/** A scc. */
typedef struct scc {
- ir_node *head; /**< the head of the list */
- tarval *init; /**< the init value iff only one exists. */
- tarval *incr; /**< the induction variable increment if only a single const exists. */
- unsigned code; /**< == iro_Add if +incr, iro_Sub if -incr, 0 if not analysed, iro_Bad else */
+ ir_node *head; /**< the head of the list */
+ ir_tarval *init; /**< the init value iff only one exists. */
+ ir_tarval *incr; /**< the induction variable increment if only a single const exists. */
+ unsigned code; /**< == iro_Add if +incr, iro_Sub if -incr, 0 if not analysed, iro_Bad else */
} scc;
/** A node entry */
* An entry in the (op, node, node) -> node map.
*/
typedef struct quadruple_t {
- ir_opcode code; /**< the opcode of the reduced operation */
+ unsigned code; /**< the opcode of the reduced operation */
ir_node *op1; /**< the first operand the reduced operation */
ir_node *op2; /**< the second operand of the reduced operation */
typedef struct LFTR_edge {
ir_node *src; /**< the source node */
ir_node *dst; /**< the destination node */
- ir_opcode code; /**< the opcode that must be applied */
+ unsigned code; /**< the opcode that must be applied */
ir_node *rc; /**< the region const that must be applied */
} LFTR_edge;
*/
static int LFTR_cmp(const void *e1, const void *e2, size_t size)
{
- const LFTR_edge *l1 = e1;
- const LFTR_edge *l2 = e2;
+ const LFTR_edge *l1 = (const LFTR_edge*)e1;
+ const LFTR_edge *l2 = (const LFTR_edge*)e2;
(void) size;
return l1->src != l2->src;
key.src = src;
- return set_find(env->lftr_edges, &key, sizeof(key), HASH_PTR(src));
+ return (LFTR_edge*)set_find(env->lftr_edges, &key, sizeof(key), HASH_PTR(src));
} /* LFTR_find */
/**
* @param rc the region const used in the transition
* @param env the environment
*/
-static void LFTR_add(ir_node *src, ir_node *dst, ir_opcode code, ir_node *rc, iv_env *env)
+static void LFTR_add(ir_node *src, ir_node *dst, unsigned code, ir_node *rc, iv_env *env)
{
LFTR_edge key;
* There might be more than one edge here. This is rather bad
* because we currently store only one.
*/
-// assert(LFTR_find(src, env) == NULL);
set_insert(env->lftr_edges, &key, sizeof(key), HASH_PTR(src));
} /* LFTR_add */
*/
static node_entry *get_irn_ne(ir_node *irn, iv_env *env)
{
- node_entry *e = get_irn_link(irn);
+ node_entry *e = (node_entry*)get_irn_link(irn);
if (e == NULL) {
e = OALLOCZ(&env->obst, node_entry);
*/
static int quad_cmp(const void *e1, const void *e2, size_t size)
{
- const quadruple_t *c1 = e1;
- const quadruple_t *c2 = e2;
+ const quadruple_t *c1 = (const quadruple_t*)e1;
+ const quadruple_t *c2 = (const quadruple_t*)e2;
(void) size;
return c1->code != c2->code || c1->op1 != c2->op1 || c1->op2 != c2->op2;
*
* @return the already reduced node or NULL if this operation is not yet reduced
*/
-static ir_node *search(ir_opcode code, ir_node *op1, ir_node *op2, iv_env *env)
+static ir_node *search(unsigned code, ir_node *op1, ir_node *op2, iv_env *env)
{
quadruple_t key, *entry;
key.op1 = op1;
key.op2 = op2;
- entry = set_find(env->quad_map, &key, sizeof(key),
- (code * 9) ^ HASH_PTR(op1) ^HASH_PTR(op2));
+ entry = (quadruple_t*)set_find(env->quad_map, &key, sizeof(key),
+ (code * 9) ^ HASH_PTR(op1) ^HASH_PTR(op2));
if (entry)
return entry->res;
return NULL;
* @param result the result of the reduced operation
* @param env the environment
*/
-static void add(ir_opcode code, ir_node *op1, ir_node *op2, ir_node *result, iv_env *env)
+static void add(unsigned code, ir_node *op1, ir_node *op2, ir_node *result, iv_env *env)
{
quadruple_t key;
*
* @return the newly created node
*/
-static ir_node *do_apply(ir_opcode code, dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode)
+static ir_node *do_apply(unsigned code, dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode)
{
ir_node *result;
ir_node *block = find_location(get_nodes_block(op1), get_nodes_block(op2));
break;
default:
panic("Unsupported opcode");
- result = NULL;
}
return result;
} /* do_apply */
*/
static ir_node *apply(ir_node *header, ir_node *orig, ir_node *op1, ir_node *op2, iv_env *env)
{
- ir_opcode code = get_irn_opcode(orig);
+ unsigned code = get_irn_opcode(orig);
ir_node *result = search(code, op1, op2, env);
if (result == NULL) {
*/
static ir_node *reduce(ir_node *orig, ir_node *iv, ir_node *rc, iv_env *env)
{
- ir_opcode code = get_irn_opcode(orig);
+ unsigned code = get_irn_opcode(orig);
ir_node *result = search(code, iv, rc, env);
/* check if we have already done this operation on the iv */
pscc->head = NULL;
waitq_put(wq, iv);
do {
- ir_node *irn = waitq_get(wq);
+ ir_node *irn = (ir_node*)waitq_get(wq);
node_entry *ne = get_irn_ne(irn, env);
int i;
if (result != irn) {
node_entry *e;
- hook_strength_red(current_ir_graph, irn);
+ hook_strength_red(get_irn_irg(irn), irn);
exchange(irn, result);
e = get_irn_ne(result, env);
if (e->pscc == NULL) {
/* normalization put constants on the right side */
rc = get_Mul_right(mul);
if (is_Const(rc)) {
- tarval *tv = get_Const_tarval(rc);
+ ir_tarval *tv = get_Const_tarval(rc);
if (tarval_is_long(tv)) {
long value = get_tarval_long(tv);
{
ir_node *left, *right, *iv, *rc;
ir_op *op = get_irn_op(irn);
- ir_opcode code = get_op_code(op);
+ unsigned code = get_op_code(op);
ir_node *liv, *riv;
switch (code) {
/* find the header block for this scc */
for (irn = pscc->head; irn; irn = next) {
- node_entry *e = get_irn_link(irn);
+ node_entry *e = (node_entry*)get_irn_link(irn);
ir_node *block = get_nodes_block(irn);
next = e->next;
static void process_scc(scc *pscc, iv_env *env)
{
ir_node *head = pscc->head;
- node_entry *e = get_irn_link(head);
+ node_entry *e = (node_entry*)get_irn_link(head);
#ifdef DEBUG_libfirm
{
DB((dbg, LEVEL_4, " SCC at %p:\n ", pscc));
for (irn = pscc->head; irn != NULL; irn = next) {
- node_entry *e = get_irn_link(irn);
+ node_entry *e = (node_entry*)get_irn_link(irn);
next = e->next;
static void process_phi_only_scc(scc *pscc, iv_env *env)
{
ir_node *head = pscc->head;
- node_entry *e = get_irn_link(head);
+ node_entry *e = (node_entry*)get_irn_link(head);
#ifdef DEBUG_libfirm
{
DB((dbg, LEVEL_4, " SCC at %p:\n ", pscc));
for (irn = pscc->head; irn; irn = next) {
- node_entry *e = get_irn_link(irn);
+ node_entry *e = (node_entry*)get_irn_link(irn);
next = e->next;
*/
static void do_dfs(ir_graph *irg, iv_env *env)
{
- ir_graph *rem = current_ir_graph;
ir_node *end = get_irg_end(irg);
int i;
ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
- current_ir_graph = irg;
inc_irg_visited(irg);
/* visit all visible nodes */
}
ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
-
- current_ir_graph = rem;
} /* do_dfs */
/**
*/
static void assign_po(ir_node *block, void *ctx)
{
- iv_env *env = ctx;
+ iv_env *env = (iv_env*)ctx;
node_entry *e = get_irn_ne(block, env);
e->POnum = env->POnum++;
static ir_node *applyOneEdge(ir_node *iv, ir_node *rc, LFTR_edge *e, iv_env *env)
{
if (env->osr_flags & osr_flag_lftr_with_ov_check) {
- tarval *tv_l, *tv_r, *tv, *tv_init, *tv_incr, *tv_end;
+ ir_tarval *tv_l, *tv_r, *tv, *tv_init, *tv_incr, *tv_end;
tarval_int_overflow_mode_t ovmode;
scc *pscc;
+ ir_graph *irg;
if (! is_counter_iv(iv, env)) {
DB((dbg, LEVEL_4, " not counter IV"));
break;
default:
panic("Unsupported opcode");
- tv = tarval_bad;
}
if (pscc->code == iro_Add) {
DB((dbg, LEVEL_4, " = OVERFLOW"));
return NULL;
}
- return new_Const(tv);
+ irg = get_irn_irg(iv);
+ return new_r_Const(irg, tv);
}
return do_apply(e->code, NULL, rc, e->rc, get_irn_mode(e->dst));
} /* applyOneEdge */
*/
static void do_lftr(ir_node *cmp, void *ctx)
{
- iv_env *env = ctx;
+ iv_env *env = (iv_env*)ctx;
ir_node *left, *right, *liv, *riv;
ir_node *iv, *rc;
ir_node *nleft = NULL, *nright = NULL;
*/
static void clear_and_fix(ir_node *irn, void *env)
{
- int *moved = env;
+ int *moved = (int*)env;
set_irn_link(irn, NULL);
if (is_Proj(irn)) {
/* Remove any Phi cycles with only one real input. */
void remove_phi_cycles(ir_graph *irg)
{
- iv_env env;
- ir_graph *rem;
- int projs_moved;
-
- rem = current_ir_graph;
- current_ir_graph = irg;
+ iv_env env;
+ int projs_moved;
FIRM_DBG_REGISTER(dbg, "firm.opt.remove_phi");
DEL_ARR_F(env.stack);
obstack_free(&env.obst, NULL);
-
- current_ir_graph = rem;
} /* remove_phi_cycles */
ir_graph_pass_t *remove_phi_cycles_pass(const char *name)
void opt_osr(ir_graph *irg, unsigned flags)
{
iv_env env;
- ir_graph *rem;
int edges;
int projs_moved;
- rem = current_ir_graph;
- current_ir_graph = irg;
-
FIRM_DBG_REGISTER(dbg, "firm.opt.osr");
DB((dbg, LEVEL_1, "Doing Operator Strength Reduction for %+F\n", irg));
if (! edges)
edges_deactivate(irg);
-
- current_ir_graph = rem;
} /* opt_osr */
-struct pass_t {
+typedef struct pass_t {
ir_graph_pass_t pass;
unsigned flags;
-};
+} pass_t;
/**
* Wrapper for running opt_osr() as an ir_graph pass.
*/
static int pass_wrapper(ir_graph *irg, void *context)
{
- struct pass_t *pass = context;
+ pass_t *pass = (pass_t*)context;
opt_osr(irg, pass->flags);
return 0;
} /* pass_wrapper */
ir_graph_pass_t *opt_osr_pass(const char *name, unsigned flags)
{
- struct pass_t *pass = XMALLOCZ(struct pass_t);
+ pass_t *pass = XMALLOCZ(pass_t);
pass->flags = flags;
return def_graph_pass_constructor(