#include "printer.h"
#include "entitymap_t.h"
#include "driver/firm_opt.h"
-#include "driver/firm_cmdline.h"
typedef struct trampoline_region trampoline_region;
struct trampoline_region {
ir_entity *region; /**< created region for the trampoline */
};
+fp_model_t firm_fp_model = fp_model_precise;
+
static const backend_params *be_params;
static ir_type *ir_type_char;
} declaration_kind_t;
static ir_mode *get_ir_mode_storage(type_t *type);
-/*
- * get arithmetic mode for a type. This is different from get_ir_mode_storage,
- * int that it returns bigger modes for floating point on some platforms
- * (x87 internally does arithemtic with 80bits)
- */
-static ir_mode *get_ir_mode_arithmetic(type_t *type);
static ir_type *get_ir_type_incomplete(type_t *type);
{
const entity_t *entity = get_irg_loc_description(irg, pos);
- if (entity != NULL && warning.uninitialized) {
- warningf(&entity->base.source_position,
- "%s '%#T' might be used uninitialized",
- get_entity_kind_name(entity->kind),
- entity->declaration.type, entity->base.symbol);
+ if (entity != NULL) {
+ source_position_t const *const pos = &entity->base.source_position;
+ warningf(WARN_UNINITIALIZED, pos, "'%N' might be used uninitialized", entity);
}
return new_r_Unknown(irg, mode);
}
if (pos == NULL)
return NULL;
if (line != NULL)
- *line = pos->linenr;
+ *line = pos->lineno;
return pos->input_name;
}
return (type_dbg_info*) type;
}
+/* is the current block a reachable one? */
+static bool currently_reachable(void)
+{
+ ir_node *const block = get_cur_block();
+ return block != NULL && !is_Bad(block);
+}
+
+static void set_unreachable_now(void)
+{
+ set_cur_block(NULL);
+}
+
static ir_mode *atomic_modes[ATOMIC_TYPE_LAST+1];
static ir_mode *mode_int, *mode_uint;
type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
type_t *points_to = type->points_to;
ir_type *ir_points_to = get_ir_type_incomplete(points_to);
- ir_type *ir_type = new_d_type_pointer(ir_points_to, dbgi);
+ ir_type *irtype = new_d_type_pointer(ir_points_to, dbgi);
- return ir_type;
+ return irtype;
}
static ir_type *create_reference_type(reference_type_t *type)
type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
type_t *refers_to = type->refers_to;
ir_type *ir_refers_to = get_ir_type_incomplete(refers_to);
- ir_type *ir_type = new_d_type_pointer(ir_refers_to, dbgi);
+ ir_type *irtype = new_d_type_pointer(ir_refers_to, dbgi);
- return ir_type;
+ return irtype;
}
static ir_type *create_array_type(array_type_t *type)
type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
type_t *element_type = type->element_type;
ir_type *ir_element_type = get_ir_type(element_type);
- ir_type *ir_type = new_d_type_array(1, ir_element_type, dbgi);
+ ir_type *irtype = new_d_type_array(1, ir_element_type, dbgi);
const int align = get_type_alignment_bytes(ir_element_type);
- set_type_alignment_bytes(ir_type, align);
+ set_type_alignment_bytes(irtype, align);
if (type->size_constant) {
int n_elements = type->size;
- set_array_bounds_int(ir_type, 0, 0, n_elements);
+ set_array_bounds_int(irtype, 0, 0, n_elements);
size_t elemsize = get_type_size_bytes(ir_element_type);
if (elemsize % align > 0) {
elemsize += align - (elemsize % align);
}
- set_type_size_bytes(ir_type, n_elements * elemsize);
+ set_type_size_bytes(irtype, n_elements * elemsize);
} else {
- set_array_lower_bound_int(ir_type, 0, 0);
+ set_array_lower_bound_int(irtype, 0, 0);
}
- set_type_state(ir_type, layout_fixed);
+ set_type_state(irtype, layout_fixed);
- return ir_type;
+ return irtype;
}
/**
return compound->irtype;
}
- symbol_t *symbol = compound->base.symbol;
+ symbol_t *type_symbol = compound->base.symbol;
ident *id;
- if (symbol != NULL) {
- id = new_id_from_str(symbol->string);
+ if (type_symbol != NULL) {
+ id = new_id_from_str(type_symbol->string);
} else {
if (is_union) {
id = id_unique("__anonymous_union.%u");
return mode;
}
+/*
+ * get arithmetic mode for a type. This is different from get_ir_mode_storage,
+ * int that it returns bigger modes for floating point on some platforms
+ * (x87 internally does arithemtic with 80bits)
+ */
static ir_mode *get_ir_mode_arithmetic(type_t *type)
{
ir_mode *mode = get_ir_mode_storage(type);
/* for gcc compatibility we have to produce (dummy) addresses for some
* builtins which don't have entities */
if (irentity == NULL) {
- if (warning.other) {
- warningf(&ref->base.source_position,
- "taking address of builtin '%Y'",
- ref->entity->base.symbol);
- }
+ source_position_t const *const pos = &ref->base.source_position;
+ symbol_t const *const sym = ref->entity->base.symbol;
+ warningf(WARN_OTHER, pos, "taking address of builtin '%Y'", sym);
/* simply create a NULL pointer */
ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
assert(call->function->kind == EXPR_REFERENCE);
reference_expression_t *builtin = &call->function->reference;
- type_t *type = skip_typeref(builtin->base.type);
- assert(is_type_pointer(type));
+ type_t *expr_type = skip_typeref(builtin->base.type);
+ assert(is_type_pointer(expr_type));
- type_t *function_type = skip_typeref(type->pointer.points_to);
+ type_t *function_type = skip_typeref(expr_type->pointer.points_to);
switch (builtin->entity->function.btk) {
case bk_gnu_builtin_alloca: {
static ir_node *call_expression_to_firm(const call_expression_t *const call)
{
dbg_info *const dbgi = get_dbg_info(&call->base.source_position);
- assert(get_cur_block() != NULL);
+ assert(currently_reachable());
expression_t *function = call->function;
if (function->kind == EXPR_REFERENCE) {
expression_t *expression = argument->expression;
ir_node *arg_node = expression_to_firm(expression);
- type_t *type = skip_typeref(expression->base.type);
- if (!is_type_compound(type)) {
+ type_t *arg_type = skip_typeref(expression->base.type);
+ if (!is_type_compound(arg_type)) {
ir_mode *mode = get_ir_mode_storage(expression->base.type);
arg_node = create_conv(dbgi, arg_node, mode);
arg_node = do_strict_conv(dbgi, arg_node);
return res;
}
- expression_t *con;
+ expression_t *con = NULL;
if (is_local_variable(op1) && is_constant_expression(op2) == EXPR_CLASS_CONSTANT) {
var = op1->reference.entity;
con = op2;
add_immBlock_pred(true_block, true_proj);
add_immBlock_pred(false_block, false_proj);
- set_cur_block(NULL);
+ set_unreachable_now();
return cond_expr;
}
ir_node *value = expression_to_firm(initializer_value->value);
- type_t *type = initializer_value->value->base.type;
- ir_mode *mode = get_ir_mode_storage(type);
+ type_t *init_type = initializer_value->value->base.type;
+ ir_mode *mode = get_ir_mode_storage(init_type);
value = create_conv(dbgi, value, mode);
value = do_strict_conv(dbgi, value);
{
assert(entity->kind == ENTITY_VARIABLE);
assert(entity->variable.initializer == NULL);
- assert(get_cur_block() != NULL);
+ assert(currently_reachable());
dbg_info *dbgi = get_dbg_info(&entity->base.source_position);
type_t *type = entity->declaration.type;
static void return_statement_to_firm(return_statement_t *statement)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return;
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
type_t *type = current_function_entity->declaration.type;
ir_type *func_irtype = get_ir_type(type);
-
ir_node *in[1];
int in_len;
if (get_method_n_ress(func_irtype) > 0) {
if (statement->value != NULL) {
ir_node *node = expression_to_firm(statement->value);
if (!is_compound_type(res_type)) {
- type_t *type = statement->value->base.type;
- ir_mode *mode = get_ir_mode_storage(type);
- node = create_conv(dbgi, node, mode);
- node = do_strict_conv(dbgi, node);
+ type_t *ret_value_type = statement->value->base.type;
+ ir_mode *mode = get_ir_mode_storage(ret_value_type);
+ node = create_conv(dbgi, node, mode);
+ node = do_strict_conv(dbgi, node);
}
in[0] = node;
} else {
ir_node *end_block = get_irg_end_block(current_ir_graph);
add_immBlock_pred(end_block, ret);
- set_cur_block(NULL);
+ set_unreachable_now();
}
static ir_node *expression_statement_to_firm(expression_statement_t *statement)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return NULL;
return expression_to_firm(statement->expression);
// no need to emit code in dead blocks
if (entity->declaration.storage_class != STORAGE_CLASS_STATIC
- && get_cur_block() == NULL)
+ && !currently_reachable())
return;
switch ((declaration_kind_t) entity->declaration.kind) {
/* Create the condition. */
ir_node *true_block = NULL;
ir_node *false_block = NULL;
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
true_block = new_immBlock();
false_block = new_immBlock();
create_condition_evaluation(statement->condition, true_block, false_block);
}
set_cur_block(false_block);
statement_to_firm(statement->false_statement);
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
fallthrough_block = new_immBlock();
add_immBlock_pred(fallthrough_block, new_Jmp());
}
/* Create the true statement. */
set_cur_block(true_block);
statement_to_firm(statement->true_statement);
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
if (fallthrough_block == NULL) {
fallthrough_block = new_immBlock();
}
* reachable. */
static void jump_if_reachable(ir_node *const target_block)
{
- if (get_cur_block() != NULL) {
- add_immBlock_pred(target_block, new_Jmp());
- }
+ ir_node *const pred = currently_reachable() ? new_Jmp() : new_Bad(mode_X);
+ add_immBlock_pred(target_block, pred);
}
static void while_statement_to_firm(while_statement_t *statement)
create_local_declaration(entity);
}
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
entity = statement->scope.entities;
for ( ; entity != NULL; entity = entity->base.next) {
if (!is_declaration(entity))
static void create_jump_statement(const statement_t *statement,
ir_node *target_block)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return;
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *jump = new_d_Jmp(dbgi);
add_immBlock_pred(target_block, jump);
- set_cur_block(NULL);
+ set_unreachable_now();
}
static void switch_statement_to_firm(switch_statement_t *statement)
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *cond = NULL;
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
ir_node *expression = expression_to_firm(statement->expression);
cond = new_d_Cond(dbgi, expression);
first_block = get_cur_block();
}
- set_cur_block(NULL);
+ set_unreachable_now();
ir_node *const old_switch_cond = current_switch_cond;
ir_node *const old_break_label = break_label;
default_proj_nr = l->last_case;
}
- if (default_proj_nr == INT_MAX) {
+ if (default_proj_nr == LONG_MAX) {
/* Bad: an overflow will occur, we cannot be sure that the
* maximum + 1 is a free number. Scan the values a second
* time to find a free number.
static void goto_to_firm(const goto_statement_t *statement)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return;
if (statement->expression) {
ir_node *jmp = new_Jmp();
add_immBlock_pred(block, jmp);
}
- set_cur_block(NULL);
+ set_unreachable_now();
}
static void asm_statement_to_firm(const asm_statement_t *statement)
asm_constraint_flags_t asm_flags
= be_parse_asm_constraints(constraints);
- if (asm_flags & ASM_CONSTRAINT_FLAG_NO_SUPPORT) {
- warningf(&statement->base.source_position,
- "some constraints in '%s' are not supported", constraints);
- }
- if (asm_flags & ASM_CONSTRAINT_FLAG_INVALID) {
- errorf(&statement->base.source_position,
- "some constraints in '%s' are invalid", constraints);
- continue;
- }
- if (! (asm_flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE)) {
- errorf(&statement->base.source_position,
- "no write flag specified for output constraints '%s'",
- constraints);
- continue;
+ {
+ source_position_t const *const pos = &statement->base.source_position;
+ if (asm_flags & ASM_CONSTRAINT_FLAG_NO_SUPPORT) {
+ warningf(WARN_OTHER, pos, "some constraints in '%s' are not supported", constraints);
+ }
+ if (asm_flags & ASM_CONSTRAINT_FLAG_INVALID) {
+ errorf(pos, "some constraints in '%s' are invalid", constraints);
+ continue;
+ }
+ if (! (asm_flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE)) {
+ errorf(pos, "no write flag specified for output constraints '%s'", constraints);
+ continue;
+ }
}
unsigned pos = next_pos++;
static void ms_try_statement_to_firm(ms_try_statement_t *statement)
{
statement_to_firm(statement->try_statement);
- warningf(&statement->base.source_position, "structured exception handling ignored");
+ source_position_t const *const pos = &statement->base.source_position;
+ warningf(WARN_OTHER, pos, "structured exception handling ignored");
}
static void leave_statement_to_firm(leave_statement_t *statement)
}
if (needs_entity) {
- ir_entity *entity = get_method_value_param_ent(function_irtype, n);
- ident *id = new_id_from_str(parameter->base.symbol->string);
- set_entity_ident(entity, id);
+ ir_entity *param = get_method_value_param_ent(function_irtype, n);
+ ident *id = new_id_from_str(parameter->base.symbol->string);
+ set_entity_ident(param, id);
parameter->declaration.kind
= DECLARATION_KIND_PARAMETER_ENTITY;
- parameter->parameter.v.entity = entity;
+ parameter->parameter.v.entity = param;
continue;
}
ir_graph *old_current_function = current_function;
current_function = irg;
- set_irg_fp_model(irg, firm_opt.fp_model);
+ set_irg_fp_model(irg, firm_fp_model);
tarval_enable_fp_ops(1);
set_irn_dbg_info(get_irg_start_block(irg),
get_entity_dbg_info(function_entity));
ir_node *end_block = get_irg_end_block(irg);
/* do we have a return statement yet? */
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
type_t *type = skip_typeref(entity->declaration.type);
assert(is_type_function(type));
const function_type_t *func_type = &type->function;
if (has_computed_gotos) {
/* if we have computed goto's in the function, we cannot inline it */
if (get_irg_inline_property(irg) >= irg_inline_recomended) {
- warningf(&entity->base.source_position,
- "function '%Y' can never be inlined because it contains a computed goto",
- entity->base.symbol);
+ source_position_t const *const pos = &entity->base.source_position;
+ warningf(WARN_OTHER, pos, "'%N' can never be inlined because it contains a computed goto", entity);
}
set_irg_inline_property(irg, irg_inline_forbidden);
}
int align_all = 4;
int offset = 0;
for (int i = 0; i < n; ++i) {
- ir_entity *entity = get_compound_member(frame_type, i);
- ir_type *entity_type = get_entity_type(entity);
+ ir_entity *member = get_compound_member(frame_type, i);
+ ir_type *entity_type = get_entity_type(member);
int align = get_type_alignment_bytes(entity_type);
if (align > align_all)
}
}
- set_entity_offset(entity, offset);
+ set_entity_offset(member, offset);
offset += get_type_size_bytes(entity_type);
}
set_type_size_bytes(frame_type, offset);