#include "types.h"
#include "type_hash.h"
#include "mangle.h"
-#include "walk_statements.h"
+#include "walk.h"
#include "warning.h"
#include "printer.h"
#include "entitymap_t.h"
#include "driver/firm_opt.h"
-#include "driver/firm_cmdline.h"
typedef struct trampoline_region trampoline_region;
struct trampoline_region {
ir_entity *region; /**< created region for the trampoline */
};
+fp_model_t firm_fp_model = fp_model_precise;
+
static const backend_params *be_params;
static ir_type *ir_type_char;
static entity_t **inner_functions;
static ir_node *ijmp_list;
static bool constant_folding;
-static bool initializer_use_bitfield_basetype;
-
-extern bool have_const_functions;
static const entity_t *current_function_entity;
static ir_node *current_function_name;
static translation_unit_t *current_translation_unit;
static trampoline_region *current_trampolines;
static ir_type *current_outer_frame;
-static ir_type *current_outer_value_type;
static ir_node *current_static_link;
static entitymap_t entitymap;
} declaration_kind_t;
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);
const entity_t *entity = get_irg_loc_description(irg, pos);
if (entity != NULL) {
- warningf(&entity->base.source_position,
- "%s '%#T' might be used uninitialized",
- get_entity_kind_name(entity->kind),
- entity->declaration.type, entity->base.symbol);
+ source_position_t const *const pos = &entity->base.source_position;
+ warningf(WARN_UNINITIALIZED, pos, "'%N' might be used uninitialized", entity);
}
return new_r_Unknown(irg, mode);
}
if (pos == NULL)
return NULL;
if (line != NULL)
- *line = pos->linenr;
+ *line = pos->lineno;
return pos->input_name;
}
return (type_dbg_info*) type;
}
+/* is the current block a reachable one? */
+static bool currently_reachable(void)
+{
+ ir_node *const block = get_cur_block();
+ return block != NULL && !is_Bad(block);
+}
+
+static void set_unreachable_now(void)
+{
+ set_cur_block(NULL);
+}
+
static ir_mode *atomic_modes[ATOMIC_TYPE_LAST+1];
static ir_mode *mode_int, *mode_uint;
static ir_node *expression_to_firm(const expression_t *expression);
static void create_local_declaration(entity_t *entity);
+static unsigned decide_modulo_shift(unsigned type_size)
+{
+ if (architecture_modulo_shift == 0)
+ return 0;
+ if (type_size < architecture_modulo_shift)
+ return architecture_modulo_shift;
+ return type_size;
+}
+
static ir_mode *init_atomic_ir_mode(atomic_type_kind_t kind)
{
unsigned flags = get_atomic_type_flags(kind);
ir_mode_sort sort;
unsigned bit_size = size * 8;
bool is_signed = (flags & ATOMIC_TYPE_FLAG_SIGNED) != 0;
- unsigned modulo_shift;
+ unsigned modulo_shift = 0;
ir_mode_arithmetic arithmetic;
if (flags & ATOMIC_TYPE_FLAG_INTEGER) {
bit_size);
sort = irms_int_number;
arithmetic = irma_twos_complement;
- modulo_shift = bit_size < machine_size ? machine_size : bit_size;
+ modulo_shift = decide_modulo_shift(bit_size);
} else {
assert(flags & ATOMIC_TYPE_FLAG_FLOAT);
snprintf(name, sizeof(name), "F%u", 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);
/* there's no real void type in firm */
atomic_modes[ATOMIC_TYPE_VOID] = atomic_modes[ATOMIC_TYPE_CHAR];
-
- /* initialize pointer modes */
- char name[64];
- ir_mode_sort sort = irms_reference;
- unsigned bit_size = machine_size;
- bool is_signed = 0;
- ir_mode_arithmetic arithmetic = irma_twos_complement;
- unsigned modulo_shift
- = bit_size < machine_size ? machine_size : bit_size;
-
- snprintf(name, sizeof(name), "p%u", machine_size);
- ir_mode *ptr_mode = new_ir_mode(name, sort, bit_size, is_signed, arithmetic,
- modulo_shift);
-
- 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(ptr_mode);
- set_modeP_code(ptr_mode);
}
ir_mode *get_atomic_mode(atomic_type_kind_t kind)
type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
type_t *points_to = type->points_to;
ir_type *ir_points_to = get_ir_type_incomplete(points_to);
- ir_type *ir_type = new_d_type_pointer(ir_points_to, dbgi);
+ ir_type *irtype = new_d_type_pointer(ir_points_to, dbgi);
- return ir_type;
+ return irtype;
}
static ir_type *create_reference_type(reference_type_t *type)
type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
type_t *refers_to = type->refers_to;
ir_type *ir_refers_to = get_ir_type_incomplete(refers_to);
- ir_type *ir_type = new_d_type_pointer(ir_refers_to, dbgi);
+ ir_type *irtype = new_d_type_pointer(ir_refers_to, dbgi);
- return ir_type;
+ return irtype;
}
static ir_type *create_array_type(array_type_t *type)
type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
type_t *element_type = type->element_type;
ir_type *ir_element_type = get_ir_type(element_type);
- ir_type *ir_type = new_d_type_array(1, ir_element_type, dbgi);
+ ir_type *irtype = new_d_type_array(1, ir_element_type, dbgi);
const int align = get_type_alignment_bytes(ir_element_type);
- set_type_alignment_bytes(ir_type, align);
+ set_type_alignment_bytes(irtype, align);
if (type->size_constant) {
int n_elements = type->size;
- set_array_bounds_int(ir_type, 0, 0, n_elements);
+ set_array_bounds_int(irtype, 0, 0, n_elements);
size_t elemsize = get_type_size_bytes(ir_element_type);
if (elemsize % align > 0) {
elemsize += align - (elemsize % align);
}
- set_type_size_bytes(ir_type, n_elements * elemsize);
+ set_type_size_bytes(irtype, n_elements * elemsize);
} else {
- set_array_lower_bound_int(ir_type, 0, 0);
+ set_array_lower_bound_int(irtype, 0, 0);
}
- set_type_state(ir_type, layout_fixed);
+ set_type_state(irtype, layout_fixed);
- return ir_type;
+ return irtype;
}
/**
return res;
}
-static ir_type *create_bitfield_type(bitfield_type_t *const type)
+static ir_type *create_bitfield_type(const entity_t *entity)
{
- type_t *base = skip_typeref(type->base_type);
+ assert(entity->kind == ENTITY_COMPOUND_MEMBER);
+ type_t *base = skip_typeref(entity->declaration.type);
assert(base->kind == TYPE_ATOMIC || base->kind == TYPE_ENUM);
ir_type *irbase = get_ir_type(base);
- unsigned size = type->bit_size;
+ unsigned bit_size = entity->compound_member.bit_size;
assert(!is_type_float(base));
if (is_type_signed(base)) {
- return get_signed_int_type_for_bit_size(irbase, size,
- (const type_t*) type);
+ return get_signed_int_type_for_bit_size(irbase, bit_size, base);
} else {
- return get_unsigned_int_type_for_bit_size(irbase, size,
- (const type_t*) type);
+ return get_unsigned_int_type_for_bit_size(irbase, bit_size, base);
}
}
return compound->irtype;
}
- symbol_t *symbol = compound->base.symbol;
+ symbol_t *type_symbol = compound->base.symbol;
ident *id;
- if (symbol != NULL) {
- id = new_id_from_str(symbol->string);
+ if (type_symbol != NULL) {
+ id = new_id_from_str(type_symbol->string);
} else {
if (is_union) {
id = id_unique("__anonymous_union.%u");
ident *ident;
if (symbol == NULL) {
/* anonymous bitfield member, skip */
- if (entry_type->kind == TYPE_BITFIELD)
+ if (entry->compound_member.bitfield)
continue;
assert(entry_type->kind == TYPE_COMPOUND_STRUCT
|| entry_type->kind == TYPE_COMPOUND_UNION);
dbg_info *dbgi = get_dbg_info(&entry->base.source_position);
- ir_type *entry_irtype = get_ir_type(entry_type);
+ ir_type *entry_irtype;
+ if (entry->compound_member.bitfield) {
+ entry_irtype = create_bitfield_type(entry);
+ } else {
+ entry_irtype = get_ir_type(entry_type);
+ }
ir_entity *entity = new_d_entity(irtype, ident, entry_irtype, dbgi);
set_entity_offset(entity, entry->compound_member.offset);
case TYPE_ENUM:
firm_type = create_enum_type(&type->enumt);
break;
- case TYPE_BUILTIN:
- firm_type = get_ir_type(type->builtin.real_type);
- break;
- case TYPE_BITFIELD:
- firm_type = create_bitfield_type(&type->bitfield);
- break;
case TYPE_TYPEOF:
case TYPE_TYPEDEF:
- case TYPE_INVALID:
break;
}
if (firm_type == NULL)
return mode;
}
+/*
+ * 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)
{
ir_mode *mode = get_ir_mode_storage(type);
}
if (modifiers & DM_CONST) {
add_entity_additional_properties(irentity, mtp_property_const);
- have_const_functions = true;
}
}
if (modifiers & DM_USED) {
* Creates a SymConst for a given entity.
*
* @param dbgi debug info
- * @param mode the (reference) mode for the SymConst
* @param entity the entity
*/
-static ir_node *create_symconst(dbg_info *dbgi, ir_mode *mode,
- ir_entity *entity)
+static ir_node *create_symconst(dbg_info *dbgi, ir_entity *entity)
{
assert(entity != NULL);
union symconst_symbol sym;
sym.entity_p = entity;
- return new_d_SymConst(dbgi, mode, sym, symconst_addr_ent);
+ return new_d_SymConst(dbgi, mode_P, sym, symconst_addr_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))
+ if (value_mode == dest_mode)
return value;
if (dest_mode == mode_b) {
}
set_entity_initializer(entity, initializer);
- return create_symconst(dbgi, mode_P_data, entity);
+ return create_symconst(dbgi, entity);
}
/**
}
set_entity_initializer(entity, initializer);
- return create_symconst(dbgi, mode_P_data, entity);
+ return create_symconst(dbgi, entity);
}
static bool try_create_integer(literal_expression_t *literal,
static void create_integer_tarval(literal_expression_t *literal)
{
- unsigned us = 0;
- unsigned ls = 0;
- symbol_t *suffix = literal->suffix;
+ unsigned us = 0;
+ unsigned ls = 0;
+ const string_t *suffix = &literal->suffix;
/* parse suffix */
- if (suffix != NULL) {
- for (const char *c = suffix->string; *c != '\0'; ++c) {
+ if (suffix->size > 0) {
+ for (const char *c = suffix->begin; *c != '\0'; ++c) {
if (*c == 'u' || *c == 'U') { ++us; }
if (*c == 'l' || *c == 'L') { ++ls; }
}
}
case EXPR_LITERAL_CHARACTER: {
long long int v;
+ bool char_is_signed
+ = get_atomic_type_flags(ATOMIC_TYPE_CHAR) & ATOMIC_TYPE_FLAG_SIGNED;
if (size == 1 && char_is_signed) {
v = (signed char)string[0];
} else {
assert(entity != NULL);
ir_node *in[3];
in[0] = get_trampoline_region(dbgi, entity);
- in[1] = create_symconst(dbgi, mode, entity);
+ in[1] = create_symconst(dbgi, entity);
in[2] = get_irg_frame(current_ir_graph);
ir_node *irn = new_d_Builtin(dbgi, get_store(), 3, in, ir_bk_inner_trampoline, get_unknown_type());
return new_d_strictConv(dbgi, node, mode);
}
-/**
- * Returns the address of a global variable.
- *
- * @param dbgi debug info
- * @param variable the variable
- */
-static ir_node *get_global_var_address(dbg_info *const dbgi,
- const variable_t *const variable)
-{
- ir_entity *const irentity = variable->v.entity;
- if (variable->thread_local) {
- ir_node *const no_mem = new_NoMem();
- ir_node *const tls = get_irg_tls(current_ir_graph);
- return new_d_simpleSel(dbgi, no_mem, tls, irentity);
- } else {
- return create_symconst(dbgi, mode_P_data, irentity);
- }
-}
-
/**
* Returns the correct base address depending on whether it is a parameter or a
* normal local variable.
{
ir_graph *const irg = current_ir_graph;
const ir_type *const owner = get_entity_owner(ent);
- if (owner == current_outer_frame || owner == current_outer_value_type) {
+ if (owner == current_outer_frame) {
assert(current_static_link != NULL);
return current_static_link;
} else {
/* for gcc compatibility we have to produce (dummy) addresses for some
* builtins which don't have entities */
if (irentity == NULL) {
- if (warning.other) {
- warningf(&ref->base.source_position,
- "taking address of builtin '%Y'",
- ref->entity->base.symbol);
- }
+ source_position_t const *const pos = &ref->base.source_position;
+ symbol_t const *const sym = ref->entity->base.symbol;
+ warningf(WARN_OTHER, pos, "taking address of builtin '%Y'", sym);
/* simply create a NULL pointer */
ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
return create_conv(NULL, value, get_ir_mode_arithmetic(type));
}
case DECLARATION_KIND_FUNCTION: {
- ir_mode *const mode = get_ir_mode_storage(type);
- return create_symconst(dbgi, mode, entity->function.irentity);
+ return create_symconst(dbgi, entity->function.irentity);
}
case DECLARATION_KIND_INNER_FUNCTION: {
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.irentity);
+ return create_symconst(dbgi, entity->function.irentity);
} else {
/* need trampoline here */
return create_trampoline(dbgi, mode, entity->function.irentity);
}
case DECLARATION_KIND_GLOBAL_VARIABLE: {
const variable_t *variable = &entity->variable;
- ir_node *const addr = get_global_var_address(dbgi, variable);
+ ir_node *const addr = create_symconst(dbgi, variable->v.entity);
return deref_address(dbgi, variable->base.type, addr);
}
* as an indicator for no real address) */
return NULL;
case DECLARATION_KIND_GLOBAL_VARIABLE: {
- ir_node *const addr = get_global_var_address(dbgi, &entity->variable);
+ ir_node *const addr = create_symconst(dbgi, entity->variable.v.entity);
return addr;
}
case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY: {
return entity->variable.v.vla_base;
case DECLARATION_KIND_FUNCTION: {
- type_t *const type = skip_typeref(entity->declaration.type);
- ir_mode *const mode = get_ir_mode_storage(type);
- return create_symconst(dbgi, mode, entity->function.irentity);
+ return create_symconst(dbgi, entity->function.irentity);
}
case DECLARATION_KIND_INNER_FUNCTION: {
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.irentity);
+ return create_symconst(dbgi, entity->function.irentity);
} else {
/* need trampoline here */
return create_trampoline(dbgi, mode, entity->function.irentity);
assert(call->function->kind == EXPR_REFERENCE);
reference_expression_t *builtin = &call->function->reference;
- type_t *type = skip_typeref(builtin->base.type);
- assert(is_type_pointer(type));
+ type_t *expr_type = skip_typeref(builtin->base.type);
+ assert(is_type_pointer(expr_type));
- type_t *function_type = skip_typeref(type->pointer.points_to);
+ type_t *function_type = skip_typeref(expr_type->pointer.points_to);
switch (builtin->entity->function.btk) {
case bk_gnu_builtin_alloca: {
case bk_gnu_builtin_ffs:
return gen_unary_builtin(ir_bk_ffs, call->arguments->expression, function_type, dbgi);
case bk_gnu_builtin_clz:
+ case bk_gnu_builtin_clzl:
+ case bk_gnu_builtin_clzll:
return gen_unary_builtin(ir_bk_clz, call->arguments->expression, function_type, dbgi);
case bk_gnu_builtin_ctz:
+ case bk_gnu_builtin_ctzl:
+ case bk_gnu_builtin_ctzll:
return gen_unary_builtin(ir_bk_ctz, call->arguments->expression, function_type, dbgi);
case bk_gnu_builtin_popcount:
+ case bk_gnu_builtin_popcountl:
+ case bk_gnu_builtin_popcountll:
case bk_ms__popcount:
return gen_unary_builtin(ir_bk_popcount, call->arguments->expression, function_type, dbgi);
case bk_gnu_builtin_parity:
static ir_node *call_expression_to_firm(const call_expression_t *const call)
{
dbg_info *const dbgi = get_dbg_info(&call->base.source_position);
- assert(get_cur_block() != NULL);
+ assert(currently_reachable());
expression_t *function = call->function;
if (function->kind == EXPR_REFERENCE) {
expression_t *expression = argument->expression;
ir_node *arg_node = expression_to_firm(expression);
- type_t *type = skip_typeref(expression->base.type);
- if (!is_type_compound(type)) {
+ type_t *arg_type = skip_typeref(expression->base.type);
+ if (!is_type_compound(arg_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);
value = create_conv(dbgi, value, mode);
/* kill upper bits of value and shift to right position */
- int bitoffset = get_entity_offset_bits_remainder(entity);
- int bitsize = get_mode_size_bits(get_type_mode(entity_type));
-
+ int bitoffset = get_entity_offset_bits_remainder(entity);
+ int bitsize = get_mode_size_bits(get_type_mode(entity_type));
ir_tarval *mask = create_bitfield_mask(mode, 0, bitsize);
ir_node *mask_node = new_d_Const(dbgi, mask);
ir_node *value_masked = new_d_And(dbgi, value, mask_node, mode);
}
static ir_node *bitfield_extract_to_firm(const select_expression_t *expression,
- ir_node *addr)
-{
- dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
- type_t *type = expression->base.type;
- ir_mode *mode = get_ir_mode_storage(type);
- ir_node *mem = get_store();
- ir_node *load = new_d_Load(dbgi, mem, addr, mode, cons_none);
- 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);
-
- load_res = create_conv(dbgi, load_res, mode_int);
+ ir_node *addr)
+{
+ dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
+ entity_t *entity = expression->compound_entry;
+ type_t *base_type = entity->declaration.type;
+ ir_mode *mode = get_ir_mode_storage(base_type);
+ ir_node *mem = get_store();
+ ir_node *load = new_d_Load(dbgi, mem, addr, mode, cons_none);
+ 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);
+
+ ir_mode *amode = mode;
+ /* optimisation, since shifting in modes < machine_size is usually
+ * less efficient */
+ if (get_mode_size_bits(amode) < get_mode_size_bits(mode_uint)) {
+ amode = mode_uint;
+ }
+ unsigned amode_size = get_mode_size_bits(amode);
+ load_res = create_conv(dbgi, load_res, amode);
set_store(load_mem);
/* kill upper bits */
assert(expression->compound_entry->kind == ENTITY_COMPOUND_MEMBER);
- ir_entity *entity = expression->compound_entry->compound_member.entity;
- int bitoffset = get_entity_offset_bits_remainder(entity);
- ir_type *entity_type = get_entity_type(entity);
- int bitsize = get_mode_size_bits(get_type_mode(entity_type));
- long shift_bitsl = machine_size - bitoffset - bitsize;
- assert(shift_bitsl >= 0);
- ir_tarval *tvl = new_tarval_from_long(shift_bitsl, mode_uint);
- ir_node *countl = new_d_Const(dbgi, tvl);
- ir_node *shiftl = new_d_Shl(dbgi, load_res, countl, mode_int);
-
- long shift_bitsr = bitoffset + shift_bitsl;
- assert(shift_bitsr <= (long) machine_size);
- ir_tarval *tvr = new_tarval_from_long(shift_bitsr, mode_uint);
- ir_node *countr = new_d_Const(dbgi, tvr);
+ int bitoffset = entity->compound_member.bit_offset;
+ int bitsize = entity->compound_member.bit_size;
+ unsigned shift_bitsl = amode_size - bitoffset - bitsize;
+ ir_tarval *tvl = new_tarval_from_long((long)shift_bitsl, mode_uint);
+ ir_node *countl = new_d_Const(dbgi, tvl);
+ ir_node *shiftl = new_d_Shl(dbgi, load_res, countl, amode);
+
+ unsigned shift_bitsr = bitoffset + shift_bitsl;
+ assert(shift_bitsr <= amode_size);
+ ir_tarval *tvr = new_tarval_from_long((long)shift_bitsr, mode_uint);
+ ir_node *countr = new_d_Const(dbgi, tvr);
ir_node *shiftr;
if (mode_is_signed(mode)) {
- shiftr = new_d_Shrs(dbgi, shiftl, countr, mode_int);
+ shiftr = new_d_Shrs(dbgi, shiftl, countr, amode);
} else {
- shiftr = new_d_Shr(dbgi, shiftl, countr, mode_int);
+ shiftr = new_d_Shr(dbgi, shiftl, countr, amode);
}
- return create_conv(dbgi, shiftr, mode);
+ type_t *type = expression->base.type;
+ ir_mode *resmode = get_ir_mode_arithmetic(type);
+ return create_conv(dbgi, shiftr, resmode);
}
/* make sure the selected compound type is constructed */
entity_t *entity = select->compound_entry;
assert(entity->kind == ENTITY_COMPOUND_MEMBER);
- if (entity->declaration.type->kind == TYPE_BITFIELD) {
+ if (entity->compound_member.bitfield) {
ir_entity *irentity = entity->compound_member.entity;
bool set_volatile
= select->base.type->base.qualifiers & TYPE_QUALIFIER_VOLATILE;
ir_node *value;
if (expression->kind == EXPR_SELECT &&
- expression->select.compound_entry->declaration.type->kind == TYPE_BITFIELD){
+ expression->select.compound_entry->compound_member.bitfield) {
construct_select_compound(&expression->select);
value = bitfield_extract_to_firm(&expression->select, addr);
} else {
return res;
}
- expression_t *con;
+ expression_t *con = NULL;
if (is_local_variable(op1) && is_constant_expression(op2) == EXPR_CLASS_CONSTANT) {
var = op1->reference.entity;
con = op2;
}
}
-static ir_node *create_cast(dbg_info *dbgi, ir_node *value_node,
+static ir_node *create_cast(dbg_info *dbgi, ir_node *value_node,
type_t *from_type, type_t *type)
{
type = skip_typeref(type);
const variable_t *to_var = type->pointer.base_variable;
if (from_var != to_var) {
if (from_var != NULL) {
- ir_node *const addr = get_global_var_address(dbgi, from_var);
+ ir_node *const addr = create_symconst(dbgi, from_var->v.entity);
ir_node *const base = deref_address(dbgi, from_var->base.type, addr);
value_node = new_d_Add(dbgi, value_node, base, get_ir_mode_storage(from_type));
}
if (to_var != NULL) {
- ir_node *const addr = get_global_var_address(dbgi, to_var);
+ ir_node *const addr = create_symconst(dbgi, to_var->v.entity);
ir_node *const base = deref_address(dbgi, to_var->base.type, addr);
value_node = new_d_Sub(dbgi, value_node, base, mode);
}
/* check for __based */
const variable_t *const base_var = value_type->pointer.base_variable;
if (base_var != NULL) {
- ir_node *const addr = get_global_var_address(dbgi, base_var);
+ ir_node *const addr = create_symconst(dbgi, base_var->v.entity);
ir_node *const base = deref_address(dbgi, base_var->base.type, addr);
value_node = new_d_Add(dbgi, value_node, base, get_ir_mode_storage(value_type));
}
case EXPR_UNARY_PREFIX_INCREMENT:
case EXPR_UNARY_PREFIX_DECREMENT:
return create_incdec(expression);
- case EXPR_UNARY_CAST_IMPLICIT:
case EXPR_UNARY_CAST: {
ir_node *value_node = expression_to_firm(value);
type_t *from_type = value->base.type;
case EXPR_BINARY_SHIFTRIGHT:
case EXPR_BINARY_SHIFTLEFT_ASSIGN:
case EXPR_BINARY_SHIFTRIGHT_ASSIGN:
- mode = get_irn_mode(left);
+ mode = get_ir_mode_arithmetic(expression->base.type);
right = create_conv(dbgi, right, mode_uint);
break;
return get_Const_tarval(cnst);
}
+/* this function is only used in parser.c, but it relies on libfirm functionality */
+bool constant_is_negative(const expression_t *expression)
+{
+ assert(is_constant_expression(expression) == EXPR_CLASS_CONSTANT);
+ ir_tarval *tv = fold_constant_to_tarval(expression);
+ return tarval_is_negative(tv);
+}
+
long fold_constant_to_int(const expression_t *expression)
{
- if (expression->kind == EXPR_INVALID)
+ if (expression->kind == EXPR_ERROR)
return 0;
ir_tarval *tv = fold_constant_to_tarval(expression);
bool fold_constant_to_bool(const expression_t *expression)
{
- if (expression->kind == EXPR_INVALID)
+ if (expression->kind == EXPR_ERROR)
return false;
ir_tarval *tv = fold_constant_to_tarval(expression);
return !tarval_is_null(tv);
(const expression_t*) expression);
type = skip_typeref(type);
- entity_t *entry = expression->compound_entry;
+ entity_t *entry = expression->compound_entry;
assert(entry->kind == ENTITY_COMPOUND_MEMBER);
- type_t *entry_type = skip_typeref(entry->declaration.type);
- if (entry_type->kind == TYPE_BITFIELD) {
+ if (entry->compound_member.bitfield) {
return bitfield_extract_to_firm(expression, addr);
}
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 */
case TYPE_POINTER: tc = pointer_type_class; goto make_const;
/* gcc classifies the referenced type */
case TYPE_REFERENCE: type = type->reference.refers_to; continue;
- case TYPE_BUILTIN:
/* typedef/typeof should be skipped already */
case TYPE_TYPEDEF:
case TYPE_TYPEOF:
- case TYPE_INVALID:
case TYPE_ERROR:
break;
}
static ir_node *va_start_expression_to_firm(
const va_start_expression_t *const expr)
{
+ ir_graph *const irg = current_ir_graph;
type_t *const type = current_function_entity->declaration.type;
ir_type *const method_type = get_ir_type(type);
- int const n = get_method_n_params(method_type) - 1;
- ir_entity *const parm_ent = get_method_value_param_ent(method_type, n);
- ir_node *const frame = get_irg_frame(current_ir_graph);
+ size_t const n = get_method_n_params(method_type) - 1;
+ ir_type *frame_type = get_irg_frame_type(irg);
+ ir_type *param_irtype = get_method_param_type(method_type, n);
+ ir_entity *const param_ent =
+ new_parameter_entity(frame_type, n, param_irtype);
+ ir_node *const frame = get_irg_frame(irg);
dbg_info *const dbgi = get_dbg_info(&expr->base.source_position);
ir_node *const no_mem = new_NoMem();
ir_node *const arg_sel =
- new_d_simpleSel(dbgi, no_mem, frame, parm_ent);
+ new_d_simpleSel(dbgi, no_mem, frame, param_ent);
type_t *const param_type = expr->parameter->base.type;
ir_node *const cnst = get_type_size_node(param_type);
return new_d_SymConst(dbgi, mode_P_code, value, symconst_addr_ent);
}
+static ir_node *error_to_firm(const expression_t *expression)
+{
+ ir_mode *mode = get_ir_mode_arithmetic(expression->base.type);
+ return new_Bad(mode);
+}
+
/**
* creates firm nodes for an expression. The difference between this function
* and expression_to_firm is, that this version might produce mode_b nodes
case EXPR_LABEL_ADDRESS:
return label_address_to_firm(&expression->label_address);
- case EXPR_UNKNOWN:
- case EXPR_INVALID:
- break;
+ case EXPR_ERROR:
+ return error_to_firm(expression);
}
panic("invalid expression found");
}
if (is_builtin_expect(expression) && is_Cond(cond)) {
call_argument_t *argument = expression->call.arguments->next;
if (is_constant_expression(argument->expression) == EXPR_CLASS_CONSTANT) {
- bool cnst = fold_constant_to_bool(argument->expression);
- cond_jmp_predicate pred;
-
- if (cnst == false) {
- pred = COND_JMP_PRED_FALSE;
- } else {
- pred = COND_JMP_PRED_TRUE;
- }
+ bool const cnst = fold_constant_to_bool(argument->expression);
+ cond_jmp_predicate const pred = cnst ? COND_JMP_PRED_TRUE : COND_JMP_PRED_FALSE;
set_Cond_jmp_pred(cond, pred);
}
}
add_immBlock_pred(true_block, true_proj);
add_immBlock_pred(false_block, false_proj);
- set_cur_block(NULL);
+ set_unreachable_now();
return cond_expr;
}
}
type_t *type = initializer->value->base.type;
expression_t *expr = initializer->value;
- if (initializer_use_bitfield_basetype) {
- type_t *skipped = skip_typeref(type);
- if (skipped->kind == TYPE_BITFIELD) {
- /* remove the bitfield cast... */
- assert(expr->kind == EXPR_UNARY_CAST_IMPLICIT);
- expr = expr->unary.value;
- type = skipped->bitfield.base_type;
- }
- }
ir_node *value = expression_to_firm(expr);
ir_mode *mode = get_ir_mode_storage(type);
value = create_conv(NULL, value, mode);
}
if (is_constant_initializer(initializer) == EXPR_CLASS_VARIABLE) {
- bool old_initializer_use_bitfield_basetype
- = initializer_use_bitfield_basetype;
- initializer_use_bitfield_basetype = true;
ir_initializer_t *irinitializer
= create_ir_initializer(initializer, type);
- initializer_use_bitfield_basetype
- = old_initializer_use_bitfield_basetype;
create_dynamic_initializer(irinitializer, dbgi, entity);
return;
set_entity_initializer(init_entity, irinitializer);
- ir_node *const src_addr = create_symconst(dbgi, mode_P_data, init_entity);
+ ir_node *const src_addr = create_symconst(dbgi, init_entity);
ir_node *const copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
ir_node *const copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M);
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);
+ type_t *init_type = initializer_value->value->base.type;
+ ir_mode *mode = get_ir_mode_storage(init_type);
value = create_conv(dbgi, value, mode);
value = do_strict_conv(dbgi, value);
{
assert(entity->kind == ENTITY_VARIABLE);
assert(entity->variable.initializer == NULL);
- assert(get_cur_block() != NULL);
+ assert(currently_reachable());
dbg_info *dbgi = get_dbg_info(&entity->base.source_position);
type_t *type = entity->declaration.type;
static void return_statement_to_firm(return_statement_t *statement)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return;
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
type_t *type = current_function_entity->declaration.type;
ir_type *func_irtype = get_ir_type(type);
-
ir_node *in[1];
int in_len;
if (get_method_n_ress(func_irtype) > 0) {
if (statement->value != NULL) {
ir_node *node = expression_to_firm(statement->value);
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);
+ type_t *ret_value_type = statement->value->base.type;
+ ir_mode *mode = get_ir_mode_storage(ret_value_type);
+ node = create_conv(dbgi, node, mode);
+ node = do_strict_conv(dbgi, node);
}
in[0] = node;
} else {
ir_node *end_block = get_irg_end_block(current_ir_graph);
add_immBlock_pred(end_block, ret);
- set_cur_block(NULL);
+ set_unreachable_now();
}
static ir_node *expression_statement_to_firm(expression_statement_t *statement)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return NULL;
return expression_to_firm(statement->expression);
// no need to emit code in dead blocks
if (entity->declaration.storage_class != STORAGE_CLASS_STATIC
- && get_cur_block() == NULL)
+ && !currently_reachable())
return;
switch ((declaration_kind_t) entity->declaration.kind) {
/* Create the condition. */
ir_node *true_block = NULL;
ir_node *false_block = NULL;
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
true_block = new_immBlock();
false_block = new_immBlock();
create_condition_evaluation(statement->condition, true_block, false_block);
}
set_cur_block(false_block);
statement_to_firm(statement->false_statement);
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
fallthrough_block = new_immBlock();
add_immBlock_pred(fallthrough_block, new_Jmp());
}
/* Create the true statement. */
set_cur_block(true_block);
statement_to_firm(statement->true_statement);
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
if (fallthrough_block == NULL) {
fallthrough_block = new_immBlock();
}
* reachable. */
static void jump_if_reachable(ir_node *const target_block)
{
- if (get_cur_block() != NULL) {
- add_immBlock_pred(target_block, new_Jmp());
- }
+ ir_node *const pred = currently_reachable() ? new_Jmp() : new_Bad(mode_X);
+ add_immBlock_pred(target_block, pred);
}
static void while_statement_to_firm(while_statement_t *statement)
create_local_declaration(entity);
}
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
entity = statement->scope.entities;
for ( ; entity != NULL; entity = entity->base.next) {
if (!is_declaration(entity))
static void create_jump_statement(const statement_t *statement,
ir_node *target_block)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return;
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *jump = new_d_Jmp(dbgi);
add_immBlock_pred(target_block, jump);
- set_cur_block(NULL);
+ set_unreachable_now();
}
static void switch_statement_to_firm(switch_statement_t *statement)
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *cond = NULL;
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
ir_node *expression = expression_to_firm(statement->expression);
cond = new_d_Cond(dbgi, expression);
first_block = get_cur_block();
}
- set_cur_block(NULL);
+ set_unreachable_now();
ir_node *const old_switch_cond = current_switch_cond;
ir_node *const old_break_label = break_label;
default_proj_nr = l->last_case;
}
- if (default_proj_nr == INT_MAX) {
+ if (default_proj_nr == LONG_MAX) {
/* Bad: an overflow will occur, we cannot be sure that the
* maximum + 1 is a free number. Scan the values a second
* time to find a free number.
static void goto_to_firm(const goto_statement_t *statement)
{
- if (get_cur_block() == NULL)
+ if (!currently_reachable())
return;
if (statement->expression) {
ir_node *jmp = new_Jmp();
add_immBlock_pred(block, jmp);
}
- set_cur_block(NULL);
+ set_unreachable_now();
}
static void asm_statement_to_firm(const asm_statement_t *statement)
asm_constraint_flags_t asm_flags
= be_parse_asm_constraints(constraints);
- if (asm_flags & ASM_CONSTRAINT_FLAG_NO_SUPPORT) {
- warningf(&statement->base.source_position,
- "some constraints in '%s' are not supported", constraints);
- }
- if (asm_flags & ASM_CONSTRAINT_FLAG_INVALID) {
- errorf(&statement->base.source_position,
- "some constraints in '%s' are invalid", constraints);
- continue;
- }
- if (! (asm_flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE)) {
- errorf(&statement->base.source_position,
- "no write flag specified for output constraints '%s'",
- constraints);
- continue;
+ {
+ source_position_t const *const pos = &statement->base.source_position;
+ if (asm_flags & ASM_CONSTRAINT_FLAG_NO_SUPPORT) {
+ warningf(WARN_OTHER, pos, "some constraints in '%s' are not supported", constraints);
+ }
+ if (asm_flags & ASM_CONSTRAINT_FLAG_INVALID) {
+ errorf(pos, "some constraints in '%s' are invalid", constraints);
+ continue;
+ }
+ if (! (asm_flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE)) {
+ errorf(pos, "no write flag specified for output constraints '%s'", constraints);
+ continue;
+ }
}
unsigned pos = next_pos++;
}
}
-static void ms_try_statement_to_firm(ms_try_statement_t *statement)
+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");
+ source_position_t const *const pos = &statement->base.source_position;
+ warningf(WARN_OTHER, pos, "structured exception handling ignored");
}
-static void leave_statement_to_firm(leave_statement_t *statement)
+static void leave_statement_to_firm(leave_statement_t *statement)
{
errorf(&statement->base.source_position, "__leave not supported yet");
}
#endif
switch (statement->kind) {
- case STATEMENT_INVALID:
- panic("invalid statement found");
+ case STATEMENT_ERROR:
+ panic("error statement found");
case STATEMENT_EMPTY:
/* nothing */
return;
assert(entity->kind == ENTITY_FUNCTION);
ir_graph *irg = current_ir_graph;
ir_node *args = get_irg_args(irg);
- ir_type *function_irtype = get_ir_type(entity->declaration.type);
- int first_param_nr = 0;
+ int n = 0;
+ ir_type *function_irtype;
if (entity->function.need_closure) {
/* add an extra parameter for the static link */
entity->function.static_link = new_r_Proj(args, mode_P_data, 0);
- ++first_param_nr;
+ ++n;
+
+ /* Matze: IMO this is wrong, nested functions should have an own
+ * type and not rely on strange parameters... */
+ function_irtype = create_method_type(&entity->declaration.type->function, true);
+ } else {
+ function_irtype = get_ir_type(entity->declaration.type);
}
- int n = 0;
+
+
entity_t *parameter = entity->function.parameters.entities;
for ( ; parameter != NULL; parameter = parameter->base.next, ++n) {
if (parameter->kind != ENTITY_PARAMETER)
needs_entity = true;
}
+ ir_type *param_irtype = get_method_param_type(function_irtype, n);
if (needs_entity) {
- ir_entity *entity = get_method_value_param_ent(function_irtype, n);
- ident *id = new_id_from_str(parameter->base.symbol->string);
- set_entity_ident(entity, id);
-
+ ir_type *frame_type = get_irg_frame_type(irg);
+ ir_entity *param
+ = new_parameter_entity(frame_type, n, param_irtype);
parameter->declaration.kind
= DECLARATION_KIND_PARAMETER_ENTITY;
- parameter->parameter.v.entity = entity;
+ parameter->parameter.v.entity = param;
continue;
}
- ir_type *param_irtype = get_method_param_type(function_irtype, n);
- ir_mode *param_mode = get_type_mode(param_irtype);
-
- long pn = n + first_param_nr;
- ir_node *value = new_r_Proj(args, param_mode, pn);
+ ir_mode *param_mode = get_type_mode(param_irtype);
+ long pn = n;
+ ir_node *value = new_r_Proj(args, param_mode, pn);
ir_mode *mode = get_ir_mode_storage(type);
value = create_conv(NULL, value, mode);
ir_graph *old_current_function = current_function;
current_function = irg;
- set_irg_fp_model(irg, firm_opt.fp_model);
+ set_irg_fp_model(irg, firm_fp_model);
tarval_enable_fp_ops(1);
set_irn_dbg_info(get_irg_start_block(irg),
get_entity_dbg_info(function_entity));
ir_node *end_block = get_irg_end_block(irg);
/* do we have a return statement yet? */
- if (get_cur_block() != NULL) {
+ if (currently_reachable()) {
type_t *type = skip_typeref(entity->declaration.type);
assert(is_type_function(type));
const function_type_t *func_type = &type->function;
if (has_computed_gotos) {
/* if we have computed goto's in the function, we cannot inline it */
if (get_irg_inline_property(irg) >= irg_inline_recomended) {
- warningf(&entity->base.source_position,
- "function '%Y' can never be inlined because it contains a computed goto",
- entity->base.symbol);
+ source_position_t const *const pos = &entity->base.source_position;
+ warningf(WARN_OTHER, pos, "'%N' can never be inlined because it contains a computed goto", entity);
}
set_irg_inline_property(irg, irg_inline_forbidden);
}
int align_all = 4;
int offset = 0;
for (int i = 0; i < n; ++i) {
- ir_entity *entity = get_compound_member(frame_type, i);
- ir_type *entity_type = get_entity_type(entity);
+ ir_entity *member = get_compound_member(frame_type, i);
+ ir_type *entity_type = get_entity_type(member);
int align = get_type_alignment_bytes(entity_type);
if (align > align_all)
}
}
- set_entity_offset(entity, offset);
+ set_entity_offset(member, offset);
offset += get_type_size_bytes(entity_type);
}
set_type_size_bytes(frame_type, offset);
if (inner != NULL) {
ir_type *rem_outer_frame = current_outer_frame;
current_outer_frame = get_irg_frame_type(current_ir_graph);
- ir_type *rem_outer_value_type = current_outer_value_type;
- current_outer_value_type = get_irg_value_param_type(current_ir_graph);
for (int i = ARR_LEN(inner) - 1; i >= 0; --i) {
create_function(inner[i]);
}
DEL_ARR_F(inner);
- current_outer_value_type = rem_outer_value_type;
current_outer_frame = rem_outer_frame;
}
}
projects / cparser / blobdiff