#include "adt/error.h"
#include "adt/array.h"
+#include "adt/util.h"
#include "symbol_t.h"
#include "token_t.h"
#include "type_t.h"
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;
+
+/* alignment of stack parameters */
+static unsigned stack_param_align;
+
static int next_value_number_function;
static ir_node *continue_label;
static ir_node *break_label;
DECLARATION_KIND_GLOBAL_VARIABLE,
DECLARATION_KIND_LOCAL_VARIABLE,
DECLARATION_KIND_LOCAL_VARIABLE_ENTITY,
+ DECLARATION_KIND_PARAMETER,
+ DECLARATION_KIND_PARAMETER_ENTITY,
DECLARATION_KIND_FUNCTION,
DECLARATION_KIND_COMPOUND_MEMBER,
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)
ir_node *uninitialized_local_var(ir_graph *irg, ir_mode *mode, int pos)
{
- const variable_t *variable = get_irg_loc_description(irg, pos);
+ const entity_t *entity = get_irg_loc_description(irg, pos);
- if (variable != NULL) {
- warningf(&variable->base.base.source_position,
- "variable '%#T' might be used uninitialized",
- variable->base.type, variable->base.base.symbol);
+ 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);
}
return new_r_Unknown(irg, mode);
}
ir_mode_sort sort;
unsigned bit_size = size * 8;
bool is_signed = (flags & ATOMIC_TYPE_FLAG_SIGNED) != 0;
+ unsigned modulo_shift;
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;
} 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;
}
- /* note: modulo_shift is 0, as in C it's undefined anyway to shift
- * a too big amount */
return new_ir_mode(name, sort, bit_size, is_signed, arithmetic,
- 0);
+ modulo_shift);
}
return NULL;
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];
return atomic_modes[kind];
}
-static unsigned get_compound_type_size(compound_type_t *type)
+static ir_node *get_vla_size(array_type_t *const type)
{
- ir_type *irtype = get_ir_type((type_t*) type);
- return get_type_size_bytes(irtype);
-}
-
-static unsigned get_array_type_size(array_type_t *type)
-{
- assert(!type->is_vla);
- ir_type *irtype = get_ir_type((type_t*) type);
- return get_type_size_bytes(irtype);
-}
-
-static unsigned get_type_size_const(type_t *type)
-{
- switch(type->kind) {
- case TYPE_ERROR:
- panic("error type occurred");
- case TYPE_ATOMIC:
- return get_atomic_type_size(type->atomic.akind);
- case TYPE_COMPLEX:
- return 2 * get_atomic_type_size(type->complex.akind);
- case TYPE_IMAGINARY:
- return get_atomic_type_size(type->imaginary.akind);
- case TYPE_ENUM:
- return get_mode_size_bytes(mode_int);
- case TYPE_COMPOUND_UNION:
- case TYPE_COMPOUND_STRUCT:
- return get_compound_type_size(&type->compound);
- case TYPE_FUNCTION:
- /* just a pointer to the function */
- return get_mode_size_bytes(mode_P_code);
- case TYPE_POINTER:
- case TYPE_REFERENCE:
- return get_mode_size_bytes(mode_P_data);
- case TYPE_ARRAY:
- return get_array_type_size(&type->array);
- case TYPE_BUILTIN:
- return get_type_size_const(type->builtin.real_type);
- case TYPE_BITFIELD:
- panic("type size of bitfield request");
- case TYPE_TYPEDEF:
- case TYPE_TYPEOF:
- case TYPE_INVALID:
- break;
+ ir_node *size_node = type->size_node;
+ if (size_node == NULL) {
+ size_node = expression_to_firm(type->size_expression);
+ type->size_node = size_node;
}
- panic("Trying to determine size of invalid type");
+ return size_node;
}
+/**
+ * Return a node representing the size of a type.
+ */
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);
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;
}
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;
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)
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);
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);
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 */
{ rts_strncmp, 1, "strncmp", 3, _C89 }
};
-static ident *rts_idents[sizeof(rts_data) / sizeof(rts_data[0])];
+static ident *rts_idents[lengthof(rts_data)];
static ident* (*create_ld_ident)(entity_t*) = create_name_linux_elf;
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;
}
}
this is not needed. */
if (! firm_opt.freestanding) {
/* check for a known runtime function */
- for (size_t i = 0; i < sizeof(rts_data) / sizeof(rts_data[0]); ++i) {
+ for (size_t i = 0; i < lengthof(rts_data); ++i) {
if (id != rts_idents[i])
continue;
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;
tv = new_tarval_from_str(buf, len, mode);
}
- return new_d_Const(dbgi, mode, 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);
}
/**
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) {
- if (char_is_signed) {
- v = (v << 8) | ((signed char)cnst->v.character.begin[i]);
- } else {
+ long long int v;
+ size_t const size = cnst->v.character.size;
+ if (size == 1 && char_is_signed) {
+ v = (signed char)cnst->v.character.begin[0];
+ } else {
+ v = 0;
+ for (size_t i = 0; i < size; ++i) {
v = (v << 8) | ((unsigned char)cnst->v.character.begin[i]);
}
}
size_t len = snprintf(buf, sizeof(buf), "%lld", v);
tarval *tv = new_tarval_from_str(buf, len, mode);
- return new_d_Const(dbgi, mode, tv);
+ return new_d_Const(dbgi, tv);
}
/**
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];
size_t len = snprintf(buf, sizeof(buf), "%lld", v);
tarval *tv = new_tarval_from_str(buf, len, mode);
- return new_d_Const(dbgi, mode, tv);
+ return new_d_Const(dbgi, tv);
}
/**
return addr;
}
+ ir_cons_flags flags = type->base.qualifiers & TYPE_QUALIFIER_VOLATILE
+ ? cons_volatile : cons_none;
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);
}
/**
- * Creates a strict Conv if neccessary.
+ * Creates a strict Conv if necessary.
*/
static ir_node *do_strict_conv(dbg_info *dbgi, ir_node *node)
{
}
}
-static ir_node *create_conv(dbg_info *dbgi, ir_node *value, ir_mode *dest_mode)
-{
- ir_mode *value_mode = get_irn_mode(value);
-
- if (value_mode == dest_mode || is_Bad(value))
- return value;
-
- if (dest_mode == mode_b) {
- ir_node *zero = new_Const(value_mode, get_mode_null(value_mode));
- ir_node *cmp = new_d_Cmp(dbgi, value, zero);
- ir_node *proj = new_d_Proj(dbgi, cmp, mode_b, pn_Cmp_Lg);
- return proj;
- }
-
- return new_d_Conv(dbgi, value, dest_mode);
-}
-
/**
* Keep all memory edges of the given block.
*/
-static void keep_all_memory(ir_node *block) {
+static void keep_all_memory(ir_node *block)
+{
ir_node *old = get_cur_block();
set_cur_block(block);
/* make sure the type is constructed */
(void) get_ir_type(type);
- ir_mode *const mode = get_ir_mode(type);
- return new_Const(mode, entity->enum_value.tv);
+ return new_Const(entity->enum_value.tv);
}
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_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);
+
+ if (entity->function.btk != bk_none) {
+ /* for gcc compatibility we have to produce (dummy) addresses for some
+ * builtins */
+ if (warning.other) {
+ warningf(&ref->base.source_position,
+ "taking address of builtin '%Y'", ref->entity->base.symbol);
+ }
+
+ /* simply create a NULL pointer */
+ ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
+ ir_node *res = new_Const_long(mode, 0);
+
+ return res;
+ }
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);
ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, irentity);
return deref_address(dbgi, entity->declaration.type, sel);
}
+ case DECLARATION_KIND_PARAMETER_ENTITY: {
+ ir_entity *irentity = entity->parameter.v.entity;
+ ir_node *frame = get_local_frame(irentity);
+ ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, irentity);
+ return deref_address(dbgi, entity->declaration.type, sel);
+ }
case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY:
return entity->variable.v.vla_base;
switch((declaration_kind_t) entity->declaration.kind) {
case DECLARATION_KIND_UNKNOWN:
break;
+ case DECLARATION_KIND_PARAMETER:
case DECLARATION_KIND_LOCAL_VARIABLE:
/* you can store to a local variable (so we don't panic but return NULL
* as an indicator for no real address) */
return sel;
}
+ case DECLARATION_KIND_PARAMETER_ENTITY: {
+ ir_entity *irentity = entity->parameter.v.entity;
+ ir_node *frame = get_local_frame(irentity);
+ ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, irentity);
+
+ return sel;
+ }
case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY:
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(type);
+ ir_mode *const mode = get_ir_mode_storage(type);
return create_symconst(dbgi, mode, entity->function.entity);
}
panic("reference to declaration with unknown type found");
}
+/**
+ * Generate an unary builtin.
+ *
+ * @param kind the builtin kind to generate
+ * @param op the operand
+ * @param function_type the function type for the GNU builtin routine
+ * @param db debug info
+ */
+static ir_node *gen_unary_builtin(ir_builtin_kind kind, expression_t *op, type_t *function_type, dbg_info *db)
+{
+ ir_node *in[1];
+ in[0] = expression_to_firm(op);
+
+ ir_type *tp = get_ir_type(function_type);
+ ir_type *res = get_method_res_type(tp, 0);
+ ir_node *irn = new_d_Builtin(db, get_irg_no_mem(current_ir_graph), kind, 1, in, tp);
+ set_irn_pinned(irn, op_pin_state_floats);
+ return new_Proj(irn, get_type_mode(res), pn_Builtin_1_result);
+}
+
+/**
+ * Generate a pinned unary builtin.
+ *
+ * @param kind the builtin kind to generate
+ * @param op the operand
+ * @param function_type the function type for the GNU builtin routine
+ * @param db debug info
+ */
+static ir_node *gen_unary_builtin_pinned(ir_builtin_kind kind, expression_t *op, type_t *function_type, dbg_info *db)
+{
+ ir_node *in[1];
+ in[0] = expression_to_firm(op);
+
+ ir_type *tp = get_ir_type(function_type);
+ ir_type *res = get_method_res_type(tp, 0);
+ ir_node *mem = get_store();
+ ir_node *irn = new_d_Builtin(db, mem, kind, 1, in, tp);
+ set_store(new_Proj(irn, mode_M, pn_Builtin_M));
+ return new_Proj(irn, get_type_mode(res), pn_Builtin_1_result);
+}
+
+
+/**
+ * Generate an binary-void-return builtin.
+ *
+ * @param kind the builtin kind to generate
+ * @param op1 the first operand
+ * @param op2 the second operand
+ * @param function_type the function type for the GNU builtin routine
+ * @param db debug info
+ */
+static ir_node *gen_binary_builtin_mem(ir_builtin_kind kind, expression_t *op1, expression_t *op2,
+ type_t *function_type, dbg_info *db)
+{
+ ir_node *in[2];
+ in[0] = expression_to_firm(op1);
+ in[1] = expression_to_firm(op2);
+
+ ir_type *tp = get_ir_type(function_type);
+ ir_node *mem = get_store();
+ ir_node *irn = new_d_Builtin(db, mem, kind, 2, in, tp);
+ set_store(new_Proj(irn, mode_M, pn_Builtin_M));
+ return NULL;
+}
+
/**
* Transform calls to builtin functions.
*/
{
dbg_info *dbgi = get_dbg_info(&call->base.source_position);
- assert(call->function->kind == EXPR_BUILTIN_SYMBOL);
- builtin_symbol_expression_t *builtin = &call->function->builtin_symbol;
+ 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 *function_type = skip_typeref(type->pointer.points_to);
- symbol_t *symbol = builtin->symbol;
- switch(symbol->ID) {
- case T___builtin_alloca: {
+ switch (builtin->entity->function.btk) {
+ case bk_gnu_builtin_alloca: {
if (call->arguments == NULL || call->arguments->next != NULL) {
panic("invalid number of parameters on __builtin_alloca");
}
return res;
}
- case T___builtin_huge_val:
- case T___builtin_inf:
- case T___builtin_inff:
- case T___builtin_infl: {
- ir_mode *mode = get_ir_mode(function_type->function.return_type);
+ case bk_gnu_builtin_huge_val:
+ case bk_gnu_builtin_inf:
+ case bk_gnu_builtin_inff:
+ case bk_gnu_builtin_infl: {
+ 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, mode, tv);
+ ir_node *res = new_d_Const(dbgi, tv);
return res;
}
- case T___builtin_nan:
- case T___builtin_nanf:
- case T___builtin_nanl: {
+ case bk_gnu_builtin_nan:
+ case bk_gnu_builtin_nanf:
+ case bk_gnu_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, mode, tv);
+ ir_node *res = new_d_Const(dbgi, tv);
return res;
}
- case T___builtin_va_end:
+ case bk_gnu_builtin_expect: {
+ expression_t *argument = call->arguments->expression;
+ return _expression_to_firm(argument);
+ }
+ case bk_gnu_builtin_va_end:
+ /* evaluate the argument of va_end for its side effects */
+ _expression_to_firm(call->arguments->expression);
+ return NULL;
+ case bk_gnu_builtin_frame_address: {
+ expression_t *const expression = call->arguments->expression;
+ long val = fold_constant(expression);
+ if (val == 0) {
+ /* the nice case */
+ return get_irg_frame(current_ir_graph);
+ } else {
+ /* get the argument */
+ ir_node *in[2];
+
+ in[0] = expression_to_firm(expression);
+ in[1] = get_irg_frame(current_ir_graph);
+ ir_type *tp = get_ir_type(function_type);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_frame_addess, 2, in, tp);
+ return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
+ }
+ }
+ case bk_gnu_builtin_return_address: {
+ expression_t *const expression = call->arguments->expression;
+ ir_node *in[2];
+
+ in[0] = expression_to_firm(expression);
+ in[1] = get_irg_frame(current_ir_graph);
+ ir_type *tp = get_ir_type(function_type);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_return_address, 2, in, tp);
+ return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
+ }
+ case bk_gnu_builtin_ffs:
+ return gen_unary_builtin(ir_bk_ffs, call->arguments->expression, function_type, dbgi);
+ case bk_gnu_builtin_clz:
+ return gen_unary_builtin(ir_bk_clz, call->arguments->expression, function_type, dbgi);
+ case bk_gnu_builtin_ctz:
+ return gen_unary_builtin(ir_bk_ctz, call->arguments->expression, function_type, dbgi);
+ case bk_gnu_builtin_popcount:
+ case bk_ms__popcount:
+ return gen_unary_builtin(ir_bk_popcount, call->arguments->expression, function_type, dbgi);
+ case bk_gnu_builtin_parity:
+ return gen_unary_builtin(ir_bk_parity, call->arguments->expression, function_type, dbgi);
+ case bk_gnu_builtin_prefetch: {
+ call_argument_t *const args = call->arguments;
+ expression_t *const addr = args->expression;
+ ir_node *in[3];
+
+ in[0] = _expression_to_firm(addr);
+ if (args->next != NULL) {
+ expression_t *const rw = args->next->expression;
+
+ in[1] = _expression_to_firm(rw);
+
+ if (args->next->next != NULL) {
+ expression_t *const locality = args->next->next->expression;
+
+ in[2] = expression_to_firm(locality);
+ } else {
+ in[2] = new_Const_long(mode_int, 3);
+ }
+ } else {
+ in[1] = new_Const_long(mode_int, 0);
+ in[2] = new_Const_long(mode_int, 3);
+ }
+ ir_type *tp = get_ir_type(function_type);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_prefetch, 3, in, tp);
+ set_store(new_Proj(irn, mode_M, pn_Builtin_M));
+ return NULL;
+ }
+ case bk_gnu_builtin_trap:
+ case bk_ms__ud2:
+ {
+ ir_type *tp = get_ir_type(function_type);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_trap, 0, NULL, tp);
+ set_store(new_Proj(irn, mode_M, pn_Builtin_M));
return NULL;
+ }
+ case bk_ms__debugbreak: {
+ ir_type *tp = get_ir_type(function_type);
+ ir_node *irn = new_d_Builtin(dbgi, get_store(), ir_bk_debugbreak, 0, NULL, tp);
+ set_store(new_Proj(irn, mode_M, pn_Builtin_M));
+ return NULL;
+ }
+ case bk_ms_ReturnAddress: {
+ ir_node *in[2];
+
+ in[0] = new_Const_long(mode_int, 0);
+ in[1] = get_irg_frame(current_ir_graph);
+ ir_type *tp = get_ir_type(function_type);
+ ir_node *irn = new_d_Builtin(dbgi, get_irg_no_mem(current_ir_graph), ir_bk_return_address, 2, in, tp);
+ return new_Proj(irn, mode_P_data, pn_Builtin_1_result);
+ }
+ case bk_ms_rotl:
+ case bk_ms_rotl64: {
+ ir_node *val = expression_to_firm(call->arguments->expression);
+ ir_node *shf = expression_to_firm(call->arguments->next->expression);
+ ir_mode *mode = get_irn_mode(val);
+ return new_d_Rotl(dbgi, val, create_conv(dbgi, shf, mode_uint), mode);
+ }
+ case bk_ms_rotr:
+ case bk_ms_rotr64: {
+ ir_node *val = expression_to_firm(call->arguments->expression);
+ ir_node *shf = expression_to_firm(call->arguments->next->expression);
+ ir_mode *mode = get_irn_mode(val);
+ ir_node *c = new_Const_long(mode_uint, get_mode_size_bits(mode));
+ ir_node *sub = new_d_Sub(dbgi, c, create_conv(dbgi, shf, mode_uint), mode_uint);
+ return new_d_Rotl(dbgi, val, sub, mode);
+ }
+ case bk_ms_byteswap_ushort:
+ case bk_ms_byteswap_ulong:
+ case bk_ms_byteswap_uint64:
+ return gen_unary_builtin(ir_bk_bswap, call->arguments->expression, function_type, dbgi);
+ case bk_ms__inbyte:
+ case bk_ms__inword:
+ case bk_ms__indword:
+ return gen_unary_builtin_pinned(ir_bk_inport, call->arguments->expression, function_type, dbgi);
+ case bk_ms__outbyte:
+ case bk_ms__outword:
+ case bk_ms__outdword:
+ return gen_binary_builtin_mem(ir_bk_outport, call->arguments->expression,
+ call->arguments->next->expression, function_type, dbgi);
default:
- panic("Unsupported builtin found\n");
+ panic("unsupported builtin found");
}
}
* 176.gcc for instance might allocate 2GB instead of 256 MB if alloca is not
* handled right...
*/
-static ir_node *call_expression_to_firm(const call_expression_t *call)
+static ir_node *call_expression_to_firm(const call_expression_t *const call)
{
- dbg_info *dbgi = get_dbg_info(&call->base.source_position);
+ dbg_info *const dbgi = get_dbg_info(&call->base.source_position);
assert(get_cur_block() != NULL);
expression_t *function = call->function;
- if (function->kind == EXPR_BUILTIN_SYMBOL) {
- return process_builtin_call(call);
- }
if (function->kind == EXPR_REFERENCE) {
const reference_expression_t *ref = &function->reference;
entity_t *entity = ref->entity;
+ if (ref->entity->kind == ENTITY_FUNCTION &&
+ ref->entity->function.btk != bk_none) {
+ return process_builtin_call(call);
+ }
+
if (entity->kind == ENTITY_FUNCTION
&& entity->function.entity == rts_entities[rts_alloca]) {
/* 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);
ir_node *alloca = new_d_Alloc(dbgi, store, size, firm_unknown_type,
stack_alloc);
ir_node *proj_m = new_Proj(alloca, mode_M, pn_Alloc_M);
/* we need to construct a new method type matching the call
* arguments... */
int n_res = get_method_n_ress(ir_method_type);
- dbg_info *dbgi = get_dbg_info(&call->base.source_position);
new_method_type = new_d_type_method(id_unique("calltype.%u"),
n_parameters, n_res, dbgi);
set_method_calling_convention(new_method_type,
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;
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 &&
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 : cons_none;
+ 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);
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);
int bitsize = get_mode_size_bits(get_type_mode(entity_type));
tarval *mask = create_bitfield_mask(mode, 0, bitsize);
- ir_node *mask_node = new_d_Const(dbgi, mode, mask);
+ ir_node *mask_node = new_d_Const(dbgi, mask);
ir_node *value_masked = new_d_And(dbgi, value, mask_node, mode);
tarval *shiftl = new_tarval_from_long(bitoffset, mode_uint);
- ir_node *shiftcount = new_d_Const(dbgi, mode_uint, shiftl);
+ ir_node *shiftcount = new_d_Const(dbgi, shiftl);
ir_node *value_maskshift = new_d_Shl(dbgi, value_masked, shiftcount, mode);
/* 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 : 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);
tarval *shift_mask = create_bitfield_mask(mode, bitoffset, bitsize);
tarval *inv_mask = tarval_not(shift_mask);
- ir_node *inv_mask_node = new_d_Const(dbgi, mode, inv_mask);
+ ir_node *inv_mask_node = new_d_Const(dbgi, inv_mask);
ir_node *load_res_masked = new_d_And(dbgi, load_res, inv_mask_node, mode);
/* 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 : cons_none);
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,
{
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, 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);
long shift_bitsl = machine_size - bitoffset - bitsize;
assert(shift_bitsl >= 0);
tarval *tvl = new_tarval_from_long(shift_bitsl, mode_uint);
- ir_node *countl = new_d_Const(dbgi, mode_uint, tvl);
+ 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);
tarval *tvr = new_tarval_from_long(shift_bitsr, mode_uint);
- ir_node *countr = new_d_Const(dbgi, mode_uint, tvr);
+ 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);
(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;
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 value;
}
}
if (addr == NULL)
addr = expression_to_addr(expression);
-
- type_t *type = skip_typeref(expression->base.type);
+ assert(addr != NULL);
if (expression->kind == EXPR_SELECT) {
const select_expression_t *select = &expression->select;
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,
const reference_expression_t *ref = &expression->reference;
entity_t *entity = ref->entity;
- assert(entity->kind == ENTITY_VARIABLE);
+ 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);
+ 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));
}
}
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)) {
offset = get_type_size(pointer_type->points_to);
} else {
assert(is_type_arithmetic(type));
- offset = new_Const(mode, get_mode_one(mode));
+ offset = new_Const(get_mode_one(mode));
}
ir_node *result;
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);
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);
* @param dbi debug info
* @param expr the IL assume expression
*/
-static ir_node *handle_assume(dbg_info *dbi, const expression_t *expression) {
+static ir_node *handle_assume(dbg_info *dbi, const expression_t *expression)
+{
switch(expression->kind) {
case EXPR_BINARY_EQUAL:
case EXPR_BINARY_NOTEQUAL:
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: {
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 */
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;
}
* 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();
- ir_node *one = new_Const(mode, get_mode_one(mode));
+ 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();
- ir_node *zero = new_Const(mode, get_mode_null(mode));
+ set_cur_block(zero_block);
+ ir_node *zero = new_Const(get_mode_null(mode));
ir_node *jmp_zero = new_d_Jmp(dbgi);
set_cur_block(cur_block);
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);
-
- /* 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)) {
- elem_size = 1;
- }
-
- assert(elem_size >= 1);
- 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 * elem_size = get_type_size(points_to);
+ elem_size = create_conv(dbgi, elem_size, mode);
+ value = create_conv(dbgi, value, mode);
+ ir_node *const mul = new_d_Mul(dbgi, value, elem_size, mode);
return mul;
}
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);
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;
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;
}
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(mode, 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,
{
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);
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;
}
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:
case EXPR_BINARY_SHIFTLEFT_ASSIGN:
case EXPR_BINARY_SHIFTRIGHT_ASSIGN:
return create_assign_binop(expression);
- case EXPR_BINARY_BUILTIN_EXPECT:
- return _expression_to_firm(expression->left);
default:
panic("TODO binexpr type");
}
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;
}
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);
- return new_d_Const(dbgi, mode, tv);
+ return new_d_Const(dbgi, tv);
}
static void create_local_initializer(initializer_t *initializer, dbg_info *dbgi,
}
type = skip_typeref(type);
- /* ยง 6.5.3.4 (2) if the type is a VLA, evaluate the expression. */
+ /* ยง6.5.3.4:2 if the type is a VLA, evaluate the expression. */
if (is_type_array(type) && type->array.is_vla
&& expression->tp_expression != NULL) {
expression_to_firm(expression->tp_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);
}
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;
/* 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;
/* 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();
set_cur_block(cur_block);
ir_node *const cond_expr = create_condition_evaluation(expression->condition, true_block, false_block);
if (expression->true_expression == NULL) {
- if (cond_expr != NULL) {
+ if (cond_expr != NULL && get_irn_mode(cond_expr) != mode_b) {
true_val = cond_expr;
} else {
- /* Condition ended with a short circuit (&&, ||, !) operation.
- * Generate a "1" as value for the true branch. */
- ir_mode *const mode = mode_Is;
- true_val = new_Const(mode, get_mode_one(mode));
+ /* Condition ended with a short circuit (&&, ||, !) operation or a
+ * comparison. Generate a "1" as value for the true branch. */
+ true_val = new_Const(get_mode_one(mode_Is));
}
}
mature_immBlock(true_block);
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)
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 */
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);
- return new_d_Const(dbgi, mode, tv);
+ tarval *const tv = new_tarval_from_long(tc, mode_int);
+ return new_d_Const(dbgi, tv);
}
static ir_node *function_name_to_firm(
new_d_simpleSel(dbgi, no_mem, arg_base, parm_ent);
ir_node *const cnst = get_type_size(expr->parameter->base.type);
- ir_node *const add = new_d_Add(dbgi, arg_sel, cnst, mode_P_data);
+ ir_mode *const mode = get_irn_mode(cnst);
+ ir_node *const c1 = new_Const_long(mode, stack_param_align - 1);
+ ir_node *const c2 = new_d_Add(dbgi, cnst, c1, mode);
+ ir_node *const c3 = new_Const_long(mode, -(long)stack_param_align);
+ ir_node *const c4 = new_d_And(dbgi, c2, c3, mode);
+ ir_node *const add = new_d_Add(dbgi, arg_sel, c2, mode_P_data);
set_value_for_expression(expr->ap, add);
return NULL;
ir_node *const res = deref_address(dbgi, type, ap);
ir_node *const cnst = get_type_size(expr->base.type);
- ir_node *const add = new_d_Add(dbgi, ap, cnst, mode_P_data);
+ ir_mode *const mode = get_irn_mode(cnst);
+ ir_node *const c1 = new_Const_long(mode, stack_param_align - 1);
+ ir_node *const c2 = new_d_Add(dbgi, cnst, c1, mode);
+ ir_node *const c3 = new_Const_long(mode, -(long)stack_param_align);
+ ir_node *const c4 = new_d_And(dbgi, c2, c3, mode);
+ ir_node *const add = new_d_Add(dbgi, ap, c4, mode_P_data);
set_value_for_expression_addr(ap_expr, add, ap_addr);
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;
}
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)) {
return new_Const_long(mode, v);
}
-static ir_node *builtin_prefetch_to_firm(
- const builtin_prefetch_expression_t *expression)
+static ir_node *builtin_types_compatible_to_firm(
+ const builtin_types_compatible_expression_t *expression)
{
- ir_node *adr = expression_to_firm(expression->adr);
- /* no Firm support for prefetch yet */
- (void) adr;
- return NULL;
+ type_t *const left = get_unqualified_type(skip_typeref(expression->left));
+ type_t *const right = get_unqualified_type(skip_typeref(expression->right));
+ long const value = types_compatible(left, right) ? 1 : 0;
+ ir_mode *const mode = get_ir_mode_arithmetic(expression->base.type);
+ return new_Const_long(mode, value);
}
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;
return va_start_expression_to_firm(&expression->va_starte);
case EXPR_VA_ARG:
return va_arg_expression_to_firm(&expression->va_arge);
- case EXPR_BUILTIN_SYMBOL:
- panic("unimplemented expression found");
case EXPR_BUILTIN_CONSTANT_P:
return builtin_constant_to_firm(&expression->builtin_constant);
- case EXPR_BUILTIN_PREFETCH:
- return builtin_prefetch_to_firm(&expression->builtin_prefetch);
+ case EXPR_BUILTIN_TYPES_COMPATIBLE_P:
+ return builtin_types_compatible_to_firm(&expression->builtin_types_compatible);
case EXPR_OFFSETOF:
return offsetof_to_firm(&expression->offsetofe);
case EXPR_COMPOUND_LITERAL:
panic("invalid expression found");
}
+/**
+ * Check if a given expression is a GNU __builtin_expect() call.
+ */
+static bool is_builtin_expect(const expression_t *expression)
+{
+ if (expression->kind != EXPR_CALL)
+ return false;
+
+ expression_t *function = expression->call.function;
+ if (function->kind != EXPR_REFERENCE)
+ return false;
+ reference_expression_t *ref = &function->reference;
+ if (ref->entity->kind != ENTITY_FUNCTION ||
+ ref->entity->function.btk != bk_gnu_builtin_expect)
+ return false;
+
+ return true;
+}
+
static bool produces_mode_b(const expression_t *expression)
{
switch (expression->kind) {
case EXPR_UNARY_NOT:
return true;
- case EXPR_BINARY_BUILTIN_EXPECT:
- return produces_mode_b(expression->binary.left);
+ case EXPR_CALL:
+ if (is_builtin_expect(expression)) {
+ expression_t *argument = expression->call.arguments->expression;
+ return produces_mode_b(argument);
+ }
+ return false;
case EXPR_BINARY_COMMA:
return produces_mode_b(expression->binary.right);
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);
/* 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);
}
/**
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);
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);
ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
/* set branch prediction info based on __builtin_expect */
- if (expression->kind == EXPR_BINARY_BUILTIN_EXPECT) {
- long cnst = fold_constant(expression->binary.right);
- cond_jmp_predicate pred;
-
- if (cnst == 0) {
- pred = COND_JMP_PRED_FALSE;
- } else {
- pred = COND_JMP_PRED_TRUE;
+ 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);
+ cond_jmp_predicate pred;
+
+ if (cnst == 0) {
+ pred = COND_JMP_PRED_FALSE;
+ } else {
+ pred = COND_JMP_PRED_TRUE;
+ }
+ set_Cond_jmp_pred(cond, pred);
}
- set_Cond_jmp_pred(cond, pred);
}
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;
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);
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)
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);
}
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;
if (is_atomic_type(type)) {
ir_mode *mode = get_type_mode(type);
tarval *zero = get_mode_null(mode);
- ir_node *cnst = new_d_Const(dbgi, mode, zero);
+ ir_node *cnst = new_d_Const(dbgi, zero);
/* 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, cons_none);
ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
set_store(proj_m);
} else {
if (is_Array_type(type)) {
ir_entity *entity = get_array_element_entity(type);
tarval *index_tv = new_tarval_from_long(i, mode_uint);
- ir_node *cnst = new_d_Const(dbgi, mode_uint, index_tv);
+ ir_node *cnst = new_d_Const(dbgi, index_tv);
ir_node *in[1] = { cnst };
irtype = get_array_element_type(type);
addr = new_d_Sel(dbgi, new_NoMem(), base_addr, 1, in, entity);
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, cons_none);
ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
set_store(proj_m);
return;
case IR_INITIALIZER_TARVAL: {
tarval *tv = get_initializer_tarval_value(initializer);
ir_mode *mode = get_tarval_mode(tv);
- ir_node *cnst = new_d_Const(dbgi, mode, tv);
+ ir_node *cnst = new_d_Const(dbgi, tv);
ir_type *ent_type = get_entity_type(entity);
/* is it a bitfield type? */
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, cons_none);
ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
set_store(proj_m);
return;
ir_entity *sub_entity;
if (is_Array_type(type)) {
tarval *index_tv = new_tarval_from_long(i, mode_uint);
- ir_node *cnst = new_d_Const(dbgi, mode_uint, index_tv);
+ ir_node *cnst = new_d_Const(dbgi, index_tv);
ir_node *in[1] = { cnst };
irtype = get_array_element_type(type);
sub_entity = get_array_element_entity(type);
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);
}
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) {
entity->declaration.kind = DECLARATION_KIND_LOCAL_VARIABLE;
entity->variable.v.value_number = next_value_number_function;
set_irg_loc_description(current_ir_graph, next_value_number_function,
- (variable_t*) &entity->variable);
+ entity);
++next_value_number_function;
}
}
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);
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);
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;
case DECLARATION_KIND_INNER_FUNCTION:
return;
+ case DECLARATION_KIND_PARAMETER:
+ case DECLARATION_KIND_PARAMETER_ENTITY:
+ panic("can't initialize parameters");
+
case DECLARATION_KIND_UNKNOWN:
panic("can't initialize unknown declaration");
}
static void declaration_statement_to_firm(declaration_statement_t *statement)
{
entity_t *entity = statement->declarations_begin;
- entity_t *end = statement->declarations_end->base.next;
- for ( ; entity != end; entity = entity->base.next) {
- if (!is_declaration(entity))
- continue;
- initialize_local_declaration(entity);
+ if (entity == NULL)
+ return;
+
+ entity_t *const last = statement->declarations_end;
+ for ( ;; entity = entity->base.next) {
+ 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;
}
}
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();
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) {
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;
continue_label = header_block;
break_label = NULL;
+ set_cur_block(body_block);
statement_to_firm(statement->body);
ir_node *false_block = break_label;
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);
}
/* 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);
}
/* 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);
}
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;
break_label = false_block;
body_block = new_immBlock();
+ set_cur_block(body_block);
statement_to_firm(statement->body);
assert(continue_label == step_block);
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;
}
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;
= be_parse_asm_constraints(constraints);
if (asm_flags & ASM_CONSTRAINT_FLAG_NO_SUPPORT) {
- errorf(&statement->base.source_position,
+ warningf(&statement->base.source_position,
"some constraints in '%s' are not supported", constraints);
- continue;
}
if (asm_flags & ASM_CONSTRAINT_FLAG_INVALID) {
errorf(&statement->base.source_position,
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;
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));
}
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];
}
}
-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");
}
-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");
}
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;
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,
- const entity_t *const end)
+ const entity_t *const last)
{
int count = 0;
+ entity_t const *const end = last != NULL ? last->base.next : NULL;
for (; entity != end; entity = entity->base.next) {
- if (entity->kind != ENTITY_VARIABLE)
+ type_t *type;
+ bool address_taken;
+
+ if (entity->kind == ENTITY_VARIABLE) {
+ type = skip_typeref(entity->declaration.type);
+ address_taken = entity->variable.address_taken;
+ } else if (entity->kind == ENTITY_PARAMETER) {
+ type = skip_typeref(entity->declaration.type);
+ address_taken = entity->parameter.address_taken;
+ } else {
continue;
- type_t *type = skip_typeref(entity->declaration.type);
+ }
- if (!entity->variable.address_taken && is_type_scalar(type))
+ if (!address_taken && is_type_scalar(type))
++count;
}
return count;
case STATEMENT_DECLARATION: {
const declaration_statement_t *const decl_stmt = &stmt->declaration;
*count += count_local_variables(decl_stmt->declarations_begin,
- decl_stmt->declarations_end->base.next);
+ decl_stmt->declarations_end);
break;
}
int n = 0;
entity_t *parameter = entity->function.parameters.entities;
for ( ; parameter != NULL; parameter = parameter->base.next, ++n) {
- assert(parameter->kind == ENTITY_VARIABLE);
+ if (parameter->kind != ENTITY_PARAMETER)
+ continue;
+
assert(parameter->declaration.kind == DECLARATION_KIND_UNKNOWN);
type_t *type = skip_typeref(parameter->declaration.type);
- bool needs_entity = parameter->variable.address_taken;
+ bool needs_entity = parameter->parameter.address_taken;
assert(!is_type_array(type));
if (is_type_compound(type)) {
needs_entity = true;
set_entity_ident(entity, id);
parameter->declaration.kind
- = DECLARATION_KIND_LOCAL_VARIABLE_ENTITY;
- parameter->variable.v.entity = entity;
+ = DECLARATION_KIND_PARAMETER_ENTITY;
+ parameter->parameter.v.entity = entity;
continue;
}
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);
- parameter->declaration.kind = DECLARATION_KIND_LOCAL_VARIABLE;
- parameter->variable.v.value_number = next_value_number_function;
+ parameter->declaration.kind = DECLARATION_KIND_PARAMETER;
+ parameter->parameter.v.value_number = next_value_number_function;
set_irg_loc_description(current_ir_graph, next_value_number_function,
- (variable_t*) ¶meter->variable);
+ parameter);
++next_value_number_function;
- set_value(parameter->variable.v.value_number, value);
+ set_value(parameter->parameter.v.value_number, value);
}
}
*/
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. */
/**
* Generate possible IJmp branches to a given label block.
*/
-static void gen_ijmp_branches(ir_node *block) {
+static void gen_ijmp_branches(ir_node *block)
+{
ir_node *ijmp;
for (ijmp = ijmp_list; ijmp != NULL; ijmp = get_irn_link(ijmp)) {
add_immBlock_pred(block, ijmp);
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();
} 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;
}
ir_node *in[1];
/* ยง5.1.2.2.3 main implicitly returns 0 */
if (is_main(entity)) {
- in[0] = new_Const(mode, get_mode_null(mode));
+ in[0] = new_Const(get_mode_null(mode));
} else {
in[0] = new_Unknown(mode);
}
continue;
if (entity->kind == ENTITY_FUNCTION) {
+ if (entity->function.btk != bk_none) {
+ /* builtins have no representation */
+ continue;
+ }
get_function_entity(entity);
} else if (entity->kind == ENTITY_VARIABLE) {
create_global_variable(entity);
continue;
if (entity->kind == ENTITY_FUNCTION) {
+ if (entity->function.btk != bk_none) {
+ /* builtins have no representation */
+ continue;
+ }
create_function(entity);
} else if (entity->kind == ENTITY_VARIABLE) {
assert(entity->declaration.kind
}
/* create idents for all known runtime functions */
- for (size_t i = 0; i < sizeof(rts_data) / sizeof(rts_data[0]); ++i) {
+ for (size_t i = 0; i < lengthof(rts_data); ++i) {
rts_idents[i] = new_id_from_str(rts_data[i].name);
}
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;
+
+ stack_param_align = be_params->stack_param_align;
}
void exit_ast2firm(void)
projects / cparser / blobdiff