X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast2firm.c;h=68cece384658cf0c6e14ae7824e20a5bf2d17104;hb=8c0dc48b954ccceae0ce547f325d98ce453a5ecf;hp=f89c926efddaebce0800e9a68b0db66dafac5467;hpb=8e08a25823bf16d286ea0dc2fb5a9ea25a3e66fa;p=cparser diff --git a/ast2firm.c b/ast2firm.c index f89c926..68cece3 100644 --- a/ast2firm.c +++ b/ast2firm.c @@ -54,6 +54,9 @@ static ir_type *ir_type_wchar_t; static ir_type *ir_type_void; static ir_type *ir_type_int; +/* architecture specific floating point arithmetic mode (if any) */ +static ir_mode *mode_float_arithmetic; + static int next_value_number_function; static ir_node *continue_label; static ir_node *break_label; @@ -90,7 +93,14 @@ typedef enum declaration_kind_t { DECLARATION_KIND_INNER_FUNCTION } declaration_kind_t; -static ir_mode *get_ir_mode(type_t *type); +static ir_mode *get_ir_mode_storage(type_t *type); +/* + * get arithmetic mode for a type. This is different from get_ir_mode_storage, + * int that it returns bigger modes for floating point on some platforms + * (x87 internally does arithemtic with 80bits) + */ +static ir_mode *get_ir_mode_arithmetic(type_t *type); + static ir_type *get_ir_type_incomplete(type_t *type); static void enqueue_inner_function(entity_t *entity) @@ -201,7 +211,7 @@ static void init_atomic_modes(void) mode_uint = atomic_modes[ATOMIC_TYPE_UINT]; /* there's no real void type in firm */ - atomic_modes[ATOMIC_TYPE_VOID] = mode_int; + atomic_modes[ATOMIC_TYPE_VOID] = atomic_modes[ATOMIC_TYPE_CHAR]; /* initialize pointer modes */ char name[64]; @@ -255,7 +265,7 @@ static unsigned get_type_size_const(type_t *type) case TYPE_IMAGINARY: return get_atomic_type_size(type->imaginary.akind); case TYPE_ENUM: - return get_mode_size_bytes(mode_int); + return get_atomic_type_size(type->enumt.akind); case TYPE_COMPOUND_UNION: case TYPE_COMPOUND_STRUCT: return get_compound_type_size(&type->compound); @@ -279,25 +289,29 @@ static unsigned get_type_size_const(type_t *type) panic("Trying to determine size of invalid type"); } +static ir_node *get_vla_size(array_type_t *const type) +{ + ir_node *size_node = type->size_node; + if (size_node == NULL) { + size_node = expression_to_firm(type->size_expression); + type->size_node = size_node; + } + return size_node; +} + static ir_node *get_type_size(type_t *type) { type = skip_typeref(type); if (is_type_array(type) && type->array.is_vla) { - ir_node *size_node = type->array.size_node; - if (size_node == NULL) { - size_node = expression_to_firm(type->array.size_expression); - assert(!is_Const(size_node)); - type->array.size_node = size_node; - } - + ir_node *size_node = get_vla_size(&type->array); ir_node *elem_size = get_type_size(type->array.element_type); ir_mode *mode = get_irn_mode(size_node); ir_node *real_size = new_d_Mul(NULL, size_node, elem_size, mode); return real_size; } - ir_mode *mode = get_ir_mode(type_size_t); + ir_mode *mode = get_ir_mode_storage(type_size_t); symconst_symbol sym; sym.type_p = get_ir_type(type); return new_SymConst(mode, sym, symconst_type_size); @@ -315,17 +329,30 @@ static unsigned count_parameters(const function_type_t *function_type) return count; } +static type_t *get_aligned_type(type_t *type, int alignment) +{ + if (alignment == 0) + return type; + + type = skip_typeref(type); + if (alignment > type->base.alignment) { + type_t *copy = duplicate_type(type); + copy->base.alignment = alignment; + type = identify_new_type(copy); + } + return type; +} + /** * Creates a Firm type for an atomic type */ -static ir_type *create_atomic_type(const atomic_type_t *type) +static ir_type *create_atomic_type(atomic_type_kind_t akind, int alignment) { - atomic_type_kind_t kind = type->akind; - ir_mode *mode = atomic_modes[kind]; + ir_mode *mode = atomic_modes[akind]; ident *id = get_mode_ident(mode); ir_type *irtype = new_type_primitive(id, mode); - set_type_alignment_bytes(irtype, type->base.alignment); + set_type_alignment_bytes(irtype, alignment); return irtype; } @@ -639,6 +666,8 @@ static ir_type *create_compound_type(compound_type_t *type, ir_type *irtype, symbol_t *symbol = entry->base.symbol; type_t *entry_type = skip_typeref(entry->declaration.type); + entry_type + = get_aligned_type(entry_type, entry->compound_member.alignment); dbg_info *dbgi = get_dbg_info(&entry->base.source_position); ident *ident; @@ -792,7 +821,7 @@ static ir_type *create_enum_type(enum_type_t *const type) constant_folding = constant_folding_old; - return ir_type_int; + return create_atomic_type(type->akind, type->base.alignment); } static ir_type *get_ir_type_incomplete(type_t *type) @@ -832,10 +861,11 @@ ir_type *get_ir_type(type_t *type) switch (type->kind) { case TYPE_ERROR: /* Happens while constant folding, when there was an error */ - return create_atomic_type(&type_void->atomic); + return create_atomic_type(ATOMIC_TYPE_VOID, 0); case TYPE_ATOMIC: - firm_type = create_atomic_type(&type->atomic); + firm_type = create_atomic_type(type->atomic.akind, + type->base.alignment); break; case TYPE_COMPLEX: firm_type = create_complex_type(&type->complex); @@ -885,7 +915,7 @@ ir_type *get_ir_type(type_t *type) return firm_type; } -ir_mode *get_ir_mode(type_t *type) +static ir_mode *get_ir_mode_storage(type_t *type) { ir_type *irtype = get_ir_type(type); @@ -899,6 +929,16 @@ ir_mode *get_ir_mode(type_t *type) return mode; } +static ir_mode *get_ir_mode_arithmetic(type_t *type) +{ + ir_mode *mode = get_ir_mode_storage(type); + if (mode_is_float(mode) && mode_float_arithmetic != NULL) { + return mode_float_arithmetic; + } + + return mode; +} + /** Names of the runtime functions. */ static const struct { int id; /**< the rts id */ @@ -1046,12 +1086,8 @@ static ir_entity *get_function_entity(entity_t *entity) if (type->function.linkage != LINKAGE_C) { type_t *new_type = duplicate_type(type); new_type->function.linkage = LINKAGE_C; - - type = typehash_insert(new_type); - if (type != new_type) { - obstack_free(type_obst, new_type); - } - entity->declaration.type = type; + type = identify_new_type(new_type); + entity->declaration.type = type; } } @@ -1126,13 +1162,31 @@ entity_created: return irentity; } +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(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); +} + /** * Creates a Const node representing a constant. */ static ir_node *const_to_firm(const const_expression_t *cnst) { dbg_info *dbgi = get_dbg_info(&cnst->base.source_position); - ir_mode *mode = get_ir_mode(cnst->base.type); + type_t *type = skip_typeref(cnst->base.type); + ir_mode *mode = get_ir_mode_storage(type); char buf[128]; tarval *tv; @@ -1149,7 +1203,9 @@ static ir_node *const_to_firm(const const_expression_t *cnst) tv = new_tarval_from_str(buf, len, mode); } - return new_d_Const(dbgi, tv); + ir_node *res = new_d_Const(dbgi, tv); + ir_mode *mode_arith = get_ir_mode_arithmetic(type); + return create_conv(dbgi, res, mode_arith); } /** @@ -1158,7 +1214,7 @@ static ir_node *const_to_firm(const const_expression_t *cnst) static ir_node *character_constant_to_firm(const const_expression_t *cnst) { dbg_info *dbgi = get_dbg_info(&cnst->base.source_position); - ir_mode *mode = get_ir_mode(cnst->base.type); + ir_mode *mode = get_ir_mode_arithmetic(cnst->base.type); long long int v = 0; for (size_t i = 0; i < cnst->v.character.size; ++i) { @@ -1181,7 +1237,7 @@ static ir_node *character_constant_to_firm(const const_expression_t *cnst) static ir_node *wide_character_constant_to_firm(const const_expression_t *cnst) { dbg_info *dbgi = get_dbg_info(&cnst->base.source_position); - ir_mode *mode = get_ir_mode(cnst->base.type); + ir_mode *mode = get_ir_mode_arithmetic(cnst->base.type); long long int v = cnst->v.wide_character.begin[0]; @@ -1315,18 +1371,18 @@ static ir_node *deref_address(dbg_info *const dbgi, type_t *const type, return addr; } + ir_cons_flags flags = type->base.qualifiers & TYPE_QUALIFIER_VOLATILE + ? cons_volatile : 0; ir_mode *const mode = get_type_mode(irtype); ir_node *const memory = get_store(); - ir_node *const load = new_d_Load(dbgi, memory, addr, mode); + ir_node *const load = new_d_Load(dbgi, memory, addr, mode, flags); 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 *const mode_arithmetic = get_ir_mode_arithmetic(type); + return create_conv(dbgi, load_res, mode_arithmetic); } /** @@ -1384,23 +1440,6 @@ static ir_node *get_local_frame(ir_entity *const ent) } } -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(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); -} - /** * Keep all memory edges of the given block. */ @@ -1439,19 +1478,21 @@ static ir_node *reference_expression_to_firm(const reference_expression_t *ref) break; case DECLARATION_KIND_LOCAL_VARIABLE: { - ir_mode *const mode = get_ir_mode(type); - return get_value(entity->variable.v.value_number, mode); + ir_mode *const mode = get_ir_mode_storage(type); + ir_node *const value = get_value(entity->variable.v.value_number, mode); + return create_conv(NULL, value, get_ir_mode_arithmetic(type)); } case DECLARATION_KIND_PARAMETER: { - ir_mode *const mode = get_ir_mode(type); - return get_value(entity->parameter.v.value_number, mode); + ir_mode *const mode = get_ir_mode_storage(type); + ir_node *const value = get_value(entity->parameter.v.value_number,mode); + return create_conv(NULL, value, get_ir_mode_arithmetic(type)); } case DECLARATION_KIND_FUNCTION: { - ir_mode *const mode = get_ir_mode(type); + ir_mode *const mode = get_ir_mode_storage(type); return create_symconst(dbgi, mode, entity->function.entity); } case DECLARATION_KIND_INNER_FUNCTION: { - ir_mode *const mode = get_ir_mode(type); + ir_mode *const mode = get_ir_mode_storage(type); if (!entity->function.goto_to_outer && !entity->function.need_closure) { /* inner function not using the closure */ return create_symconst(dbgi, mode, entity->function.entity); @@ -1527,7 +1568,7 @@ static ir_node *reference_addr(const reference_expression_t *ref) case DECLARATION_KIND_FUNCTION: { type_t *const type = skip_typeref(entity->declaration.type); - ir_mode *const mode = get_ir_mode(type); + ir_mode *const mode = get_ir_mode_storage(type); return create_symconst(dbgi, mode, entity->function.entity); } @@ -1577,7 +1618,8 @@ static ir_node *process_builtin_call(const call_expression_t *call) case T___builtin_inf: case T___builtin_inff: case T___builtin_infl: { - ir_mode *mode = get_ir_mode(function_type->function.return_type); + type_t *type = function_type->function.return_type; + ir_mode *mode = get_ir_mode_arithmetic(type); tarval *tv = get_mode_infinite(mode); ir_node *res = new_d_Const(dbgi, tv); return res; @@ -1587,7 +1629,8 @@ static ir_node *process_builtin_call(const call_expression_t *call) case T___builtin_nanl: { /* Ignore string for now... */ assert(is_type_function(function_type)); - ir_mode *mode = get_ir_mode(function_type->function.return_type); + type_t *type = function_type->function.return_type; + ir_mode *mode = get_ir_mode_arithmetic(type); tarval *tv = get_mode_NAN(mode); ir_node *res = new_d_Const(dbgi, tv); return res; @@ -1597,9 +1640,11 @@ static ir_node *process_builtin_call(const call_expression_t *call) return _expression_to_firm(argument); } case T___builtin_va_end: + /* evaluate the argument of va_end for its side effects */ + _expression_to_firm(call->arguments->expression); return NULL; default: - panic("Unsupported builtin found\n"); + panic("unsupported builtin found"); } } @@ -1628,8 +1673,9 @@ static ir_node *call_expression_to_firm(const call_expression_t *call) /* handle alloca() call */ expression_t *argument = call->arguments->expression; ir_node *size = expression_to_firm(argument); + ir_mode *mode = get_ir_mode_arithmetic(type_size_t); - size = create_conv(dbgi, size, get_ir_mode(type_size_t)); + size = create_conv(dbgi, size, mode); ir_node *store = get_store(); dbg_info *dbgi = get_dbg_info(&call->base.source_position); @@ -1695,7 +1741,12 @@ static ir_node *call_expression_to_firm(const call_expression_t *call) expression_t *expression = argument->expression; ir_node *arg_node = expression_to_firm(expression); - arg_node = do_strict_conv(dbgi, arg_node); + type_t *type = skip_typeref(expression->base.type); + if (!is_type_compound(type)) { + ir_mode *mode = get_ir_mode_storage(expression->base.type); + arg_node = create_conv(dbgi, arg_node, mode); + arg_node = do_strict_conv(dbgi, arg_node); + } in[n] = arg_node; @@ -1712,14 +1763,17 @@ static ir_node *call_expression_to_firm(const call_expression_t *call) ir_node *result = NULL; if (!is_type_atomic(return_type, ATOMIC_TYPE_VOID)) { - ir_mode *mode; + ir_node *resproj = new_d_Proj(dbgi, node, mode_T, pn_Call_T_result); + if (is_type_scalar(return_type)) { - mode = get_ir_mode(return_type); + ir_mode *mode = get_ir_mode_storage(return_type); + result = new_d_Proj(dbgi, resproj, mode, 0); + ir_mode *mode_arith = get_ir_mode_arithmetic(return_type); + result = create_conv(NULL, result, mode_arith); } else { - mode = mode_P_data; + ir_mode *mode = mode_P_data; + result = new_d_Proj(dbgi, resproj, mode, 0); } - ir_node *resproj = new_d_Proj(dbgi, node, mode_T, pn_Call_T_result); - result = new_d_Proj(dbgi, resproj, mode, 0); } if (function->kind == EXPR_REFERENCE && @@ -1745,15 +1799,19 @@ static ir_node *create_condition_evaluation(const expression_t *expression, static void assign_value(dbg_info *dbgi, ir_node *addr, type_t *type, ir_node *value) { - value = do_strict_conv(dbgi, value); + if (!is_type_compound(type)) { + ir_mode *mode = get_ir_mode_storage(type); + value = create_conv(dbgi, value, mode); + value = do_strict_conv(dbgi, value); + } ir_node *memory = get_store(); if (is_type_scalar(type)) { - ir_node *store = new_d_Store(dbgi, memory, addr, value); + ir_cons_flags flags = type->base.qualifiers & TYPE_QUALIFIER_VOLATILE + ? cons_volatile : 0; + ir_node *store = new_d_Store(dbgi, memory, addr, value, flags); 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); @@ -1785,7 +1843,7 @@ static tarval *create_bitfield_mask(ir_mode *mode, int offset, int size) return mask1; } -static void bitfield_store_to_firm(dbg_info *dbgi, +static ir_node *bitfield_store_to_firm(dbg_info *dbgi, ir_entity *entity, ir_node *addr, ir_node *value, bool set_volatile) { ir_type *entity_type = get_entity_type(entity); @@ -1808,7 +1866,8 @@ static void bitfield_store_to_firm(dbg_info *dbgi, /* load current value */ ir_node *mem = get_store(); - ir_node *load = new_d_Load(dbgi, mem, addr, mode); + ir_node *load = new_d_Load(dbgi, mem, addr, mode, + set_volatile ? cons_volatile : 0); ir_node *load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M); ir_node *load_res = new_d_Proj(dbgi, load, mode, pn_Load_res); tarval *shift_mask = create_bitfield_mask(mode, bitoffset, bitsize); @@ -1818,14 +1877,12 @@ static void bitfield_store_to_firm(dbg_info *dbgi, /* construct new value and store */ ir_node *new_val = new_d_Or(dbgi, load_res_masked, value_maskshift, mode); - ir_node *store = new_d_Store(dbgi, load_mem, addr, new_val); + ir_node *store = new_d_Store(dbgi, load_mem, addr, new_val, + set_volatile ? cons_volatile : 0); ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M); set_store(store_mem); - if (set_volatile) { - set_Load_volatility(load, volatility_is_volatile); - set_Store_volatility(store, volatility_is_volatile); - } + return value_masked; } static ir_node *bitfield_extract_to_firm(const select_expression_t *expression, @@ -1833,9 +1890,9 @@ static ir_node *bitfield_extract_to_firm(const select_expression_t *expression, { dbg_info *dbgi = get_dbg_info(&expression->base.source_position); type_t *type = expression->base.type; - ir_mode *mode = get_ir_mode(type); + ir_mode *mode = get_ir_mode_storage(type); ir_node *mem = get_store(); - ir_node *load = new_d_Load(dbgi, mem, addr, mode); + ir_node *load = new_d_Load(dbgi, mem, addr, mode, 0); ir_node *load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M); ir_node *load_res = new_d_Proj(dbgi, load, mode, pn_Load_res); @@ -1879,11 +1936,17 @@ static void construct_select_compound(const select_expression_t *expression) (void) get_ir_type(type); } -static void set_value_for_expression_addr(const expression_t *expression, - ir_node *value, ir_node *addr) +static ir_node *set_value_for_expression_addr(const expression_t *expression, + ir_node *value, ir_node *addr) { dbg_info *dbgi = get_dbg_info(&expression->base.source_position); - value = do_strict_conv(dbgi, value); + type_t *type = skip_typeref(expression->base.type); + + if (!is_type_compound(type)) { + ir_mode *mode = get_ir_mode_storage(type); + value = create_conv(dbgi, value, mode); + value = do_strict_conv(dbgi, value); + } if (expression->kind == EXPR_REFERENCE) { const reference_expression_t *ref = &expression->reference; @@ -1893,10 +1956,10 @@ static void set_value_for_expression_addr(const expression_t *expression, assert(entity->declaration.kind != DECLARATION_KIND_UNKNOWN); if (entity->declaration.kind == DECLARATION_KIND_LOCAL_VARIABLE) { set_value(entity->variable.v.value_number, value); - return; + return value; } else if (entity->declaration.kind == DECLARATION_KIND_PARAMETER) { set_value(entity->parameter.v.value_number, value); - return; + return value; } } @@ -1904,8 +1967,6 @@ static void set_value_for_expression_addr(const expression_t *expression, addr = expression_to_addr(expression); assert(addr != NULL); - type_t *type = skip_typeref(expression->base.type); - if (expression->kind == EXPR_SELECT) { const select_expression_t *select = &expression->select; @@ -1917,12 +1978,14 @@ static void set_value_for_expression_addr(const expression_t *expression, ir_entity *irentity = entity->compound_member.entity; bool set_volatile = select->base.type->base.qualifiers & TYPE_QUALIFIER_VOLATILE; - bitfield_store_to_firm(dbgi, irentity, addr, value, set_volatile); - return; + value = bitfield_store_to_firm(dbgi, irentity, addr, value, + set_volatile); + return value; } } assign_value(dbgi, addr, type, value); + return value; } static void set_value_for_expression(const expression_t *expression, @@ -1941,14 +2004,21 @@ static ir_node *get_value_from_lvalue(const expression_t *expression, assert(entity->kind == ENTITY_VARIABLE || entity->kind == ENTITY_PARAMETER); assert(entity->declaration.kind != DECLARATION_KIND_UNKNOWN); + int value_number; if (entity->declaration.kind == DECLARATION_KIND_LOCAL_VARIABLE) { + value_number = entity->variable.v.value_number; assert(addr == NULL); - ir_mode *mode = get_ir_mode(expression->base.type); - return get_value(entity->variable.v.value_number, mode); + type_t *type = skip_typeref(expression->base.type); + ir_mode *mode = get_ir_mode_storage(type); + ir_node *res = get_value(value_number, mode); + return create_conv(NULL, res, get_ir_mode_arithmetic(type)); } else if (entity->declaration.kind == DECLARATION_KIND_PARAMETER) { + value_number = entity->parameter.v.value_number; assert(addr == NULL); - ir_mode *mode = get_ir_mode(expression->base.type); - return get_value(entity->parameter.v.value_number, mode); + type_t *type = skip_typeref(expression->base.type); + ir_mode *mode = get_ir_mode_storage(type); + ir_node *res = get_value(value_number, mode); + return create_conv(NULL, res, get_ir_mode_arithmetic(type)); } } @@ -1976,7 +2046,7 @@ static ir_node *create_incdec(const unary_expression_t *expression) ir_node *value = get_value_from_lvalue(value_expr, addr); type_t *type = skip_typeref(expression->base.type); - ir_mode *mode = get_ir_mode(expression->base.type); + ir_mode *mode = get_ir_mode_arithmetic(expression->base.type); ir_node *offset; if (is_type_pointer(type)) { @@ -2078,7 +2148,7 @@ static ir_node *handle_assume_compare(dbg_info *dbi, var2 = op2->reference.entity; type_t *const type = skip_typeref(var->declaration.type); - ir_mode *const mode = get_ir_mode(type); + ir_mode *const mode = get_ir_mode_storage(type); ir_node *const irn1 = get_value(var->variable.v.value_number, mode); ir_node *const irn2 = get_value(var2->variable.v.value_number, mode); @@ -2104,7 +2174,7 @@ static ir_node *handle_assume_compare(dbg_info *dbi, if (var != NULL) { type_t *const type = skip_typeref(var->declaration.type); - ir_mode *const mode = get_ir_mode(type); + ir_mode *const mode = get_ir_mode_storage(type); res = get_value(var->variable.v.value_number, mode); res = new_d_Confirm(dbi, res, expression_to_firm(con), cmp_val); @@ -2146,14 +2216,14 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression) switch(expression->base.kind) { case EXPR_UNARY_NEGATE: { ir_node *value_node = expression_to_firm(value); - ir_mode *mode = get_ir_mode(type); + ir_mode *mode = get_ir_mode_arithmetic(type); return new_d_Minus(dbgi, value_node, mode); } case EXPR_UNARY_PLUS: return expression_to_firm(value); case EXPR_UNARY_BITWISE_NEGATE: { ir_node *value_node = expression_to_firm(value); - ir_mode *mode = get_ir_mode(type); + ir_mode *mode = get_ir_mode_arithmetic(type); return new_d_Not(dbgi, value_node, mode); } case EXPR_UNARY_NOT: { @@ -2177,9 +2247,11 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression) case EXPR_UNARY_CAST: { ir_node *value_node = expression_to_firm(value); if (is_type_scalar(type)) { - ir_mode *mode = get_ir_mode(type); - ir_node *node = create_conv(dbgi, value_node, mode); - node = do_strict_conv(dbgi, node); + ir_mode *mode = get_ir_mode_storage(type); + ir_node *node = create_conv(dbgi, value_node, mode); + node = do_strict_conv(dbgi, node); + ir_mode *mode_arith = get_ir_mode_arithmetic(type); + node = create_conv(dbgi, node, mode_arith); return node; } else { /* make sure firm type is constructed */ @@ -2190,8 +2262,11 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression) case EXPR_UNARY_CAST_IMPLICIT: { ir_node *value_node = expression_to_firm(value); if (is_type_scalar(type)) { - ir_mode *mode = get_ir_mode(type); - return create_conv(dbgi, value_node, mode); + ir_mode *mode = get_ir_mode_storage(type); + ir_node *res = create_conv(dbgi, value_node, mode); + ir_mode *mode_arith = get_ir_mode_arithmetic(type); + res = create_conv(dbgi, res, mode_arith); + return res; } else { return value_node; } @@ -2212,16 +2287,17 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression) * produces a 0/1 depending of the value of a mode_b node */ static ir_node *produce_condition_result(const expression_t *expression, - dbg_info *dbgi) + ir_mode *mode, dbg_info *dbgi) { - ir_mode *mode = get_ir_mode(expression->base.type); ir_node *cur_block = get_cur_block(); ir_node *one_block = new_immBlock(); + set_cur_block(one_block); ir_node *one = new_Const(get_mode_one(mode)); ir_node *jmp_one = new_d_Jmp(dbgi); ir_node *zero_block = new_immBlock(); + set_cur_block(zero_block); ir_node *zero = new_Const(get_mode_null(mode)); ir_node *jmp_zero = new_d_Jmp(dbgi); @@ -2242,10 +2318,14 @@ static ir_node *produce_condition_result(const expression_t *expression, static ir_node *adjust_for_pointer_arithmetic(dbg_info *dbgi, ir_node *value, type_t *type) { + ir_mode *const mode = get_ir_mode_arithmetic(type_ptrdiff_t); + assert(is_type_pointer(type)); pointer_type_t *const pointer_type = &type->pointer; type_t *const points_to = skip_typeref(pointer_type->points_to); unsigned elem_size = get_type_size_const(points_to); + value = create_conv(dbgi, value, mode); + /* gcc extension: allow arithmetic with void * and function * */ if ((elem_size == 0 && is_type_atomic(points_to, ATOMIC_TYPE_VOID)) || is_type_function(points_to)) { @@ -2256,9 +2336,8 @@ static ir_node *adjust_for_pointer_arithmetic(dbg_info *dbgi, if (elem_size == 1) return value; - value = create_conv(dbgi, value, mode_int); - ir_node *const cnst = new_Const_long(mode_int, (long)elem_size); - ir_node *const mul = new_d_Mul(dbgi, value, cnst, mode_int); + ir_node *const cnst = new_Const_long(mode, (long)elem_size); + ir_node *const mul = new_d_Mul(dbgi, value, cnst, mode); return mul; } @@ -2284,7 +2363,7 @@ static ir_node *create_op(dbg_info *dbgi, const binary_expression_t *expression, if (is_type_pointer(type_left) && is_type_pointer(type_right)) { const pointer_type_t *const ptr_type = &type_left->pointer; - mode = get_ir_mode(expression->base.type); + mode = get_ir_mode_arithmetic(expression->base.type); ir_node *const elem_size = get_type_size(ptr_type->points_to); ir_node *const conv_size = new_d_Conv(dbgi, elem_size, mode); ir_node *const sub = new_d_Sub(dbgi, left, right, mode); @@ -2297,7 +2376,7 @@ static ir_node *create_op(dbg_info *dbgi, const binary_expression_t *expression, case EXPR_BINARY_SUB_ASSIGN: if (is_type_pointer(type_left)) { right = adjust_for_pointer_arithmetic(dbgi, right, type_left); - mode = get_ir_mode(type_left); + mode = get_ir_mode_arithmetic(type_left); break; } goto normal_node; @@ -2306,18 +2385,18 @@ static ir_node *create_op(dbg_info *dbgi, const binary_expression_t *expression, case EXPR_BINARY_ADD_ASSIGN: if (is_type_pointer(type_left)) { right = adjust_for_pointer_arithmetic(dbgi, right, type_left); - mode = get_ir_mode(type_left); + mode = get_ir_mode_arithmetic(type_left); break; } else if (is_type_pointer(type_right)) { left = adjust_for_pointer_arithmetic(dbgi, left, type_right); - mode = get_ir_mode(type_right); + mode = get_ir_mode_arithmetic(type_right); break; } goto normal_node; default: normal_node: - mode = get_irn_mode(right); + mode = get_ir_mode_arithmetic(type_right); left = create_conv(dbgi, left, mode); break; } @@ -2382,22 +2461,35 @@ normal_node: static ir_node *create_lazy_op(const binary_expression_t *expression) { dbg_info *dbgi = get_dbg_info(&expression->base.source_position); - type_t *type = expression->base.type; - ir_mode *mode = get_ir_mode(type); + type_t *type = skip_typeref(expression->base.type); + ir_mode *mode = get_ir_mode_arithmetic(type); if (is_constant_expression(expression->left)) { long val = fold_constant(expression->left); expression_kind_t ekind = expression->base.kind; assert(ekind == EXPR_BINARY_LOGICAL_AND || ekind == EXPR_BINARY_LOGICAL_OR); - if ((ekind == EXPR_BINARY_LOGICAL_AND && val != 0) || - (ekind == EXPR_BINARY_LOGICAL_OR && val == 0)) { - return expression_to_firm(expression->right); + if (ekind == EXPR_BINARY_LOGICAL_AND) { + if (val == 0) { + return new_Const(get_mode_null(mode)); + } } else { - return new_Const(get_mode_one(mode)); + if (val != 0) { + return new_Const(get_mode_one(mode)); + } } + + if (is_constant_expression(expression->right)) { + long const valr = fold_constant(expression->right); + return valr != 0 ? + new_Const(get_mode_one(mode)) : + new_Const(get_mode_null(mode)); + } + + return produce_condition_result(expression->right, mode, dbgi); } - return produce_condition_result((const expression_t*) expression, dbgi); + return produce_condition_result((const expression_t*) expression, mode, + dbgi); } typedef ir_node * (*create_arithmetic_func)(dbg_info *dbgi, ir_node *left, @@ -2407,7 +2499,8 @@ static ir_node *create_assign_binop(const binary_expression_t *expression) { dbg_info *const dbgi = get_dbg_info(&expression->base.source_position); const expression_t *left_expr = expression->left; - ir_mode *left_mode = get_ir_mode(left_expr->base.type); + type_t *type = skip_typeref(left_expr->base.type); + ir_mode *left_mode = get_ir_mode_storage(type); ir_node *right = expression_to_firm(expression->right); ir_node *left_addr = expression_to_addr(left_expr); ir_node *left = get_value_from_lvalue(left_expr, left_addr); @@ -2416,8 +2509,12 @@ static ir_node *create_assign_binop(const binary_expression_t *expression) result = create_conv(dbgi, result, left_mode); result = do_strict_conv(dbgi, result); - set_value_for_expression_addr(left_expr, result, left_addr); + result = set_value_for_expression_addr(left_expr, result, left_addr); + if (!is_type_compound(type)) { + ir_mode *mode_arithmetic = get_ir_mode_arithmetic(type); + result = create_conv(dbgi, result, mode_arithmetic); + } return result; } @@ -2449,9 +2546,15 @@ static ir_node *binary_expression_to_firm(const binary_expression_t *expression) case EXPR_BINARY_ASSIGN: { ir_node *addr = expression_to_addr(expression->left); ir_node *right = expression_to_firm(expression->right); - set_value_for_expression_addr(expression->left, right, addr); + ir_node *res + = set_value_for_expression_addr(expression->left, right, addr); - return right; + type_t *type = skip_typeref(expression->base.type); + if (!is_type_compound(type)) { + ir_mode *mode_arithmetic = get_ir_mode_arithmetic(type); + res = create_conv(NULL, res, mode_arithmetic); + } + return res; } case EXPR_BINARY_ADD: case EXPR_BINARY_SUB: @@ -2495,28 +2598,12 @@ static ir_node *binary_expression_to_firm(const binary_expression_t *expression) static ir_node *array_access_addr(const array_access_expression_t *expression) { - 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); - - type_t *offset_type = skip_typeref(expression->index->base.type); - ir_mode *mode; - if (is_type_signed(offset_type)) { - mode = get_ir_mode(type_ssize_t); - } else { - mode = get_ir_mode(type_size_t); - } - 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); - ir_node *result = new_d_Add(dbgi, base_addr, real_offset, mode_P_data); + 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); + type_t *ref_type = skip_typeref(expression->array_ref->base.type); + ir_node *real_offset = adjust_for_pointer_arithmetic(dbgi, offset, ref_type); + ir_node *result = new_d_Add(dbgi, base_addr, real_offset, mode_P_data); return result; } @@ -2583,7 +2670,7 @@ static long get_offsetof_offset(const offsetof_expression_t *expression) static ir_node *offsetof_to_firm(const offsetof_expression_t *expression) { - ir_mode *mode = get_ir_mode(expression->base.type); + ir_mode *mode = get_ir_mode_arithmetic(expression->base.type); long offset = get_offsetof_offset(expression); tarval *tv = new_tarval_from_long(offset, mode); dbg_info *dbgi = get_dbg_info(&expression->base.source_position); @@ -2641,28 +2728,61 @@ static ir_node *sizeof_to_firm(const typeprop_expression_t *expression) return get_type_size(type); } +static entity_t *get_expression_entity(const expression_t *expression) +{ + if (expression->kind != EXPR_REFERENCE) + return NULL; + + return expression->reference.entity; +} + /** * Transform an alignof expression into Firm code. */ static ir_node *alignof_to_firm(const typeprop_expression_t *expression) { - type_t *type = expression->type; - if (type == NULL) { - /* beware: if expression is a variable reference, return the - alignment of the variable. */ - const expression_t *tp_expression = expression->tp_expression; - const entity_t *entity = expression_is_variable(tp_expression); - if (entity != NULL) { - /* TODO: get the alignment of this variable. */ - (void) entity; + ir_entity *irentity = NULL; + + const expression_t *tp_expression = expression->tp_expression; + if (tp_expression != NULL) { + entity_t *entity = get_expression_entity(tp_expression); + if (entity != NULL && is_declaration(entity)) { + switch (entity->declaration.kind) { + case DECLARATION_KIND_UNKNOWN: + panic("unknown entity reference found"); + case DECLARATION_KIND_COMPOUND_MEMBER: + irentity = entity->compound_member.entity; + break; + case DECLARATION_KIND_GLOBAL_VARIABLE: + case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY: + irentity = entity->variable.v.entity; + break; + case DECLARATION_KIND_PARAMETER_ENTITY: + irentity = entity->parameter.v.entity; + break; + case DECLARATION_KIND_FUNCTION: + case DECLARATION_KIND_INNER_FUNCTION: + irentity = entity->function.entity; + break; + case DECLARATION_KIND_PARAMETER: + case DECLARATION_KIND_LOCAL_VARIABLE: + case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY: + break; + } } - type = tp_expression->base.type; - assert(type != NULL); } - ir_mode *const mode = get_ir_mode(expression->base.type); + ir_type *irtype; + if (irentity != NULL) { + irtype = get_entity_type(irentity); + } else { + type_t *type = expression->type; + irtype = get_ir_type(type); + } + + ir_mode *const mode = get_ir_mode_arithmetic(expression->base.type); symconst_symbol sym; - sym.type_p = get_ir_type(type); + sym.type_p = irtype; return new_SymConst(mode, sym, symconst_type_align); } @@ -2680,20 +2800,18 @@ long fold_constant(const expression_t *expression) assert(is_constant_expression(expression)); ir_graph *old_current_ir_graph = current_ir_graph; - if (current_ir_graph == NULL) { - current_ir_graph = get_const_code_irg(); - } + current_ir_graph = get_const_code_irg(); ir_node *cnst = expression_to_firm(expression); current_ir_graph = old_current_ir_graph; if (!is_Const(cnst)) { - panic("couldn't fold constant\n"); + panic("couldn't fold constant"); } tarval *tv = get_Const_tarval(cnst); if (!tarval_is_long(tv)) { - panic("result of constant folding is not integer\n"); + panic("result of constant folding is not integer"); } constant_folding = constant_folding_old; @@ -2722,6 +2840,7 @@ static ir_node *conditional_to_firm(const conditional_expression_t *expression) /* create the true block */ ir_node *true_block = new_immBlock(); + set_cur_block(true_block); ir_node *true_val = expression->true_expression != NULL ? expression_to_firm(expression->true_expression) : NULL; @@ -2729,6 +2848,7 @@ static ir_node *conditional_to_firm(const conditional_expression_t *expression) /* create the false block */ ir_node *false_block = new_immBlock(); + set_cur_block(false_block); ir_node *false_val = expression_to_firm(expression->false_expression); ir_node *false_jmp = new_Jmp(); @@ -2778,13 +2898,17 @@ static ir_node *select_addr(const select_expression_t *expression) entity_t *entry = expression->compound_entry; assert(entry->kind == ENTITY_COMPOUND_MEMBER); assert(entry->declaration.kind == DECLARATION_KIND_COMPOUND_MEMBER); - ir_entity *irentity = entry->compound_member.entity; - assert(irentity != NULL); - - ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), compound_addr, irentity); - - return sel; + if (constant_folding) { + ir_mode *mode = get_irn_mode(compound_addr); + /* FIXME: here, we need an integer mode with the same number of bits as mode */ + ir_node *ofs = new_Const_long(mode_uint, entry->compound_member.offset); + return new_d_Add(dbgi, compound_addr, ofs, mode); + } else { + ir_entity *irentity = entry->compound_member.entity; + assert(irentity != NULL); + return new_d_simpleSel(dbgi, new_NoMem(), compound_addr, irentity); + } } static ir_node *select_to_firm(const select_expression_t *expression) @@ -2854,6 +2978,7 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex tc = void_type_class; goto make_const; + case ATOMIC_TYPE_WCHAR_T: /* gcc handles this as integer */ case ATOMIC_TYPE_CHAR: /* gcc handles this as integer */ case ATOMIC_TYPE_SCHAR: /* gcc handles this as integer */ case ATOMIC_TYPE_UCHAR: /* gcc handles this as integer */ @@ -2994,17 +3119,18 @@ static ir_node *dereference_addr(const unary_expression_t *const expression) static ir_node *expression_to_addr(const expression_t *expression) { switch(expression->kind) { - case EXPR_REFERENCE: - return reference_addr(&expression->reference); case EXPR_ARRAY_ACCESS: return array_access_addr(&expression->array_access); - case EXPR_SELECT: - return select_addr(&expression->select); case EXPR_CALL: return call_expression_to_firm(&expression->call); - case EXPR_UNARY_DEREFERENCE: { + case EXPR_COMPOUND_LITERAL: + return compound_literal_to_firm(&expression->compound_literal); + case EXPR_REFERENCE: + return reference_addr(&expression->reference); + case EXPR_SELECT: + return select_addr(&expression->select); + case EXPR_UNARY_DEREFERENCE: return dereference_addr(&expression->unary); - } default: break; } @@ -3014,7 +3140,7 @@ static ir_node *expression_to_addr(const expression_t *expression) static ir_node *builtin_constant_to_firm( const builtin_constant_expression_t *expression) { - ir_mode *mode = get_ir_mode(expression->base.type); + ir_mode *mode = get_ir_mode_arithmetic(expression->base.type); long v; if (is_constant_expression(expression->value)) { @@ -3044,9 +3170,7 @@ static ir_node *get_label_block(label_t *label) ir_graph *rem = current_ir_graph; current_ir_graph = current_function; - ir_node *old_cur_block = get_cur_block(); - ir_node *block = new_immBlock(); - set_cur_block(old_cur_block); + ir_node *block = new_immBlock(); label->block = block; @@ -3086,7 +3210,7 @@ static ir_node *builtin_symbol_to_firm( } /* simply create a NULL pointer */ - ir_mode *mode = get_ir_mode(type_void_ptr); + ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr); ir_node *res = new_Const_long(mode, 0); return res; @@ -3223,7 +3347,7 @@ static ir_node *expression_to_firm(const expression_t *expression) if (is_constant_expression(expression)) { ir_node *res = _expression_to_firm(expression); - ir_mode *mode = get_ir_mode(expression->base.type); + ir_mode *mode = get_ir_mode_arithmetic(expression->base.type); assert(is_Const(res)); if (is_Const_null(res)) { return new_Const_long(mode, 0); @@ -3234,7 +3358,8 @@ static ir_node *expression_to_firm(const expression_t *expression) /* we have to produce a 0/1 from the mode_b expression */ dbg_info *dbgi = get_dbg_info(&expression->base.source_position); - return produce_condition_result(expression, dbgi); + ir_mode *mode = get_ir_mode_arithmetic(expression->base.type); + return produce_condition_result(expression, mode, dbgi); } /** @@ -3255,9 +3380,7 @@ static ir_node *create_condition_evaluation(const expression_t *expression, case EXPR_BINARY_LOGICAL_AND: { const binary_expression_t *binary_expression = &expression->binary; - ir_node *cur_block = get_cur_block(); ir_node *extra_block = new_immBlock(); - set_cur_block(cur_block); create_condition_evaluation(binary_expression->left, extra_block, false_block); mature_immBlock(extra_block); @@ -3269,9 +3392,7 @@ static ir_node *create_condition_evaluation(const expression_t *expression, case EXPR_BINARY_LOGICAL_OR: { const binary_expression_t *binary_expression = &expression->binary; - ir_node *cur_block = get_cur_block(); ir_node *extra_block = new_immBlock(); - set_cur_block(cur_block); create_condition_evaluation(binary_expression->left, true_block, extra_block); mature_immBlock(extra_block); @@ -3292,7 +3413,7 @@ static ir_node *create_condition_evaluation(const expression_t *expression, ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false); /* set branch prediction info based on __builtin_expect */ - if (is_builtin_expect(expression)) { + if (is_builtin_expect(expression) && is_Cond(cond)) { call_argument_t *argument = expression->call.arguments->next; if (is_constant_expression(argument->expression)) { long cnst = fold_constant(argument->expression); @@ -3308,9 +3429,7 @@ static ir_node *create_condition_evaluation(const expression_t *expression, } add_immBlock_pred(true_block, true_proj); - if (false_block != NULL) { - add_immBlock_pred(false_block, false_proj); - } + add_immBlock_pred(false_block, false_proj); set_cur_block(NULL); return cond_expr; @@ -3322,10 +3441,13 @@ static void create_variable_entity(entity_t *variable, ir_type *parent_type) { assert(variable->kind == ENTITY_VARIABLE); - type_t *const type = skip_typeref(variable->declaration.type); + type_t *type = skip_typeref(variable->declaration.type); + type = get_aligned_type(type, variable->variable.alignment); + ident *const id = new_id_from_str(variable->base.symbol->string); ir_type *const irtype = get_ir_type(type); dbg_info *const dbgi = get_dbg_info(&variable->base.source_position); + ir_entity *const irentity = new_d_entity(parent_type, id, irtype, dbgi); handle_gnu_attributes_ent(irentity, variable); @@ -3334,6 +3456,7 @@ static void create_variable_entity(entity_t *variable, variable->variable.v.entity = irentity; set_entity_variability(irentity, variability_uninitialized); set_entity_ld_ident(irentity, create_ld_ident(variable)); + if (parent_type == get_tls_type()) set_entity_allocation(irentity, allocation_automatic); else if (declaration_kind == DECLARATION_KIND_GLOBAL_VARIABLE) @@ -3597,6 +3720,9 @@ static ir_initializer_t *create_ir_initializer_value( panic("initializer creation for compounds not implemented yet"); } ir_node *value = expression_to_firm(initializer->value); + type_t *type = initializer->value->base.type; + ir_mode *mode = get_ir_mode_storage(type); + value = create_conv(NULL, value, mode); return create_initializer_const(value); } @@ -3690,7 +3816,7 @@ static ir_initializer_t *create_ir_initializer_string( ir_initializer_t *irinitializer = create_initializer_compound(len); const char *string = initializer->string.begin; - ir_mode *mode = get_ir_mode(type->array.element_type); + ir_mode *mode = get_ir_mode_storage(type->array.element_type); for (size_t i = 0; i < len; ++i) { char c = 0; @@ -3765,7 +3891,7 @@ static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi, /* TODO: bitfields */ ir_node *mem = get_store(); - ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst); + ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst, 0); ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M); set_store(proj_m); } else { @@ -3823,7 +3949,7 @@ static void create_dynamic_initializer_sub(ir_initializer_t *initializer, assert(get_type_mode(type) == mode); ir_node *mem = get_store(); - ir_node *store = new_d_Store(dbgi, mem, base_addr, node); + ir_node *store = new_d_Store(dbgi, mem, base_addr, node, 0); ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M); set_store(proj_m); return; @@ -3843,7 +3969,7 @@ static void create_dynamic_initializer_sub(ir_initializer_t *initializer, assert(get_type_mode(type) == mode); ir_node *mem = get_store(); - ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst); + ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst, 0); ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M); set_store(proj_m); return; @@ -3965,6 +4091,8 @@ static void create_initializer_local_variable_entity(entity_t *entity) dbg_info *dbgi = get_dbg_info(&entity->base.source_position); ir_entity *irentity = entity->variable.v.entity; type_t *type = entity->declaration.type; + + type = get_aligned_type(type, entity->variable.alignment); create_local_initializer(initializer, dbgi, irentity, type); } @@ -3990,6 +4118,10 @@ static void create_variable_initializer(entity_t *entity) dbg_info *dbgi = get_dbg_info(&entity->base.source_position); ir_node *value = expression_to_firm(initializer_value->value); + + type_t *type = initializer_value->value->base.type; + ir_mode *mode = get_ir_mode_storage(type); + value = create_conv(dbgi, value, mode); value = do_strict_conv(dbgi, value); if (declaration_kind == DECLARATION_KIND_LOCAL_VARIABLE) { @@ -4099,7 +4231,9 @@ static void create_local_static_variable(entity_t *entity) assert(entity->kind == ENTITY_VARIABLE); assert(entity->declaration.kind == DECLARATION_KIND_UNKNOWN); - type_t *const type = skip_typeref(entity->declaration.type); + type_t *type = skip_typeref(entity->declaration.type); + type = get_aligned_type(type, entity->variable.alignment); + ir_type *const var_type = entity->variable.thread_local ? get_tls_type() : get_glob_type(); ir_type *const irtype = get_ir_type(type); @@ -4118,6 +4252,7 @@ static void create_local_static_variable(entity_t *entity) entity->declaration.kind = DECLARATION_KIND_GLOBAL_VARIABLE; entity->variable.v.entity = irentity; + set_entity_ld_ident(irentity, id); set_entity_variability(irentity, variability_uninitialized); set_entity_visibility(irentity, visibility_local); @@ -4152,7 +4287,12 @@ static void return_statement_to_firm(return_statement_t *statement) if (statement->value != NULL) { ir_node *node = expression_to_firm(statement->value); - node = do_strict_conv(dbgi, node); + if (!is_compound_type(res_type)) { + type_t *type = statement->value->base.type; + ir_mode *mode = get_ir_mode_storage(type); + node = create_conv(dbgi, node, mode); + node = do_strict_conv(dbgi, node); + } in[0] = node; } else { ir_mode *mode; @@ -4315,8 +4455,13 @@ static void declaration_statement_to_firm(declaration_statement_t *statement) entity_t *const last = statement->declarations_end; if (entity != NULL) { for ( ;; entity = entity->base.next) { - if (is_declaration(entity)) + if (is_declaration(entity)) { initialize_local_declaration(entity); + } else if (entity->kind == ENTITY_TYPEDEF) { + type_t *const type = skip_typeref(entity->typedefe.type); + if (is_type_array(type) && type->array.is_vla) + get_vla_size(&type->array); + } if (entity == last) break; } @@ -4333,6 +4478,7 @@ static void if_statement_to_firm(if_statement_t *statement) ir_node *true_block = NULL; if (statement->true_statement != NULL) { true_block = new_immBlock(); + set_cur_block(true_block); statement_to_firm(statement->true_statement); if (get_cur_block() != NULL) { ir_node *jmp = new_Jmp(); @@ -4346,6 +4492,7 @@ static void if_statement_to_firm(if_statement_t *statement) ir_node *false_block = NULL; if (statement->false_statement != NULL) { false_block = new_immBlock(); + set_cur_block(false_block); statement_to_firm(statement->false_statement); if (get_cur_block() != NULL) { @@ -4403,6 +4550,7 @@ static void while_statement_to_firm(while_statement_t *statement) break_label = NULL; ir_node *body_block = new_immBlock(); + set_cur_block(body_block); statement_to_firm(statement->body); ir_node *false_block = break_label; @@ -4467,6 +4615,7 @@ static void do_while_statement_to_firm(do_while_statement_t *statement) continue_label = header_block; break_label = NULL; + set_cur_block(body_block); statement_to_firm(statement->body); ir_node *false_block = break_label; @@ -4490,9 +4639,7 @@ static void do_while_statement_to_firm(do_while_statement_t *statement) create_condition_evaluation(statement->condition, body_block, false_block); mature_immBlock(body_block); mature_immBlock(header_block); - if (false_block != NULL) { - mature_immBlock(false_block); - } + mature_immBlock(false_block); set_cur_block(false_block); } @@ -4529,6 +4676,7 @@ static void for_statement_to_firm(for_statement_t *statement) /* create the step block */ ir_node *const step_block = new_immBlock(); + set_cur_block(step_block); if (statement->step != NULL) { expression_to_firm(statement->step); } @@ -4536,6 +4684,7 @@ static void for_statement_to_firm(for_statement_t *statement) /* create the header block */ ir_node *const header_block = new_immBlock(); + set_cur_block(header_block); if (jmp != NULL) { add_immBlock_pred(header_block, jmp); } @@ -4545,7 +4694,7 @@ static void for_statement_to_firm(for_statement_t *statement) ir_node *const false_block = new_immBlock(); /* the loop body */ - ir_node * body_block; + ir_node *body_block; if (statement->body != NULL) { ir_node *const old_continue_label = continue_label; ir_node *const old_break_label = break_label; @@ -4553,6 +4702,7 @@ static void for_statement_to_firm(for_statement_t *statement) break_label = false_block; body_block = new_immBlock(); + set_cur_block(body_block); statement_to_firm(statement->body); assert(continue_label == step_block); @@ -4605,9 +4755,7 @@ static void create_jump_statement(const statement_t *statement, static ir_node *get_break_label(void) { if (break_label == NULL) { - ir_node *cur_block = get_cur_block(); break_label = new_immBlock(); - set_cur_block(cur_block); } return break_label; } @@ -4721,10 +4869,9 @@ static void case_label_to_firm(const case_label_statement_t *statement) ir_node *const fallthrough = (get_cur_block() == NULL ? NULL : new_Jmp()); ir_node *proj; - ir_node *old_block = get_nodes_block(current_switch_cond); ir_node *block = new_immBlock(); - set_cur_block(old_block); + set_cur_block(get_nodes_block(current_switch_cond)); if (statement->expression != NULL) { long pn = statement->first_case; long end_pn = statement->last_case; @@ -4883,7 +5030,7 @@ static void asm_statement_to_firm(const asm_statement_t *statement) ir_asm_constraint constraint; constraint.pos = pos; constraint.constraint = new_id_from_str(buf); - constraint.mode = get_ir_mode(expr->base.type); + constraint.mode = get_ir_mode_storage(expr->base.type); tmp_in_constraints[in_size] = constraint; ins[in_size] = value; @@ -4923,7 +5070,7 @@ static void asm_statement_to_firm(const asm_statement_t *statement) ir_asm_constraint constraint; constraint.pos = pos; constraint.constraint = new_id_from_str(constraints); - constraint.mode = get_ir_mode(argument->expression->base.type); + constraint.mode = get_ir_mode_storage(argument->expression->base.type); obstack_grow(&asm_obst, &constraint, sizeof(constraint)); } @@ -5026,7 +5173,7 @@ static void asm_statement_to_firm(const asm_statement_t *statement) for (i = 0; i < out_size; ++i) { const expression_t *out_expr = out_exprs[i]; long pn = i; - ir_mode *mode = get_ir_mode(out_expr->base.type); + ir_mode *mode = get_ir_mode_storage(out_expr->base.type); ir_node *proj = new_Proj(node, mode, pn); ir_node *addr = out_addrs[i]; @@ -5098,10 +5245,6 @@ static void statement_to_firm(statement_t *statement) case STATEMENT_LABEL: label_to_firm(&statement->label); return; - case STATEMENT_LOCAL_LABEL: - /* local labels transform the semantics of labels while parsing - * they don't need any special treatment here */ - return; case STATEMENT_GOTO: goto_to_firm(&statement->gotos); return; @@ -5115,7 +5258,7 @@ static void statement_to_firm(statement_t *statement) leave_statement_to_firm(&statement->leave); return; } - panic("Statement not implemented\n"); + panic("statement not implemented"); } static int count_local_variables(const entity_t *entity, @@ -5217,7 +5360,7 @@ static void initialize_function_parameters(entity_t *entity) long pn = n; ir_node *value = new_r_Proj(irg, start_block, args, param_mode, pn); - ir_mode *mode = get_ir_mode(type); + ir_mode *mode = get_ir_mode_storage(type); value = create_conv(NULL, value, mode); value = do_strict_conv(NULL, value); @@ -5239,6 +5382,10 @@ static void initialize_function_parameters(entity_t *entity) */ static void handle_decl_modifier_irg(ir_graph_ptr irg, decl_modifiers_t decl_modifiers) { + if (decl_modifiers & DM_RETURNS_TWICE) { + /* TRUE if the declaration includes __attribute__((returns_twice)) */ + set_irg_additional_property(irg, mtp_property_returns_twice); + } if (decl_modifiers & DM_NORETURN) { /* TRUE if the declaration includes the Microsoft __declspec(noreturn) specifier. */ @@ -5329,7 +5476,7 @@ static void create_function(entity_t *entity) current_function = irg; set_irg_fp_model(irg, firm_opt.fp_model); - tarval_enable_fp_ops((firm_opt.fp_model & fp_strict_algebraic) == 0); + tarval_enable_fp_ops(1); set_irn_dbg_info(get_irg_start_block(irg), get_entity_dbg_info(function_entity)); ir_node *first_block = get_cur_block(); @@ -5360,7 +5507,7 @@ static void create_function(entity_t *entity) } else { ir_mode *mode; if (is_type_scalar(return_type)) { - mode = get_ir_mode(func_type->return_type); + mode = get_ir_mode_storage(func_type->return_type); } else { mode = mode_P_data; } @@ -5512,6 +5659,9 @@ static void init_ir_types(void) 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_void); + + const backend_params *be_params = be_get_backend_param(); + mode_float_arithmetic = be_params->mode_float_arithmetic; } void exit_ast2firm(void)