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 _expression_to_firm(argument);
}
case T___builtin_va_end:
+ /* evaluate the argument of va_end for its side effects */
+ _expression_to_firm(call->arguments->expression);
return NULL;
default:
panic("Unsupported builtin found\n");
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 produce_condition_result(expression->right, mode, dbgi);
+ if (ekind == EXPR_BINARY_LOGICAL_AND) {
+ if (val == 0) {
+ return new_Const(get_mode_null(mode));
+ }
} else {
- return new_Const(get_mode_one(mode));
+ if (val != 0) {
+ return new_Const(get_mode_one(mode));
+ }
+ }
+
+ if (is_constant_expression(expression->right)) {
+ long const valr = fold_constant(expression->left);
+ 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, mode,
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)
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;
}
}
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;
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);
}
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;