#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)
{
const declaration_t *declaration = get_irg_loc_description(irg, pos);
- warningf(declaration->source_position,
+ warningf(&declaration->source_position,
"variable '%#T' might be used uninitialized",
declaration->type, declaration->symbol);
return new_r_Unknown(irg, mode);
return (dbg_info*) pos;
}
-static unsigned unique_id = 0;
-
-static ident *unique_ident(const char *tag)
-{
- char buf[256];
-
- snprintf(buf, sizeof(buf), "%s.%u", tag, unique_id);
- unique_id++;
- return new_id_from_str(buf);
-}
-
-/**
- * Return the signed integer mode of size bytes.
- *
- * @param size the size
- */
-static ir_mode *get_smode(unsigned size)
-{
- static ir_mode *s_modes[16 + 1] = {0, };
- ir_mode *res;
-
- if (size <= 0 || size > 16)
- return NULL;
+static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST+1];
- res = s_modes[size];
- if (res == NULL) {
- unsigned bits;
- char name[32];
+static ir_mode *mode_int, *mode_uint;
- bits = size * 8;
- snprintf(name, sizeof(name), "i%u", bits);
- res = new_ir_mode(name, irms_int_number, bits, 1, irma_twos_complement,
- bits <= machine_size ? machine_size : bits );
+static ir_node *expression_to_firm(const expression_t *expression);
+static inline ir_mode *get_ir_mode(type_t *type);
- s_modes[size] = res;
+static ir_mode *init_atomic_ir_mode(atomic_type_kind_t kind)
+{
+ unsigned flags = get_atomic_type_flags(kind);
+ unsigned size = get_atomic_type_size(kind);
+ if( (flags & (ATOMIC_TYPE_FLAG_INTEGER | ATOMIC_TYPE_FLAG_FLOAT))
+ && !(flags & ATOMIC_TYPE_FLAG_COMPLEX)) {
+ char name[64];
+ mode_sort sort;
+ unsigned bit_size = size * 8;
+ bool is_signed = (flags & ATOMIC_TYPE_FLAG_SIGNED) != 0;
+ mode_arithmetic arithmetic;
+ unsigned modulo_shift;
+
+ if(flags & ATOMIC_TYPE_FLAG_INTEGER) {
+ assert(! (flags & ATOMIC_TYPE_FLAG_FLOAT));
+ snprintf(name, sizeof(name), "i%s%d", is_signed?"":"u", bit_size);
+ sort = irms_int_number;
+ arithmetic = irma_twos_complement;
+ modulo_shift = bit_size < machine_size ? machine_size : bit_size;
+ } else {
+ assert(flags & ATOMIC_TYPE_FLAG_FLOAT);
+ snprintf(name, sizeof(name), "f%d", bit_size);
+ sort = irms_float_number;
+ arithmetic = irma_ieee754;
+ modulo_shift = 0;
+ }
+ return new_ir_mode(name, sort, bit_size, is_signed, arithmetic,
+ modulo_shift);
}
- return res;
-}
-
-/**
- * Return the unsigned integer mode of size bytes.
- *
- * @param size the size
- */
-static ir_mode *get_umode(unsigned size)
-{
- static ir_mode *u_modes[16 + 1] = {0, };
- ir_mode *res;
-
- if (size <= 0 || size > 16)
- return NULL;
- res = u_modes[size];
- if (res == NULL) {
- unsigned bits;
- char name[32];
-
- bits = size * 8;
- snprintf(name, sizeof(name), "u%u", bits);
- res = new_ir_mode(name, irms_int_number, bits, 0, irma_twos_complement,
- bits <= machine_size ? machine_size : bits );
-
- u_modes[size] = res;
- }
- return res;
+ return NULL;
}
/**
- * Return the pointer mode of size bytes.
- *
- * @param size the size
+ * Initialises the atomic modes depending on the machine size.
*/
-static ir_mode *get_ptrmode(unsigned size, char *name)
+static void init_atomic_modes(void)
{
- static ir_mode *p_modes[16 + 1] = {0, };
- ir_mode *res;
-
- if (size <= 0 || size > 16)
- return NULL;
-
- res = p_modes[size];
- if (res == NULL) {
- unsigned bits;
- char buf[32];
-
- bits = size * 8;
- if (name == NULL) {
- snprintf(buf, sizeof(buf), "p%u", bits);
- name = buf;
- }
- res = new_ir_mode(name, irms_reference, bits, 0, irma_twos_complement,
- bits <= machine_size ? machine_size : bits);
-
- p_modes[size] = res;
-
- set_reference_mode_signed_eq(res, get_smode(size));
- set_reference_mode_unsigned_eq(res, get_umode(size));
+ for(int i = 0; i <= ATOMIC_TYPE_LAST; ++i) {
+ _atomic_modes[i] = init_atomic_ir_mode((atomic_type_kind_t) i);
}
- return res;
-}
+ mode_int = _atomic_modes[ATOMIC_TYPE_INT];
+ mode_uint = _atomic_modes[ATOMIC_TYPE_UINT];
-static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST+1];
+ /* there's no real void type in firm */
+ _atomic_modes[ATOMIC_TYPE_VOID] = mode_int;
-static ir_mode *mode_int, *mode_uint;
+ /* initialize pointer modes */
+ char name[64];
+ mode_sort sort = irms_reference;
+ unsigned bit_size = machine_size;
+ bool is_signed = 0;
+ mode_arithmetic arithmetic = irma_twos_complement;
+ unsigned modulo_shift
+ = bit_size < machine_size ? machine_size : bit_size;
-static ir_node *expression_to_firm(const expression_t *expression);
-static inline ir_mode *get_ir_mode(type_t *type);
+ snprintf(name, sizeof(name), "p%d", machine_size);
+ ir_mode *ptr_mode = new_ir_mode(name, sort, bit_size, is_signed, arithmetic,
+ modulo_shift);
-/**
- * Initialises the atomic modes depending on the machine size.
- */
-static void init_atomic_modes(void) {
- unsigned int_size = machine_size < 32 ? 2 : 4;
- unsigned long_size = machine_size < 64 ? 4 : 8;
- unsigned llong_size = machine_size < 32 ? 4 : 8;
-
- /* firm has no real void... */
- _atomic_modes[ATOMIC_TYPE_VOID] = mode_T;
- _atomic_modes[ATOMIC_TYPE_CHAR] = char_is_signed ? get_smode(1) : get_umode(1);
- _atomic_modes[ATOMIC_TYPE_SCHAR] = get_smode(1);
- _atomic_modes[ATOMIC_TYPE_UCHAR] = get_umode(1);
- _atomic_modes[ATOMIC_TYPE_SHORT] = get_smode(2);
- _atomic_modes[ATOMIC_TYPE_USHORT] = get_umode(2);
- _atomic_modes[ATOMIC_TYPE_INT] = get_smode(int_size);
- _atomic_modes[ATOMIC_TYPE_UINT] = get_umode(int_size);
- _atomic_modes[ATOMIC_TYPE_LONG] = get_smode(long_size);
- _atomic_modes[ATOMIC_TYPE_ULONG] = get_umode(long_size);
- _atomic_modes[ATOMIC_TYPE_LONGLONG] = get_smode(llong_size);
- _atomic_modes[ATOMIC_TYPE_ULONGLONG] = get_umode(llong_size);
- _atomic_modes[ATOMIC_TYPE_FLOAT] = mode_F;
- _atomic_modes[ATOMIC_TYPE_DOUBLE] = mode_D;
- _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = mode_E;
- _atomic_modes[ATOMIC_TYPE_BOOL] = get_umode(int_size);
-
- _atomic_modes[ATOMIC_TYPE_BOOL] = _atomic_modes[ATOMIC_TYPE_INT];
- _atomic_modes[ATOMIC_TYPE_FLOAT_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_FLOAT];
- _atomic_modes[ATOMIC_TYPE_DOUBLE_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_DOUBLE];
- _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE];
+ set_reference_mode_signed_eq(ptr_mode, _atomic_modes[get_intptr_kind()]);
+ set_reference_mode_unsigned_eq(ptr_mode, _atomic_modes[get_uintptr_kind()]);
/* Hmm, pointers should be machine size */
- set_modeP_data(get_ptrmode(machine_size >> 3, NULL));
- set_modeP_code(get_ptrmode(machine_size >> 3, NULL));
-
- mode_int = _atomic_modes[ATOMIC_TYPE_INT];
- mode_uint = _atomic_modes[ATOMIC_TYPE_UINT];
-}
-
-static ir_mode *get_atomic_mode(const atomic_type_t* atomic_type)
-{
- ir_mode *res = NULL;
- if ((unsigned)atomic_type->akind <= (unsigned)ATOMIC_TYPE_LAST)
- res = _atomic_modes[(unsigned)atomic_type->akind];
- if (res == NULL)
- panic("Encountered unknown atomic type");
- return res;
+ set_modeP_data(ptr_mode);
+ set_modeP_code(ptr_mode);
}
static unsigned get_compound_type_size(compound_type_t *type)
panic("error type occured");
case TYPE_ATOMIC:
return get_atomic_type_size(type->atomic.akind);
+ case TYPE_COMPLEX:
+ return 2 * get_atomic_type_size(type->complex.akind);
+ case TYPE_IMAGINARY:
+ return get_atomic_type_size(type->imaginary.akind);
case TYPE_ENUM:
return get_mode_size_bytes(mode_int);
case TYPE_COMPOUND_UNION:
return count;
}
-
+/**
+ * Creates a Firm type for an atomic type
+ */
static ir_type *create_atomic_type(const atomic_type_t *type)
{
- dbg_info *dbgi = get_dbg_info(&type->type.source_position);
- ir_mode *mode = get_atomic_mode(type);
- ident *id = get_mode_ident(mode);
- ir_type *irtype = new_d_type_primitive(id, mode, dbgi);
+ dbg_info *dbgi = get_dbg_info(&type->base.source_position);
+ atomic_type_kind_t kind = type->akind;
+ ir_mode *mode = _atomic_modes[kind];
+ ident *id = get_mode_ident(mode);
+ ir_type *irtype = new_d_type_primitive(id, mode, dbgi);
- /* TODO: this is x86 specific, we should fiddle this into
- * lang_features.h somehow... */
- if(type->akind == ATOMIC_TYPE_LONG_DOUBLE
- || type->akind == ATOMIC_TYPE_DOUBLE
- || type->akind == ATOMIC_TYPE_LONGLONG
- || type->akind == ATOMIC_TYPE_ULONGLONG) {
- set_type_alignment_bytes(irtype, 4);
- }
+ set_type_alignment_bytes(irtype, type->base.alignment);
+
+ return irtype;
+}
+
+/**
+ * Creates a Firm type for a complex type
+ */
+static ir_type *create_complex_type(const complex_type_t *type)
+{
+ dbg_info *dbgi = get_dbg_info(&type->base.source_position);
+ atomic_type_kind_t kind = type->akind;
+ ir_mode *mode = _atomic_modes[kind];
+ ident *id = get_mode_ident(mode);
+
+ (void) id;
+ (void) dbgi;
+
+ /* FIXME: finish the array */
+ return NULL;
+}
+
+/**
+ * Creates a Firm type for an imaginary type
+ */
+static ir_type *create_imaginary_type(const imaginary_type_t *type)
+{
+ dbg_info *dbgi = get_dbg_info(&type->base.source_position);
+ atomic_type_kind_t kind = type->akind;
+ ir_mode *mode = _atomic_modes[kind];
+ ident *id = get_mode_ident(mode);
+ ir_type *irtype = new_d_type_primitive(id, mode, dbgi);
+
+ set_type_alignment_bytes(irtype, type->base.alignment);
return irtype;
}
{
type_t *return_type = function_type->return_type;
- ident *id = unique_ident("functiontype");
+ ident *id = id_unique("functiontype.%u");
int n_parameters = count_parameters(function_type);
int n_results = return_type == type_void ? 0 : 1;
- dbg_info *dbgi = get_dbg_info(&function_type->type.source_position);
+ dbg_info *dbgi = get_dbg_info(&function_type->base.source_position);
ir_type *irtype = new_d_type_method(id, n_parameters, n_results, dbgi);
if(return_type != type_void) {
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->type.source_position);
- ir_type *ir_type = new_d_type_pointer(unique_ident("pointer"),
- ir_type_void, mode_P_data, dbgi);
- type->type.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;
}
type_t *element_type = type->element_type;
ir_type *ir_element_type = get_ir_type(element_type);
- ident *id = unique_ident("array");
- dbg_info *dbgi = get_dbg_info(&type->type.source_position);
+ ident *id = id_unique("array.%u");
+ dbg_info *dbgi = get_dbg_info(&type->base.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);
static ir_type *create_bitfield_type(bitfield_type_t *const type)
{
- type_t *base = skip_typeref(type->base);
+ type_t *base = skip_typeref(type->base_type);
assert(base->kind == TYPE_ATOMIC);
ir_type *irbase = get_ir_type(base);
#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 = unique_ident(symbol->string);
+ id = new_id_from_str(symbol->string);
} else {
- id = unique_ident("__anonymous_struct");
+ if (is_union) {
+ id = id_unique("__anonymous_union.%u");
+ } else {
+ id = id_unique("__anonymous_struct.%u");
+ }
}
- dbg_info *dbgi = get_dbg_info(&type->type.source_position);
+ 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->type.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);
}
- ident = unique_ident("anon");
+ ident = id_unique("anon.%u");
}
ir_type *base_irtype;
if(entry_type->kind == TYPE_BITFIELD) {
- base_irtype = get_ir_type(entry_type->bitfield.base);
+ base_irtype = get_ir_type(entry_type->bitfield.base_type);
} else {
base_irtype = get_ir_type(entry_type);
}
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 = 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);
-
- declaration->v.irtype = irtype;
- type->type.firm_type = irtype;
- } else {
- offset = *outer_offset;
- align_all = *outer_align;
- }
-
- type->type.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 = unique_ident("anon");
+ 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;
static ir_type *create_enum_type(enum_type_t *const type)
{
- type->type.firm_type = ir_type_int;
+ type->base.firm_type = ir_type_int;
ir_mode *const mode = mode_int;
tarval *const one = get_mode_one(mode);
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 occured");
+ panic("error type occurred");
case TYPE_ATOMIC:
firm_type = create_atomic_type(&type->atomic);
break;
+ case TYPE_COMPLEX:
+ firm_type = create_complex_type(&type->complex);
+ break;
+ case TYPE_IMAGINARY:
+ firm_type = create_imaginary_type(&type->imaginary);
+ break;
case TYPE_FUNCTION:
firm_type = create_method_type(&type->function);
break;
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);
{ rts_strncmp, 1, "strncmp", 3, _C89 }
};
+/**
+ * Mangles an entity linker (ld) name for win32 usage.
+ *
+ * @param ent the entity to be mangled
+ * @param declaration the declaration
+ */
+static ident *create_ld_ident_win32(ir_entity *ent, declaration_t *declaration)
+{
+ ident *id;
+
+ if (is_Method_type(get_entity_type(ent)))
+ id = decorate_win32_c_fkt(ent, get_entity_ident(ent));
+ else {
+ /* always add an underscore in win32 */
+ 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(id_imp, id);
+ }
+ return id;
+}
+
+/**
+ * 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(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_elf;
+
static ir_entity* get_function_entity(declaration_t *declaration)
{
if(declaration->declaration_kind == DECLARATION_KIND_FUNCTION)
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, id);
+ 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);
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);
}
static ir_node *create_symconst(dbg_info *dbgi, ir_mode *mode,
- ir_entity *entity)
+ ir_entity *entity)
{
assert(entity != NULL);
union symconst_symbol sym;
{
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(unique_ident("strtype"), 1,
+ ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1,
ir_type_const_char, dbgi);
- ident *const id = unique_ident(id_prefix);
+ 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);
static ir_node *string_literal_to_firm(
const string_literal_expression_t* literal)
{
- return string_to_firm(&literal->base.source_position, "Lstr",
+ return string_to_firm(&literal->base.source_position, "Lstr.%u",
&literal->value);
}
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(unique_ident("strtype"), 1,
+ ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1,
elem_type, dbgi);
- ident *const id = unique_ident("Lstr");
+ 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);
return create_symconst(dbgi, mode_P_data, entity);
}
-static ir_node *deref_address(ir_type *const irtype, ir_node *const addr,
+static ir_node *deref_address(type_t *const type, ir_node *const addr,
dbg_info *const dbgi)
{
- if (is_compound_type(irtype) ||
- is_Method_type(irtype) ||
- is_Array_type(irtype)) {
+ ir_type *irtype = get_ir_type(type);
+ if (is_compound_type(irtype)
+ || is_Method_type(irtype)
+ || is_Array_type(irtype)) {
return addr;
}
ir_node *const load = new_d_Load(dbgi, memory, addr, mode);
ir_node *const load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M);
ir_node *const load_res = new_d_Proj(dbgi, load, mode, pn_Load_res);
+
+ if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
+ set_Load_volatility(load, volatility_is_volatile);
+ }
+
set_store(load_mem);
return load_res;
}
{
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_GLOBAL_VARIABLE: {
ir_node *const addr = get_global_var_address(dbgi, declaration);
- ir_type *const irtype = get_entity_type(declaration->v.entity);
- return deref_address(irtype, addr, dbgi);
+ return deref_address(declaration->type, addr, dbgi);
}
case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY: {
ir_entity *entity = declaration->v.entity;
ir_node *frame = get_local_frame(entity);
ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, entity);
- ir_type *irtype = get_entity_type(entity);
- return deref_address(irtype, sel, dbgi);
+ return deref_address(declaration->type, sel, dbgi);
}
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(unique_ident("calltype"),
- n_parameters, n_res, dbgi);
+ new_method_type = new_d_type_method(id_unique("calltype.%u"),
+ 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,
if(is_type_scalar(type)) {
ir_node *store = new_d_Store(dbgi, memory, addr, value);
ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
+ if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE)
+ set_Store_volatility(store, volatility_is_volatile);
set_store(store_mem);
} else {
ir_type *irtype = get_ir_type(type);
assert(select->kind == EXPR_SELECT);
type_t *type = select->base.type;
assert(type->kind == TYPE_BITFIELD);
- ir_mode *mode = get_ir_mode(type->bitfield.base);
+ 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);
ir_node *store = new_d_Store(dbgi, load_mem, addr, new_val);
ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M);
set_store(store_mem);
+
+ if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
+ set_Load_volatility(load, volatility_is_volatile);
+ set_Store_volatility(store, volatility_is_volatile);
+ }
}
static void set_value_for_expression(const expression_t *expression,
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);
type_t *type = select->base.type;
assert(type->kind == TYPE_BITFIELD);
- ir_mode *mode = get_ir_mode(type->bitfield.base);
+ ir_mode *mode = get_ir_mode(type->bitfield.base_type);
dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
ir_node *addr = expression_to_addr(select);
ir_node *mem = get_store();
case EXPR_UNARY_DEREFERENCE: {
ir_node *value_node = expression_to_firm(value);
type_t *value_type = skip_typeref(value->base.type);
- ir_type *irtype = get_ir_type(value_type);
- assert(is_Pointer_type(irtype));
- ir_type *points_to = get_pointer_points_to_type(irtype);
+ assert(is_type_pointer(value_type));
+ type_t *points_to = value_type->pointer.points_to;
return deref_address(points_to, value_node, dbgi);
}
case EXPR_UNARY_POSTFIX_INCREMENT:
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;
type_t *type = revert_automatic_type_conversion(
(const expression_t*) expression);
type = skip_typeref(type);
- ir_type *irtype = get_ir_type(type);
- return deref_address(irtype, addr, dbgi);
+ return deref_address(type, addr, dbgi);
}
static long get_offsetof_offset(const offsetof_expression_t *expression)
/* create an entity on the stack */
ir_type *frame_type = get_irg_frame_type(current_ir_graph);
- ident *const id = unique_ident("CompLit");
+ ident *const id = id_unique("CompLit.%u");
ir_type *const irtype = get_ir_type(type);
dbg_info *const dbgi = get_dbg_info(&expression->base.source_position);
ir_entity *const entity = new_d_entity(frame_type, id, irtype, dbgi);
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;
type_t *type = revert_automatic_type_conversion(
(const expression_t*) expression);
type = skip_typeref(type);
- ir_type *irtype = get_ir_type(type);
- return deref_address(irtype, addr, dbgi);
+ return deref_address(type, addr, dbgi);
}
/* Values returned by __builtin_classify_type. */
{
case TYPE_ATOMIC: {
const atomic_type_t *const atomic_type = &type->atomic;
- switch ((atomic_type_kind_t) atomic_type->akind) {
+ switch (atomic_type->akind) {
/* should not be reached */
case ATOMIC_TYPE_INVALID:
tc = no_type_class;
case ATOMIC_TYPE_LONG_DOUBLE:
tc = real_type_class;
goto make_const;
-
- case ATOMIC_TYPE_FLOAT_COMPLEX:
- case ATOMIC_TYPE_DOUBLE_COMPLEX:
- case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
- tc = complex_type_class;
- goto make_const;
- case ATOMIC_TYPE_FLOAT_IMAGINARY:
- case ATOMIC_TYPE_DOUBLE_IMAGINARY:
- case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
- tc = complex_type_class;
- goto make_const;
}
panic("Unexpected atomic type in classify_type_to_firm().");
}
+ case TYPE_COMPLEX: tc = complex_type_class; goto make_const;
+ case TYPE_IMAGINARY: tc = complex_type_class; goto make_const;
case TYPE_BITFIELD: tc = integer_type_class; goto make_const;
case TYPE_ARRAY: /* gcc handles this as pointer */
case TYPE_FUNCTION: /* gcc handles this as pointer */
}
static ir_node *function_name_to_firm(
- const string_literal_expression_t *const expr)
-{
- if (current_function_name == NULL) {
- const source_position_t *const src_pos = &expr->base.source_position;
- const char *const name = current_function_decl->symbol->string;
- const string_t string = { name, strlen(name) + 1 };
- current_function_name = string_to_firm(src_pos, "__func__", &string);
- }
-
- return current_function_name;
-}
-
-static ir_node *funcsig_to_firm(
- const string_literal_expression_t *const expr)
-{
- if (current_funcsig == NULL) {
- const source_position_t *const src_pos = &expr->base.source_position;
- ir_entity *ent = get_irg_entity(current_ir_graph);
- const char *const name = get_entity_ld_name(ent);
- const string_t string = { name, strlen(name) + 1 };
- current_funcsig = string_to_firm(src_pos, "__FUNCSIG__", &string);
+ const funcname_expression_t *const expr)
+{
+ switch(expr->kind) {
+ case FUNCNAME_FUNCTION:
+ case FUNCNAME_PRETTY_FUNCTION:
+ case FUNCNAME_FUNCDNAME:
+ if (current_function_name == NULL) {
+ const source_position_t *const src_pos = &expr->base.source_position;
+ const char *const name = current_function_decl->symbol->string;
+ const string_t string = { name, strlen(name) + 1 };
+ current_function_name = string_to_firm(src_pos, "__func__.%u", &string);
+ }
+ return current_function_name;
+ case FUNCNAME_FUNCSIG:
+ if (current_funcsig == NULL) {
+ const source_position_t *const src_pos = &expr->base.source_position;
+ ir_entity *ent = get_irg_entity(current_ir_graph);
+ const char *const name = get_entity_ld_name(ent);
+ const string_t string = { name, strlen(name) + 1 };
+ current_funcsig = string_to_firm(src_pos, "__FUNCSIG__.%u", &string);
+ }
+ return current_funcsig;
}
-
- return current_funcsig;
+ panic("Unsupported function name");
}
static ir_node *statement_expression_to_firm(const statement_expression_t *expr)
static ir_node *va_arg_expression_to_firm(const va_arg_expression_t *const expr)
{
- ir_type *const irtype = get_ir_type(expr->base.type);
+ type_t *const type = expr->base.type;
ir_node *const ap = expression_to_firm(expr->ap);
dbg_info *const dbgi = get_dbg_info(&expr->base.source_position);
- ir_node *const res = deref_address(irtype, ap, dbgi);
+ ir_node *const res = deref_address(type, ap, dbgi);
- ir_node *const cnst = get_type_size(expr->base.type);
- ir_node *const add = new_d_Add(dbgi, ap, cnst, mode_P_data);
+ ir_node *const cnst = get_type_size(expr->base.type);
+ ir_node *const add = new_d_Add(dbgi, ap, cnst, mode_P_data);
set_value_for_expression(expr->ap, add);
return res;
return select_to_firm(&expression->select);
case EXPR_CLASSIFY_TYPE:
return classify_type_to_firm(&expression->classify_type);
- case EXPR_FUNCTION:
- case EXPR_PRETTY_FUNCTION:
- case EXPR_FUNCDNAME:
- return function_name_to_firm(&expression->string);
- case EXPR_FUNCSIG:
- return funcsig_to_firm(&expression->string);
+ case EXPR_FUNCNAME:
+ return function_name_to_firm(&expression->funcname);
case EXPR_STATEMENT:
return statement_expression_to_firm(&expression->statement);
case EXPR_VA_START:
ir_type *parent_type)
{
ident *const id = new_id_from_str(declaration->symbol->string);
- ir_type *const irtype = get_ir_type(declaration->type);
+ type_t *const type = skip_typeref(declaration->type);
+ ir_type *const irtype = get_ir_type(type);
dbg_info *const dbgi = get_dbg_info(&declaration->source_position);
ir_entity *const entity = new_d_entity(parent_type, id, irtype, dbgi);
- set_entity_ld_ident(entity, id);
declaration->declaration_kind = (unsigned char) declaration_kind;
declaration->v.entity = entity;
set_entity_variability(entity, variability_uninitialized);
+ set_entity_ld_ident(entity, create_ld_ident(entity, declaration));
if(parent_type == get_tls_type())
set_entity_allocation(entity, allocation_automatic);
else if(declaration_kind == DECLARATION_KIND_GLOBAL_VARIABLE)
set_entity_allocation(entity, allocation_static);
- /* TODO: visibility? */
+
+ if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
+ set_entity_volatility(entity, volatility_is_volatile);
+ }
}
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);
}
if(i < string_len)
c = string[i];
- tarval *tv = new_tarval_from_long(string[i], mode);
+ tarval *tv = new_tarval_from_long(c, mode);
ir_initializer_t *char_initializer = create_initializer_tarval(tv);
set_initializer_compound_value(irinitializer, i, char_initializer);
if(i < string_len) {
c = string[i];
}
- tarval *tv = new_tarval_from_long(string[i], mode);
+ tarval *tv = new_tarval_from_long(c, mode);
ir_initializer_t *char_initializer = create_initializer_tarval(tv);
set_initializer_compound_value(irinitializer, i, char_initializer);
panic("unknown initializer");
}
-static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
- ir_type *type, dbg_info *dbgi, ir_node *base_addr)
+static void create_dynamic_null_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: {
current_ir_graph = old_current_ir_graph;
/* create a "template" entity which is copied to the entity on the stack */
- ident *const id = unique_ident("initializer");
+ ident *const id = id_unique("initializer.%u");
ir_type *const irtype = get_ir_type(type);
ir_type *const global_type = get_glob_type();
ir_entity *const init_entity = new_d_entity(global_type, id, irtype, dbgi);
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);
return;
} else if(is_type_array(type) || is_type_compound(type)) {
needs_entity = true;
+ } else if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
+ needs_entity = true;
}
if(needs_entity) {
type_t *const type = skip_typeref(declaration->type);
ir_type *const global_type = get_glob_type();
- ident *const id = unique_ident(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);
- set_entity_ld_ident(entity, id);
+
+ if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
+ set_entity_volatility(entity, volatility_is_volatile);
+ }
declaration->declaration_kind = DECLARATION_KIND_GLOBAL_VARIABLE;
declaration->v.entity = entity;
+ set_entity_ld_ident(entity, create_ld_ident(entity, declaration));
set_entity_variability(entity, variability_uninitialized);
set_entity_visibility(entity, visibility_local);
set_entity_allocation(entity, allocation_static);
#endif
}
+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");
+}
+
+static void leave_statement_to_firm(leave_statement_t *statement) {
+ errorf(&statement->base.source_position, "__leave not supported yet");
+}
+
static void statement_to_firm(statement_t *statement)
{
switch(statement->kind) {
case STATEMENT_ASM:
asm_statement_to_firm(&statement->asms);
return;
+ case STATEMENT_MS_TRY:
+ ms_try_statement_to_firm(&statement->ms_try);
+ return;
+ case STATEMENT_LEAVE:
+ leave_statement_to_firm(&statement->leave);
+ return;
}
panic("Statement not implemented\n");
}
case EXPR_WIDE_CHARACTER_CONSTANT:
case EXPR_STRING_LITERAL:
case EXPR_WIDE_STRING_LITERAL:
- case EXPR_FUNCTION:
- case EXPR_PRETTY_FUNCTION:
- case EXPR_FUNCSIG:
- case EXPR_FUNCDNAME:
+ case EXPR_FUNCNAME:
case EXPR_BUILTIN_SYMBOL:
case EXPR_VA_START:
case EXPR_VA_ARG:
}
case STATEMENT_GOTO:
+ case STATEMENT_LEAVE:
case STATEMENT_INVALID:
break;
count += count_decls_in_expression(ret_stmt->value);
break;
}
+
+ case STATEMENT_MS_TRY: {
+ const ms_try_statement_t *const try_stmt = &stmt->ms_try;
+ count += count_decls_in_stmts(try_stmt->try_statement);
+ if(try_stmt->except_expression != NULL)
+ count += count_decls_in_expression(try_stmt->except_expression);
+ count += count_decls_in_stmts(try_stmt->final_statement);
+ break;
+ }
}
}
return count;
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->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();
+ 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);
ir_type_int = get_ir_type(type_int);
ir_type_const_char = get_ir_type(type_const_char);
ir_type_wchar_t = get_ir_type(type_wchar_t);
- ir_type_void = get_ir_type(type_int); /* we don't have a real void
- type in firm */
-
- type_void->base.firm_type = ir_type_void;
+ ir_type_void = get_ir_type(type_void);
}
void exit_ast2firm(void)
projects / cparser / blobdiff