static type_t *type_void;
static type_t *type_int;
-static symbol_t *symbol_alloca;
+static symbol_t *symbol_builtin_alloca;
+static symbol_t *symbol_builtin_nanf;
static int next_value_number_function;
static ir_node *continue_label;
type_void->base.firm_type = ir_type_void;
- symbol_alloca = symbol_table_insert("__builtin_alloca");
+ symbol_builtin_alloca = symbol_table_insert("__builtin_alloca");
+ symbol_builtin_nanf = symbol_table_insert("__builtin_nanf");
}
void exit_ast2firm(void)
return load_res;
}
+static ir_node *do_strict_conv(dbg_info *dbgi, ir_node *node)
+{
+ ir_mode *mode = get_irn_mode(node);
+
+ if(!(get_irg_fp_model(current_ir_graph) & fp_explicit_rounding))
+ return node;
+ if(!mode_is_float(mode))
+ return node;
+
+ /* check if there is already a Conv */
+ if (get_irn_op(node) == op_Conv) {
+ /* convert it into a strict Conv */
+ set_Conv_strict(node, 1);
+ return node;
+ }
+
+ /* otherwise create a new one */
+ return new_d_strictConv(dbgi, node, mode);
+}
+
+static ir_node *get_global_var_address(dbg_info *const dbgi,
+ const declaration_t *const decl)
+{
+ assert(decl->declaration_type == DECLARATION_TYPE_GLOBAL_VARIABLE);
+
+ ir_entity *const entity = decl->v.entity;
+ switch ((storage_class_tag_t)decl->storage_class) {
+ case STORAGE_CLASS_THREAD:
+ case STORAGE_CLASS_THREAD_EXTERN:
+ case STORAGE_CLASS_THREAD_STATIC: {
+ ir_node *const no_mem = new_NoMem();
+ ir_node *const tls = get_irg_tls(current_ir_graph);
+ return new_d_simpleSel(dbgi, no_mem, tls, entity);
+ }
+
+ default:
+ return create_symconst(dbgi, entity);
+ }
+}
+
static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
{
dbg_info *dbgi = get_dbg_info(&ref->expression.source_position);
return create_symconst(dbgi, declaration->v.entity);
}
case DECLARATION_TYPE_GLOBAL_VARIABLE: {
- ir_entity *entity = declaration->v.entity;
- ir_node *symconst = create_symconst(dbgi, entity);
- ir_type *irtype = get_entity_type(entity);
- return deref_address(irtype, symconst, dbgi);
+ ir_node *const addr = get_global_var_address(dbgi, declaration);
+ ir_type *const irtype = get_entity_type(declaration->v.entity);
+ return deref_address(irtype, addr, dbgi);
}
+
case DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY: {
ir_entity *entity = declaration->v.entity;
ir_node *frame = get_irg_frame(current_ir_graph);
return create_symconst(dbgi, declaration->v.entity);
}
case DECLARATION_TYPE_GLOBAL_VARIABLE: {
- ir_entity *entity = declaration->v.entity;
- ir_node *symconst = create_symconst(dbgi, entity);
- return symconst;
+ ir_node *const addr = get_global_var_address(dbgi, declaration);
+ return addr;
}
case DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY: {
ir_entity *entity = declaration->v.entity;
= (builtin_symbol_expression_t*) call->function;
symbol_t *symbol = builtin->symbol;
- if(symbol == symbol_alloca) {
+ if(symbol == symbol_builtin_alloca) {
if(call->arguments == NULL || call->arguments->next != NULL) {
panic("invalid number of parameters on __builtin_alloca");
}
set_store(proj_m);
ir_node *res = new_Proj(alloca, mode_P_data, pn_Alloc_res);
+ return res;
+ } else if(symbol == symbol_builtin_nanf) {
+ /* Ignore string for now... */
+ ir_mode *mode = mode_D;
+ tarval *tv = get_mode_NAN(mode);
+ ir_node *res = new_d_Const(dbgi, mode, tv);
return res;
} else {
panic("Unsupported builtin found\n");
++n_parameters;
}
+ dbg_info *dbgi = get_dbg_info(&call->expression.source_position);
+
ir_type *ir_method_type = get_ir_type((type_t*) function_type);
ir_type *new_method_type = NULL;
if(function_type->variadic || function_type->unspecified_parameters) {
expression_t *expression = argument->expression;
ir_node *arg_node = expression_to_firm(expression);
+ arg_node = do_strict_conv(dbgi, arg_node);
+
in[n] = arg_node;
if(new_method_type != NULL) {
ir_type *irtype = get_ir_type(expression->base.datatype);
if(new_method_type != NULL)
ir_method_type = new_method_type;
- dbg_info *dbgi = get_dbg_info(&call->expression.source_position);
ir_node *store = get_store();
ir_node *node = new_d_Call(dbgi, store, callee, n_parameters, in,
ir_method_type);
static void set_value_for_expression(const expression_t *expression,
ir_node *value)
{
+ dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
+ value = do_strict_conv(dbgi, value);
+
if(expression->type == EXPR_REFERENCE) {
reference_expression_t *ref = (reference_expression_t*) expression;
}
}
- dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
ir_node *addr = expression_to_addr(expression);
ir_node *memory = get_store();
case UNEXPR_PREFIX_INCREMENT:
case UNEXPR_PREFIX_DECREMENT:
return create_incdec(expression);
- case UNEXPR_CAST:
+ case UNEXPR_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:
return create_conv(dbgi, value_node, get_ir_mode(type));
case UNEXPR_TAKE_ADDRESS:
set_cur_block(NULL);
}
-
static void return_statement_to_firm(return_statement_t *statement)
{
if(get_cur_block() == NULL)
if(get_method_n_ress(func_irtype) > 0) {
ir_type *res_type = get_method_res_type(func_irtype, 0);
- if(is_compound_type(res_type)) {
- ir_entity *entity = get_method_value_res_ent(func_irtype, 0);
-
- ir_node *frame = get_irg_frame(current_ir_graph);
- ir_node *nomem = new_NoMem();
- ir_node *source_addr = expression_to_addr(statement->return_value);
- ir_node *dest_addr = new_simpleSel(nomem, frame, entity);
-
- ir_node *store = get_store();
- ir_node *copyb = new_d_CopyB(dbgi, store, dest_addr, source_addr,
- res_type);
-
- ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
- set_store(copyb_mem);
-
- in[0] = dest_addr;
- in_len = 1;
+ if(statement->return_value != NULL) {
+ ir_node *node = expression_to_firm(statement->return_value);
+ node = do_strict_conv(dbgi, node);
+ in[0] = node;
} else {
- in_len = 1;
- if(statement->return_value != NULL) {
- in[0] = expression_to_firm(statement->return_value);
+ ir_mode *mode;
+ if(is_compound_type(res_type)) {
+ mode = mode_P_data;
} else {
- ir_mode *mode = get_type_mode(res_type);
- in[0] = new_Unknown(mode);
+ 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) {
for( ; declaration != end; declaration = declaration->next) {
type_t *type = declaration->type;
- switch(declaration->storage_class) {
+ switch ((storage_class_tag_t)declaration->storage_class) {
case STORAGE_CLASS_TYPEDEF:
continue;
case STORAGE_CLASS_STATIC:
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");
}
static void statement_to_firm(statement_t *statement)
{
switch(statement->type) {
+ case STATEMENT_INVALID:
+ panic("invalid statement found");
case STATEMENT_COMPOUND:
- compound_statement_to_firm((compound_statement_t*) statement);
+ compound_statement_to_firm(&statement->compound);
return;
case STATEMENT_RETURN:
- return_statement_to_firm((return_statement_t*) statement);
+ return_statement_to_firm(&statement->returns);
return;
case STATEMENT_EXPRESSION:
- expression_statement_to_firm((expression_statement_t*) statement);
+ expression_statement_to_firm(&statement->expression);
return;
case STATEMENT_IF:
- if_statement_to_firm((if_statement_t*) statement);
+ if_statement_to_firm(&statement->ifs);
return;
case STATEMENT_WHILE:
- while_statement_to_firm((while_statement_t*) statement);
+ while_statement_to_firm(&statement->whiles);
return;
case STATEMENT_DO_WHILE:
- do_while_statement_to_firm((do_while_statement_t*) statement);
+ do_while_statement_to_firm(&statement->do_while);
return;
case STATEMENT_DECLARATION:
- declaration_statement_to_firm((declaration_statement_t*) statement);
+ declaration_statement_to_firm(&statement->declaration);
return;
case STATEMENT_BREAK:
create_jump_statement(statement, break_label);
create_jump_statement(statement, continue_label);
return;
case STATEMENT_SWITCH:
- switch_statement_to_firm((switch_statement_t*) statement);
+ switch_statement_to_firm(&statement->switchs);
return;
case STATEMENT_CASE_LABEL:
- case_label_to_firm((case_label_statement_t*) statement);
+ case_label_to_firm(&statement->case_label);
return;
case STATEMENT_FOR:
- for_statement_to_firm((for_statement_t*) statement);
+ for_statement_to_firm(&statement->fors);
return;
case STATEMENT_LABEL:
- label_to_firm((label_statement_t*) statement);
+ label_to_firm(&statement->label);
return;
case STATEMENT_GOTO:
- goto_to_firm((goto_statement_t*) statement);
+ goto_to_firm(&statement->gotos);
return;
- default:
+ case STATEMENT_ASM:
break;
}
panic("Statement not implemented\n");
break;
}
+ case STATEMENT_ASM:
case STATEMENT_BREAK:
case STATEMENT_CASE_LABEL:
case STATEMENT_CONTINUE:
if(get_cur_block() != NULL) {
assert(declaration->type->type == TYPE_FUNCTION);
const function_type_t* const func_type = &declaration->type->function;
+ const type_t *result_type = skip_typeref(func_type->result_type);
ir_node *ret;
- if (func_type->result_type == type_void) {
+ if (is_type_atomic(result_type, ATOMIC_TYPE_VOID)) {
ret = new_Return(get_store(), 0, NULL);
} else {
- ir_mode *const mode = get_ir_mode(func_type->result_type);
- ir_node * in[1];
+ ir_mode *mode;
+ if(is_type_scalar(result_type)) {
+ mode = get_ir_mode(func_type->result_type);
+ } else {
+ mode = mode_P_data;
+ }
+
+ ir_node *in[1];
// ยง5.1.2.2.3 main implicitly returns 0
if (strcmp(declaration->symbol->string, "main") == 0) {
in[0] = new_Const(mode, get_mode_null(mode));
static void create_global_variable(declaration_t *declaration)
{
- ir_type *global_type = get_glob_type();
- create_declaration_entity(declaration, DECLARATION_TYPE_GLOBAL_VARIABLE,
- global_type);
+ ir_visibility vis;
+ ir_type *var_type;
+ switch ((storage_class_tag_t)declaration->storage_class) {
+ case STORAGE_CLASS_STATIC:
+ vis = visibility_local;
+ goto global_var;
- ir_entity *entity = declaration->v.entity;
- if(declaration->storage_class == STORAGE_CLASS_STATIC) {
- set_entity_visibility(entity, visibility_local);
- } else if(declaration->storage_class == STORAGE_CLASS_EXTERN) {
- set_entity_visibility(entity, visibility_external_allocated);
- } else {
- set_entity_visibility(entity, visibility_external_visible);
+ case STORAGE_CLASS_EXTERN:
+ vis = visibility_external_allocated;
+ goto global_var;
+
+ case STORAGE_CLASS_NONE:
+ vis = visibility_external_visible;
+ goto global_var;
+
+ case STORAGE_CLASS_THREAD:
+ vis = visibility_external_visible;
+ goto tls_var;
+
+ case STORAGE_CLASS_THREAD_EXTERN:
+ vis = visibility_external_allocated;
+ goto tls_var;
+
+ case STORAGE_CLASS_THREAD_STATIC:
+ vis = visibility_local;
+ goto tls_var;
+
+tls_var:
+ var_type = get_tls_type();
+ goto create_var;
+
+global_var:
+ var_type = get_glob_type();
+ goto create_var;
+
+create_var:
+ create_declaration_entity(declaration, DECLARATION_TYPE_GLOBAL_VARIABLE,
+ var_type);
+ set_entity_visibility(declaration->v.entity, vis);
+
+ current_ir_graph = get_const_code_irg();
+ create_initializer(declaration);
+ return;
+
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_AUTO:
+ case STORAGE_CLASS_REGISTER:
+ case STORAGE_CLASS_ENUM_ENTRY:
+ break;
}
- current_ir_graph = get_const_code_irg();
- create_initializer(declaration);
+ panic("Invalid storage class for global variable");
}
static void context_to_firm(context_t *context)
projects / cparser / blobdiff