static const declaration_t *current_function_decl;
static ir_node *current_function_name;
+static struct obstack asm_obst;
+
typedef enum declaration_type_t {
DECLARATION_TYPE_UNKNOWN,
DECLARATION_TYPE_FUNCTION,
pos->linenr);
}
-const char *retrieve_dbg(const dbg_info *dbg, unsigned *line)
+const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
{
const source_position_t *pos = (const source_position_t*) dbg;
if(pos == NULL)
void init_ast2firm(void)
{
+ obstack_init(&asm_obst);
}
void exit_ast2firm(void)
{
+ obstack_free(&asm_obst, NULL);
}
static unsigned unique_id = 0;
return mode_Hs;
case ATOMIC_TYPE_USHORT:
return mode_Hu;
+ case ATOMIC_TYPE_BOOL:
case ATOMIC_TYPE_LONG:
case ATOMIC_TYPE_INT:
return mode_Is;
return mode_D;
case ATOMIC_TYPE_LONG_DOUBLE:
return mode_E;
- case ATOMIC_TYPE_BOOL:
- return mode_b;
#ifdef PROVIDE_COMPLEX
case ATOMIC_TYPE_FLOAT_COMPLEX:
case ATOMIC_TYPE_DOUBLE_COMPLEX:
case TYPE_ARRAY:
return get_array_type_size(&type->array);
case TYPE_BUILTIN:
+ return get_type_size(type->builtin.real_type);
case TYPE_TYPEDEF:
case TYPE_TYPEOF:
case TYPE_INVALID:
ident *id = get_mode_ident(mode);
ir_type *irtype = new_type_primitive(id, mode);
+ if(type->atype == ATOMIC_TYPE_LONG_DOUBLE) {
+ set_type_alignment_bytes(irtype, 4);
+ }
+
return irtype;
}
firm_type = create_enum_type(&type->enumt);
break;
case TYPE_BUILTIN:
+ firm_type = get_ir_type(type->builtin.real_type);
+ break;
case TYPE_TYPEOF:
case TYPE_TYPEDEF:
case TYPE_INVALID:
} else {
set_entity_visibility(entity, visibility_external_allocated);
}
+ set_entity_allocation(entity, allocation_static);
declaration->declaration_type = DECLARATION_TYPE_FUNCTION;
declaration->v.entity = entity;
ir_entity *const entity = new_entity(global_type, id, type);
set_entity_ld_ident(entity, id);
set_entity_variability(entity, variability_constant);
+ set_entity_allocation(entity, allocation_static);
ir_type *const elem_type = ir_type_const_char;
ir_mode *const mode = get_type_mode(elem_type);
ir_entity *const entity = new_entity(global_type, id, type);
set_entity_ld_ident(entity, id);
set_entity_variability(entity, variability_constant);
+ set_entity_allocation(entity, allocation_static);
ir_mode *const mode = get_type_mode(elem_type);
ir_node *res = new_d_Const(dbgi, mode, tv);
return res;
}
+ case T___builtin_va_end:
+ return NULL;
default:
panic("Unsupported builtin found\n");
}
ir_node *true_block,
ir_node *false_block);
+static void assign_value(dbg_info *dbgi, ir_node *addr, type_t *type,
+ ir_node *value)
+{
+ value = do_strict_conv(dbgi, value);
+
+ ir_node *memory = get_store();
+
+ if(is_type_scalar(type)) {
+ ir_node *store = new_d_Store(dbgi, memory, addr, value);
+ ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
+ set_store(store_mem);
+ } else {
+ ir_type *irtype = get_ir_type(type);
+ ir_node *copyb = new_d_CopyB(dbgi, memory, addr, value, irtype);
+ ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ set_store(copyb_mem);
+ }
+}
+
static void set_value_for_expression(const expression_t *expression,
ir_node *value)
{
}
}
- ir_node *addr = expression_to_addr(expression);
- ir_node *memory = get_store();
-
- type_t *type = skip_typeref(expression->base.datatype);
- if(is_type_scalar(type)) {
- ir_node *store = new_d_Store(dbgi, memory, addr, value);
- ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
- set_store(store_mem);
- } else {
- ir_type *irtype = get_ir_type(type);
- ir_node *copyb = new_d_CopyB(dbgi, memory, addr, value, irtype);
- ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
- set_store(copyb_mem);
- }
+ ir_node *addr = expression_to_addr(expression);
+ type_t *type = skip_typeref(expression->base.datatype);
+ assign_value(dbgi, addr, type, value);
}
static ir_node *create_conv(dbg_info *dbgi, ir_node *value, ir_mode *dest_mode)
offset = new_Const(mode, get_mode_one(mode));
}
- switch(expression->type) {
- case UNEXPR_POSTFIX_INCREMENT: {
+ switch(expression->expression.type) {
+ case EXPR_UNARY_POSTFIX_INCREMENT: {
ir_node *new_value = new_d_Add(dbgi, value_node, offset, mode);
set_value_for_expression(value, new_value);
return value_node;
}
- case UNEXPR_POSTFIX_DECREMENT: {
+ case EXPR_UNARY_POSTFIX_DECREMENT: {
ir_node *new_value = new_d_Sub(dbgi, value_node, offset, mode);
set_value_for_expression(value, new_value);
return value_node;
}
- case UNEXPR_PREFIX_INCREMENT: {
+ case EXPR_UNARY_PREFIX_INCREMENT: {
ir_node *new_value = new_d_Add(dbgi, value_node, offset, mode);
set_value_for_expression(value, new_value);
return new_value;
}
- case UNEXPR_PREFIX_DECREMENT: {
+ case EXPR_UNARY_PREFIX_DECREMENT: {
ir_node *new_value = new_d_Sub(dbgi, value_node, offset, mode);
set_value_for_expression(value, new_value);
return new_value;
type_t *type = skip_typeref(expression->expression.datatype);
ir_mode *mode = get_ir_mode(type);
- if(expression->type == UNEXPR_TAKE_ADDRESS)
+ if(expression->expression.type == EXPR_UNARY_TAKE_ADDRESS)
return expression_to_addr(expression->value);
const expression_t *value = expression->value;
ir_node *value_node = expression_to_firm(value);
- switch(expression->type) {
- case UNEXPR_NEGATE:
+ switch(expression->expression.type) {
+ case EXPR_UNARY_NEGATE:
return new_d_Minus(dbgi, value_node, mode);
- case UNEXPR_PLUS:
+ case EXPR_UNARY_PLUS:
return value_node;
- case UNEXPR_BITWISE_NEGATE:
+ case EXPR_UNARY_BITWISE_NEGATE:
return new_d_Not(dbgi, value_node, mode);
- case UNEXPR_NOT: {
+ case EXPR_UNARY_NOT: {
if(get_irn_mode(value_node) != mode_b) {
value_node = create_conv(dbgi, value_node, mode_b);
}
}
return value_node;
}
- case UNEXPR_DEREFERENCE: {
+ case EXPR_UNARY_DEREFERENCE: {
type_t *value_type = skip_typeref(value->base.datatype);
ir_type *irtype = get_ir_type(value_type);
assert(is_Pointer_type(irtype));
ir_type *points_to = get_pointer_points_to_type(irtype);
return deref_address(points_to, value_node, dbgi);
}
- case UNEXPR_POSTFIX_INCREMENT:
- case UNEXPR_POSTFIX_DECREMENT:
- case UNEXPR_PREFIX_INCREMENT:
- case UNEXPR_PREFIX_DECREMENT:
+ case EXPR_UNARY_POSTFIX_INCREMENT:
+ case EXPR_UNARY_POSTFIX_DECREMENT:
+ case EXPR_UNARY_PREFIX_INCREMENT:
+ case EXPR_UNARY_PREFIX_DECREMENT:
return create_incdec(expression);
- case UNEXPR_CAST: {
+ case EXPR_UNARY_CAST: {
ir_node *node = create_conv(dbgi, value_node, get_ir_mode(type));
node = do_strict_conv(dbgi, node);
return node;
}
- case UNEXPR_CAST_IMPLICIT:
+ case EXPR_UNARY_CAST_IMPLICIT:
return create_conv(dbgi, value_node, get_ir_mode(type));
- case UNEXPR_TAKE_ADDRESS:
- case UNEXPR_INVALID:
+ default:
break;
}
panic("invalid UNEXPR type found");
}
-static long get_pnc(binary_expression_type_t type)
+static long get_pnc(const expression_type_t type)
{
switch(type) {
- case BINEXPR_EQUAL: return pn_Cmp_Eq;
- case BINEXPR_NOTEQUAL: return pn_Cmp_Lg;
- case BINEXPR_LESS: return pn_Cmp_Lt;
- case BINEXPR_LESSEQUAL: return pn_Cmp_Le;
- case BINEXPR_GREATER: return pn_Cmp_Gt;
- case BINEXPR_GREATEREQUAL: return pn_Cmp_Ge;
+ case EXPR_BINARY_EQUAL: return pn_Cmp_Eq;
+ case EXPR_BINARY_ISLESSGREATER: return pn_Cmp_Lg;
+ case EXPR_BINARY_NOTEQUAL: return pn_Cmp_Ne;
+ case EXPR_BINARY_ISLESS:
+ case EXPR_BINARY_LESS: return pn_Cmp_Lt;
+ case EXPR_BINARY_ISLESSEQUAL:
+ case EXPR_BINARY_LESSEQUAL: return pn_Cmp_Le;
+ case EXPR_BINARY_ISGREATER:
+ case EXPR_BINARY_GREATER: return pn_Cmp_Gt;
+ case EXPR_BINARY_ISGREATEREQUAL:
+ case EXPR_BINARY_GREATEREQUAL: return pn_Cmp_Ge;
+ case EXPR_BINARY_ISUNORDERED: return pn_Cmp_Uo;
+
default:
break;
}
ir_node *res;
- switch(expression->type) {
- case BINEXPR_SHIFTLEFT_ASSIGN:
- case BINEXPR_SHIFTLEFT:
+ switch(expression->expression.type) {
+ case EXPR_BINARY_SHIFTLEFT_ASSIGN:
+ case EXPR_BINARY_SHIFTLEFT:
res = new_d_Shl(dbgi, left, right, mode);
break;
- case BINEXPR_SHIFTRIGHT_ASSIGN:
- case BINEXPR_SHIFTRIGHT: {
+ case EXPR_BINARY_SHIFTRIGHT_ASSIGN:
+ case EXPR_BINARY_SHIFTRIGHT: {
expression_t *expr_left = expression->left;
type_t *type_left = skip_typeref(expr_left->base.datatype);
ir_node *op;
ir_node *res;
- switch (expression->type) {
- case BINEXPR_DIV:
- case BINEXPR_DIV_ASSIGN:
- if(mode_is_float(mode)) {
- op = new_d_Quot(dbgi, pin, left, right, mode, op_pin_state_floats);
- res = new_d_Proj(dbgi, op, mode, pn_Quot_res);
- } else {
- op = new_d_Div(dbgi, pin, left, right, mode, op_pin_state_floats);
- res = new_d_Proj(dbgi, op, mode, pn_Div_res);
- }
- break;
+ switch (expression->expression.type) {
+ case EXPR_BINARY_DIV:
+ case EXPR_BINARY_DIV_ASSIGN:
+ if(mode_is_float(mode)) {
+ op = new_d_Quot(dbgi, pin, left, right, mode, op_pin_state_floats);
+ res = new_d_Proj(dbgi, op, mode, pn_Quot_res);
+ } else {
+ op = new_d_Div(dbgi, pin, left, right, mode, op_pin_state_floats);
+ res = new_d_Proj(dbgi, op, mode, pn_Div_res);
+ }
+ break;
- case BINEXPR_MOD:
- case BINEXPR_MOD_ASSIGN:
- assert(!mode_is_float(mode));
- op = new_d_Mod(dbgi, pin, left, right, mode, op_pin_state_floats);
- res = new_d_Proj(dbgi, op, mode, pn_Mod_res);
- break;
+ case EXPR_BINARY_MOD:
+ case EXPR_BINARY_MOD_ASSIGN:
+ assert(!mode_is_float(mode));
+ op = new_d_Mod(dbgi, pin, left, right, mode, op_pin_state_floats);
+ res = new_d_Proj(dbgi, op, mode, pn_Mod_res);
+ break;
- default: panic("unexpected binary expression type in create_divmod()");
+ default: panic("unexpected binary expression type in create_divmod()");
}
return res;
static ir_node *binary_expression_to_firm(const binary_expression_t *expression)
{
- binary_expression_type_t type = expression->type;
+ expression_type_t type = expression->expression.type;
+
switch(type) {
- case BINEXPR_EQUAL:
- case BINEXPR_NOTEQUAL:
- case BINEXPR_LESS:
- case BINEXPR_LESSEQUAL:
- case BINEXPR_GREATER:
- case BINEXPR_GREATEREQUAL: {
+ case EXPR_BINARY_EQUAL:
+ case EXPR_BINARY_NOTEQUAL:
+ case EXPR_BINARY_LESS:
+ case EXPR_BINARY_LESSEQUAL:
+ case EXPR_BINARY_GREATER:
+ case EXPR_BINARY_GREATEREQUAL:
+ case EXPR_BINARY_ISGREATER:
+ case EXPR_BINARY_ISGREATEREQUAL:
+ case EXPR_BINARY_ISLESS:
+ case EXPR_BINARY_ISLESSEQUAL:
+ case EXPR_BINARY_ISLESSGREATER:
+ case EXPR_BINARY_ISUNORDERED: {
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
ir_node *left = expression_to_firm(expression->left);
ir_node *right = expression_to_firm(expression->right);
ir_node *proj = new_d_Proj(dbgi, cmp, mode_b, pnc);
return proj;
}
- case BINEXPR_ASSIGN: {
+ case EXPR_BINARY_ASSIGN: {
ir_node *right = expression_to_firm(expression->right);
set_value_for_expression(expression->left, right);
return right;
}
- case BINEXPR_ADD:
+ case EXPR_BINARY_ADD:
return create_add(expression);
- case BINEXPR_SUB:
+ case EXPR_BINARY_SUB:
return create_sub(expression);
- case BINEXPR_MUL:
+ case EXPR_BINARY_MUL:
return create_arithmetic_binop(expression, new_d_Mul);
- case BINEXPR_BITWISE_AND:
+ case EXPR_BINARY_BITWISE_AND:
return create_arithmetic_binop(expression, new_d_And);
- case BINEXPR_BITWISE_OR:
+ case EXPR_BINARY_BITWISE_OR:
return create_arithmetic_binop(expression, new_d_Or);
- case BINEXPR_BITWISE_XOR:
+ case EXPR_BINARY_BITWISE_XOR:
return create_arithmetic_binop(expression, new_d_Eor);
- case BINEXPR_SHIFTLEFT:
- case BINEXPR_SHIFTRIGHT:
+ case EXPR_BINARY_SHIFTLEFT:
+ case EXPR_BINARY_SHIFTRIGHT:
return create_shift(expression);
- case BINEXPR_DIV:
- case BINEXPR_MOD:
+ case EXPR_BINARY_DIV:
+ case EXPR_BINARY_MOD:
return create_divmod(expression);
- case BINEXPR_LOGICAL_AND:
- case BINEXPR_LOGICAL_OR:
+ case EXPR_BINARY_LOGICAL_AND:
+ case EXPR_BINARY_LOGICAL_OR:
return create_lazy_op(expression);
- case BINEXPR_COMMA:
+ case EXPR_BINARY_COMMA:
expression_to_firm(expression->left);
return expression_to_firm(expression->right);
- case BINEXPR_ADD_ASSIGN:
+ case EXPR_BINARY_ADD_ASSIGN:
return create_arithmetic_assign_binop(expression, new_d_Add);
- case BINEXPR_SUB_ASSIGN:
+ case EXPR_BINARY_SUB_ASSIGN:
return create_arithmetic_assign_binop(expression, new_d_Sub);
- case BINEXPR_MUL_ASSIGN:
+ case EXPR_BINARY_MUL_ASSIGN:
return create_arithmetic_assign_binop(expression, new_d_Mul);
- case BINEXPR_DIV_ASSIGN:
+ case EXPR_BINARY_DIV_ASSIGN:
return create_arithmetic_assign_divmod(expression);
- case BINEXPR_BITWISE_AND_ASSIGN:
+ case EXPR_BINARY_BITWISE_AND_ASSIGN:
return create_arithmetic_assign_binop(expression, new_d_And);
- case BINEXPR_BITWISE_OR_ASSIGN:
+ case EXPR_BINARY_BITWISE_OR_ASSIGN:
return create_arithmetic_assign_binop(expression, new_d_Or);
- case BINEXPR_BITWISE_XOR_ASSIGN:
+ case EXPR_BINARY_BITWISE_XOR_ASSIGN:
return create_arithmetic_assign_binop(expression, new_d_Eor);
- case BINEXPR_SHIFTLEFT_ASSIGN:
- case BINEXPR_SHIFTRIGHT_ASSIGN:
+ case EXPR_BINARY_SHIFTLEFT_ASSIGN:
+ case EXPR_BINARY_SHIFTRIGHT_ASSIGN:
return create_arithmetic_assign_shift(expression);
default:
panic("TODO binexpr type");
return size_node;
}
+static tarval *try_fold_constant(const expression_t *expression)
+{
+ ir_graph *old_current_ir_graph = current_ir_graph;
+ if(current_ir_graph == NULL) {
+ current_ir_graph = get_const_code_irg();
+ }
+
+ ir_node *cnst = expression_to_firm(expression);
+ current_ir_graph = old_current_ir_graph;
+
+ if(!is_Const(cnst)) {
+ return NULL;
+ }
+
+ tarval *tv = get_Const_tarval(cnst);
+ if(!tarval_is_long(tv)) {
+ return NULL;
+ }
+
+ return tv;
+}
+
+static long fold_constant(const expression_t *expression)
+{
+ tarval *tv = try_fold_constant(expression);
+ if(tv == NULL) {
+ panic("couldn't fold constantl");
+ }
+
+ return get_tarval_long(tv);
+}
+
static ir_node *conditional_to_firm(const conditional_expression_t *expression)
{
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ /* first try to fold a constant condition */
+ tarval *tv = try_fold_constant(expression->condition);
+ if(tv != NULL) {
+ long val = get_tarval_long(tv);
+ if(val) {
+ return expression_to_firm(expression->true_expression);
+ } else {
+ return expression_to_firm(expression->false_expression);
+ }
+ }
+
ir_node *cur_block = get_cur_block();
/* create the true block */
return compound_statement_to_firm((compound_statement_t*) statement);
}
+static ir_node *va_start_expression_to_firm(
+ const va_start_expression_t *const expr)
+{
+ ir_type *const method_type = get_ir_type(current_function_decl->type);
+ int const n = get_method_n_params(method_type) - 1;
+ ir_entity *const parm_ent = get_method_value_param_ent(method_type, n);
+ ir_node *const arg_base = get_irg_value_param_base(current_ir_graph);
+ dbg_info *const dbgi =
+ get_dbg_info(&expr->expression.source_position);
+ ir_node *const no_mem = new_NoMem();
+ ir_node *const arg_sel =
+ new_d_simpleSel(dbgi, no_mem, arg_base, parm_ent);
+
+ size_t const parm_size = get_type_size(expr->parameter->type);
+ ir_node *const cnst = new_Const_long(mode_Iu, parm_size);
+ ir_node *const add = new_d_Add(dbgi, arg_sel, cnst, mode_P_data);
+ set_value_for_expression(expr->ap, add);
+
+ return NULL;
+}
+
+static ir_node *va_arg_expression_to_firm(const va_arg_expression_t *const expr)
+{
+ ir_type *const irtype = get_ir_type(expr->expression.datatype);
+ ir_node *const ap = expression_to_firm(expr->ap);
+ dbg_info *const dbgi = get_dbg_info(&expr->expression.source_position);
+ ir_node *const res = deref_address(irtype, ap, dbgi);
+
+ size_t const parm_size = get_type_size(expr->expression.datatype);
+ ir_node *const cnst = new_Const_long(mode_Iu, parm_size);
+ ir_node *const add = new_d_Add(dbgi, ap, cnst, mode_P_data);
+ set_value_for_expression(expr->ap, add);
+
+ return res;
+}
+
static ir_node *dereference_addr(const unary_expression_t *const expression)
{
- assert(expression->type == UNEXPR_DEREFERENCE);
+ assert(expression->expression.type == EXPR_UNARY_DEREFERENCE);
return expression_to_firm(expression->value);
}
return select_addr(&expression->select);
case EXPR_CALL:
return call_expression_to_firm(&expression->call);
- case EXPR_UNARY: {
- const unary_expression_t *const unary_expr = &expression->unary;
- if (unary_expr->type == UNEXPR_DEREFERENCE) {
- return dereference_addr(unary_expr);
- }
- break;
+ case EXPR_UNARY_DEREFERENCE: {
+ return dereference_addr(&expression->unary);
}
default:
break;
return reference_expression_to_firm(&expression->reference);
case EXPR_CALL:
return call_expression_to_firm(&expression->call);
- case EXPR_UNARY:
+ EXPR_UNARY_CASES
return unary_expression_to_firm(&expression->unary);
- case EXPR_BINARY:
+ EXPR_BINARY_CASES
return binary_expression_to_firm(&expression->binary);
case EXPR_ARRAY_ACCESS:
return array_access_to_firm(&expression->array_access);
return function_name_to_firm(&expression->string);
case EXPR_STATEMENT:
return statement_expression_to_firm(&expression->statement);
- case EXPR_OFFSETOF:
+ case EXPR_VA_START:
+ return va_start_expression_to_firm(&expression->va_starte);
case EXPR_VA_ARG:
+ return va_arg_expression_to_firm(&expression->va_arge);
+ case EXPR_OFFSETOF:
case EXPR_BUILTIN_SYMBOL:
panic("unimplemented expression found");
ir_node *false_block)
{
switch(expression->type) {
- case EXPR_UNARY: {
- unary_expression_t *unary_expression = (unary_expression_t*) expression;
- if(unary_expression->type == UNEXPR_NOT) {
- create_condition_evaluation(unary_expression->value, false_block,
- true_block);
- return;
- }
- break;
+ case EXPR_UNARY_NOT: {
+ const unary_expression_t *unary_expression = &expression->unary;
+ create_condition_evaluation(unary_expression->value, false_block,
+ true_block);
+ return;
}
- case EXPR_BINARY: {
- binary_expression_t *binary_expression
- = (binary_expression_t*) expression;
- if(binary_expression->type == BINEXPR_LOGICAL_AND) {
- ir_node *cur_block = get_cur_block();
- ir_node *extra_block = new_immBlock();
- set_cur_block(cur_block);
- create_condition_evaluation(binary_expression->left, extra_block,
- false_block);
- mature_immBlock(extra_block);
- set_cur_block(extra_block);
- create_condition_evaluation(binary_expression->right, true_block,
- false_block);
- return;
- }
- if(binary_expression->type == BINEXPR_LOGICAL_OR) {
- ir_node *cur_block = get_cur_block();
- ir_node *extra_block = new_immBlock();
- set_cur_block(cur_block);
- create_condition_evaluation(binary_expression->left, true_block,
- extra_block);
- mature_immBlock(extra_block);
- set_cur_block(extra_block);
- create_condition_evaluation(binary_expression->right, true_block,
- false_block);
- return;
- }
- break;
+ case EXPR_BINARY_LOGICAL_AND: {
+ const binary_expression_t *binary_expression = &expression->binary;
+
+ ir_node *cur_block = get_cur_block();
+ ir_node *extra_block = new_immBlock();
+ set_cur_block(cur_block);
+ create_condition_evaluation(binary_expression->left, extra_block,
+ false_block);
+ mature_immBlock(extra_block);
+ set_cur_block(extra_block);
+ create_condition_evaluation(binary_expression->right, true_block,
+ false_block);
+ return;
+ }
+ case EXPR_BINARY_LOGICAL_OR: {
+ const binary_expression_t *binary_expression = &expression->binary;
+
+ ir_node *cur_block = get_cur_block();
+ ir_node *extra_block = new_immBlock();
+ set_cur_block(cur_block);
+ create_condition_evaluation(binary_expression->left, true_block,
+ extra_block);
+ mature_immBlock(extra_block);
+ set_cur_block(extra_block);
+ create_condition_evaluation(binary_expression->right, true_block,
+ false_block);
+ return;
}
default:
break;
set_cur_block(NULL);
}
-static void return_statement_to_firm(return_statement_t *statement)
+
+
+static void create_declaration_entity(declaration_t *declaration,
+ declaration_type_t declaration_type,
+ ir_type *parent_type)
{
- if(get_cur_block() == NULL)
- return;
+ ident *id = new_id_from_str(declaration->symbol->string);
+ ir_type *irtype = get_ir_type(declaration->type);
+ ir_entity *entity = new_entity(parent_type, id, irtype);
+ set_entity_ld_ident(entity, id);
- ir_type *func_irtype = get_ir_type(current_function_decl->type);
+ declaration->declaration_type = (unsigned char) declaration_type;
+ declaration->v.entity = entity;
+ set_entity_variability(entity, variability_uninitialized);
+ if(parent_type == get_tls_type())
+ set_entity_allocation(entity, allocation_automatic);
+ else if(declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE)
+ set_entity_allocation(entity, allocation_static);
+ /* TODO: visibility? */
+}
- dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
+typedef struct compound_graph_path_entry_t compound_graph_path_entry_t;
- ir_node *in[1];
- int in_len;
- if(get_method_n_ress(func_irtype) > 0) {
- ir_type *res_type = get_method_res_type(func_irtype, 0);
+enum compound_graph_entry_type_t {
+ COMPOUND_GRAPH_ENTRY_ARRAY,
+ COMPOUND_GRAPH_ENTRY_COMPOUND
+};
- if(statement->return_value != NULL) {
- ir_node *node = expression_to_firm(statement->return_value);
- node = do_strict_conv(dbgi, node);
- in[0] = node;
+struct compound_graph_path_entry_t {
+ int type;
+ union {
+ ir_entity *entity;
+ int array_index;
+ } v;
+ compound_graph_path_entry_t *prev;
+};
+
+static void create_initializer_object(initializer_t *initializer, type_t *type,
+ ir_entity *entity, compound_graph_path_entry_t *entry, int len);
+
+static compound_graph_path *create_compound_path(ir_type *type,
+ compound_graph_path_entry_t *entry, int len)
+{
+ compound_graph_path *path = new_compound_graph_path(type, len);
+
+ int i = len - 1;
+ for( ; entry != NULL; entry = entry->prev, --i) {
+ assert(i >= 0);
+ if(entry->type == COMPOUND_GRAPH_ENTRY_COMPOUND) {
+ set_compound_graph_path_node(path, i, entry->v.entity);
} else {
- ir_mode *mode;
- if(is_compound_type(res_type)) {
- mode = mode_P_data;
- } else {
- mode = get_type_mode(res_type);
- }
- in[0] = new_Unknown(mode);
- }
- in_len = 1;
- } else {
- /* build return_value for its side effects */
- if(statement->return_value != NULL) {
- expression_to_firm(statement->return_value);
+ assert(entry->type == COMPOUND_GRAPH_ENTRY_ARRAY);
+ set_compound_graph_path_array_index(path, i, entry->v.array_index);
}
- in_len = 0;
}
+ assert(i == -1);
- ir_node *store = get_store();
- ir_node *ret = new_d_Return(dbgi, store, in_len, in);
-
- ir_node *end_block = get_irg_end_block(current_ir_graph);
- add_immBlock_pred(end_block, ret);
-
- set_cur_block(NULL);
+ return path;
}
-static ir_node *expression_statement_to_firm(expression_statement_t *statement)
+static void create_initializer_value(initializer_value_t *initializer,
+ ir_entity *entity,
+ compound_graph_path_entry_t *entry,
+ int len)
{
- if(get_cur_block() == NULL)
- return NULL;
-
- return expression_to_firm(statement->expression);
+ ir_node *node = expression_to_firm(initializer->value);
+ ir_type *type = get_entity_type(entity);
+ compound_graph_path *path = create_compound_path(type, entry, len);
+ add_compound_ent_value_w_path(entity, node, path);
}
-static ir_node *compound_statement_to_firm(compound_statement_t *compound)
+static void create_initializer_compound(initializer_list_t *initializer,
+ compound_type_t *type,
+ ir_entity *entity,
+ compound_graph_path_entry_t *last_entry,
+ int len)
{
- ir_node *result = NULL;
- statement_t *statement = compound->statements;
- for( ; statement != NULL; statement = statement->base.next) {
- //context2firm(&statement->context);
+ declaration_t *compound_declaration = type->declaration;
- if(statement->base.next == NULL
- && statement->type == STATEMENT_EXPRESSION) {
- result = expression_statement_to_firm(
- (expression_statement_t*) statement);
- break;
- }
- statement_to_firm(statement);
- }
+ declaration_t *compound_entry = compound_declaration->context.declarations;
- return result;
-}
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_COMPOUND;
+ entry.prev = last_entry;
+ ++len;
-static void if_statement_to_firm(if_statement_t *statement)
-{
- ir_node *cur_block = get_cur_block();
+ size_t i = 0;
+ for( ; compound_entry != NULL; compound_entry = compound_entry->next) {
+ if(compound_entry->symbol == NULL)
+ continue;
+ if(compound_entry->namespc != NAMESPACE_NORMAL)
+ continue;
- ir_node *fallthrough_block = new_immBlock();
+ if(i >= initializer->len)
+ break;
- /* the true (blocks) */
- ir_node *true_block;
- if (statement->true_statement != NULL) {
- true_block = new_immBlock();
- statement_to_firm(statement->true_statement);
- if(get_cur_block() != NULL) {
- ir_node *jmp = new_Jmp();
- add_immBlock_pred(fallthrough_block, jmp);
- }
- } else {
- true_block = fallthrough_block;
- }
+ entry.v.entity = compound_entry->v.entity;
- /* the false (blocks) */
- ir_node *false_block;
- if(statement->false_statement != NULL) {
- false_block = new_immBlock();
+ initializer_t *sub_initializer = initializer->initializers[i];
- statement_to_firm(statement->false_statement);
- if(get_cur_block() != NULL) {
- ir_node *jmp = new_Jmp();
- add_immBlock_pred(fallthrough_block, jmp);
- }
- } else {
- false_block = fallthrough_block;
- }
+ assert(compound_entry != NULL);
+ assert(compound_entry->declaration_type
+ == DECLARATION_TYPE_COMPOUND_MEMBER);
- /* create the condition */
- if(cur_block != NULL) {
- set_cur_block(cur_block);
- create_condition_evaluation(statement->condition, true_block,
- false_block);
- }
+ if(sub_initializer->type == INITIALIZER_VALUE) {
+ create_initializer_value(&sub_initializer->value,
+ entity, &entry, len);
+ } else {
+ type_t *entry_type = skip_typeref(compound_entry->type);
+ create_initializer_object(sub_initializer, entry_type, entity,
+ &entry, len);
+ }
- mature_immBlock(true_block);
- if(false_block != fallthrough_block) {
- mature_immBlock(false_block);
+ ++i;
}
- mature_immBlock(fallthrough_block);
-
- set_cur_block(fallthrough_block);
}
-static void while_statement_to_firm(while_statement_t *statement)
+static void create_initializer_array(initializer_list_t *initializer,
+ array_type_t *type, ir_entity *entity,
+ compound_graph_path_entry_t *last_entry,
+ int len)
{
- ir_node *jmp = NULL;
- if(get_cur_block() != NULL) {
- jmp = new_Jmp();
- }
-
- /* create the header block */
- ir_node *header_block = new_immBlock();
- if(jmp != NULL) {
- add_immBlock_pred(header_block, jmp);
- }
-
- /* the false block */
- ir_node *false_block = new_immBlock();
+ type_t *element_type = type->element_type;
+ element_type = skip_typeref(element_type);
- /* the loop body */
- ir_node *body_block;
- if (statement->body != NULL) {
- ir_node *old_continue_label = continue_label;
- ir_node *old_break_label = break_label;
- continue_label = header_block;
- break_label = false_block;
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
+ entry.prev = last_entry;
+ ++len;
- body_block = new_immBlock();
- statement_to_firm(statement->body);
+ size_t i;
+ for(i = 0; i < initializer->len; ++i) {
+ entry.v.array_index = i;
- assert(continue_label == header_block);
- assert(break_label == false_block);
- continue_label = old_continue_label;
- break_label = old_break_label;
+ initializer_t *sub_initializer = initializer->initializers[i];
- if(get_cur_block() != NULL) {
- jmp = new_Jmp();
- add_immBlock_pred(header_block, jmp);
+ if(sub_initializer->type == INITIALIZER_VALUE) {
+ create_initializer_value(&sub_initializer->value,
+ entity, &entry, len);
+ } else {
+ create_initializer_object(sub_initializer, element_type, entity,
+ &entry, len);
}
- } else {
- body_block = header_block;
}
- /* create the condition */
- set_cur_block(header_block);
-
- create_condition_evaluation(statement->condition, body_block, false_block);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- mature_immBlock(header_block);
+#if 0
+ /* TODO: initialize rest... */
+ if(type->size_expression != NULL) {
+ size_t array_len = fold_constant(type->size_expression);
+ for( ; i < array_len; ++i) {
- set_cur_block(false_block);
+ }
+ }
+#endif
}
-static void do_while_statement_to_firm(do_while_statement_t *statement)
+static void create_initializer_string(initializer_string_t *initializer,
+ array_type_t *type, ir_entity *entity,
+ compound_graph_path_entry_t *last_entry,
+ int len)
{
- ir_node *jmp = NULL;
- if(get_cur_block() != NULL) {
- jmp = new_Jmp();
- }
+ type_t *element_type = type->element_type;
+ element_type = skip_typeref(element_type);
- /* create the header block */
- ir_node *header_block = new_immBlock();
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
+ entry.prev = last_entry;
+ ++len;
- /* the false block */
- ir_node *false_block = new_immBlock();
+ ir_type *irtype = get_entity_type(entity);
+ size_t arr_len = get_array_type_size(type);
+ const char *p = initializer->string;
+ size_t i = 0;
+ for(i = 0; i < arr_len; ++i, ++p) {
+ entry.v.array_index = i;
- /* the loop body */
- ir_node *body_block = new_immBlock();
- if(jmp != NULL) {
- add_immBlock_pred(body_block, jmp);
+ ir_node *node = new_Const_long(mode_Bs, *p);
+ compound_graph_path *path = create_compound_path(irtype, &entry, len);
+ add_compound_ent_value_w_path(entity, node, path);
+
+ if(*p == '\0')
+ break;
}
+}
- if (statement->body != NULL) {
- ir_node *old_continue_label = continue_label;
- ir_node *old_break_label = break_label;
- continue_label = header_block;
- break_label = false_block;
+static void create_initializer_wide_string(
+ const initializer_wide_string_t *const initializer, array_type_t *const type,
+ ir_entity *const entity, compound_graph_path_entry_t *const last_entry,
+ int len)
+{
+ type_t *element_type = type->element_type;
+ element_type = skip_typeref(element_type);
- statement_to_firm(statement->body);
+ compound_graph_path_entry_t entry;
+ entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
+ entry.prev = last_entry;
+ ++len;
- assert(continue_label == header_block);
- assert(break_label == false_block);
- continue_label = old_continue_label;
- break_label = old_break_label;
+ ir_type *const irtype = get_entity_type(entity);
+ const size_t arr_len = get_array_type_size(type);
+ const wchar_rep_t * p = initializer->string.begin;
+ const wchar_rep_t *const end = p + initializer->string.size;
+ for (size_t i = 0; i < arr_len && p != end; ++i, ++p) {
+ entry.v.array_index = i;
- if (get_cur_block() == NULL) {
- mature_immBlock(header_block);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- return;
- }
+ ir_node *node = new_Const_long(mode_Is, *p);
+ compound_graph_path *path = create_compound_path(irtype, &entry, len);
+ add_compound_ent_value_w_path(entity, node, path);
}
+}
- ir_node *body_jmp = new_Jmp();
- add_immBlock_pred(header_block, body_jmp);
- mature_immBlock(header_block);
+static void create_initializer_object(initializer_t *initializer, type_t *type,
+ ir_entity *entity, compound_graph_path_entry_t *entry, int len)
+{
+ if(is_type_array(type)) {
+ array_type_t *array_type = &type->array;
- /* create the condition */
- set_cur_block(header_block);
+ switch (initializer->type) {
+ case INITIALIZER_STRING: {
+ initializer_string_t *const string = &initializer->string;
+ create_initializer_string(string, array_type, entity, entry, len);
+ return;
+ }
- create_condition_evaluation(statement->condition, body_block, false_block);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- mature_immBlock(header_block);
+ case INITIALIZER_WIDE_STRING: {
+ initializer_wide_string_t *const string = &initializer->wide_string;
+ create_initializer_wide_string(string, array_type, entity, entry, len);
+ return;
+ }
- set_cur_block(false_block);
-}
+ case INITIALIZER_LIST: {
+ initializer_list_t *const list = &initializer->list;
+ create_initializer_array(list, array_type, entity, entry, len);
+ return;
+ }
-static void for_statement_to_firm(for_statement_t *statement)
-{
- ir_node *jmp = NULL;
- if (get_cur_block() != NULL) {
- if(statement->initialisation != NULL) {
- expression_to_firm(statement->initialisation);
+ case INITIALIZER_VALUE:
+ break;
}
- jmp = new_Jmp();
- }
+ panic("Unhandled initializer");
+ } else {
+ assert(initializer->type == INITIALIZER_LIST);
+ initializer_list_t *list = &initializer->list;
- /* create the step block */
- ir_node *const step_block = new_immBlock();
- if (statement->step != NULL) {
- expression_to_firm(statement->step);
+ assert(is_type_compound(type));
+ compound_type_t *compound_type = &type->compound;
+ create_initializer_compound(list, compound_type, entity, entry, len);
}
- ir_node *const step_jmp = new_Jmp();
+}
- /* create the header block */
- ir_node *const header_block = new_immBlock();
- if (jmp != NULL) {
- add_immBlock_pred(header_block, jmp);
- }
- add_immBlock_pred(header_block, step_jmp);
+static void create_initializer_local_variable_entity(declaration_t *declaration)
+{
+ initializer_t *initializer = declaration->init.initializer;
+ dbg_info *dbgi = get_dbg_info(&declaration->source_position);
+ ir_entity *entity = declaration->v.entity;
+ ir_node *memory = get_store();
+ ir_node *nomem = new_NoMem();
+ ir_node *frame = get_irg_frame(current_ir_graph);
+ ir_node *addr = new_d_simpleSel(dbgi, nomem, frame, entity);
- /* the false block */
- ir_node *const false_block = new_immBlock();
+ if(initializer->type == INITIALIZER_VALUE) {
+ initializer_value_t *initializer_value = &initializer->value;
- /* the loop body */
- ir_node * body_block;
- if (statement->body != NULL) {
- ir_node *const old_continue_label = continue_label;
- ir_node *const old_break_label = break_label;
- continue_label = step_block;
- break_label = false_block;
+ ir_node *value = expression_to_firm(initializer_value->value);
+ type_t *type = skip_typeref(declaration->type);
+ assign_value(dbgi, addr, type, value);
+ return;
+ }
- body_block = new_immBlock();
- statement_to_firm(statement->body);
+ /* create a "template" entity which is copied to the entity on the stack */
+ ident *id = unique_ident("initializer");
+ ir_type *irtype = get_ir_type(declaration->type);
+ ir_type *global_type = get_glob_type();
+ ir_entity *init_entity = new_entity(global_type, id, irtype);
+ set_entity_ld_ident(init_entity, id);
- assert(continue_label == step_block);
- assert(break_label == false_block);
- continue_label = old_continue_label;
- break_label = old_break_label;
+ set_entity_variability(init_entity, variability_initialized);
+ set_entity_visibility(init_entity, visibility_local);
+ set_entity_allocation(init_entity, allocation_static);
- if (get_cur_block() != NULL) {
- jmp = new_Jmp();
- add_immBlock_pred(step_block, jmp);
- }
- } else {
- body_block = step_block;
- }
+ ir_graph *old_current_ir_graph = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
- /* create the condition */
- set_cur_block(header_block);
- if (statement->condition != NULL) {
- create_condition_evaluation(statement->condition, body_block,
- false_block);
- } else {
- keep_alive(header_block);
- jmp = new_Jmp();
- add_immBlock_pred(body_block, jmp);
- }
+ type_t *type = skip_typeref(declaration->type);
+ create_initializer_object(initializer, type, init_entity, NULL, 0);
- mature_immBlock(body_block);
- mature_immBlock(false_block);
- mature_immBlock(step_block);
- mature_immBlock(header_block);
- mature_immBlock(false_block);
+ assert(current_ir_graph == get_const_code_irg());
+ current_ir_graph = old_current_ir_graph;
- set_cur_block(false_block);
+ ir_node *src_addr = create_symconst(dbgi, init_entity);
+ ir_node *copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
+
+ ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ set_store(copyb_mem);
}
-static void create_declaration_entity(declaration_t *declaration,
- declaration_type_t declaration_type,
- ir_type *parent_type)
+static void create_initializer(declaration_t *declaration)
{
- ident *id = new_id_from_str(declaration->symbol->string);
- ir_type *irtype = get_ir_type(declaration->type);
- ir_entity *entity = new_entity(parent_type, id, irtype);
- set_entity_ld_ident(entity, id);
+ initializer_t *initializer = declaration->init.initializer;
+ if(initializer == NULL)
+ return;
- declaration->declaration_type = (unsigned char) declaration_type;
- declaration->v.entity = entity;
- set_entity_variability(entity, variability_uninitialized);
- /* TODO: visibility? */
-}
+ declaration_type_t declaration_type
+ = (declaration_type_t) declaration->declaration_type;
+ if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY) {
+ create_initializer_local_variable_entity(declaration);
+ return;
+ }
-typedef struct compound_graph_path_entry_t compound_graph_path_entry_t;
+ if(initializer->type == INITIALIZER_VALUE) {
+ initializer_value_t *initializer_value = &initializer->value;
-enum compound_graph_entry_type_t {
- COMPOUND_GRAPH_ENTRY_ARRAY,
- COMPOUND_GRAPH_ENTRY_COMPOUND
-};
+ ir_node *value = expression_to_firm(initializer_value->value);
-struct compound_graph_path_entry_t {
- int type;
- union {
- ir_entity *entity;
- int array_index;
- } v;
- compound_graph_path_entry_t *prev;
-};
+ if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE) {
+ set_value(declaration->v.value_number, value);
+ } else {
+ assert(declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
-static void create_initializer_object(initializer_t *initializer, type_t *type,
- ir_entity *entity, compound_graph_path_entry_t *entry, int len);
+ ir_entity *entity = declaration->v.entity;
-static compound_graph_path *create_compound_path(ir_type *type,
- compound_graph_path_entry_t *entry, int len)
+ set_entity_variability(entity, variability_initialized);
+ set_atomic_ent_value(entity, value);
+ }
+ } else {
+ assert(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY
+ || declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+
+ ir_entity *entity = declaration->v.entity;
+ set_entity_variability(entity, variability_initialized);
+
+ type_t *type = skip_typeref(declaration->type);
+ create_initializer_object(initializer, type, entity, NULL, 0);
+ }
+}
+
+static void create_local_variable(declaration_t *declaration)
{
- compound_graph_path *path = new_compound_graph_path(type, len);
+ assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
- int i = len - 1;
- for( ; entry != NULL; entry = entry->prev, --i) {
- assert(i >= 0);
- if(entry->type == COMPOUND_GRAPH_ENTRY_COMPOUND) {
- set_compound_graph_path_node(path, i, entry->v.entity);
- } else {
- assert(entry->type == COMPOUND_GRAPH_ENTRY_ARRAY);
- set_compound_graph_path_array_index(path, i, entry->v.array_index);
- }
+ bool needs_entity = declaration->address_taken;
+ type_t *type = skip_typeref(declaration->type);
+
+ if(is_type_array(type) || is_type_compound(type)) {
+ needs_entity = true;
}
- assert(i == -1);
- return path;
+ if(needs_entity) {
+ ir_type *frame_type = get_irg_frame_type(current_ir_graph);
+ create_declaration_entity(declaration,
+ DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY,
+ frame_type);
+ } else {
+ declaration->declaration_type = DECLARATION_TYPE_LOCAL_VARIABLE;
+ declaration->v.value_number = next_value_number_function;
+ ++next_value_number_function;
+ }
+
+ create_initializer(declaration);
}
-static void create_initializer_value(initializer_value_t *initializer,
- ir_entity *entity,
- compound_graph_path_entry_t *entry,
- int len)
+static void create_local_static_variable(declaration_t *declaration)
{
- ir_node *node = expression_to_firm(initializer->value);
- ir_type *type = get_entity_type(entity);
- compound_graph_path *path = create_compound_path(type, entry, len);
- add_compound_ent_value_w_path(entity, node, path);
-}
+ assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
+
+ type_t *type = skip_typeref(declaration->type);
+ ir_type *global_type = get_glob_type();
+ ident *id = unique_ident(declaration->symbol->string);
+ ir_type *irtype = get_ir_type(type);
+ ir_entity *entity = new_entity(global_type, id, irtype);
+ set_entity_ld_ident(entity, id);
+
+ declaration->declaration_type = DECLARATION_TYPE_GLOBAL_VARIABLE;
+ declaration->v.entity = entity;
+ set_entity_variability(entity, variability_uninitialized);
+ set_entity_visibility(entity, visibility_local);
+ set_entity_allocation(entity, allocation_static);
-static void create_initializer_compound(initializer_list_t *initializer,
- compound_type_t *type,
- ir_entity *entity,
- compound_graph_path_entry_t *last_entry,
- int len)
-{
- declaration_t *compound_declaration = type->declaration;
+ ir_graph *old_current_ir_graph = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
- declaration_t *compound_entry = compound_declaration->context.declarations;
+ create_initializer(declaration);
- compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_COMPOUND;
- entry.prev = last_entry;
- ++len;
+ assert(current_ir_graph == get_const_code_irg());
+ current_ir_graph = old_current_ir_graph;
+}
- size_t i = 0;
- for( ; compound_entry != NULL; compound_entry = compound_entry->next) {
- if(compound_entry->symbol == NULL)
- continue;
- if(compound_entry->namespc != NAMESPACE_NORMAL)
- continue;
- if(i >= initializer->len)
- break;
- entry.v.entity = compound_entry->v.entity;
+static void return_statement_to_firm(return_statement_t *statement)
+{
+ if(get_cur_block() == NULL)
+ return;
- initializer_t *sub_initializer = initializer->initializers[i];
+ ir_type *func_irtype = get_ir_type(current_function_decl->type);
- assert(compound_entry != NULL);
- assert(compound_entry->declaration_type
- == DECLARATION_TYPE_COMPOUND_MEMBER);
+ dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
- if(sub_initializer->type == INITIALIZER_VALUE) {
- create_initializer_value(&sub_initializer->value,
- entity, &entry, len);
+ ir_node *in[1];
+ int in_len;
+ if(get_method_n_ress(func_irtype) > 0) {
+ ir_type *res_type = get_method_res_type(func_irtype, 0);
+
+ if(statement->return_value != NULL) {
+ ir_node *node = expression_to_firm(statement->return_value);
+ node = do_strict_conv(dbgi, node);
+ in[0] = node;
} else {
- type_t *entry_type = skip_typeref(compound_entry->type);
- create_initializer_object(sub_initializer, entry_type, entity,
- &entry, len);
+ ir_mode *mode;
+ if(is_compound_type(res_type)) {
+ mode = mode_P_data;
+ } else {
+ mode = get_type_mode(res_type);
+ }
+ in[0] = new_Unknown(mode);
}
-
- ++i;
+ in_len = 1;
+ } else {
+ /* build return_value for its side effects */
+ if(statement->return_value != NULL) {
+ expression_to_firm(statement->return_value);
+ }
+ in_len = 0;
}
+
+ ir_node *store = get_store();
+ ir_node *ret = new_d_Return(dbgi, store, in_len, in);
+
+ ir_node *end_block = get_irg_end_block(current_ir_graph);
+ add_immBlock_pred(end_block, ret);
+
+ set_cur_block(NULL);
}
-static void create_initializer_array(initializer_list_t *initializer,
- array_type_t *type, ir_entity *entity,
- compound_graph_path_entry_t *last_entry,
- int len)
+static ir_node *expression_statement_to_firm(expression_statement_t *statement)
{
- type_t *element_type = type->element_type;
- element_type = skip_typeref(element_type);
-
- compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
- entry.prev = last_entry;
- ++len;
+ if(get_cur_block() == NULL)
+ return NULL;
- size_t i;
- for(i = 0; i < initializer->len; ++i) {
- entry.v.array_index = i;
+ return expression_to_firm(statement->expression);
+}
- initializer_t *sub_initializer = initializer->initializers[i];
+static ir_node *compound_statement_to_firm(compound_statement_t *compound)
+{
+ ir_node *result = NULL;
+ statement_t *statement = compound->statements;
+ for( ; statement != NULL; statement = statement->base.next) {
+ //context2firm(&statement->context);
- if(sub_initializer->type == INITIALIZER_VALUE) {
- create_initializer_value(&sub_initializer->value,
- entity, &entry, len);
- } else {
- create_initializer_object(sub_initializer, element_type, entity,
- &entry, len);
+ if(statement->base.next == NULL
+ && statement->type == STATEMENT_EXPRESSION) {
+ result = expression_statement_to_firm(
+ (expression_statement_t*) statement);
+ break;
}
+ statement_to_firm(statement);
}
-#if 0
- /* TODO: initialize rest... */
- if(type->size_expression != NULL) {
- size_t array_len = fold_constant(type->size_expression);
- for( ; i < array_len; ++i) {
+ return result;
+}
+static void create_local_declaration(declaration_t *declaration)
+{
+ type_t *type = skip_typeref(declaration->type);
+
+ switch ((storage_class_tag_t) declaration->storage_class) {
+ case STORAGE_CLASS_STATIC:
+ create_local_static_variable(declaration);
+ return;
+ case STORAGE_CLASS_ENUM_ENTRY:
+ panic("enum entry declaration in local block found");
+ case STORAGE_CLASS_EXTERN:
+ panic("extern declaration in local block found");
+ case STORAGE_CLASS_NONE:
+ case STORAGE_CLASS_AUTO:
+ case STORAGE_CLASS_REGISTER:
+ if(is_type_function(type)) {
+ panic("nested functions not supported yet");
+ } else {
+ create_local_variable(declaration);
}
+ return;
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_THREAD:
+ case STORAGE_CLASS_THREAD_EXTERN:
+ case STORAGE_CLASS_THREAD_STATIC:
+ return;
}
-#endif
+ panic("invalid storage class found");
}
-static void create_initializer_string(initializer_string_t *initializer,
- array_type_t *type, ir_entity *entity,
- compound_graph_path_entry_t *last_entry,
- int len)
+static void declaration_statement_to_firm(declaration_statement_t *statement)
{
- type_t *element_type = type->element_type;
- element_type = skip_typeref(element_type);
-
- compound_graph_path_entry_t entry;
- entry.type = COMPOUND_GRAPH_ENTRY_ARRAY;
- entry.prev = last_entry;
- ++len;
+ declaration_t *declaration = statement->declarations_begin;
+ declaration_t *end = statement->declarations_end->next;
+ for( ; declaration != end; declaration = declaration->next) {
+ create_local_variable(declaration);
+ }
+}
- ir_type *irtype = get_entity_type(entity);
- size_t arr_len = get_array_type_size(type);
- const char *p = initializer->string;
- size_t i = 0;
- for(i = 0; i < arr_len; ++i, ++p) {
- entry.v.array_index = i;
+static void if_statement_to_firm(if_statement_t *statement)
+{
+ ir_node *cur_block = get_cur_block();
- ir_node *node = new_Const_long(mode_Bs, *p);
- compound_graph_path *path = create_compound_path(irtype, &entry, len);
- add_compound_ent_value_w_path(entity, node, path);
+ ir_node *fallthrough_block = new_immBlock();
- if(*p == '\0')
- break;
+ /* the true (blocks) */
+ ir_node *true_block;
+ if (statement->true_statement != NULL) {
+ true_block = new_immBlock();
+ statement_to_firm(statement->true_statement);
+ if(get_cur_block() != NULL) {
+ ir_node *jmp = new_Jmp();
+ add_immBlock_pred(fallthrough_block, jmp);
+ }
+ } else {
+ true_block = fallthrough_block;
}
-}
-static void create_initializer_object(initializer_t *initializer, type_t *type,
- ir_entity *entity, compound_graph_path_entry_t *entry, int len)
-{
- if(is_type_array(type)) {
- array_type_t *array_type = &type->array;
+ /* the false (blocks) */
+ ir_node *false_block;
+ if(statement->false_statement != NULL) {
+ false_block = new_immBlock();
- if(initializer->type == INITIALIZER_STRING) {
- initializer_string_t *string = &initializer->string;
- create_initializer_string(string, array_type, entity, entry, len);
- } else {
- assert(initializer->type == INITIALIZER_LIST);
- initializer_list_t *list = &initializer->list;
- create_initializer_array(list, array_type, entity, entry, len);
+ statement_to_firm(statement->false_statement);
+ if(get_cur_block() != NULL) {
+ ir_node *jmp = new_Jmp();
+ add_immBlock_pred(fallthrough_block, jmp);
}
} else {
- assert(initializer->type == INITIALIZER_LIST);
- initializer_list_t *list = &initializer->list;
+ false_block = fallthrough_block;
+ }
- assert(is_type_compound(type));
- compound_type_t *compound_type = &type->compound;
- create_initializer_compound(list, compound_type, entity, entry, len);
+ /* create the condition */
+ if(cur_block != NULL) {
+ set_cur_block(cur_block);
+ create_condition_evaluation(statement->condition, true_block,
+ false_block);
+ }
+
+ mature_immBlock(true_block);
+ if(false_block != fallthrough_block) {
+ mature_immBlock(false_block);
}
+ mature_immBlock(fallthrough_block);
+
+ set_cur_block(fallthrough_block);
}
-static void create_initializer_local_variable_entity(declaration_t *declaration)
+static void while_statement_to_firm(while_statement_t *statement)
{
- initializer_t *initializer = declaration->init.initializer;
- dbg_info *dbgi = get_dbg_info(&declaration->source_position);
- ir_entity *entity = declaration->v.entity;
- ir_node *memory = get_store();
- ir_node *nomem = new_NoMem();
- ir_node *frame = get_irg_frame(current_ir_graph);
- ir_node *addr = new_d_simpleSel(dbgi, nomem, frame, entity);
-
- if(is_atomic_entity(entity)) {
- assert(initializer->type == INITIALIZER_VALUE);
- initializer_value_t *initializer_value = &initializer->value;
+ ir_node *jmp = NULL;
+ if(get_cur_block() != NULL) {
+ jmp = new_Jmp();
+ }
- ir_node *value = expression_to_firm(initializer_value->value);
- ir_node *store = new_d_Store(dbgi, memory, addr, value);
- ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
- set_store(store_mem);
- return;
+ /* create the header block */
+ ir_node *header_block = new_immBlock();
+ if(jmp != NULL) {
+ add_immBlock_pred(header_block, jmp);
}
- /* create a "template" entity which is copied to the entity on the stack */
- ident *id = unique_ident("initializer");
- ir_type *irtype = get_ir_type(declaration->type);
- ir_type *global_type = get_glob_type();
- ir_entity *init_entity = new_entity(global_type, id, irtype);
- set_entity_ld_ident(init_entity, id);
+ /* the false block */
+ ir_node *false_block = new_immBlock();
- set_entity_variability(init_entity, variability_initialized);
- set_entity_visibility(init_entity, visibility_local);
+ /* the loop body */
+ ir_node *body_block;
+ if (statement->body != NULL) {
+ ir_node *old_continue_label = continue_label;
+ ir_node *old_break_label = break_label;
+ continue_label = header_block;
+ break_label = false_block;
- ir_graph *old_current_ir_graph = current_ir_graph;
- current_ir_graph = get_const_code_irg();
+ body_block = new_immBlock();
+ statement_to_firm(statement->body);
+
+ assert(continue_label == header_block);
+ assert(break_label == false_block);
+ continue_label = old_continue_label;
+ break_label = old_break_label;
- type_t *type = skip_typeref(declaration->type);
- create_initializer_object(initializer, type, init_entity, NULL, 0);
+ if(get_cur_block() != NULL) {
+ jmp = new_Jmp();
+ add_immBlock_pred(header_block, jmp);
+ }
+ } else {
+ body_block = header_block;
+ }
- assert(current_ir_graph == get_const_code_irg());
- current_ir_graph = old_current_ir_graph;
+ /* create the condition */
+ set_cur_block(header_block);
- ir_node *src_addr = create_symconst(dbgi, init_entity);
- ir_node *copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
+ create_condition_evaluation(statement->condition, body_block, false_block);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ mature_immBlock(header_block);
- ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
- set_store(copyb_mem);
+ set_cur_block(false_block);
}
-static void create_initializer(declaration_t *declaration)
+static void do_while_statement_to_firm(do_while_statement_t *statement)
{
- initializer_t *initializer = declaration->init.initializer;
- if(initializer == NULL)
- return;
-
- declaration_type_t declaration_type
- = (declaration_type_t) declaration->declaration_type;
- if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY) {
- create_initializer_local_variable_entity(declaration);
- return;
+ ir_node *jmp = NULL;
+ if(get_cur_block() != NULL) {
+ jmp = new_Jmp();
}
- if(initializer->type == INITIALIZER_VALUE) {
- initializer_value_t *initializer_value = &initializer->value;
+ /* create the header block */
+ ir_node *header_block = new_immBlock();
- ir_node *value = expression_to_firm(initializer_value->value);
+ /* the false block */
+ ir_node *false_block = new_immBlock();
- if(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE) {
- set_value(declaration->v.value_number, value);
- } else {
- assert(declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+ /* the loop body */
+ ir_node *body_block = new_immBlock();
+ if(jmp != NULL) {
+ add_immBlock_pred(body_block, jmp);
+ }
- ir_entity *entity = declaration->v.entity;
+ if (statement->body != NULL) {
+ ir_node *old_continue_label = continue_label;
+ ir_node *old_break_label = break_label;
+ continue_label = header_block;
+ break_label = false_block;
- set_entity_variability(entity, variability_initialized);
- set_atomic_ent_value(entity, value);
- }
- } else {
- assert(declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY
- || declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+ statement_to_firm(statement->body);
- ir_entity *entity = declaration->v.entity;
- set_entity_variability(entity, variability_initialized);
+ assert(continue_label == header_block);
+ assert(break_label == false_block);
+ continue_label = old_continue_label;
+ break_label = old_break_label;
- type_t *type = skip_typeref(declaration->type);
- create_initializer_object(initializer, type, entity, NULL, 0);
+ if (get_cur_block() == NULL) {
+ mature_immBlock(header_block);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ return;
+ }
}
+
+ ir_node *body_jmp = new_Jmp();
+ add_immBlock_pred(header_block, body_jmp);
+ mature_immBlock(header_block);
+
+ /* create the condition */
+ set_cur_block(header_block);
+
+ create_condition_evaluation(statement->condition, body_block, false_block);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ mature_immBlock(header_block);
+
+ set_cur_block(false_block);
}
-static void create_local_variable(declaration_t *declaration)
+static void for_statement_to_firm(for_statement_t *statement)
{
- assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
+ ir_node *jmp = NULL;
+ if (get_cur_block() != NULL) {
+ if(statement->initialisation != NULL) {
+ expression_to_firm(statement->initialisation);
+ }
- bool needs_entity = declaration->address_taken;
- type_t *type = skip_typeref(declaration->type);
+ /* create declarations */
+ declaration_t *declaration = statement->context.declarations;
+ for( ; declaration != NULL; declaration = declaration->next) {
+ create_local_declaration(declaration);
+ }
- if(is_type_array(type) || is_type_compound(type)) {
- needs_entity = true;
+ jmp = new_Jmp();
}
- if(needs_entity) {
- ir_type *frame_type = get_irg_frame_type(current_ir_graph);
- create_declaration_entity(declaration,
- DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY,
- frame_type);
- } else {
- declaration->declaration_type = DECLARATION_TYPE_LOCAL_VARIABLE;
- declaration->v.value_number = next_value_number_function;
- ++next_value_number_function;
+
+ /* create the step block */
+ ir_node *const step_block = new_immBlock();
+ if (statement->step != NULL) {
+ expression_to_firm(statement->step);
}
+ ir_node *const step_jmp = new_Jmp();
- create_initializer(declaration);
-}
+ /* create the header block */
+ ir_node *const header_block = new_immBlock();
+ if (jmp != NULL) {
+ add_immBlock_pred(header_block, jmp);
+ }
+ add_immBlock_pred(header_block, step_jmp);
-static void create_local_static_variable(declaration_t *declaration)
-{
- assert(declaration->declaration_type == DECLARATION_TYPE_UNKNOWN);
+ /* the false block */
+ ir_node *const false_block = new_immBlock();
- type_t *type = skip_typeref(declaration->type);
- ir_type *global_type = get_glob_type();
- ident *id = unique_ident(declaration->symbol->string);
- ir_type *irtype = get_ir_type(type);
- ir_entity *entity = new_entity(global_type, id, irtype);
- set_entity_ld_ident(entity, id);
+ /* the loop body */
+ ir_node * body_block;
+ if (statement->body != NULL) {
+ ir_node *const old_continue_label = continue_label;
+ ir_node *const old_break_label = break_label;
+ continue_label = step_block;
+ break_label = false_block;
- declaration->declaration_type = DECLARATION_TYPE_GLOBAL_VARIABLE;
- declaration->v.entity = entity;
- set_entity_variability(entity, variability_uninitialized);
- set_entity_visibility(entity, visibility_local);
+ body_block = new_immBlock();
+ statement_to_firm(statement->body);
- ir_graph *old_current_ir_graph = current_ir_graph;
- current_ir_graph = get_const_code_irg();
+ assert(continue_label == step_block);
+ assert(break_label == false_block);
+ continue_label = old_continue_label;
+ break_label = old_break_label;
- create_initializer(declaration);
+ if (get_cur_block() != NULL) {
+ jmp = new_Jmp();
+ add_immBlock_pred(step_block, jmp);
+ }
+ } else {
+ body_block = step_block;
+ }
- assert(current_ir_graph == get_const_code_irg());
- current_ir_graph = old_current_ir_graph;
-}
+ /* create the condition */
+ set_cur_block(header_block);
+ if (statement->condition != NULL) {
+ create_condition_evaluation(statement->condition, body_block,
+ false_block);
+ } else {
+ keep_alive(header_block);
+ jmp = new_Jmp();
+ add_immBlock_pred(body_block, jmp);
+ }
-static void declaration_statement_to_firm(declaration_statement_t *statement)
-{
- declaration_t *declaration = statement->declarations_begin;
- declaration_t *end = statement->declarations_end->next;
- for( ; declaration != end; declaration = declaration->next) {
- type_t *type = skip_typeref(declaration->type);
+ mature_immBlock(body_block);
+ mature_immBlock(false_block);
+ mature_immBlock(step_block);
+ mature_immBlock(header_block);
+ mature_immBlock(false_block);
- switch ((storage_class_tag_t) declaration->storage_class) {
- case STORAGE_CLASS_TYPEDEF:
- continue;
- case STORAGE_CLASS_STATIC:
- create_local_static_variable(declaration);
- continue;
- case STORAGE_CLASS_ENUM_ENTRY:
- panic("enum entry declaration in local block found");
- case STORAGE_CLASS_EXTERN:
- panic("extern declaration in local block found");
- case STORAGE_CLASS_NONE:
- case STORAGE_CLASS_AUTO:
- case STORAGE_CLASS_REGISTER:
- if(is_type_function(type)) {
- panic("nested functions not supported yet");
- } else {
- create_local_variable(declaration);
- }
- continue;
- case STORAGE_CLASS_THREAD:
- case STORAGE_CLASS_THREAD_EXTERN:
- case STORAGE_CLASS_THREAD_STATIC:
- break;
- }
- panic("invalid storage class found");
- }
+ set_cur_block(false_block);
}
static void create_jump_statement(const statement_t *statement,
set_cur_block(break_block);
}
-static long fold_constant(const expression_t *expression)
-{
- ir_graph *old_current_ir_graph = current_ir_graph;
- current_ir_graph = get_const_code_irg();
-
- ir_node *cnst = expression_to_firm(expression);
- if(!is_Const(cnst)) {
- panic("couldn't fold constantl");
- }
- tarval *tv = get_Const_tarval(cnst);
- if(!tarval_is_long(tv)) {
- panic("folded constant not an integer");
- }
-
- long res = get_tarval_long(tv);
-
- current_ir_graph = old_current_ir_graph;
- return res;
-}
-
static void case_label_to_firm(const case_label_statement_t *statement)
{
dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
set_cur_block(NULL);
}
+typedef enum modifier_t {
+ ASM_MODIFIER_WRITE_ONLY = 1 << 0,
+ ASM_MODIFIER_READ_WRITE = 1 << 1,
+ ASM_MODIFIER_COMMUTATIVE = 1 << 2,
+ ASM_MODIFIER_EARLYCLOBBER = 1 << 3,
+} modifier_t;
+
+#if 0
+static void asm_statement_to_firm(const asm_statement_t *statement)
+{
+ bool needs_memory = false;
+
+ size_t n_clobbers = 0;
+ asm_clobber_t *clobber = statement->clobbers;
+ for( ; clobber != NULL; clobber = clobber->next) {
+ if(strcmp(clobber->clobber, "memory") == 0) {
+ needs_memory = true;
+ continue;
+ }
+
+ ident *id = new_id_from_str(clobber->clobber);
+ obstack_ptr_grow(&asm_obst, id);
+ ++n_clobbers;
+ }
+ assert(obstack_object_size(&asm_obst) == n_clobbers * sizeof(ident*));
+ ident **clobbers = NULL;
+ if(n_clobbers > 0) {
+ clobbers = obstack_finish(&asm_obst);
+ }
+
+ /* find and count input and output constraints */
+ asm_constraint_t *constraint = statement->inputs;
+ for( ; constraint != NULL; constraint = constraint->next) {
+ int modifiers = 0;
+ bool supports_memop = false;
+ for(const char *c = constraint->constraints; *c != 0; ++c) {
+ /* TODO: improve error messages */
+ switch(*c) {
+ case '?':
+ case '!':
+ panic("multiple alternative assembler constraints not "
+ "supported");
+ case 'm':
+ case 'o':
+ case 'V':
+ case '<':
+ case '>':
+ case 'X':
+ supports_memop = true;
+ obstack_1grow(&asm_obst, *c);
+ break;
+ case '=':
+ if(modifiers & ASM_MODIFIER_READ_WRITE)
+ panic("inconsistent register constraints");
+ modifiers |= ASM_MODIFIER_WRITE_ONLY;
+ break;
+ case '+':
+ if(modifiers & ASM_MODIFIER_WRITE_ONLY)
+ panic("inconsistent register constraints");
+ modifiers |= ASM_MODIFIER_READ_WRITE;
+ break;
+ case '&':
+ modifiers |= ASM_MODIFIER_EARLYCLOBBER;
+ panic("early clobber assembler constraint not supported yet");
+ break;
+ case '%':
+ modifiers |= ASM_MODIFIER_COMMUTATIVE;
+ panic("commutative assembler constraint not supported yet");
+ break;
+ case '#':
+ /* skip register preferences stuff... */
+ while(*c != 0 && *c != ',')
+ ++c;
+ break;
+ case '*':
+ /* skip register preferences stuff... */
+ ++c;
+ break;
+ default:
+ obstack_1grow(&asm_obst, *c);
+ break;
+ }
+ }
+ obstack_1grow(&asm_obst, '\0');
+ const char *constraint_string = obstack_finish(&asm_obst);
+
+ needs_memory |= supports_memop;
+ if(supports_memop) {
+
+ }
+ }
+
+}
+#endif
+
static void statement_to_firm(statement_t *statement)
{
switch(statement->type) {
goto_to_firm(&statement->gotos);
return;
case STATEMENT_ASM:
+ //asm_statement_to_firm(&statement->asms);
+ //return;
break;
}
panic("Statement not implemented\n");
projects / cparser / blobdiff