#include "beirg.h"
#include "bemachine.h"
#include "belistsched.h"
+#include "bemodule.h"
typedef struct _ilpsched_options_t {
unsigned regpress;
* Check if irn is a Proj, which has no execution units assigned.
* @return 1 if irn is a Proj having no execution units assigned, 0 otherwise
*/
-static inline int is_normal_Proj(const arch_env_t *env, const ir_node *irn) {
+static inline int is_normal_Proj(const arch_env_t *env, const ir_node *irn)
+{
return is_Proj(irn) && (arch_env_get_allowed_execution_units(env, irn) == NULL);
}
* Skips normal Projs.
* @return predecessor if irn is a normal Proj, otherwise irn.
*/
-static inline ir_node *skip_normal_Proj(const arch_env_t *env, ir_node *irn) {
+static inline ir_node *skip_normal_Proj(const arch_env_t *env, ir_node *irn)
+{
if (is_normal_Proj(env, irn))
return get_Proj_pred(irn);
return irn;
}
-static inline int fixed_latency(const ilp_sched_selector_t *sel, ir_node *irn, void *env) {
+static inline int fixed_latency(const ilp_sched_selector_t *sel, ir_node *irn, void *env)
+{
unsigned lat = be_ilp_sched_latency(sel, irn, env);
if (lat == 0 && ! is_Proj(irn) && ! be_is_Keep(irn))
lat = 1;
return lat;
}
-static int cmp_live_in_nodes(const void *a, const void *b) {
+static int cmp_live_in_nodes(const void *a, const void *b)
+{
const ilp_livein_node_t *n1 = a;
const ilp_livein_node_t *n2 = b;
/**
* Compare scheduling time steps of two be_ilpsched_irn's.
*/
-static int cmp_ilpsched_irn(const void *a, const void *b) {
+static int cmp_ilpsched_irn(const void *a, const void *b)
+{
be_ilpsched_irn_t *n1 = *(be_ilpsched_irn_t **)a;
be_ilpsched_irn_t *n2 = *(be_ilpsched_irn_t **)b;
ilpsched_node_attr_t *n1_a = get_ilpsched_node_attr(n1);
/**
* In case there is no phase information for irn, initialize it.
*/
-static void *init_ilpsched_irn(ir_phase *ph, const ir_node *irn, void *old) {
+static void *init_ilpsched_irn(ir_phase *ph, const ir_node *irn, void *old)
+{
be_ilpsched_irn_t *res = old ? old : phase_alloc(ph, sizeof(res[0]));
if (res == old) {
/**
* Assign a per block unique number to each node.
*/
-static void build_block_idx(ir_node *irn, void *walk_env) {
+static void build_block_idx(ir_node *irn, void *walk_env)
+{
be_ilpsched_env_t *env = walk_env;
be_ilpsched_irn_t *node, *block_node;
ilpsched_node_attr_t *na;
/**
* Add all nodes having no user in current block to last_nodes list.
*/
-static void collect_alap_root_nodes(ir_node *irn, void *walk_env) {
+static void collect_alap_root_nodes(ir_node *irn, void *walk_env)
+{
ir_node *block;
const ir_edge_t *edge;
be_ilpsched_irn_t *block_node, *node;
/**
* Calculate the ASAP scheduling step for current irn.
*/
-static void calculate_irn_asap(ir_node *irn, void *walk_env) {
+static void calculate_irn_asap(ir_node *irn, void *walk_env)
+{
be_ilpsched_env_t *env = walk_env;
int i;
ir_node *block;
* Calculate the ALAP scheduling step of all irns in current block.
* Depends on max_steps being calculated.
*/
-static void calculate_block_alap(ir_node *block, void *walk_env) {
+static void calculate_block_alap(ir_node *block, void *walk_env)
+{
be_ilpsched_env_t *env = walk_env;
be_ilpsched_irn_t *block_node = get_ilpsched_irn(env, block);
ilpsched_block_attr_t *ba = get_ilpsched_block_attr(block_node);
/**
* Free list of root nodes and the set of live-in nodes.
*/
-static void clear_unwanted_data(ir_node *block, void *walk_env) {
+static void clear_unwanted_data(ir_node *block, void *walk_env)
+{
be_ilpsched_env_t *env = walk_env;
be_ilpsched_irn_t *block_node = get_ilpsched_irn(env, block);
ilpsched_block_attr_t *ba = get_ilpsched_block_attr(block_node);
* Refine the {ASAP(n), ALAP(n)} interval for the nodes.
* Set the ASAP/ALAP times of Projs and Keeps to their ancestor ones.
*/
-static void refine_asap_alap_times(ir_node *irn, void *walk_env) {
+static void refine_asap_alap_times(ir_node *irn, void *walk_env)
+{
be_ilpsched_env_t *env = walk_env;
ir_node *pred = irn;
be_ilpsched_irn_t *node, *pred_node;
*
*******************************************/
-static inline void check_for_keeps(waitq *keeps, const ir_node *block, const ir_node *irn) {
+static inline void check_for_keeps(waitq *keeps, const ir_node *block, const ir_node *irn)
+{
const ir_edge_t *edge;
(void) block;
* Adds a node, it's Projs (in case of mode_T nodes) and
* it's Keeps to schedule.
*/
-static void add_to_sched(be_ilpsched_env_t *env, const ir_node *block, const ir_node *irn, unsigned cycle) {
+static void add_to_sched(be_ilpsched_env_t *env, const ir_node *block, const ir_node *irn, unsigned cycle)
+{
const ir_edge_t *edge;
waitq *keeps = new_waitq();
/**
* Schedule all nodes in the given block, according to the ILP solution.
*/
-static void apply_solution(be_ilpsched_env_t *env, lpp_t *lpp, ir_node *block) {
+static void apply_solution(be_ilpsched_env_t *env, lpp_t *lpp, ir_node *block)
+{
be_ilpsched_irn_t *block_node = get_ilpsched_irn(env, block);
ilpsched_block_attr_t *ba = get_ilpsched_block_attr(block_node);
be_ilpsched_irn_t **sched_nodes;
/**
* Check if node can be executed on given unit type.
*/
-static inline int is_valid_unit_type_for_node(const be_execution_unit_type_t *tp, be_ilpsched_irn_t *node) {
+static inline int is_valid_unit_type_for_node(const be_execution_unit_type_t *tp, be_ilpsched_irn_t *node)
+{
int i;
ilpsched_node_attr_t *na = get_ilpsched_node_attr(node);
*
************************************************/
-static int be_ilpsched_set_type_info(be_ilpsched_env_t *env, ir_node *irn, struct obstack *obst) {
+static int be_ilpsched_set_type_info(be_ilpsched_env_t *env, ir_node *irn, struct obstack *obst)
+{
const be_execution_unit_t ***execunits = arch_env_get_allowed_execution_units(env->arch_env, irn);
unsigned n_unit_types = 0;
be_ilpsched_irn_t *node;
* Returns the largest alap time of a user of @p irn.
* The user must be in block @p block.
*/
-static unsigned be_ilpsched_get_max_alap_user(be_ilpsched_env_t *env, const ir_node *irn, const ir_node *block) {
+static unsigned be_ilpsched_get_max_alap_user(be_ilpsched_env_t *env, const ir_node *irn, const ir_node *block)
+{
const ir_edge_t *edge;
unsigned max_alap = 0;
* ==>> These variables represent the register pressure
*
*/
-static void create_variables(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node, struct obstack *var_obst) {
+static void create_variables(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node, struct obstack *var_obst)
+{
char buf[1024];
ir_node *irn;
unsigned num_block_var, num_nodes;
* Collect all operands and nodes @p irn depends on.
* If there is a Proj within the dependencies, all other Projs of the parent node are added as well.
*/
-static void sta_collect_in_deps(ir_node *irn, ir_nodeset_t *deps) {
+static void sta_collect_in_deps(ir_node *irn, ir_nodeset_t *deps)
+{
int i;
for (i = get_irn_ins_or_deps(irn) - 1; i >= 0; --i) {
* - the precedence constraints:
* assure that no data dependencies are violated
*/
-static void create_assignment_and_precedence_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_assignment_and_precedence_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
unsigned num_cst_assign, num_cst_prec, num_cst_dead;
char buf[1024];
ir_node *irn;
/* the precedence constraints */
stat_ev_tim_push();
- bs_block_irns = bitset_clear_all(bs_block_irns);
+ bitset_clear_all(bs_block_irns);
sta_collect_in_deps(irn, &deps);
foreach_ir_nodeset(&deps, pred, iter) {
* - assure that for each time step not more instructions are scheduled
* to the same unit types as units of this type are available
*/
-static void create_ressource_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_ressource_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
int glob_type_idx;
char buf[1024];
unsigned num_cst_resrc = 0;
* - assure, at most bundle_size * bundles_per_cycle instructions
* can be started at a certain point.
*/
-static void create_bundle_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_bundle_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
char buf[1024];
unsigned t;
unsigned num_cst_bundle = 0;
* Create ILP alive nodes constraints:
* - set variable a_{nt}^k to 1 if nodes n is alive at step t on unit k
*/
-static void create_alive_nodes_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_alive_nodes_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
char buf[1024];
ir_node *irn;
unsigned num_cst = 0;
* Create ILP alive nodes constraints for live-in nodes:
* - set variable a_{nt}^k to 1 if nodes n is alive at step t on unit k
*/
-static void create_alive_livein_nodes_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_alive_livein_nodes_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
char buf[1024];
ilp_livein_node_t *livein;
unsigned num_cst = 0;
* - add additional costs to objective function if a node is scheduled
* on a unit although all units of this type are currently occupied
*/
-static void create_pressure_alive_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_pressure_alive_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
char buf[1024];
ir_node *cur_irn;
unsigned num_cst = 0;
* Create ILP branch constraints:
* Assure, alle nodes are scheduled prior to cfg op.
*/
-static void create_branch_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_branch_constraint(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
char buf[1024];
ir_node *cur_irn, *cfop;
unsigned num_cst = 0;
}
#if 0
-static void create_proj_keep_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node) {
+static void create_proj_keep_constraints(be_ilpsched_env_t *env, lpp_t *lpp, be_ilpsched_irn_t *block_node)
+{
char buf[1024];
ir_node *irn;
unsigned num_cst = 0;
/**
* Create the ilp (add variables, build constraints, solve, build schedule from solution).
*/
-static void create_ilp(ir_node *block, void *walk_env) {
+static void create_ilp(ir_node *block, void *walk_env)
+{
be_ilpsched_env_t *env = walk_env;
be_ilpsched_irn_t *block_node = get_ilpsched_irn(env, block);
ilpsched_block_attr_t *ba = get_ilpsched_block_attr(block_node);
/**
* Perform ILP scheduling on the given irg.
*/
-void be_ilp_sched(const be_irg_t *birg, be_options_t *be_opts) {
+void be_ilp_sched(const be_irg_t *birg, be_options_t *be_opts)
+{
be_ilpsched_env_t env;
- const char *name = "be ilp scheduling";
ir_graph *irg = be_get_birg_irg(birg);
const arch_env_t *arch_env = be_get_birg_arch_env(birg);
const ilp_sched_selector_t *sel = arch_env->impl->get_ilp_sched_selector(arch_env);
env.opts = &ilp_opts;
env.birg = birg;
env.be_opts = be_opts;
- phase_init(&env.ph, name, env.irg, PHASE_DEFAULT_GROWTH, init_ilpsched_irn, NULL);
+ phase_init(&env.ph, env.irg, init_ilpsched_irn);
/* assign a unique per block number to all interesting nodes */
irg_walk_in_or_dep_graph(env.irg, NULL, build_block_idx, &env);
irg_block_walk_graph(env.irg, NULL, clear_unwanted_data, &env);
/* free all allocated object */
- phase_free(&env.ph);
+ phase_deinit(&env.ph);
heights_free(env.height);
/* notify backend */
/**
* Register ILP scheduler options.
*/
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_ilpsched);
void be_init_ilpsched(void)
{
lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
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