val_inv (location, &ARRAY_NOTATION_STRIDE (array_node));
}
cilkplus_extract_an_triplets (array_list, list_size, rank, &an_info);
if (length_mismatch_in_expr_p (location, an_info))
{
pop_stmt_list (loop_init);
return error_mark_node;
}
for (ii = 0; ii < rank; ii++)
{
an_loop_info[ii].var = create_tmp_var (integer_type_node);
an_loop_info[ii].ind_init =
build_modify_expr (location, an_loop_info[ii].var,
TREE_TYPE (an_loop_info[ii].var), NOP_EXPR, location,
build_int_cst (TREE_TYPE (an_loop_info[ii].var), 0),
TREE_TYPE (an_loop_info[ii].var));
}
array_operand = create_array_refs (location, an_info, an_loop_info,
list_size, rank);
replace_array_notations (&arg, true, array_list, array_operand);
create_cmp_incr (location, &an_loop_info, rank, an_info);
loop_init = pop_stmt_list (loop_init);
append_to_statement_list_force (loop_init, &loop_with_init);
body = arg;
for (ii = 0; ii < rank; ii++)
{
tree new_loop = push_stmt_list ();
add_stmt (an_loop_info[ii].ind_init);
c_finish_loop (location, an_loop_info[ii].cmp, an_loop_info[ii].incr,
body, NULL_TREE, NULL_TREE, true);
body = pop_stmt_list (new_loop);
}
append_to_statement_list_force (body, &loop_with_init);
an_loop_info.release ();
an_info.release ();
return loop_with_init;
}
struct c_expr
fix_array_notation_expr (location_t location, enum tree_code code,
struct c_expr arg)
{
vec<tree, va_gc> *array_list = NULL, *array_operand = NULL;
size_t list_size = 0, rank = 0, ii = 0;
tree loop_init;
tree body, loop_with_init = alloc_stmt_list ();
vec<vec<an_parts> > an_info = vNULL;
vec<an_loop_parts> an_loop_info = vNULL;
if (!find_rank (location, arg.value, arg.value, false, &rank))
{
/* If this function returns a NULL, we convert the tree value in the
structure to error_mark_node and the parser should take care of the
rest. */
arg.value = error_mark_node;
return arg;
}
if (rank == 0)
return arg;
extract_array_notation_exprs (arg.value, true, &array_list);
if (vec_safe_length (array_list) == 0)
return arg;
list_size = vec_safe_length (array_list);
an_loop_info.safe_grow_cleared (rank);
cilkplus_extract_an_triplets (array_list, list_size, rank, &an_info);
loop_init = push_stmt_list ();
for (ii = 0; ii < rank; ii++)
{
an_loop_info[ii].var = create_tmp_var (integer_type_node);
an_loop_info[ii].ind_init =
build_modify_expr (location, an_loop_info[ii].var,
TREE_TYPE (an_loop_info[ii].var), NOP_EXPR,
location,
build_int_cst (TREE_TYPE (an_loop_info[ii].var), 0),
TREE_TYPE (an_loop_info[ii].var));;
}
array_operand = create_array_refs (location, an_info, an_loop_info,
list_size, rank);
replace_array_notations (&arg.value, true, array_list, array_operand);
create_cmp_incr (location, &an_loop_info, rank, an_info);
arg = default_function_array_read_conversion (location, arg);
if (code == POSTINCREMENT_EXPR || code == POSTDECREMENT_EXPR)
arg.value = build_unary_op (location, code, arg.value, 0);
else if (code == PREINCREMENT_EXPR || code == PREDECREMENT_EXPR)
arg = parser_build_unary_op (location, code, arg);
loop_init = pop_stmt_list (loop_init);
append_to_statement_list_force (loop_init, &loop_with_init);
body = arg.value;
for (ii = 0; ii < rank; ii++)
{
tree new_loop = push_stmt_list ();
add_stmt (an_loop_info[ii].ind_init);
c_finish_loop (location, an_loop_info[ii].cmp,
an_loop_info[ii].incr, body, NULL_TREE,
NULL_TREE, true);
body = pop_stmt_list (new_loop);
}
append_to_statement_list_force (body, &loop_with_init);
arg.value = loop_with_init;
an_info.release ();
an_loop_info.release ();
return arg;
}
