#include "dfs_t.h"
#include "beutil.h"
-#include "bearch_t.h"
-#include "besched_t.h"
+#include "bearch.h"
+#include "besched.h"
#include "beirgmod.h"
#include "belive_t.h"
-#include "benode_t.h"
+#include "benode.h"
#include "bechordal_t.h"
-#include "bespilloptions.h"
+#include "bespill.h"
#include "beloopana.h"
-#include "beirg_t.h"
+#include "beirg.h"
#include "bemodule.h"
-#include "bespill.h"
+#include "bespillutil.h"
#include "lc_opts.h"
#include "lc_opts_enum.h"
{
int i;
- for(i = 0; i < w->len; ++i) {
+ for (i = 0; i < w->len; ++i) {
ir_fprintf(stderr, "%+F %d\n", w->vals[i].irn, w->vals[i].time);
}
}
/**
* Alloc a new workset on obstack @p ob with maximum size @p max
*/
-static inline workset_t *new_workset(belady_env_t *env, struct obstack *ob) {
- workset_t *res;
- size_t size = sizeof(*res) + (env->n_regs)*sizeof(res->vals[0]);
- res = obstack_alloc(ob, size);
- memset(res, 0, size);
- return res;
+static inline workset_t *new_workset(belady_env_t *env, struct obstack *ob)
+{
+ return OALLOCFZ(ob, workset_t, vals, env->n_regs);
}
/**
* Alloc a new instance on obstack and make it equal to @param ws
*/
-static inline workset_t *workset_clone(belady_env_t *env, struct obstack *ob, workset_t *ws) {
- workset_t *res;
- size_t size = sizeof(*res) + (env->n_regs)*sizeof(res->vals[0]);
- res = obstack_alloc(ob, size);
- memcpy(res, ws, size);
+static inline workset_t *workset_clone(belady_env_t *env, struct obstack *ob, workset_t *ws)
+{
+ workset_t *res = OALLOCF(ob, workset_t, vals, env->n_regs);
+ memcpy(res, ws, sizeof(*res) + (env->n_regs)*sizeof(res->vals[0]));
return res;
}
* Do NOT alloc anything. Make @param tgt equal to @param src.
* returns @param tgt for convenience
*/
-static inline workset_t *workset_copy(belady_env_t *env, workset_t *tgt, workset_t *src) {
+static inline workset_t *workset_copy(belady_env_t *env, workset_t *tgt, workset_t *src)
+{
size_t size = sizeof(*src) + (env->n_regs)*sizeof(src->vals[0]);
memcpy(tgt, src, size);
return tgt;
* @param count locations given at memory @param locs.
* Set the length of @param ws to count.
*/
-static inline void workset_bulk_fill(workset_t *workset, int count, const loc_t *locs) {
+static inline void workset_bulk_fill(workset_t *workset, int count, const loc_t *locs)
+{
workset->len = count;
memcpy(&(workset->vals[0]), locs, count * sizeof(locs[0]));
}
* Inserts the value @p val into the workset, iff it is not
* already contained. The workset must not be full.
*/
-static inline void workset_insert(belady_env_t *env, workset_t *ws, ir_node *val) {
+static inline void workset_insert(belady_env_t *env, workset_t *ws, ir_node *val)
+{
int i;
/* check for current regclass */
if (!arch_irn_consider_in_reg_alloc(env->cls, val)) {
}
/* check if val is already contained */
- for(i=0; i<ws->len; ++i)
+ for (i=0; i<ws->len; ++i)
if (ws->vals[i].irn == val)
return;
/**
* Removes all entries from this workset
*/
-static inline void workset_clear(workset_t *ws) {
+static inline void workset_clear(workset_t *ws)
+{
ws->len = 0;
}
/**
* Removes the value @p val from the workset if present.
*/
-static inline void workset_remove(workset_t *ws, ir_node *val) {
+static inline void workset_remove(workset_t *ws, ir_node *val)
+{
int i;
- for(i=0; i<ws->len; ++i) {
+ for (i=0; i<ws->len; ++i) {
if (ws->vals[i].irn == val) {
ws->vals[i] = ws->vals[--ws->len];
return;
}
}
-static inline int workset_get_index(const workset_t *ws, const ir_node *val) {
+static inline int workset_get_index(const workset_t *ws, const ir_node *val)
+{
int i;
- for(i=0; i<ws->len; ++i) {
+ for (i=0; i<ws->len; ++i) {
if (ws->vals[i].irn == val)
return i;
}
* @p v A variable to put the current value in
* @p i An integer for internal use
*/
-#define workset_foreach(ws, v, i) for(i=0; \
+#define workset_foreach(ws, v, i) for (i=0; \
v=(i < ws->len) ? ws->vals[i].irn : NULL, i < ws->len; \
++i)
static inline void *new_block_info(belady_env_t *bel, int id)
{
ir_node *bl = bel->blocks[id];
- block_info_t *res = obstack_alloc(&bel->ob, sizeof(*res));
- memset(res, 0, sizeof(res[0]));
+ block_info_t *res = OALLOCZ(&bel->ob, block_info_t);
res->first_non_in = NULL;
- res->last_ins = NULL;
- res->bel = bel;
- res->bl = bl;
- res->id = id;
+ res->last_ins = NULL;
+ res->bel = bel;
+ res->bl = bl;
+ res->id = id;
res->exec_freq = get_block_execfreq(bel->ef, bl);
res->reload_cost = bel->arch->reload_cost * res->exec_freq;
res->free_at_jump = bel->n_regs;
or NULL. */
} next_use_t;
-static void *next_use_init(ir_phase *phase, const ir_node *irn, void *old)
-{
- (void) phase;
- (void) irn;
- (void) old;
- return NULL;
-}
-
static void build_next_uses(block_info_t *bi)
{
ir_node *irn;
sched_renumber(bi->bl);
- phase_init(&bi->next_uses, "next uses", bi->bel->irg, PHASE_DEFAULT_GROWTH, next_use_init, NULL);
+ phase_init(&bi->next_uses, bi->bel->irg, phase_irn_init_default);
sched_foreach_reverse(bi->bl, irn) {
int i;
static inline bring_in_t *new_bring_in(block_info_t *bi, ir_node *irn, const next_use_t *use)
{
- bring_in_t *br = obstack_alloc(&bi->bel->ob, sizeof(br[0]));
-
+ bring_in_t *br = OALLOC(&bi->bel->ob, bring_in_t);
br->irn = irn;
br->bi = bi;
br->first_use = use->irn;
next_use_t *use = get_current_use(bi, irn);
int flags = arch_irn_get_flags(irn);
- assert(!(flags & arch_irn_flags_ignore));
+ assert(!arch_irn_is_ignore(irn));
/* We have to keep non-spillable nodes in the working set */
- if(flags & arch_irn_flags_dont_spill)
+ if (flags & arch_irn_flags_dont_spill)
return 0;
if (!is_usage && use && use->step == curr_step)
* @p is_usage indicates that the values in new_vals are used (not defined)
* In this case reloads must be performed
*/
-static void displace(block_info_t *bi, workset_t *new_vals, int is_usage) {
+static void displace(block_info_t *bi, workset_t *new_vals, int is_usage)
+{
belady_env_t *env = bi->bel;
workset_t *ws = env->ws;
ir_node **to_insert = ALLOCAN(ir_node*, env->n_regs);
* whether it is used from a register or is reloaded
* before the use.
*/
-static void belady(belady_env_t *env, int id) {
+static void belady(belady_env_t *env, int id)
+{
block_info_t *block_info = new_block_info(env, id);
const ir_node *block = block_info->bl;
/* allocate all values _used_ by this instruction */
workset_clear(new_vals);
- for(i = 0, arity = get_irn_arity(irn); i < arity; ++i) {
+ for (i = 0, arity = get_irn_arity(irn); i < arity; ++i) {
workset_insert(env, new_vals, get_irn_n(irn, i));
}
DBG((dbg, DBG_DECIDE, "\t* uses\n"));
* augmenting the pressure. Note, that a variable is dead
* if it has no further use in this block and is *not* live end
*/
- for(i = 0, arity = get_irn_arity(irn); i < arity; ++i) {
+ for (i = 0, arity = get_irn_arity(irn); i < arity; ++i) {
ir_node *op = get_irn_n(irn, i);
next_use_t *use = get_current_use(block_info, op);
env->instr_nr++;
}
- phase_free(&block_info->next_uses);
+ phase_deinit(&block_info->next_uses);
/* Remember end-workset for this block */
block_info->ws_end = workset_clone(env, &env->ob, env->ws);
static block_state_t *new_block_state(global_end_state_t *ges, block_info_t *bi)
{
block_state_t *bs = get_block_state(ges, bi);
- block_state_t *nw = obstack_alloc(&ges->obst, sizeof(nw[0]));
+ block_state_t *nw = OALLOC(&ges->obst, block_state_t);
nw->next_intern = bs;
nw->next = ges->bs_top;
static irn_action_t *new_irn_action(global_end_state_t *ges, ir_node *irn, const ir_node *bl)
{
- irn_action_t *ia = obstack_alloc(&ges->obst, sizeof(ia[0]));
+ irn_action_t *ia = OALLOC(&ges->obst, irn_action_t);
ia->irn = irn;
ia->bl = bl;
ges.version = ver_make_newer(ver_oldest);
ges.succ_phis = bitset_irg_obstack_alloc(&ges.obst, env->irg);
ges.committed = bitset_obstack_alloc(&ges.obst, env->n_blocks);
- ges.bs_tops = obstack_alloc(&ges.obst, sizeof(ges.bs_tops[0]) * env->n_blocks);
- ges.bs_tops_vers = obstack_alloc(&ges.obst, sizeof(ges.bs_tops_vers[0]) * env->n_blocks);
+ ges.bs_tops = OALLOCN(&ges.obst, block_state_t*, env->n_blocks);
+ ges.bs_tops_vers = OALLOCN(&ges.obst, unsigned, env->n_blocks);
/* invalidate all state stack pointer versions */
for (i = 0; i < env->n_blocks; ++i) {
* In the transformed graph, the register pressure never exceeds the number
* of available registers.
*
- * @param birg The backend graph
+ * @param irg The graph
* @param cls The register class to spill
*/
-void be_spill_belady(be_irg_t *birg, const arch_register_class_t *cls)
+static void be_spill_belady(ir_graph *irg, const arch_register_class_t *cls)
{
- ir_graph *irg = be_get_birg_irg(birg);
belady_env_t env;
int i, n_regs;
/* some special classes contain only ignore regs, nothing to do then */
- n_regs = cls->n_regs - be_put_ignore_regs(birg, cls, NULL);
- if(n_regs == 0)
+ n_regs = cls->n_regs - be_put_ignore_regs(irg, cls, NULL);
+ if (n_regs == 0)
return;
be_clear_links(irg);
/* init belady env */
obstack_init(&env.ob);
env.irg = irg;
- env.arch = be_get_birg_arch_env(birg);
+ env.arch = be_get_irg_arch_env(irg);
env.cls = cls;
- env.lv = be_get_birg_liveness(birg);
+ env.lv = be_get_irg_liveness(irg);
env.dfs = env.lv->dfs;
env.n_regs = n_regs;
env.ws = new_workset(&env, &env.ob);
- env.senv = be_new_spill_env(birg);
- env.ef = be_get_birg_exec_freq(birg);
+ env.senv = be_new_spill_env(irg);
+ env.ef = be_get_irg_exec_freq(irg);
env.spilled = bitset_irg_obstack_alloc(&env.ob, irg);
env.extra_spilled = ir_nodeset_new(64);
env.n_blocks = 0;
obstack_free(&env.ob, NULL);
}
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_spillbelady2);
void be_init_spillbelady2(void)
{
lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
be_register_spiller("belady2", &belady_spiller);
FIRM_DBG_REGISTER(dbg, "firm.be.spill.belady2");
}
-
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_spillbelady2);
projects / libfirm / blobdiff