test commit
[cparser] / ast2firm.c
index c41b1b8..695b4cb 100644 (file)
@@ -59,6 +59,7 @@ static ir_node **imature_blocks;
 
 static const declaration_t *current_function_decl;
 static ir_node             *current_function_name;
+static ir_node             *current_funcsig;
 
 static struct obstack asm_obst;
 
@@ -81,7 +82,7 @@ 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);
@@ -122,196 +123,79 @@ static ident *unique_ident(const char *tag)
        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;
-}
-
-static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST];
-
-static ir_mode *mode_int, *mode_uint;
-
-static ir_node *expression_to_firm(const expression_t *expression);
-static inline ir_mode *get_ir_mode(type_t *type);
-
-/**
- * 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);
-
-#ifdef PROVIDE_COMPLEX
-       _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];
-#endif
-
-       /* 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;
-}
-
-static unsigned get_atomic_type_size(const atomic_type_t *type)
-{
-       switch(type->akind) {
-       case ATOMIC_TYPE_CHAR:
-       case ATOMIC_TYPE_SCHAR:
-       case ATOMIC_TYPE_UCHAR:
-               return 1;
 
-       case ATOMIC_TYPE_SHORT:
-       case ATOMIC_TYPE_USHORT:
-               return 2;
+       /* there's no real void type in firm */
+       _atomic_modes[ATOMIC_TYPE_VOID] = mode_int;
 
-       case ATOMIC_TYPE_BOOL:
-       case ATOMIC_TYPE_INT:
-       case ATOMIC_TYPE_UINT:
-               return machine_size >> 3;
+       /* 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;
 
-       case ATOMIC_TYPE_LONG:
-       case ATOMIC_TYPE_ULONG:
-               return machine_size > 16 ? machine_size >> 3 : 4;
+       snprintf(name, sizeof(name), "p%d", machine_size);
+       ir_mode *ptr_mode = new_ir_mode(name, sort, bit_size, is_signed, arithmetic,
+                                       modulo_shift);
 
-       case ATOMIC_TYPE_LONGLONG:
-       case ATOMIC_TYPE_ULONGLONG:
-               return machine_size > 16 ? 8 : 4;
+       set_reference_mode_signed_eq(ptr_mode, _atomic_modes[get_intptr_kind()]);
+       set_reference_mode_unsigned_eq(ptr_mode, _atomic_modes[get_uintptr_kind()]);
 
-       case ATOMIC_TYPE_FLOAT:
-               return 4;
-
-       case ATOMIC_TYPE_DOUBLE:
-               return 8;
-
-       case ATOMIC_TYPE_LONG_DOUBLE:
-               return 12;
-
-       case ATOMIC_TYPE_VOID:
-               return 1;
-
-       case ATOMIC_TYPE_INVALID:
-       case ATOMIC_TYPE_LAST:
-               break;
-       }
-       panic("Trying to determine size of invalid atomic type");
+       /* Hmm, pointers should be machine size */
+       set_modeP_data(ptr_mode);
+       set_modeP_code(ptr_mode);
 }
 
 static unsigned get_compound_type_size(compound_type_t *type)
@@ -336,7 +220,7 @@ static unsigned get_type_size_const(type_t *type)
        case TYPE_ERROR:
                panic("error type occured");
        case TYPE_ATOMIC:
-               return get_atomic_type_size(&type->atomic);
+               return get_atomic_type_size(type->atomic.akind);
        case TYPE_ENUM:
                return get_mode_size_bytes(mode_int);
        case TYPE_COMPOUND_UNION:
@@ -397,22 +281,19 @@ static unsigned count_parameters(const function_type_t *function_type)
        return count;
 }
 
-
 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];
+       unsigned            alignment = get_atomic_type_alignment(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);
-       }
+       if(type->base.alignment > alignment)
+               alignment = type->base.alignment;
+
+       set_type_alignment_bytes(irtype, alignment);
 
        return irtype;
 }
@@ -424,7 +305,7 @@ static ir_type *create_method_type(const function_type_t *function_type)
        ident   *id           = unique_ident("functiontype");
        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) {
@@ -455,10 +336,10 @@ static ir_type *create_pointer_type(pointer_type_t *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"),
+       dbg_info *dbgi    = get_dbg_info(&type->base.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;
+       type->base.firm_type  = ir_type;
 
        ir_points_to = get_ir_type(points_to);
        set_pointer_points_to_type(ir_type, ir_points_to);
@@ -472,7 +353,7 @@ static ir_type *create_array_type(array_type_t *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);
+       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);
@@ -569,7 +450,7 @@ static ir_type *get_unsigned_int_type_for_bit_size(ir_type *base_tp,
 
 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);
 
@@ -607,12 +488,12 @@ static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype,
                } else {
                        id = unique_ident("__anonymous_struct");
                }
-               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);
 
                declaration->v.irtype = irtype;
-               type->type.firm_type  = irtype;
+               type->base.firm_type  = irtype;
        } else {
                offset    = *outer_offset;
                align_all = *outer_align;
@@ -646,7 +527,7 @@ static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype,
 
                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);
                }
@@ -742,18 +623,18 @@ static ir_type *create_union_type(compound_type_t *type, ir_type *irtype,
                } else {
                        id = unique_ident("__anonymous_union");
                }
-               dbg_info *dbgi = get_dbg_info(&type->type.source_position);
+               dbg_info *dbgi = get_dbg_info(&type->base.source_position);
 
                irtype = new_d_type_union(id, dbgi);
 
                declaration->v.irtype = irtype;
-               type->type.firm_type  = irtype;
+               type->base.firm_type  = irtype;
        } else {
                offset    = *outer_offset;
                align_all = *outer_align;
        }
 
-       type->type.firm_type = irtype;
+       type->base.firm_type = irtype;
 
        declaration_t *entry = declaration->scope.declarations;
        for( ; entry != NULL; entry = entry->next) {
@@ -836,7 +717,7 @@ static ir_type *create_union_type(compound_type_t *type, ir_type *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);
@@ -1214,12 +1095,13 @@ static ir_node *wide_string_literal_to_firm(
        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;
        }
 
@@ -1228,6 +1110,11 @@ static ir_node *deref_address(ir_type *const irtype, ir_node *const 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;
 }
@@ -1315,16 +1202,14 @@ static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
        }
        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:
@@ -1534,6 +1419,8 @@ static void assign_value(dbg_info *dbgi, ir_node *addr, type_t *type,
        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);
@@ -1571,7 +1458,7 @@ static void bitfield_store_to_firm(const unary_expression_t *expression,
        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);
@@ -1606,6 +1493,11 @@ static void bitfield_store_to_firm(const unary_expression_t *expression,
        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,
@@ -1819,7 +1711,7 @@ static ir_node *bitfield_extract_to_firm(const unary_expression_t *expression)
 
        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();
@@ -1894,9 +1786,8 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression)
        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:
@@ -1912,6 +1803,8 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression)
                        node = do_strict_conv(dbgi, node);
                        return node;
                } else {
+                       /* make sure firm type is constructed */
+                       (void) get_ir_type(type);
                        return value_node;
                }
        }
@@ -2323,9 +2216,8 @@ static ir_node *array_access_to_firm(
        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)
@@ -2563,9 +2455,8 @@ static ir_node *select_to_firm(const select_expression_t *expression)
        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. */
@@ -2595,23 +2486,23 @@ typedef enum gcc_type_class
 
 static ir_node *classify_type_to_firm(const classify_type_expression_t *const expr)
 {
-       const type_t *const type = expr->type_expression->base.type;
+       const type_t *const type = skip_typeref(expr->type_expression->base.type);
 
        gcc_type_class tc;
        switch (type->kind)
        {
                case TYPE_ATOMIC: {
                        const atomic_type_t *const atomic_type = &type->atomic;
-                       switch (atomic_type->akind) {
+                       switch ((atomic_type_kind_t) atomic_type->akind) {
                                /* should not be reached */
                                case ATOMIC_TYPE_INVALID:
                                        tc = no_type_class;
-                                       break;
+                                       goto make_const;
 
                                /* gcc cannot do that */
                                case ATOMIC_TYPE_VOID:
                                        tc = void_type_class;
-                                       break;
+                                       goto make_const;
 
                                case ATOMIC_TYPE_CHAR:      /* gcc handles this as integer */
                                case ATOMIC_TYPE_SCHAR:     /* gcc handles this as integer */
@@ -2626,46 +2517,49 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
                                case ATOMIC_TYPE_ULONGLONG:
                                case ATOMIC_TYPE_BOOL:      /* gcc handles this as integer */
                                        tc = integer_type_class;
-                                       break;
+                                       goto make_const;
 
                                case ATOMIC_TYPE_FLOAT:
                                case ATOMIC_TYPE_DOUBLE:
                                case ATOMIC_TYPE_LONG_DOUBLE:
                                        tc = real_type_class;
-                                       break;
+                                       goto make_const;
 
-#ifdef PROVIDE_COMPLEX
                                case ATOMIC_TYPE_FLOAT_COMPLEX:
                                case ATOMIC_TYPE_DOUBLE_COMPLEX:
                                case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
                                        tc = complex_type_class;
-                                       break;
+                                       goto make_const;
                                case ATOMIC_TYPE_FLOAT_IMAGINARY:
                                case ATOMIC_TYPE_DOUBLE_IMAGINARY:
                                case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
                                        tc = complex_type_class;
-                                       break;
-#endif
-
-                               default:
-                                       panic("Unimplemented case in classify_type_to_firm().");
+                                       goto make_const;
                        }
-                       break;
+                       panic("Unexpected atomic type in classify_type_to_firm().");
                }
 
+               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 */
-               case TYPE_POINTER:         tc = pointer_type_class; break;
-               case TYPE_COMPOUND_STRUCT: tc = record_type_class;  break;
-               case TYPE_COMPOUND_UNION:  tc = union_type_class;   break;
+               case TYPE_POINTER:         tc = pointer_type_class; goto make_const;
+               case TYPE_COMPOUND_STRUCT: tc = record_type_class;  goto make_const;
+               case TYPE_COMPOUND_UNION:  tc = union_type_class;   goto make_const;
 
                /* gcc handles this as integer */
-               case TYPE_ENUM:            tc = integer_type_class; break;
-
-               default:
-                       panic("Unimplemented case in classify_type_to_firm().");
+               case TYPE_ENUM:            tc = integer_type_class; goto make_const;
+
+               case TYPE_BUILTIN:
+               /* typedef/typeof should be skipped already */
+               case TYPE_TYPEDEF:
+               case TYPE_TYPEOF:
+               case TYPE_INVALID:
+               case TYPE_ERROR:
+                       break;
        }
+       panic("unexpected TYPE classify_type_to_firm().");
 
+make_const: ;
        dbg_info *const dbgi = get_dbg_info(&expr->base.source_position);
        ir_mode  *const mode = mode_int;
        tarval   *const tv   = new_tarval_from_long(tc, mode);
@@ -2673,16 +2567,30 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex
 }
 
 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);
+               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__", &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__", &string);
+               }
+               return current_funcsig;
        }
-
-       return current_function_name;
+       panic("Unsupported function name");
 }
 
 static ir_node *statement_expression_to_firm(const statement_expression_t *expr)
@@ -2714,13 +2622,13 @@ static ir_node *va_start_expression_to_firm(
 
 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;
@@ -2808,9 +2716,8 @@ static ir_node *_expression_to_firm(const expression_t *expression)
                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:
-               return function_name_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:
@@ -2944,7 +2851,8 @@ static void create_declaration_entity(declaration_t *declaration,
                                       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);
@@ -2956,7 +2864,10 @@ static void create_declaration_entity(declaration_t *declaration,
                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);
+       }
 }
 
 
@@ -2986,7 +2897,7 @@ static __attribute__((unused)) void debug_print_type_path(const type_path_t *pat
                if(is_type_compound(type)) {
                        fprintf(stderr, ".%s", entry->compound_entry->symbol->string);
                } else if(is_type_array(type)) {
-                       fprintf(stderr, "[%u]", entry->index);
+                       fprintf(stderr, "[%zd]", entry->index);
                } else {
                        fprintf(stderr, "-INVALID-");
                }
@@ -3265,6 +3176,8 @@ static ir_initializer_t *create_ir_initializer_list(
 static ir_initializer_t *create_ir_initializer_string(
                const initializer_string_t *initializer, type_t *type)
 {
+       type = skip_typeref(type);
+
        size_t            string_len    = initializer->string.size;
        assert(type->kind == TYPE_ARRAY && type->array.size_constant);
        size_t            len           = type->array.size;
@@ -3335,6 +3248,20 @@ static ir_initializer_t *create_ir_initializer(
        panic("unknown initializer");
 }
 
+static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi,
+                                            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);
+}
+
 static void create_dynamic_initializer_sub(ir_initializer_t *initializer,
                ir_type *type, dbg_info *dbgi, ir_node *base_addr)
 {
@@ -3578,6 +3505,8 @@ static void create_local_variable(declaration_t *declaration)
                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) {
@@ -3607,6 +3536,10 @@ static void create_local_static_variable(declaration_t *declaration)
        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_variability(entity, variability_uninitialized);
@@ -4282,11 +4215,24 @@ static void asm_statement_to_firm(const asm_statement_t *statement)
 #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_INVALID:
                panic("invalid statement found");
+               return;
+       case STATEMENT_EMPTY:
+               /* nothing */
+               return;
        case STATEMENT_COMPOUND:
                compound_statement_to_firm(&statement->compound);
                return;
@@ -4332,6 +4278,12 @@ static void statement_to_firm(statement_t *statement)
        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");
 }
@@ -4434,8 +4386,7 @@ static int count_decls_in_expression(const expression_t *expression) {
        case EXPR_WIDE_CHARACTER_CONSTANT:
        case EXPR_STRING_LITERAL:
        case EXPR_WIDE_STRING_LITERAL:
-       case EXPR_FUNCTION:
-       case EXPR_PRETTY_FUNCTION:
+       case EXPR_FUNCNAME:
        case EXPR_BUILTIN_SYMBOL:
        case EXPR_VA_START:
        case EXPR_VA_ARG:
@@ -4454,6 +4405,9 @@ static int count_decls_in_stmts(const statement_t *stmt)
        int count = 0;
        for (; stmt != NULL; stmt = stmt->base.next) {
                switch (stmt->kind) {
+                       case STATEMENT_EMPTY:
+                               break;
+
                        case STATEMENT_DECLARATION: {
                                const declaration_statement_t *const decl_stmt = &stmt->declaration;
                                count += count_local_declarations(decl_stmt->declarations_begin,
@@ -4536,6 +4490,7 @@ static int count_decls_in_stmts(const statement_t *stmt)
                        }
 
                        case STATEMENT_GOTO:
+                       case STATEMENT_LEAVE:
                        case STATEMENT_INVALID:
                                break;
 
@@ -4544,6 +4499,15 @@ static int count_decls_in_stmts(const statement_t *stmt)
                                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;
@@ -4649,6 +4613,7 @@ static void create_function(declaration_t *declaration)
 
        current_function_decl = declaration;
        current_function_name = NULL;
+       current_funcsig       = NULL;
 
        assert(imature_blocks == NULL);
        imature_blocks = NEW_ARR_F(ir_node*, 0);
@@ -4809,10 +4774,7 @@ static void init_ir_types(void)
        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)