#include "mangle.h"
#include "walk_statements.h"
#include "warning.h"
+#include "printer.h"
#include "entitymap_t.h"
#include "driver/firm_opt.h"
#include "driver/firm_cmdline.h"
static entity_t **inner_functions;
static ir_node *ijmp_list;
static bool constant_folding;
+static bool initializer_use_bitfield_basetype;
extern bool have_const_functions;
return new_r_Unknown(irg, mode);
}
-unsigned dbg_snprint(char *buf, unsigned len, const dbg_info *dbg)
-{
- const source_position_t *pos = (const source_position_t*) dbg;
- if (pos == NULL)
- return 0;
- return (unsigned) snprintf(buf, len, "%s:%u", pos->input_name,
- pos->linenr);
-}
-
-const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
+static const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
{
const source_position_t *pos = (const source_position_t*) dbg;
if (pos == NULL)
return (dbg_info*) pos;
}
+static void dbg_print_type_dbg_info(char *buffer, size_t buffer_size,
+ const type_dbg_info *dbg)
+{
+ assert(dbg != NULL);
+ print_to_buffer(buffer, buffer_size);
+ const type_t *type = (const type_t*) dbg;
+ print_type(type);
+ finish_print_to_buffer();
+}
+
+static type_dbg_info *get_type_dbg_info_(const type_t *type)
+{
+ return (type_dbg_info*) type;
+}
+
static ir_mode *atomic_modes[ATOMIC_TYPE_LAST+1];
static ir_mode *mode_int, *mode_uint;
/**
* Creates a Firm type for an atomic type
*/
-static ir_type *create_atomic_type(atomic_type_kind_t akind)
+static ir_type *create_atomic_type(atomic_type_kind_t akind, const type_t *type)
{
ir_mode *mode = atomic_modes[akind];
- ident *id = get_mode_ident(mode);
- ir_type *irtype = new_type_primitive(id, mode);
+ type_dbg_info *dbgi = get_type_dbg_info_(type);
+ ir_type *irtype = new_d_type_primitive(mode, dbgi);
il_alignment_t alignment = get_atomic_type_alignment(akind);
set_type_alignment_bytes(irtype, alignment);
*/
static ir_type *create_imaginary_type(imaginary_type_t *type)
{
- atomic_type_kind_t kind = type->akind;
- ir_mode *mode = atomic_modes[kind];
- ident *id = get_mode_ident(mode);
- ir_type *irtype = new_type_primitive(id, mode);
- il_alignment_t alignment = get_type_alignment((type_t*) type);
-
- set_type_alignment_bytes(irtype, alignment);
-
- return irtype;
+ return create_atomic_type(type->akind, (const type_t*) type);
}
/**
static ir_type *create_method_type(const function_type_t *function_type, bool for_closure)
{
- type_t *return_type = skip_typeref(function_type->return_type);
+ type_t *return_type = skip_typeref(function_type->return_type);
- ident *id = id_unique("functiontype.%u");
- int n_parameters = count_parameters(function_type) + (for_closure ? 1 : 0);
- int n_results = return_type == type_void ? 0 : 1;
- ir_type *irtype = new_type_method(id, n_parameters, n_results);
+ int n_parameters = count_parameters(function_type)
+ + (for_closure ? 1 : 0);
+ int n_results = return_type == type_void ? 0 : 1;
+ type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) function_type);
+ ir_type *irtype = new_d_type_method(n_parameters, n_results, dbgi);
if (return_type != type_void) {
ir_type *restype = get_ir_type(return_type);
++n;
}
- bool is_variadic = function_type->variadic ||
- (function_type->unspecified_parameters && !function_type->prototyped);
+ bool is_variadic = function_type->variadic;
if (is_variadic)
set_method_variadicity(irtype, variadicity_variadic);
static ir_type *create_pointer_type(pointer_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_type_pointer(id_unique("pointer.%u"),
- ir_points_to, mode_P_data);
+ 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);
return ir_type;
}
static ir_type *create_reference_type(reference_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_type_pointer(id_unique("reference.%u"),
- ir_refers_to, mode_P_data);
+ 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);
return ir_type;
}
static ir_type *create_array_type(array_type_t *type)
{
- type_t *element_type = type->element_type;
- ir_type *ir_element_type = get_ir_type(element_type);
-
- ident *id = id_unique("array.%u");
- ir_type *ir_type = new_type_array(id, 1, ir_element_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);
const int align = get_type_alignment_bytes(ir_element_type);
set_type_alignment_bytes(ir_type, align);
* @param size the size
*/
static ir_type *get_signed_int_type_for_bit_size(ir_type *base_tp,
- unsigned size)
+ unsigned size,
+ const type_t *type)
{
static ir_mode *s_modes[64 + 1] = {NULL, };
ir_type *res;
s_modes[size] = mode;
}
- char name[32];
- snprintf(name, sizeof(name), "I%u", size);
- ident *id = new_id_from_str(name);
- dbg_info *dbgi = get_dbg_info(&builtin_source_position);
- res = new_d_type_primitive(id_mangle_u(get_type_ident(base_tp), id), mode, dbgi);
+ type_dbg_info *dbgi = get_type_dbg_info_(type);
+ res = new_d_type_primitive(mode, dbgi);
set_primitive_base_type(res, base_tp);
return res;
* @param size the size
*/
static ir_type *get_unsigned_int_type_for_bit_size(ir_type *base_tp,
- unsigned size)
+ unsigned size,
+ const type_t *type)
{
static ir_mode *u_modes[64 + 1] = {NULL, };
ir_type *res;
u_modes[size] = mode;
}
- char name[32];
-
- snprintf(name, sizeof(name), "U%u", size);
- ident *id = new_id_from_str(name);
- dbg_info *dbgi = get_dbg_info(&builtin_source_position);
- res = new_d_type_primitive(id_mangle_u(get_type_ident(base_tp), id), mode, dbgi);
+ type_dbg_info *dbgi = get_type_dbg_info_(type);
+ res = new_d_type_primitive(mode, dbgi);
set_primitive_base_type(res, base_tp);
return res;
assert(!is_type_float(base));
if (is_type_signed(base)) {
- return get_signed_int_type_for_bit_size(irbase, size);
+ return get_signed_int_type_for_bit_size(irbase, size,
+ (const type_t*) type);
} else {
- return get_unsigned_int_type_for_bit_size(irbase, size);
+ return get_unsigned_int_type_for_bit_size(irbase, size,
+ (const type_t*) type);
}
}
id = id_unique("__anonymous_struct.%u");
}
}
- dbg_info *dbgi = get_dbg_info(&compound->base.source_position);
ir_type *irtype;
if (is_union) {
- irtype = new_d_type_union(id, dbgi);
+ irtype = new_type_union(id);
} else {
- irtype = new_d_type_struct(id, dbgi);
+ irtype = new_type_struct(id);
}
compound->irtype_complete = false;
constant_folding = constant_folding_old;
- return create_atomic_type(type->akind);
+ return create_atomic_type(type->akind, (const type_t*) type);
}
static ir_type *get_ir_type_incomplete(type_t *type)
switch (type->kind) {
case TYPE_ERROR:
/* Happens while constant folding, when there was an error */
- return create_atomic_type(ATOMIC_TYPE_VOID);
+ return create_atomic_type(ATOMIC_TYPE_VOID, NULL);
case TYPE_ATOMIC:
- firm_type = create_atomic_type(type->atomic.akind);
+ firm_type = create_atomic_type(type->atomic.akind, type);
break;
case TYPE_COMPLEX:
firm_type = create_complex_type(&type->complex);
{
assert(is_declaration(entity));
decl_modifiers_t modifiers = entity->declaration.modifiers;
- if (modifiers & DM_PURE) {
- /* TRUE if the declaration includes the GNU
- __attribute__((pure)) specifier. */
- set_entity_additional_property(irentity, mtp_property_pure);
- }
- if (modifiers & DM_CONST) {
- set_entity_additional_property(irentity, mtp_property_const);
- have_const_functions = true;
+
+ if (is_method_entity(irentity)) {
+ if (modifiers & DM_PURE) {
+ set_entity_additional_property(irentity, mtp_property_pure);
+ }
+ if (modifiers & DM_CONST) {
+ set_entity_additional_property(irentity, mtp_property_const);
+ have_const_functions = true;
+ }
}
if (modifiers & DM_USED) {
- /* TRUE if the declaration includes the GNU
- __attribute__((used)) specifier. */
- set_entity_stickyness(irentity, stickyness_sticky);
+ add_entity_linkage(irentity, IR_LINKAGE_HIDDEN_USER);
+ }
+ if (modifiers & DM_WEAK) {
+ add_entity_linkage(irentity, IR_LINKAGE_WEAK);
}
}
ir_entity *irentity = entitymap_get(&entitymap, symbol);
bool const has_body = entity->function.statement != NULL;
if (irentity != NULL) {
- if (get_entity_visibility(irentity) == visibility_external_allocated
+ if (get_entity_visibility(irentity) == ir_visibility_external
&& has_body) {
- set_entity_visibility(irentity, visibility_external_visible);
+ set_entity_visibility(irentity, ir_visibility_default);
}
goto entity_created;
}
bool const is_inline = entity->function.is_inline;
if (is_inline && storage_class == STORAGE_CLASS_NONE && has_body) {
- set_entity_visibility(irentity, visibility_external_visible);
+ set_entity_visibility(irentity, ir_visibility_default);
} else if (storage_class == STORAGE_CLASS_STATIC ||
(is_inline && has_body)) {
- if (!has_body) {
- /* this entity was declared, but is defined nowhere */
- set_entity_peculiarity(irentity, peculiarity_description);
- }
- set_entity_visibility(irentity, visibility_local);
+ set_entity_visibility(irentity, ir_visibility_local);
} else if (has_body) {
- set_entity_visibility(irentity, visibility_external_visible);
+ set_entity_visibility(irentity, ir_visibility_default);
} else {
- set_entity_visibility(irentity, visibility_external_allocated);
+ set_entity_visibility(irentity, ir_visibility_external);
}
} else {
/* nested functions are always local */
- set_entity_visibility(irentity, visibility_local);
+ set_entity_visibility(irentity, ir_visibility_local);
}
- set_entity_allocation(irentity, allocation_static);
/* We should check for file scope here, but as long as we compile C only
this is not needed. */
* Allocate an area of size bytes aligned at alignment
* at a frame type.
*/
-static ir_entity *alloc_trampoline(ir_type *frame_type, int size, unsigned alignment) {
+static ir_entity *alloc_trampoline(ir_type *frame_type, int size, unsigned alignment)
+{
static unsigned area_cnt = 0;
char buf[32];
- snprintf(buf, sizeof(buf), "trampolin%u", area_cnt++);
- ident *name = new_id_from_str(buf);
-
- ir_type *tp = new_type_array(id_mangle_u(get_type_ident(frame_type), name), 1, ir_type_char);
+ ir_type *tp = new_type_array(1, ir_type_char);
set_array_bounds_int(tp, 0, 0, size);
set_type_alignment_bytes(tp, alignment);
+ snprintf(buf, sizeof(buf), "trampolin%u", area_cnt++);
+ ident *name = new_id_from_str(buf);
ir_entity *area = new_entity(frame_type, name, tp);
/* mark this entity as compiler generated */
}
/**
- * Return a node representing a trampoline reagion
- * for a given entity.
+ * Return a node representing a trampoline region
+ * for a given function entity.
*
* @param dbgi debug info
- * @param entity the entity
+ * @param entity the function entity
*/
static ir_node *get_trampoline_region(dbg_info *dbgi, ir_entity *entity)
{
}
/**
- * Creates a SymConst for a given trampoline of an entity.
+ * Creates a trampoline for a function represented by an entity.
*
* @param dbgi debug info
- * @param mode the (reference) mode for the SymConst
- * @param entity the entity
+ * @param mode the (reference) mode for the function address
+ * @param entity the function entity
*/
static ir_node *create_trampoline(dbg_info *dbgi, ir_mode *mode,
ir_entity *entity)
in[1] = create_symconst(dbgi, mode, entity);
in[2] = get_irg_frame(current_ir_graph);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_inner_trampoline, 3, in, get_unknown_type());
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 3, in, ir_bk_inner_trampoline, get_unknown_type());
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return new_Proj(irn, mode, pn_Builtin_1_result);
}
{
ir_type *const global_type = get_glob_type();
dbg_info *const dbgi = get_dbg_info(src_pos);
- ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1,
- ir_type_const_char, dbgi);
+ ir_type *const type = new_type_array(1, ir_type_const_char);
ident *const id = id_unique(id_prefix);
ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
set_entity_ld_ident(entity, id);
- set_entity_variability(entity, variability_constant);
- set_entity_allocation(entity, allocation_static);
- set_entity_visibility(entity, visibility_local);
+ set_entity_visibility(entity, ir_visibility_local);
+ add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
ir_type *const elem_type = ir_type_const_char;
ir_mode *const mode = get_type_mode(elem_type);
set_type_size_bytes(type, slen);
set_type_state(type, layout_fixed);
- tarval **const tvs = xmalloc(slen * sizeof(tvs[0]));
+ ir_initializer_t *initializer = create_initializer_compound(slen);
for (size_t i = 0; i < slen; ++i) {
- tvs[i] = new_tarval_from_long(string[i], mode);
+ tarval *tv = new_tarval_from_long(string[i], mode);
+ ir_initializer_t *val = create_initializer_tarval(tv);
+ set_initializer_compound_value(initializer, i, val);
}
-
- set_array_entity_values(entity, tvs, slen);
- free(tvs);
+ set_entity_initializer(entity, initializer);
return create_symconst(dbgi, mode_P_data, entity);
}
ir_type *const global_type = get_glob_type();
ir_type *const elem_type = ir_type_wchar_t;
dbg_info *const dbgi = get_dbg_info(&literal->base.source_position);
- ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1,
- elem_type, dbgi);
+ ir_type *const type = new_type_array(1, elem_type);
ident *const id = id_unique("Lstr.%u");
ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
set_entity_ld_ident(entity, id);
- set_entity_variability(entity, variability_constant);
- set_entity_allocation(entity, allocation_static);
+ set_entity_visibility(entity, ir_visibility_local);
+ add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
ir_mode *const mode = get_type_mode(elem_type);
set_array_lower_bound_int(type, 0, 0);
set_array_upper_bound_int(type, 0, slen);
- set_type_size_bytes(type, slen);
+ set_type_size_bytes(type, slen * get_mode_size_bytes(mode));
set_type_state(type, layout_fixed);
- tarval **const tvs = xmalloc(slen * sizeof(tvs[0]));
+ ir_initializer_t *initializer = create_initializer_compound(slen);
for (size_t i = 0; i < slen; ++i) {
- tvs[i] = new_tarval_from_long(string[i], mode);
+ tarval *tv = new_tarval_from_long(string[i], mode);
+ ir_initializer_t *val = create_initializer_tarval(tv);
+ set_initializer_compound_value(initializer, i, val);
}
-
- set_array_entity_values(entity, tvs, slen);
- free(tvs);
+ set_entity_initializer(entity, initializer);
return create_symconst(dbgi, mode_P_data, entity);
}
/* make sure the type is constructed */
(void) get_ir_type(type);
+ /* for gcc compatibility we have to produce (dummy) addresses for some
+ * builtins */
+ if (entity->kind == ENTITY_FUNCTION && entity->function.btk != bk_none) {
+ if (warning.other) {
+ warningf(&ref->base.source_position,
+ "taking address of builtin '%Y'", ref->entity->base.symbol);
+ }
+
+ /* simply create a NULL pointer */
+ ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
+ ir_node *res = new_Const_long(mode, 0);
+
+ return res;
+ }
+
switch ((declaration_kind_t) entity->declaration.kind) {
case DECLARATION_KIND_UNKNOWN:
break;
}
case DECLARATION_KIND_FUNCTION: {
ir_mode *const mode = get_ir_mode_storage(type);
-
- if (entity->function.btk != bk_none) {
- /* for gcc compatibility we have to produce (dummy) addresses for some
- * builtins */
- if (warning.other) {
- warningf(&ref->base.source_position,
- "taking address of builtin '%Y'", ref->entity->base.symbol);
- }
-
- /* simply create a NULL pointer */
- ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
- ir_node *res = new_Const_long(mode, 0);
-
- return res;
- }
return create_symconst(dbgi, mode, entity->function.irentity);
}
case DECLARATION_KIND_INNER_FUNCTION: {
ir_type *tp = get_ir_type(function_type);
ir_type *res = get_method_res_type(tp, 0);
- ir_node *irn = new_d_Builtin(db, get_irg_no_mem(current_ir_graph), kind, 1, in, tp);
+ ir_node *irn = new_d_Builtin(db, get_irg_no_mem(current_ir_graph), 1, in, kind, tp);
set_irn_pinned(irn, op_pin_state_floats);
return new_Proj(irn, get_type_mode(res), pn_Builtin_1_result);
}
ir_type *tp = get_ir_type(function_type);
ir_type *res = get_method_res_type(tp, 0);
ir_node *mem = get_store();
- ir_node *irn = new_d_Builtin(db, mem, kind, 1, in, tp);
+ ir_node *irn = new_d_Builtin(db, mem, 1, in, kind, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return new_Proj(irn, get_type_mode(res), pn_Builtin_1_result);
}
ir_type *tp = get_ir_type(function_type);
ir_node *mem = get_store();
- ir_node *irn = new_d_Builtin(db, mem, kind, 2, in, tp);
+ ir_node *irn = new_d_Builtin(db, mem, 2, in, kind, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
}
case bk_gnu_builtin_huge_val:
+ case bk_gnu_builtin_huge_valf:
+ case bk_gnu_builtin_huge_vall:
case bk_gnu_builtin_inf:
case bk_gnu_builtin_inff:
case bk_gnu_builtin_infl: {
in[0] = expression_to_firm(expression);
in[1] = get_irg_frame(current_ir_graph);
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_frame_addess, 2, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), 2, in, ir_bk_frame_address, tp);
return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
}
}
in[0] = expression_to_firm(expression);
in[1] = get_irg_frame(current_ir_graph);
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_return_address, 2, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), 2, in, ir_bk_return_address, tp);
return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
}
case bk_gnu_builtin_ffs:
in[2] = new_Const_long(mode_int, 3);
}
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_prefetch, 3, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 3, in, ir_bk_prefetch, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
case bk_ms__ud2:
{
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_trap, 0, NULL, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 0, NULL, ir_bk_trap, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
case bk_ms__debugbreak: {
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_debugbreak, 0, NULL, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), 0, NULL, ir_bk_debugbreak, tp);
set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
}
in[0] = new_Const_long(mode_int, 0);
in[1] = get_irg_frame(current_ir_graph);
ir_type *tp = get_ir_type(function_type);
- ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_return_address, 2, in, tp);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), 2, in, ir_bk_return_address, tp);
return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
}
case bk_ms_rotl:
/* we need to construct a new method type matching the call
* arguments... */
+ type_dbg_info *tdbgi = get_type_dbg_info_((const type_t*) function_type);
int n_res = get_method_n_ress(ir_method_type);
- new_method_type = new_d_type_method(id_unique("calltype.%u"),
- n_parameters, n_res, dbgi);
+ new_method_type = new_d_type_method(n_parameters, n_res, tdbgi);
set_method_calling_convention(new_method_type,
get_method_calling_convention(ir_method_type));
set_method_additional_properties(new_method_type,
ir_node *store = get_store();
ir_node *node = new_d_Call(dbgi, store, callee, n_parameters, in,
ir_method_type);
- ir_node *mem = new_d_Proj(dbgi, node, mode_M, pn_Call_M_regular);
+ ir_node *mem = new_d_Proj(dbgi, node, mode_M, pn_Call_M);
set_store(mem);
type_t *return_type = skip_typeref(function_type->return_type);
} 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);
+ ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M);
set_store(copyb_mem);
}
}
}
}
+static ir_node *create_cast(dbg_info *dbgi, ir_node *value_node,
+ type_t *from_type, type_t *type)
+{
+ type = skip_typeref(type);
+ if (!is_type_scalar(type)) {
+ /* make sure firm type is constructed */
+ (void) get_ir_type(type);
+ return value_node;
+ }
+
+ from_type = skip_typeref(from_type);
+ ir_mode *mode = get_ir_mode_storage(type);
+ /* check for conversion from / to __based types */
+ if (is_type_pointer(type) && is_type_pointer(from_type)) {
+ const variable_t *from_var = from_type->pointer.base_variable;
+ const variable_t *to_var = type->pointer.base_variable;
+ if (from_var != to_var) {
+ if (from_var != NULL) {
+ ir_node *const addr = get_global_var_address(dbgi, from_var);
+ ir_node *const base = deref_address(dbgi, from_var->base.type, addr);
+ value_node = new_d_Add(dbgi, value_node, base, get_ir_mode_storage(from_type));
+ }
+ if (to_var != NULL) {
+ ir_node *const addr = get_global_var_address(dbgi, to_var);
+ ir_node *const base = deref_address(dbgi, to_var->base.type, addr);
+ value_node = new_d_Sub(dbgi, value_node, base, mode);
+ }
+ }
+ }
+
+ if (is_type_atomic(type, ATOMIC_TYPE_BOOL)) {
+ /* bool adjustments (we save a mode_Bu, but have to temporarily
+ * convert to mode_b so we only get a 0/1 value */
+ value_node = create_conv(dbgi, value_node, mode_b);
+ }
+
+ ir_mode *mode_arith = get_ir_mode_arithmetic(type);
+ ir_node *node = create_conv(dbgi, value_node, mode);
+ node = do_strict_conv(dbgi, node);
+ node = create_conv(dbgi, node, mode_arith);
+
+ return node;
+}
+
static ir_node *unary_expression_to_firm(const unary_expression_t *expression)
{
dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
case EXPR_UNARY_PREFIX_INCREMENT:
case EXPR_UNARY_PREFIX_DECREMENT:
return create_incdec(expression);
+ case EXPR_UNARY_CAST_IMPLICIT:
case EXPR_UNARY_CAST: {
ir_node *value_node = expression_to_firm(value);
- if (is_type_scalar(type)) {
- ir_mode *mode = get_ir_mode_storage(type);
- type_t *from_type = skip_typeref(value->base.type);
- /* check for conversion from / to __based types */
- if (is_type_pointer(type) && is_type_pointer(from_type)) {
- const variable_t *from_var = from_type->pointer.base_variable;
- const variable_t *to_var = type->pointer.base_variable;
- if (from_var != to_var) {
- if (from_var != NULL) {
- ir_node *const addr = get_global_var_address(dbgi, from_var);
- ir_node *const base = deref_address(dbgi, from_var->base.type, addr);
- value_node = new_d_Add(dbgi, value_node, base, get_ir_mode_storage(from_type));
- }
- if (to_var != NULL) {
- ir_node *const addr = get_global_var_address(dbgi, to_var);
- ir_node *const base = deref_address(dbgi, to_var->base.type, addr);
- value_node = new_d_Sub(dbgi, value_node, base, mode);
- }
- }
- }
- ir_node *node = create_conv(dbgi, value_node, mode);
- node = do_strict_conv(dbgi, node);
- ir_mode *mode_arith = get_ir_mode_arithmetic(type);
- node = create_conv(dbgi, node, mode_arith);
- return node;
- } else {
- /* make sure firm type is constructed */
- (void) get_ir_type(type);
- return value_node;
- }
- }
- case EXPR_UNARY_CAST_IMPLICIT: {
- ir_node *value_node = expression_to_firm(value);
- if (is_type_scalar(type)) {
- ir_mode *mode = get_ir_mode_storage(type);
- ir_node *res = create_conv(dbgi, value_node, mode);
- ir_mode *mode_arith = get_ir_mode_arithmetic(type);
- res = create_conv(dbgi, res, mode_arith);
- return res;
- } else {
- return value_node;
- }
+ type_t *from_type = value->base.type;
+ return create_cast(dbgi, value_node, from_type, type);
}
case EXPR_UNARY_ASSUME:
if (firm_opt.confirm)
dbg_info *const dbgi = get_dbg_info(&expression->base.source_position);
const expression_t *left_expr = expression->left;
type_t *type = skip_typeref(left_expr->base.type);
- ir_mode *left_mode = get_ir_mode_storage(type);
ir_node *right = expression_to_firm(expression->right);
ir_node *left_addr = expression_to_addr(left_expr);
ir_node *left = get_value_from_lvalue(left_expr, left_addr);
ir_node *result = create_op(dbgi, expression, left, right);
- result = create_conv(dbgi, result, left_mode);
+ result = create_cast(dbgi, result, expression->right->base.type, type);
result = do_strict_conv(dbgi, result);
result = set_value_for_expression_addr(left_expr, result, left_addr);
ir_entity *const entity = new_d_entity(frame_type, id, irtype, dbgi);
set_entity_ld_ident(entity, id);
- set_entity_variability(entity, variability_uninitialized);
-
/* create initialisation code */
initializer_t *initializer = expression->initializer;
create_local_initializer(initializer, dbgi, entity, type);
*/
static ir_node *sizeof_to_firm(const typeprop_expression_t *expression)
{
- type_t *type = expression->type;
- if (type == NULL) {
- type = expression->tp_expression->base.type;
- assert(type != NULL);
- }
-
- type = skip_typeref(type);
+ type_t *const type = skip_typeref(expression->type);
/* §6.5.3.4:2 if the type is a VLA, evaluate the expression. */
if (is_type_array(type) && type->array.is_vla
&& expression->tp_expression != NULL) {
* Pointer to a label. This is used for the
* GNU address-of-label extension.
*/
-static ir_node *label_address_to_firm(
- const label_address_expression_t *label)
+static ir_node *label_address_to_firm(const label_address_expression_t *label)
{
- ir_node *block = get_label_block(label->label);
- ir_label_t nr = get_Block_label(block);
+ dbg_info *dbgi = get_dbg_info(&label->base.source_position);
+ ir_node *block = get_label_block(label->label);
+ ir_entity *entity = create_Block_entity(block);
- if (nr == 0) {
- nr = get_irp_next_label_nr();
- set_Block_label(block, nr);
- }
symconst_symbol value;
- value.label = nr;
- return new_SymConst(mode_P_code, value, symconst_label);
+ value.entity_p = entity;
+ return new_d_SymConst(dbgi, mode_P_code, value, symconst_addr_ent);
}
/**
variable->declaration.kind = (unsigned char) declaration_kind;
variable->variable.v.entity = irentity;
- set_entity_variability(irentity, variability_uninitialized);
set_entity_ld_ident(irentity, create_ld_ident(variable));
- if (parent_type == get_tls_type())
- set_entity_allocation(irentity, allocation_automatic);
- else if (declaration_kind == DECLARATION_KIND_GLOBAL_VARIABLE)
- set_entity_allocation(irentity, allocation_static);
-
if (type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
set_entity_volatility(irentity, volatility_is_volatile);
}
}
assert(iter != NULL);
+ /* revert previous initialisations of other union elements */
+ if (type->kind == TYPE_COMPOUND_UNION) {
+ ir_initializer_t *initializer = top->initializer;
+ if (initializer != NULL
+ && get_initializer_kind(initializer) == IR_INITIALIZER_COMPOUND) {
+ /* are we writing to a new element? */
+ ir_initializer_t *oldi
+ = get_initializer_compound_value(initializer, index);
+ if (get_initializer_kind(oldi) == IR_INITIALIZER_NULL) {
+ /* clear initializer */
+ size_t len
+ = get_initializer_compound_n_entries(initializer);
+ ir_initializer_t *nulli = get_initializer_null();
+ for (size_t i = 0; i < len; ++i) {
+ set_initializer_compound_value(initializer, i,
+ nulli);
+ }
+ }
+ }
+ }
+
top->type = orig_type;
top->compound_entry = iter;
top->index = index;
type_t *type = skip_typeref(top->type);
if (is_type_union(type)) {
+ /* only the first element is initialized in unions */
top->compound_entry = NULL;
} else if (is_type_struct(type)) {
entity_t *entry = top->compound_entry;
if (is_type_compound(initializer->value->base.type)) {
panic("initializer creation for compounds not implemented yet");
}
- ir_node *value = expression_to_firm(initializer->value);
- type_t *type = initializer->value->base.type;
+ type_t *type = initializer->value->base.type;
+ expression_t *expr = initializer->value;
+ if (initializer_use_bitfield_basetype) {
+ type_t *skipped = skip_typeref(type);
+ if (skipped->kind == TYPE_BITFIELD) {
+ /* remove the bitfield cast... */
+ assert(expr->kind == EXPR_UNARY_CAST_IMPLICIT);
+ expr = expr->unary.value;
+ type = skipped->bitfield.base_type;
+ }
+ }
+ ir_node *value = expression_to_firm(expr);
ir_mode *mode = get_ir_mode_storage(type);
value = create_conv(NULL, value, mode);
return create_initializer_const(value);
panic("unknown initializer");
}
-static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi,
- ir_node *base_addr)
-{
- if (is_atomic_type(type)) {
- ir_mode *mode = get_type_mode(type);
- tarval *zero = get_mode_null(mode);
- ir_node *cnst = new_d_Const(dbgi, zero);
-
- /* TODO: bitfields */
- ir_node *mem = get_store();
- ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst, cons_none);
- ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
- set_store(proj_m);
- } else {
- assert(is_compound_type(type));
-
- int n_members;
- if (is_Array_type(type)) {
- assert(has_array_upper_bound(type, 0));
- n_members = get_array_upper_bound_int(type, 0);
- } else {
- n_members = get_compound_n_members(type);
- }
-
- for (int i = 0; i < n_members; ++i) {
- ir_node *addr;
- ir_type *irtype;
- if (is_Array_type(type)) {
- ir_entity *entity = get_array_element_entity(type);
- tarval *index_tv = new_tarval_from_long(i, mode_uint);
- ir_node *cnst = new_d_Const(dbgi, index_tv);
- ir_node *in[1] = { cnst };
- irtype = get_array_element_type(type);
- addr = new_d_Sel(dbgi, new_NoMem(), base_addr, 1, in, entity);
- } else {
- ir_entity *member = get_compound_member(type, i);
-
- irtype = get_entity_type(member);
- addr = new_d_simpleSel(dbgi, new_NoMem(), base_addr, member);
- }
-
- create_dynamic_null_initializer(irtype, dbgi, addr);
- }
- }
-}
-
static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
ir_entity *entity, ir_type *type, dbg_info *dbgi, ir_node *base_addr)
{
switch(get_initializer_kind(initializer)) {
case IR_INITIALIZER_NULL: {
- create_dynamic_null_initializer(type, dbgi, base_addr);
+ /* NULL is undefined for dynamic initializers */
return;
}
case IR_INITIALIZER_CONST: {
}
if (!is_constant_initializer(initializer)) {
+ bool old_initializer_use_bitfield_basetype
+ = initializer_use_bitfield_basetype;
+ initializer_use_bitfield_basetype = true;
ir_initializer_t *irinitializer
= create_ir_initializer(initializer, type);
+ initializer_use_bitfield_basetype
+ = old_initializer_use_bitfield_basetype;
create_dynamic_initializer(irinitializer, dbgi, entity);
return;
ir_entity *const init_entity = new_d_entity(global_type, id, irtype, dbgi);
set_entity_ld_ident(init_entity, id);
- set_entity_variability(init_entity, variability_initialized);
- set_entity_visibility(init_entity, visibility_local);
- set_entity_allocation(init_entity, allocation_static);
+ set_entity_visibility(init_entity, ir_visibility_local);
+ add_entity_linkage(init_entity, IR_LINKAGE_CONSTANT);
set_entity_initializer(init_entity, irinitializer);
ir_node *const src_addr = create_symconst(dbgi, mode_P_data, init_entity);
ir_node *const copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
- ir_node *const copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ ir_node *const copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M);
set_store(copyb_mem);
}
ir_entity *irentity = entity->variable.v.entity;
- if (tq & TYPE_QUALIFIER_CONST) {
- set_entity_variability(irentity, variability_constant);
- } else {
- set_entity_variability(irentity, variability_initialized);
+ if (tq & TYPE_QUALIFIER_CONST
+ && get_entity_owner(irentity) != get_tls_type()) {
+ add_entity_linkage(irentity, IR_LINKAGE_CONSTANT);
}
set_atomic_ent_value(irentity, value);
}
= create_ir_initializer(initializer, type);
if (tq & TYPE_QUALIFIER_CONST) {
- set_entity_variability(irentity, variability_constant);
- } else {
- set_entity_variability(irentity, variability_initialized);
+ add_entity_linkage(irentity, IR_LINKAGE_CONSTANT);
}
set_entity_initializer(irentity, irinitializer);
}
size_t l = strlen(entity->base.symbol->string);
char buf[l + sizeof(".%u")];
snprintf(buf, sizeof(buf), "%s.%%u", entity->base.symbol->string);
- ident *const id = id_unique(buf);
-
+ ident *const id = id_unique(buf);
ir_entity *const irentity = new_d_entity(var_type, id, irtype, dbgi);
if (type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
entity->variable.v.entity = irentity;
set_entity_ld_ident(irentity, id);
- set_entity_variability(irentity, variability_uninitialized);
- set_entity_visibility(irentity, visibility_local);
- set_entity_allocation(irentity, entity->variable.thread_local ?
- allocation_automatic : allocation_static);
+ set_entity_visibility(irentity, ir_visibility_local);
ir_graph *const old_current_ir_graph = current_ir_graph;
current_ir_graph = get_const_code_irg();
static void create_global_variable(entity_t *entity)
{
+ ir_linkage linkage = 0;
+ ir_visibility visibility = ir_visibility_default;
+ ir_entity *irentity;
assert(entity->kind == ENTITY_VARIABLE);
- ir_visibility vis;
switch ((storage_class_tag_t)entity->declaration.storage_class) {
- case STORAGE_CLASS_STATIC: vis = visibility_local; break;
- case STORAGE_CLASS_EXTERN: vis = visibility_external_allocated; break;
- case STORAGE_CLASS_NONE: vis = visibility_external_visible; break;
-
- default: panic("Invalid storage class for global variable");
+ case STORAGE_CLASS_EXTERN: visibility = ir_visibility_external; break;
+ case STORAGE_CLASS_STATIC: visibility = ir_visibility_local; break;
+ case STORAGE_CLASS_NONE:
+ visibility = ir_visibility_default;
+ /* uninitialized globals get merged in C */
+ if (entity->variable.initializer == NULL)
+ linkage |= IR_LINKAGE_MERGE;
+ break;
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_AUTO:
+ case STORAGE_CLASS_REGISTER:
+ panic("invalid storage class for global var");
}
- ir_type *var_type = entity->variable.thread_local ?
- get_tls_type() : get_glob_type();
- create_variable_entity(entity,
- DECLARATION_KIND_GLOBAL_VARIABLE, var_type);
- set_entity_visibility(entity->variable.v.entity, vis);
+ ir_type *var_type = get_glob_type();
+ if (entity->variable.thread_local) {
+ var_type = get_tls_type();
+ /* LINKAGE_MERGE not supported by current linkers */
+ linkage &= ~IR_LINKAGE_MERGE;
+ }
+ create_variable_entity(entity, DECLARATION_KIND_GLOBAL_VARIABLE, var_type);
+ irentity = entity->variable.v.entity;
+ add_entity_linkage(irentity, linkage);
+ set_entity_visibility(irentity, visibility);
}
static void create_local_declaration(entity_t *entity)
switch ((storage_class_tag_t) entity->declaration.storage_class) {
case STORAGE_CLASS_STATIC:
- create_local_static_variable(entity);
+ if (entity->kind == ENTITY_FUNCTION) {
+ (void)get_function_entity(entity, NULL);
+ } else {
+ create_local_static_variable(entity);
+ }
return;
case STORAGE_CLASS_EXTERN:
if (entity->kind == ENTITY_FUNCTION) {
static void switch_statement_to_firm(switch_statement_t *statement)
{
- dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
+ ir_node *first_block = NULL;
+ dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
+ ir_node *cond = NULL;
- ir_node *expression = expression_to_firm(statement->expression);
- ir_node *cond = new_d_Cond(dbgi, expression);
+ if (get_cur_block() != NULL) {
+ ir_node *expression = expression_to_firm(statement->expression);
+ cond = new_d_Cond(dbgi, expression);
+ first_block = get_cur_block();
+ }
set_cur_block(NULL);
add_immBlock_pred(get_break_label(), jmp);
}
- if (!saw_default_label) {
- set_cur_block(get_nodes_block(cond));
+ if (!saw_default_label && first_block != NULL) {
+ set_cur_block(first_block);
ir_node *const proj = new_d_defaultProj(dbgi, cond,
statement->default_proj_nr);
add_immBlock_pred(get_break_label(), proj);
ir_node *const fallthrough = (get_cur_block() == NULL ? NULL : new_Jmp());
ir_node *proj;
- ir_node *block = new_immBlock();
-
- set_cur_block(get_nodes_block(current_switch_cond));
- if (statement->expression != NULL) {
- long pn = statement->first_case;
- long end_pn = statement->last_case;
- assert(pn <= end_pn);
- /* create jumps for all cases in the given range */
- do {
- proj = new_d_Proj(dbgi, current_switch_cond, mode_X, pn);
- add_immBlock_pred(block, proj);
- } while (pn++ < end_pn);
- } else {
- saw_default_label = true;
- proj = new_d_defaultProj(dbgi, current_switch_cond,
- current_switch->default_proj_nr);
+ ir_node *block = new_immBlock();
- add_immBlock_pred(block, proj);
+ if (current_switch_cond != NULL) {
+ set_cur_block(get_nodes_block(current_switch_cond));
+ if (statement->expression != NULL) {
+ long pn = statement->first_case;
+ long end_pn = statement->last_case;
+ assert(pn <= end_pn);
+ /* create jumps for all cases in the given range */
+ do {
+ proj = new_d_Proj(dbgi, current_switch_cond, mode_X, pn);
+ add_immBlock_pred(block, proj);
+ } while (pn++ < end_pn);
+ } else {
+ saw_default_label = true;
+ proj = new_d_defaultProj(dbgi, current_switch_cond,
+ current_switch->default_proj_nr);
+
+ add_immBlock_pred(block, proj);
+ }
}
if (fallthrough != NULL) {
char buf[64];
ir_node *value = get_value_from_lvalue(expr, addr);
- snprintf(buf, sizeof(buf), "%u", pos);
+ snprintf(buf, sizeof(buf), "%u", (unsigned) out_size);
ir_asm_constraint constraint;
constraint.pos = pos;
if (entity->function.need_closure) {
/* add an extra parameter for the static link */
- entity->function.static_link = new_r_Proj(irg, start_block, args, mode_P_data, 0);
+ entity->function.static_link = new_r_Proj(start_block, args, mode_P_data, 0);
++first_param_nr;
}
ir_mode *param_mode = get_type_mode(param_irtype);
long pn = n + first_param_nr;
- ir_node *value = new_r_Proj(irg, start_block, args, param_mode, pn);
+ ir_node *value = new_r_Proj(start_block, args, param_mode, pn);
ir_mode *mode = get_ir_mode_storage(type);
value = create_conv(NULL, value, mode);
const char *unique_template)
{
ir_type *method_type = get_entity_type(method);
- ident *id = id_unique(unique_template);
- ir_type *ptr_type = new_type_pointer(id, method_type, mode_P_code);
+ ir_type *ptr_type = new_type_pointer(method_type);
+ /* these entities don't really have a name but firm only allows
+ * "" in ld_ident.
+ * Note that we mustn't give these entities a name since for example
+ * Mach-O doesn't allow them. */
ident *ide = id_unique(unique_template);
ir_entity *ptr = new_entity(segment, ide, ptr_type);
ir_graph *irg = get_const_code_irg();
ir_node *val = new_rd_SymConst_addr_ent(NULL, irg, mode_P_code,
method, NULL);
+ set_entity_ld_ident(ptr, new_id_from_chars("", 0));
set_entity_compiler_generated(ptr, 1);
- set_entity_variability(ptr, variability_constant);
+ set_entity_visibility(ptr, ir_visibility_local);
+ add_entity_linkage(ptr, IR_LINKAGE_CONSTANT|IR_LINKAGE_HIDDEN_USER);
set_atomic_ent_value(ptr, val);
}
(void)get_function_entity(entity, NULL);
} else if (entity->kind == ENTITY_VARIABLE) {
create_global_variable(entity);
+ } else if (entity->kind == ENTITY_NAMESPACE) {
+ scope_to_firm(&entity->namespacee.members);
}
}
obstack_init(&asm_obst);
init_atomic_modes();
+ ir_set_debug_retrieve(dbg_retrieve);
+ ir_set_type_debug_retrieve(dbg_print_type_dbg_info);
+
/* OS option must be set to the backend */
switch (firm_opt.os_support) {
case OS_SUPPORT_MINGW:
projects / cparser / blobdiff