#define MAGIC_DEFAULT_PN_NUMBER (long) -314159265
+/* some idents needed for name mangling */
+static ident *id_underscore;
+static ident *id_imp;
+
static ir_type *ir_type_const_char;
static ir_type *ir_type_wchar_t;
static ir_type *ir_type_void;
DECLARATION_KIND_LOCAL_VARIABLE_ENTITY,
DECLARATION_KIND_COMPOUND_MEMBER,
DECLARATION_KIND_LABEL_BLOCK,
- DECLARATION_KIND_ENUM_ENTRY
+ DECLARATION_KIND_ENUM_ENTRY,
+ DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE,
+ DECLARATION_KIND_COMPOUND_TYPE_COMPLETE
} declaration_kind_t;
static ir_type *get_ir_type(type_t *type);
+static ir_type *get_ir_type_incomplete(type_t *type);
static int count_decls_in_stmts(const statement_t *stmt);
ir_node *uninitialized_local_var(ir_graph *irg, ir_mode *mode, int pos)
static ir_node *expression_to_firm(const expression_t *expression);
static inline ir_mode *get_ir_mode(type_t *type);
+static void create_local_declaration(declaration_t *declaration);
static ir_mode *init_atomic_ir_mode(atomic_type_kind_t kind)
{
if( (flags & (ATOMIC_TYPE_FLAG_INTEGER | ATOMIC_TYPE_FLAG_FLOAT))
&& !(flags & ATOMIC_TYPE_FLAG_COMPLEX)) {
char name[64];
- mode_sort sort;
+ ir_mode_sort sort;
unsigned bit_size = size * 8;
bool is_signed = (flags & ATOMIC_TYPE_FLAG_SIGNED) != 0;
- mode_arithmetic arithmetic;
+ ir_mode_arithmetic arithmetic;
unsigned modulo_shift;
if(flags & ATOMIC_TYPE_FLAG_INTEGER) {
/* initialize pointer modes */
char name[64];
- mode_sort sort = irms_reference;
+ ir_mode_sort sort = irms_reference;
unsigned bit_size = machine_size;
bool is_signed = 0;
- mode_arithmetic arithmetic = irma_twos_complement;
+ ir_mode_arithmetic arithmetic = irma_twos_complement;
unsigned modulo_shift
= bit_size < machine_size ? machine_size : bit_size;
static ir_type *create_pointer_type(pointer_type_t *type)
{
- type_t *points_to = type->points_to;
- ir_type *ir_points_to;
- /* Avoid endless recursion if the points_to type contains this poiner type
- * again (might be a struct). We therefore first create a void* pointer
- * and then set the real points_to type
- */
- dbg_info *dbgi = get_dbg_info(&type->base.source_position);
- ir_type *ir_type = new_d_type_pointer(id_unique("pointer.%u"),
- ir_type_void, mode_P_data, dbgi);
- type->base.firm_type = ir_type;
-
- ir_points_to = get_ir_type(points_to);
- set_pointer_points_to_type(ir_type, ir_points_to);
+ type_t *points_to = type->points_to;
+ ir_type *ir_points_to = get_ir_type_incomplete(points_to);
+ dbg_info *dbgi = get_dbg_info(&type->base.source_position);
+ ir_type *ir_type = new_d_type_pointer(id_unique("pointer.%u"),
+ ir_points_to, mode_P_data, dbgi);
return ir_type;
}
#define INVALID_TYPE ((ir_type_ptr)-1)
-static ir_type *create_union_type(compound_type_t *type, ir_type *irtype,
- size_t *outer_offset, size_t *outer_align);
+enum {
+ COMPOUND_IS_STRUCT = false,
+ COMPOUND_IS_UNION = true
+};
-static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype,
- size_t *outer_offset, size_t *outer_align)
+/**
+ * Construct firm type from ast struct tyep.
+ *
+ * As anonymous inner structs get flattened to a single firm type, we might get
+ * irtype, outer_offset and out_align passed (they represent the position of
+ * the anonymous inner struct inside the resulting firm struct)
+ */
+static ir_type *create_compound_type(compound_type_t *type, ir_type *irtype,
+ size_t *outer_offset, size_t *outer_align,
+ bool incomplete, bool is_union)
{
- declaration_t *declaration = type->declaration;
- if(declaration->v.irtype != NULL) {
+ declaration_t *declaration = type->declaration;
+ declaration_kind_t kind = declaration->declaration_kind;
+
+ if(kind == DECLARATION_KIND_COMPOUND_TYPE_COMPLETE
+ || (kind == DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE
+ && incomplete))
return declaration->v.irtype;
- }
size_t align_all = 1;
size_t offset = 0;
size_t bit_offset = 0;
+ size_t size = 0;
+
if(irtype == NULL) {
symbol_t *symbol = declaration->symbol;
ident *id;
if(symbol != NULL) {
id = new_id_from_str(symbol->string);
} else {
- id = id_unique("__anonymous_struct.%u");
+ if (is_union) {
+ id = id_unique("__anonymous_union.%u");
+ } else {
+ id = id_unique("__anonymous_struct.%u");
+ }
}
dbg_info *dbgi = get_dbg_info(&type->base.source_position);
- irtype = new_d_type_struct(id, dbgi);
+ if (is_union) {
+ irtype = new_d_type_union(id, dbgi);
+ } else {
+ irtype = new_d_type_struct(id, dbgi);
+ }
- declaration->v.irtype = irtype;
- type->base.firm_type = irtype;
+ declaration->declaration_kind
+ = DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE;
+ declaration->v.irtype = irtype;
+ //type->base.firm_type = irtype;
} else {
offset = *outer_offset;
align_all = *outer_align;
}
+ if(incomplete)
+ return irtype;
+
+ declaration->declaration_kind = DECLARATION_KIND_COMPOUND_TYPE_COMPLETE;
+
declaration_t *entry = declaration->scope.declarations;
for( ; entry != NULL; entry = entry->next) {
if(entry->namespc != NAMESPACE_NORMAL)
continue;
+ size_t prev_offset = offset;
+
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;
+ create_compound_type(&entry_type->compound, irtype, &offset,
+ &align_all, false, COMPOUND_IS_STRUCT);
+ goto finished_member;
} else if(entry_type->kind == TYPE_COMPOUND_UNION) {
- create_union_type(&entry_type->compound, irtype, &offset,
- &align_all);
- continue;
+ create_compound_type(&entry_type->compound, irtype, &offset,
+ &align_all, false, COMPOUND_IS_UNION);
+ goto finished_member;
} else {
assert(entry_type->kind == TYPE_BITFIELD);
}
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;
- }
-
- 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, 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;
- }
-
- size_t align_all = 1;
- size_t offset = 0;
- size_t size = 0;
-
- if(irtype == NULL) {
- symbol_t *symbol = declaration->symbol;
- ident *id;
- if(symbol != NULL) {
- id = new_id_from_str(symbol->string);
- } else {
- id = id_unique("__anonymous_union.%u");
- }
- dbg_info *dbgi = get_dbg_info(&type->base.source_position);
-
- irtype = new_d_type_union(id, dbgi);
-
- declaration->v.irtype = irtype;
- type->base.firm_type = irtype;
- } else {
- offset = *outer_offset;
- align_all = *outer_align;
- }
-
- type->base.firm_type = irtype;
-
- declaration_t *entry = declaration->scope.declarations;
- for( ; entry != NULL; entry = entry->next) {
- if(entry->namespc != NAMESPACE_NORMAL)
- continue;
-
- symbol_t *symbol = entry->symbol;
- type_t *entry_type = skip_typeref(entry->type);
- ir_type *entry_ir_type = get_ir_type(entry_type);
-
- ident *ident;
- if(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) {
+finished_member:
+ if (is_union) {
+ size_t entry_size = offset - prev_offset;
+ if (entry_size > size) {
size = entry_size;
}
- ident = id_unique("anon.%u");
+ offset = 0;
+ bit_offset = 0;
}
+ }
- 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);
- set_entity_offset(entity, 0);
- entry->declaration_kind = DECLARATION_KIND_COMPOUND_MEMBER;
- assert(entry->v.entity == NULL);
- entry->v.entity = entity;
+ if (!is_union) {
+ size = offset;
+ }
- if(entry_size > size) {
- size = entry_size;
- }
- if(entry_alignment > align_all) {
- if(entry_alignment % align_all != 0) {
- panic("Uneven alignments not supported yet");
- }
- align_all = entry_alignment;
- }
+ size_t misalign = offset % align_all;
+ if(misalign > 0 || bit_offset > 0) {
+ size += align_all - misalign;
}
if(outer_offset != NULL) {
- assert(*outer_offset == offset);
-
- size_t misalign = offset % align_all;
- if (misalign != 0)
- size += align_all - misalign;
- *outer_offset += size;
+ if (!is_union) {
+ *outer_offset = offset;
+ } else {
+ *outer_offset += size;
+ }
- if(align_all > *outer_align) {
+ if (align_all > *outer_align) {
if(align_all % *outer_align != 0) {
panic("uneven alignments not supported yet");
}
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;
return ir_type_int;
}
+static ir_type *get_ir_type_incomplete(type_t *type)
+{
+ assert(type != NULL);
+ type = skip_typeref(type);
+
+ if (type->base.firm_type != NULL) {
+ assert(type->base.firm_type != INVALID_TYPE);
+ return type->base.firm_type;
+ }
+
+ switch (type->kind) {
+ case TYPE_COMPOUND_STRUCT:
+ return create_compound_type(&type->compound, NULL, NULL, NULL,
+ true, COMPOUND_IS_STRUCT);
+ break;
+ case TYPE_COMPOUND_UNION:
+ return create_compound_type(&type->compound, NULL, NULL, NULL,
+ true, COMPOUND_IS_UNION);
+ default:
+ return get_ir_type(type);
+ }
+}
+
static ir_type *get_ir_type(type_t *type)
{
assert(type != NULL);
type = skip_typeref(type);
- if(type->base.firm_type != NULL) {
+ if (type->base.firm_type != NULL) {
assert(type->base.firm_type != INVALID_TYPE);
return type->base.firm_type;
}
ir_type *firm_type = NULL;
- switch(type->kind) {
+ switch (type->kind) {
case TYPE_ERROR:
panic("error type occurred");
case TYPE_ATOMIC:
firm_type = create_array_type(&type->array);
break;
case TYPE_COMPOUND_STRUCT:
- firm_type = create_struct_type(&type->compound, NULL, NULL, NULL);
+ firm_type = create_compound_type(&type->compound, NULL, NULL, NULL,
+ false, COMPOUND_IS_STRUCT);
break;
case TYPE_COMPOUND_UNION:
- firm_type = create_union_type(&type->compound, NULL, NULL, NULL);
+ firm_type = create_compound_type(&type->compound, NULL, NULL, NULL,
+ false, COMPOUND_IS_UNION);
break;
case TYPE_ENUM:
firm_type = create_enum_type(&type->enumt);
return mode;
}
-static ident *predef_idents[rts_max];
-
/** Names of the runtime functions. */
static const struct {
int id; /**< the rts id */
} rts_data[] = {
{ rts_debugbreak, 0, "__debugbreak", 0, _MS },
{ rts_abort, 0, "abort", 0, _C89 },
+ { rts_alloca, 1, "alloca", 1, _GNUC },
{ rts_abs, 1, "abs", 1, _C89 },
{ rts_labs, 1, "labs", 1, _C89 },
{ rts_llabs, 1, "llabs", 1, _C99 },
{ rts_strncmp, 1, "strncmp", 3, _C89 }
};
+static ident *rts_idents[sizeof(rts_data) / sizeof(rts_data[0])];
+
/**
* Mangles an entity linker (ld) name for win32 usage.
*
- * @param ent the entity to be mangled
- * @param decl_modifiers the set of modifiers for this entity
+ * @param ent the entity to be mangled
+ * @param declaration the declaration
*/
static ident *create_ld_ident_win32(ir_entity *ent, declaration_t *declaration)
{
id = decorate_win32_c_fkt(ent, get_entity_ident(ent));
else {
/* always add an underscore in win32 */
- id = mangle(new_id_from_chars("_", 1), get_entity_ident(ent));
+ id = mangle(id_underscore, get_entity_ident(ent));
}
decl_modifiers_t decl_modifiers = declaration->decl_modifiers;
if (decl_modifiers & DM_DLLIMPORT) {
/* add prefix for imported symbols */
- id = mangle(new_id_from_chars("__imp_", 6), id);
+ id = mangle(id_imp, id);
}
return id;
}
-static ident *create_ld_ident_linux(ir_entity *entity,
- declaration_t *declaration)
+/**
+ * Mangles an entity linker (ld) name for Linux ELF usage.
+ *
+ * @param ent the entity to be mangled
+ * @param declaration the declaration
+ */
+static ident *create_ld_ident_linux_elf(ir_entity *entity,
+ declaration_t *declaration)
{
(void) declaration;
return get_entity_ident(entity);
}
+/**
+ * Mangles an entity linker (ld) name for Mach-O usage.
+ *
+ * @param ent the entity to be mangled
+ * @param declaration the declaration
+ */
static ident *create_ld_ident_macho(ir_entity *ent, declaration_t *declaration)
{
(void) declaration;
- ident *id = mangle(new_id_from_chars("_", 1), get_entity_ident(ent));
+ ident *id = mangle(id_underscore, get_entity_ident(ent));
return id;
}
typedef ident* (*create_ld_ident_func)(ir_entity *entity,
declaration_t *declaration);
-create_ld_ident_func create_ld_ident = create_ld_ident_linux;
+create_ld_ident_func create_ld_ident = create_ld_ident_linux_elf;
static ir_entity* get_function_entity(declaration_t *declaration)
{
dbg_info *const dbgi = get_dbg_info(&declaration->source_position);
ir_entity *const entity = new_d_entity(global_type, id, ir_type_method, dbgi);
set_entity_ld_ident(entity, create_ld_ident(entity, declaration));
+ if(declaration->storage_class == STORAGE_CLASS_STATIC &&
+ declaration->init.statement == NULL) {
+ /* this entity was declared, but never defined */
+ set_entity_peculiarity(entity, peculiarity_description);
+ }
if(declaration->storage_class == STORAGE_CLASS_STATIC
|| declaration->is_inline) {
set_entity_visibility(entity, visibility_local);
set_entity_visibility(entity, visibility_external_visible);
} else {
set_entity_visibility(entity, visibility_external_allocated);
-
- /* We should check for file scope here, but as long as we compile C only
- this is not needed. */
- int n_params = get_method_n_params(ir_type_method);
- int n_res = get_method_n_ress(ir_type_method);
- int i;
-
- if (n_params == 0 && n_res == 0 && id == predef_idents[rts_abort]) {
- /* found abort(), store for later */
- //abort_ent = ent;
- //abort_tp = ftype;
- } else {
- if (! firm_opt.freestanding) {
- /* check for a known runtime function */
- for (i = 0; i < rts_max; ++i) {
- /* ignore those rts functions not necessary needed for current mode */
- if ((c_mode & rts_data[i].flags) == 0)
- continue;
- if (n_params == rts_data[i].n_params && n_res == rts_data[i].n_res &&
- id == predef_idents[rts_data[i].id])
- rts_entities[rts_data[i].id] = entity;
- }
- }
- }
}
set_entity_allocation(entity, allocation_static);
declaration->declaration_kind = DECLARATION_KIND_FUNCTION;
declaration->v.entity = entity;
+ /* We should check for file scope here, but as long as we compile C only
+ this is not needed. */
+ if (! firm_opt.freestanding) {
+ /* check for a known runtime function */
+ for (size_t i = 0; i < sizeof(rts_data) / sizeof(rts_data[0]); ++i) {
+ if (id != rts_idents[i])
+ continue;
+
+ /* ignore those rts functions not necessary needed for current mode */
+ if ((c_mode & rts_data[i].flags) == 0)
+ continue;
+ assert(rts_entities[rts_data[i].id] == NULL);
+ rts_entities[rts_data[i].id] = entity;
+ }
+ }
+
return entity;
}
long long int v = 0;
for (size_t i = 0; i < cnst->v.character.size; ++i) {
- v = (v << 8) | ((unsigned char)cnst->v.character.begin[i]);
+ if (char_is_signed) {
+ v = (v << 8) | ((signed char)cnst->v.character.begin[i]);
+ } else {
+ v = (v << 8) | ((unsigned char)cnst->v.character.begin[i]);
+ }
}
char buf[128];
size_t len = snprintf(buf, sizeof(buf), "%lld", v);
{
ir_mode *mode = get_irn_mode(node);
- if(!(get_irg_fp_model(current_ir_graph) & fp_explicit_rounding))
+ if (!(get_irg_fp_model(current_ir_graph) & fp_explicit_rounding))
return node;
- if(!mode_is_float(mode))
+ if (!mode_is_float(mode))
return node;
/* check if there is already a Conv */
}
}
+static ir_node *create_conv(dbg_info *dbgi, ir_node *value, ir_mode *dest_mode)
+{
+ ir_mode *value_mode = get_irn_mode(value);
+
+ if (value_mode == dest_mode || is_Bad(value))
+ return value;
+
+ if(dest_mode == mode_b) {
+ ir_node *zero = new_Const(value_mode, get_mode_null(value_mode));
+ ir_node *cmp = new_d_Cmp(dbgi, value, zero);
+ ir_node *proj = new_d_Proj(dbgi, cmp, mode_b, pn_Cmp_Lg);
+ return proj;
+ }
+
+ return new_d_Conv(dbgi, value, dest_mode);
+}
+
static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
{
dbg_info *dbgi = get_dbg_info(&ref->base.source_position);
case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY:
return declaration->v.vla_base;
+ case DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE:
+ case DECLARATION_KIND_COMPOUND_TYPE_COMPLETE:
case DECLARATION_KIND_COMPOUND_MEMBER:
case DECLARATION_KIND_LABEL_BLOCK:
panic("not implemented reference type");
case DECLARATION_KIND_ENUM_ENTRY:
panic("trying to reference enum entry");
+ case DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE:
+ case DECLARATION_KIND_COMPOUND_TYPE_COMPLETE:
case DECLARATION_KIND_COMPOUND_MEMBER:
case DECLARATION_KIND_LABEL_BLOCK:
panic("not implemented reference type");
return res;
}
+ case T___builtin_huge_val: {
+ ir_mode *mode = get_ir_mode(function_type->function.return_type);
+ tarval *tv = get_mode_infinite(mode);
+ ir_node *res = new_d_Const(dbgi, mode, tv);
+ return res;
+ }
case T___builtin_nan:
case T___builtin_nanf:
case T___builtin_nand: {
assert(is_type_function(points_to));
function_type_t *function_type = &points_to->function;
- int n_parameters = 0;
- call_argument_t *argument = call->arguments;
- for( ; argument != NULL; argument = argument->next) {
- ++n_parameters;
- }
-
dbg_info *dbgi = get_dbg_info(&call->base.source_position);
+ int n_parameters = 0;
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) {
+ const call_argument_t *argument = call->arguments;
+ for( ; argument != NULL; argument = argument->next) {
+ ++n_parameters;
+ }
+
/* we need to construct a new method type matching the call
* arguments... */
int n_res = get_method_n_ress(ir_method_type);
dbg_info *dbgi = get_dbg_info(&call->base.source_position);
new_method_type = new_d_type_method(id_unique("calltype.%u"),
- n_parameters, n_res, dbgi);
+ n_parameters, n_res, dbgi);
set_method_calling_convention(new_method_type,
get_method_calling_convention(ir_method_type));
set_method_additional_properties(new_method_type,
get_method_additional_properties(ir_method_type));
+ set_method_variadicity(new_method_type,
+ get_method_variadicity(ir_method_type));
for(int i = 0; i < n_res; ++i) {
set_method_res_type(new_method_type, i,
get_method_res_type(ir_method_type, i));
}
+ argument = call->arguments;
+ for(int i = 0; i < n_parameters; ++i, argument = argument->next) {
+ expression_t *expression = argument->expression;
+ ir_type *irtype = get_ir_type(expression->base.type);
+ set_method_param_type(new_method_type, i, irtype);
+ }
+ ir_method_type = new_method_type;
+ } else {
+ n_parameters = get_method_n_params(ir_method_type);
}
+
ir_node *in[n_parameters];
- argument = call->arguments;
- int n = 0;
- for( ; argument != NULL; argument = argument->next) {
+ const call_argument_t *argument = call->arguments;
+ for(int n = 0; n < n_parameters; ++n) {
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.type);
- set_method_param_type(new_method_type, n, irtype);
- }
- n++;
+ argument = argument->next;
}
- assert(n == n_parameters);
-
- if(new_method_type != NULL)
- ir_method_type = new_method_type;
ir_node *store = get_store();
ir_node *node = new_d_Call(dbgi, store, callee, n_parameters, in,
ir_mode *mode = get_ir_mode(type->bitfield.base_type);
ir_node *addr = expression_to_addr(select);
- assert(get_irn_mode(value) == mode);
+ assert(get_irn_mode(value) == mode || is_Bad(value));
dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
assign_value(dbgi, addr, type, value);
}
-static ir_node *create_conv(dbg_info *dbgi, ir_node *value, ir_mode *dest_mode)
-{
- ir_mode *value_mode = get_irn_mode(value);
-
- if (value_mode == dest_mode || is_Bad(value))
- return value;
-
- if(dest_mode == mode_b) {
- ir_node *zero = new_Const(value_mode, get_mode_null(value_mode));
- ir_node *cmp = new_d_Cmp(dbgi, value, zero);
- ir_node *proj = new_d_Proj(dbgi, cmp, mode_b, pn_Cmp_Lg);
- return proj;
- }
-
- return new_d_Conv(dbgi, value, dest_mode);
-}
-
static ir_node *create_incdec(const unary_expression_t *expression)
{
dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
ir_node *base_addr = expression_to_firm(expression->array_ref);
ir_node *offset = expression_to_firm(expression->index);
- offset = create_conv(dbgi, offset, mode_uint);
+
+ /* Matze: it would be better to force mode to mode_uint as this creates more
+ * opportunities for CSE. Unforunately we still have some optimisations that
+ * are too conservative in the presence of convs. So we better go with the
+ * mode of offset and avoid the conv */
+ ir_mode *mode = get_irn_mode(offset);
+ offset = create_conv(dbgi, offset, mode);
type_t *ref_type = skip_typeref(expression->array_ref->base.type);
assert(is_type_pointer(ref_type));
pointer_type_t *pointer_type = &ref_type->pointer;
ir_node *elem_size_const = get_type_size(pointer_type->points_to);
+ elem_size_const = create_conv(dbgi, elem_size_const, mode);
ir_node *real_offset = new_d_Mul(dbgi, offset, elem_size_const,
- mode_uint);
+ mode);
ir_node *result = new_d_Add(dbgi, base_addr, real_offset, mode_P_data);
return result;
ir_node *compound_addr = expression_to_firm(expression->compound);
+ /* make sure the type is constructed */
+ type_t *type = skip_typeref(expression->compound->base.type);
+ if (is_type_pointer(type)) {
+ type = type->pointer.points_to;
+ }
+ (void) get_ir_type(type);
+
declaration_t *entry = expression->compound_entry;
assert(entry->declaration_kind == DECLARATION_KIND_COMPOUND_MEMBER);
ir_entity *entity = entry->v.entity;
static ir_initializer_t *create_ir_initializer_value(
const initializer_value_t *initializer)
{
+ if (is_type_compound(initializer->value->base.type)) {
+ panic("initializer creation for compounds not implemented yet");
+ }
ir_node *value = expression_to_firm(initializer->value);
return create_initializer_const(value);
}
panic("unknown initializer");
}
-#if 0
static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi,
- ir_node *base_addr)
+ ir_node *base_addr)
{
- ir_mode *mode = get_type_mode(type);
- tarval *zero = get_mode_null(mode);
- ir_node *cnst = new_d_Const(dbgi, mode, zero);
-
- /* TODO: bitfields */
- ir_node *mem = get_store();
- ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst);
- ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
- set_store(proj_m);
-}
-#endif
-
-static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
- ir_type *type, dbg_info *dbgi, ir_node *base_addr)
-{
- switch(get_initializer_kind(initializer)) {
- case IR_INITIALIZER_NULL: {
- /* TODO: implement this for compound types... */
- assert(type != NULL);
-
+ 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, mode, zero);
ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst);
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, mode_uint, 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_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);
return;
}
case IR_INITIALIZER_CONST: {
if(initializer->kind == INITIALIZER_VALUE) {
initializer_value_t *initializer_value = &initializer->value;
+ dbg_info *dbgi
+ = get_dbg_info(&declaration->source_position);
ir_node *value = expression_to_firm(initializer_value->value);
+ value = do_strict_conv(dbgi, value);
if(declaration_kind == DECLARATION_KIND_LOCAL_VARIABLE) {
set_value(declaration->v.value_number, value);
set_irg_loc_description(current_ir_graph, next_value_number_function, declaration);
++next_value_number_function;
}
-
- create_declaration_initializer(declaration);
}
static void create_local_static_variable(declaration_t *declaration)
type_t *const type = skip_typeref(declaration->type);
ir_type *const global_type = get_glob_type();
- ident *const id = new_id_from_str(declaration->symbol->string);
ir_type *const irtype = get_ir_type(type);
dbg_info *const dbgi = get_dbg_info(&declaration->source_position);
+
+ size_t l = strlen(declaration->symbol->string);
+ char buf[l + sizeof(".%u")];
+ snprintf(buf, sizeof(buf), "%s.%%u", declaration->symbol->string);
+ ident *const id = id_unique(buf);
+
ir_entity *const entity = new_d_entity(global_type, id, irtype, dbgi);
if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
static ir_node *compound_statement_to_firm(compound_statement_t *compound)
{
+ declaration_t *declaration = compound->scope.declarations;
+ for( ; declaration != NULL; declaration = declaration->next) {
+ create_local_declaration(declaration);
+ }
+
ir_node *result = NULL;
statement_t *statement = compound->statements;
for( ; statement != NULL; statement = statement->base.next) {
- //context2firm(&statement->scope);
-
if(statement->base.next == NULL
&& statement->kind == STATEMENT_EXPRESSION) {
result = expression_statement_to_firm(
static void create_local_declaration(declaration_t *declaration)
{
- if(declaration->symbol == NULL)
+ if (declaration->namespc != NAMESPACE_NORMAL)
+ return;
+ /* construct type */
+ (void) get_ir_type(declaration->type);
+ if (declaration->symbol == NULL) {
return;
+ }
type_t *type = skip_typeref(declaration->type);
panic("invalid storage class found");
}
+static void initialize_local_declaration(declaration_t *declaration)
+{
+ if(declaration->symbol == NULL || declaration->namespc != NAMESPACE_NORMAL)
+ return;
+
+ switch ((declaration_kind_t) declaration->declaration_kind) {
+ case DECLARATION_KIND_LOCAL_VARIABLE:
+ case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY:
+ create_declaration_initializer(declaration);
+ return;
+
+ case DECLARATION_KIND_LABEL_BLOCK:
+ case DECLARATION_KIND_COMPOUND_MEMBER:
+ case DECLARATION_KIND_GLOBAL_VARIABLE:
+ case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY:
+ case DECLARATION_KIND_COMPOUND_TYPE_INCOMPLETE:
+ case DECLARATION_KIND_COMPOUND_TYPE_COMPLETE:
+ case DECLARATION_KIND_FUNCTION:
+ case DECLARATION_KIND_ENUM_ENTRY:
+ return;
+
+ case DECLARATION_KIND_UNKNOWN:
+ panic("can't initialize unknwon declaration");
+ }
+ panic("invalid declaration kind");
+}
+
static void declaration_statement_to_firm(declaration_statement_t *statement)
{
declaration_t *declaration = statement->declarations_begin;
for( ; declaration != end; declaration = declaration->next) {
if(declaration->namespc != NAMESPACE_NORMAL)
continue;
- create_local_declaration(declaration);
+ initialize_local_declaration(declaration);
}
}
declaration_t *declaration = statement->scope.declarations;
for( ; declaration != NULL; declaration = declaration->next) {
create_local_declaration(declaration);
+ initialize_local_declaration(declaration);
}
jmp = new_Jmp();
ir_node *const old_switch_cond = current_switch_cond;
ir_node *const old_break_label = break_label;
const bool old_saw_default_label = saw_default_label;
+ saw_default_label = false;
current_switch_cond = cond;
break_label = break_block;
int n_local_vars = get_function_n_local_vars(declaration);
ir_graph *irg = new_ir_graph(function_entity, n_local_vars);
- ir_node *first_block = get_cur_block();
+
+ set_irg_fp_model(irg, firm_opt.fp_model);
+ tarval_enable_fp_ops((firm_opt.fp_model & fp_strict_algebraic) == 0);
+ set_irn_dbg_info(get_irg_start_block(irg), get_entity_dbg_info(function_entity));
+
+ ir_node *first_block = get_cur_block();
/* set inline flags */
if (declaration->is_inline)
- set_irg_inline_property(irg, irg_inline_recomended);
- handle_decl_modifier_irg(irg, declaration->decl_modifiers);
+ set_irg_inline_property(irg, irg_inline_recomended);
+ handle_decl_modifier_irg(irg, declaration->decl_modifiers);
next_value_number_function = 0;
initialize_function_parameters(declaration);
obstack_init(&asm_obst);
init_atomic_modes();
- (void) create_ld_ident_win32;
- (void) create_ld_ident_linux;
- (void) create_ld_ident_macho;
+ id_underscore = new_id_from_chars("_", 1);
+ id_imp = new_id_from_chars("__imp_", 6);
+
+ /* OS option must be set to the backend */
+ const char *s = "ia32-gasmode=linux";
+ switch (firm_opt.os_support) {
+ case OS_SUPPORT_WIN32:
+ create_ld_ident = create_ld_ident_win32;
+ s = "ia32-gasmode=mingw";
+ break;
+ case OS_SUPPORT_LINUX:
+ create_ld_ident = create_ld_ident_linux_elf;
+ s = "ia32-gasmode=linux"; break;
+ break;
+ case OS_SUPPORT_MACHO:
+ create_ld_ident = create_ld_ident_macho;
+ s = "ia32-gasmode=macho"; break;
+ break;
+ }
+ firm_be_option(s);
/* create idents for all known runtime functions */
for (size_t i = 0; i < sizeof(rts_data) / sizeof(rts_data[0]); ++i) {
- predef_idents[rts_data[i].id] = new_id_from_str(rts_data[i].name);
+ rts_idents[i] = new_id_from_str(rts_data[i].name);
}
}
projects / cparser / blobdiff