dbg_info *dbgi = get_dbg_info(&type->type.source_position);
ir_type *ir_type = new_d_type_array(id, 1, ir_element_type, dbgi);
+ const int align = get_type_alignment_bytes(ir_element_type);
+ set_type_alignment_bytes(ir_type, align);
+
if(type->size != NULL) {
int n_elements = fold_constant(type->size);
set_array_bounds_int(ir_type, 0, 0, n_elements);
size_t elemsize = get_type_size_bytes(ir_element_type);
- int align = get_type_alignment_bytes(ir_element_type);
if(elemsize % align > 0) {
elemsize += align - (elemsize % align);
}
set_type_size_bytes(ir_type, n_elements * elemsize);
- set_type_alignment_bytes(ir_type, align);
- set_type_state(ir_type, layout_fixed);
} else {
set_array_lower_bound_int(ir_type, 0, 0);
}
+ set_type_state(ir_type, layout_fixed);
return ir_type;
}
#define INVALID_TYPE ((ir_type_ptr)-1)
-static ir_type *create_struct_type(compound_type_t *type)
+static ir_type *create_union_type(compound_type_t *type, ir_type *irtype,
+ size_t *outer_offset, size_t *outer_align);
+
+static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype,
+ size_t *outer_offset, size_t *outer_align)
{
declaration_t *declaration = type->declaration;
if(declaration->v.irtype != NULL) {
return declaration->v.irtype;
}
- symbol_t *symbol = declaration->symbol;
- ident *id;
- if(symbol != NULL) {
- id = unique_ident(symbol->string);
- } else {
- id = unique_ident("__anonymous_struct");
- }
- dbg_info *dbgi = get_dbg_info(&type->type.source_position);
- ir_type *irtype = new_d_type_struct(id, dbgi);
-
- type->type.firm_type = irtype;
-
size_t align_all = 1;
size_t offset = 0;
size_t bit_offset = 0;
+ if(irtype == NULL) {
+ symbol_t *symbol = declaration->symbol;
+ ident *id;
+ if(symbol != NULL) {
+ id = unique_ident(symbol->string);
+ } else {
+ id = unique_ident("__anonymous_struct");
+ }
+ dbg_info *dbgi = get_dbg_info(&type->type.source_position);
+
+ irtype = new_d_type_struct(id, dbgi);
+
+ declaration->v.irtype = irtype;
+ type->type.firm_type = irtype;
+ } else {
+ offset = *outer_offset;
+ align_all = *outer_align;
+ }
+
declaration_t *entry = declaration->scope.declarations;
for( ; entry != NULL; entry = entry->next) {
if(entry->namespc != NAMESPACE_NORMAL)
continue;
- type_t *entry_type = skip_typeref(entry->type);
+ symbol_t *symbol = entry->symbol;
+ type_t *entry_type = skip_typeref(entry->type);
+ dbg_info *dbgi = get_dbg_info(&entry->source_position);
+ ident *ident;
+ if(symbol != NULL) {
+ ident = new_id_from_str(symbol->string);
+ } else {
+ if(entry_type->kind == TYPE_COMPOUND_STRUCT) {
+ create_struct_type(&entry_type->compound, irtype, &offset,
+ &align_all);
+ continue;
+ } else if(entry_type->kind == TYPE_COMPOUND_UNION) {
+ create_union_type(&entry_type->compound, irtype, &offset,
+ &align_all);
+ continue;
+ } else {
+ assert(entry_type->kind == TYPE_BITFIELD);
+ }
+ ident = unique_ident("anon");
+ }
+
ir_type *base_irtype;
if(entry_type->kind == TYPE_BITFIELD) {
base_irtype = get_ir_type(entry_type->bitfield.base);
size_t entry_alignment = get_type_alignment_bytes(base_irtype);
size_t misalign = offset % entry_alignment;
- dbg_info *dbgi = get_dbg_info(&entry->source_position);
- ir_entity *entity = NULL;
- if(entry->symbol != NULL) {
- ident *ident = new_id_from_str(entry->symbol->string);
- ir_type *entry_irtype = get_ir_type(entry_type);
- entity = new_d_entity(irtype, ident, entry_irtype, dbgi);
- } else {
- /* only bitfields are allowed to be anonymous */
- assert(entry_type->kind == TYPE_BITFIELD);
- }
+ ir_type *entry_irtype = get_ir_type(entry_type);
+ ir_entity *entity = new_d_entity(irtype, ident, entry_irtype, dbgi);
size_t base;
size_t bits_remainder;
align_all = entry_alignment;
}
- if(entity != NULL) {
- set_entity_offset(entity, base);
- set_entity_offset_bits_remainder(entity,
- (unsigned char) bits_remainder);
- add_struct_member(irtype, entity);
- entry->declaration_kind = DECLARATION_KIND_COMPOUND_MEMBER;
- assert(entry->v.entity == NULL);
- entry->v.entity = entity;
- }
+ set_entity_offset(entity, base);
+ set_entity_offset_bits_remainder(entity,
+ (unsigned char) bits_remainder);
+ //add_struct_member(irtype, entity);
+ entry->declaration_kind = DECLARATION_KIND_COMPOUND_MEMBER;
+ assert(entry->v.entity == NULL);
+ entry->v.entity = entity;
}
size_t misalign = offset % align_all;
if(misalign > 0 || bit_offset > 0) {
offset += align_all - misalign;
}
- set_type_alignment_bytes(irtype, align_all);
- set_type_size_bytes(irtype, offset);
- set_type_state(irtype, layout_fixed);
- declaration->v.irtype = irtype;
+ if(outer_offset != NULL) {
+ *outer_offset = offset;
+ *outer_align = align_all;
+ } else {
+ set_type_alignment_bytes(irtype, align_all);
+ set_type_size_bytes(irtype, offset);
+ set_type_state(irtype, layout_fixed);
+ }
return irtype;
}
-static ir_type *create_union_type(compound_type_t *type)
+static ir_type *create_union_type(compound_type_t *type, ir_type *irtype,
+ size_t *outer_offset, size_t *outer_align)
{
declaration_t *declaration = type->declaration;
if(declaration->v.irtype != NULL) {
return declaration->v.irtype;
}
- symbol_t *symbol = declaration->symbol;
- ident *id;
- if(symbol != NULL) {
- id = unique_ident(symbol->string);
+ size_t offset = 0;
+ size_t align_all = 1;
+ size_t size = 0;
+
+ if(irtype == NULL) {
+ symbol_t *symbol = declaration->symbol;
+ ident *id;
+ if(symbol != NULL) {
+ id = unique_ident(symbol->string);
+ } else {
+ id = unique_ident("__anonymous_union");
+ }
+ dbg_info *dbgi = get_dbg_info(&type->type.source_position);
+
+ irtype = new_d_type_union(id, dbgi);
} else {
- id = unique_ident("__anonymous_union");
+ offset = *outer_offset;
+ align_all = *outer_align;
}
- dbg_info *dbgi = get_dbg_info(&type->type.source_position);
- ir_type *irtype = new_d_type_union(id, dbgi);
type->type.firm_type = irtype;
- int align_all = 1;
- int size = 0;
declaration_t *entry = declaration->scope.declarations;
for( ; entry != NULL; entry = entry->next) {
if(entry->namespc != NAMESPACE_NORMAL)
continue;
- ident *ident = new_id_from_str(entry->symbol->string);
- ir_type *entry_ir_type = get_ir_type(entry->type);
+ type_t *entry_type = skip_typeref(entry->type);
+ ir_type *entry_ir_type = get_ir_type(entry_type);
- int entry_size = get_type_size_bytes(entry_ir_type);
- int entry_alignment = get_type_alignment_bytes(entry_ir_type);
+ ident *ident;
+ if(entry->symbol != NULL) {
+ ident = new_id_from_str(entry->symbol->string);
+ } else {
+ size_t offs = offset;
+ if(entry_type->kind == TYPE_COMPOUND_STRUCT) {
+ create_struct_type(&entry_type->compound, irtype, &offs,
+ &align_all);
+ continue;
+ } else if(entry_type->kind == TYPE_COMPOUND_UNION) {
+ create_union_type(&entry_type->compound, irtype, &offs,
+ &align_all);
+ continue;
+ } else {
+ panic("anonymous union member must be struct or union");
+ }
+ size_t entry_size = offs - offset;
+ if(entry_size > size) {
+ size = entry_size;
+ }
+ ident = unique_ident("anon");
+ }
+
+ size_t entry_size = get_type_size_bytes(entry_ir_type);
+ size_t entry_alignment = get_type_alignment_bytes(entry_ir_type);
dbg_info *const dbgi = get_dbg_info(&entry->source_position);
ir_entity *const entity = new_d_entity(irtype, ident, entry_ir_type,
dbgi);
- add_union_member(irtype, entity);
+ //add_union_member(irtype, entity);
set_entity_offset(entity, 0);
entry->declaration_kind = DECLARATION_KIND_COMPOUND_MEMBER;
assert(entry->v.entity == NULL);
}
}
- set_type_alignment_bytes(irtype, align_all);
- set_type_size_bytes(irtype, size);
- set_type_state(irtype, layout_fixed);
+ if(outer_offset != NULL) {
+ assert(*outer_offset == offset);
- declaration->v.irtype = irtype;
+ size_t misalign = offset % align_all;
+ if (misalign != 0)
+ size += align_all - misalign;
+ *outer_offset += size;
+
+ if(align_all > *outer_align) {
+ if(align_all % *outer_align != 0) {
+ panic("uneven alignments not supported yet");
+ }
+ *outer_align = align_all;
+ }
+ } else {
+ set_type_alignment_bytes(irtype, align_all);
+ set_type_size_bytes(irtype, size);
+ set_type_state(irtype, layout_fixed);
+ declaration->v.irtype = irtype;
+ }
return irtype;
}
firm_type = create_array_type(&type->array);
break;
case TYPE_COMPOUND_STRUCT:
- firm_type = create_struct_type(&type->compound);
+ firm_type = create_struct_type(&type->compound, NULL, NULL, NULL);
break;
case TYPE_COMPOUND_UNION:
- firm_type = create_union_type(&type->compound);
+ firm_type = create_union_type(&type->compound, NULL, NULL, NULL);
break;
case TYPE_ENUM:
firm_type = create_enum_type(&type->enumt);
return declaration->declaration_kind == DECLARATION_KIND_LOCAL_VARIABLE;
}
-static pn_Cmp get_pnc(const expression_kind_t kind)
+static pn_Cmp get_pnc(const expression_kind_t kind, type_t *const type)
{
switch(kind) {
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_NOTEQUAL:
+ return is_type_float(skip_typeref(type)) ? pn_Cmp_Ne : pn_Cmp_Lg;
case EXPR_BINARY_ISLESS:
case EXPR_BINARY_LESS: return pn_Cmp_Lt;
case EXPR_BINARY_ISLESSEQUAL:
ir_node *res = NULL;
pn_Cmp cmp_val;
- cmp_val = get_pnc(expression->base.kind);
+ cmp_val = get_pnc(expression->base.kind, op1->base.type);
if (is_local_variable(op1) && is_local_variable(op2)) {
var = op1->reference.declaration;
ir_node *left = expression_to_firm(expression->left);
ir_node *right = expression_to_firm(expression->right);
ir_node *cmp = new_d_Cmp(dbgi, left, right);
- long pnc = get_pnc(kind);
+ long pnc = get_pnc(kind, expression->left->base.type);
ir_node *proj = new_d_Proj(dbgi, cmp, mode_b, pnc);
return proj;
}
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 void create_ir_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)
return path;
}
-static void create_initializer_value(initializer_value_t *initializer,
- ir_entity *entity,
- compound_graph_path_entry_t *entry,
- int len)
+static void create_ir_initializer_value(initializer_value_t *initializer,
+ ir_entity *entity,
+ compound_graph_path_entry_t *entry,
+ int len)
{
ir_node *node = expression_to_firm(initializer->value);
ir_type *type = get_entity_type(entity);
add_compound_ent_value_w_path(entity, node, path);
}
-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)
+static void create_ir_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;
== DECLARATION_KIND_COMPOUND_MEMBER);
if(sub_initializer->kind == INITIALIZER_VALUE) {
- create_initializer_value(&sub_initializer->value,
- entity, &entry, len);
+ create_ir_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);
+ create_ir_initializer_object(sub_initializer, entry_type, entity,
+ &entry, len);
}
++i;
}
}
-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 void create_ir_initializer_array(initializer_list_t *initializer,
+ array_type_t *type, ir_entity *entity,
+ compound_graph_path_entry_t *last_entry,
+ int len)
{
type_t *element_type = type->element_type;
element_type = skip_typeref(element_type);
initializer_t *sub_initializer = initializer->initializers[i];
if(sub_initializer->kind == INITIALIZER_VALUE) {
- create_initializer_value(&sub_initializer->value,
+ create_ir_initializer_value(&sub_initializer->value,
entity, &entry, len);
} else {
- create_initializer_object(sub_initializer, element_type, entity,
+ create_ir_initializer_object(sub_initializer, element_type, entity,
&entry, len);
}
}
#endif
}
-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 create_ir_initializer_string(initializer_string_t *initializer,
+ array_type_t *type, ir_entity *entity,
+ compound_graph_path_entry_t *last_entry, int len)
{
type_t *element_type = type->element_type;
element_type = skip_typeref(element_type);
}
}
-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)
+static void create_ir_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);
}
}
-static void create_initializer_object(initializer_t *initializer, type_t *type,
- ir_entity *entity, compound_graph_path_entry_t *entry, int len)
+static void create_ir_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;
switch (initializer->kind) {
case INITIALIZER_STRING: {
initializer_string_t *const string = &initializer->string;
- create_initializer_string(string, array_type, entity, entry, len);
+ create_ir_initializer_string(string, array_type, entity, entry,
+ len);
return;
}
case INITIALIZER_WIDE_STRING: {
- initializer_wide_string_t *const string = &initializer->wide_string;
- create_initializer_wide_string(string, array_type, entity, entry, len);
+ initializer_wide_string_t *const string
+ = &initializer->wide_string;
+ create_ir_initializer_wide_string(string, array_type, entity,
+ entry, len);
return;
}
case INITIALIZER_LIST: {
initializer_list_t *const list = &initializer->list;
- create_initializer_array(list, array_type, entity, entry, len);
+ create_ir_initializer_array(list, array_type, entity, entry,
+ len);
return;
}
assert(is_type_compound(type));
compound_type_t *compound_type = &type->compound;
- create_initializer_compound(list, compound_type, entity, entry, len);
+ create_ir_initializer_compound(list, compound_type, entity, entry, len);
}
}
current_ir_graph = get_const_code_irg();
type_t *const type = skip_typeref(declaration->type);
- create_initializer_object(initializer, type, init_entity, NULL, 0);
+ create_ir_initializer_object(initializer, type, init_entity, NULL, 0);
assert(current_ir_graph == get_const_code_irg());
current_ir_graph = old_current_ir_graph;
set_store(copyb_mem);
}
-static void create_initializer(declaration_t *declaration)
+static void create_ir_initializer(declaration_t *declaration)
{
initializer_t *initializer = declaration->init.initializer;
if(initializer == NULL)
set_entity_variability(entity, variability_initialized);
type_t *type = skip_typeref(declaration->type);
- create_initializer_object(initializer, type, entity, NULL, 0);
+ create_ir_initializer_object(initializer, type, entity, NULL, 0);
}
}
++next_value_number_function;
}
- create_initializer(declaration);
+ create_ir_initializer(declaration);
}
static void create_local_static_variable(declaration_t *declaration)
ir_graph *const old_current_ir_graph = current_ir_graph;
current_ir_graph = get_const_code_irg();
- create_initializer(declaration);
+ create_ir_initializer(declaration);
assert(current_ir_graph == get_const_code_irg());
current_ir_graph = old_current_ir_graph;
return result;
}
+static void create_global_variable(declaration_t *declaration)
+{
+ 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;
+
+ 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_KIND_GLOBAL_VARIABLE,
+ var_type);
+ set_entity_visibility(declaration->v.entity, vis);
+
+ return;
+
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_AUTO:
+ case STORAGE_CLASS_REGISTER:
+ case STORAGE_CLASS_ENUM_ENTRY:
+ break;
+ }
+ panic("Invalid storage class for global variable");
+}
+
static void create_local_declaration(declaration_t *declaration)
{
if(declaration->symbol == NULL)
case STORAGE_CLASS_ENUM_ENTRY:
panic("enum entry declaration in local block found");
case STORAGE_CLASS_EXTERN:
- panic("extern declaration in local block found");
+ create_global_variable(declaration);
+ create_ir_initializer(declaration);
+ return;
case STORAGE_CLASS_NONE:
case STORAGE_CLASS_AUTO:
case STORAGE_CLASS_REGISTER:
if(is_type_function(type)) {
- panic("nested functions not supported yet");
+ if(declaration->init.statement != NULL) {
+ panic("nested functions not supported yet");
+ } else {
+ get_function_entity(declaration);
+ }
} else {
create_local_variable(declaration);
}
}
EXPR_UNARY_CASES
return count_decls_in_expression(expression->unary.value);
+ case EXPR_CALL: {
+ int count = 0;
+ call_argument_t *argument = expression->call.arguments;
+ for( ; argument != NULL; argument = argument->next) {
+ count += count_decls_in_expression(argument->expression);
+ }
+ return count;
+ }
default:
break;
irg_vrfy(irg);
}
-static void create_global_variable(declaration_t *declaration)
-{
- 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;
-
- 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_KIND_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;
- }
- panic("Invalid storage class for global variable");
-}
-
static void scope_to_firm(scope_t *scope)
{
/* first pass: create declarations */
}
}
- /* second pass: create code */
+ /* second pass: create code/initializers */
declaration = scope->declarations;
for( ; declaration != NULL; declaration = declaration->next) {
if(declaration->namespc != NAMESPACE_NORMAL)
continue;
type_t *type = declaration->type;
- if(type->kind != TYPE_FUNCTION)
- continue;
-
- create_function(declaration);
+ if(type->kind == TYPE_FUNCTION) {
+ create_function(declaration);
+ } else {
+ assert(declaration->declaration_kind
+ == DECLARATION_KIND_GLOBAL_VARIABLE);
+ current_ir_graph = get_const_code_irg();
+ create_ir_initializer(declaration);
+ }
}
}
projects / cparser / blobdiff