* @date 26.07.2006
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <stdlib.h>
#include "besched.h"
#include "bespillslots.h"
#include "bechordal_t.h"
-#include "bejavacoal.h"
#include "bestatevent.h"
#include "bespilloptions.h"
#include "bemodule.h"
}
-static INLINE ir_node *get_memory_edge(const ir_node *node)
+static inline ir_node *get_memory_edge(const ir_node *node)
{
int i, arity;
spill.mode = mode;
spill.alignment = align;
res = set_insert(env->spills, &spill, sizeof(spill), hash);
+ DB((dbg, DBG_COALESCING, "Slot %d: %+F\n", spill.spillslot, node));
} else {
assert(res->mode == mode);
assert(res->alignment == align);
spill.spillslot = set_count(env->spills);
spill.mode = mode;
spill.alignment = align;
+ DB((dbg, DBG_COALESCING, "Slot %d: %+F\n", spill.spillslot, node));
res = set_insert(env->spills, &spill, sizeof(spill), hash);
/* collect attached spills and mem-phis */
if(spillcount == 0)
return;
- DBG((dbg, DBG_COALESCING, "Coalescing %d spillslots\n", spillcount));
+ DB((dbg, DBG_COALESCING, "Coalescing %d spillslots\n", spillcount));
- interferences = alloca(spillcount * sizeof(interferences[0]));
- spillslot_unionfind = alloca(spillcount * sizeof(spillslot_unionfind[0]));
- spilllist = alloca(spillcount * sizeof(spilllist[0]));
+ interferences = ALLOCAN(bitset_t*, spillcount);
+ spillslot_unionfind = ALLOCAN(int, spillcount);
+ spilllist = ALLOCAN(spill_t*, spillcount);
uf_init(spillslot_unionfind, 0, spillcount);
continue;
if (my_values_interfere(env->birg, spill1, spill2)) {
- DBG((dbg, DBG_INTERFERENCES,
+ DB((dbg, DBG_INTERFERENCES,
"Slot %d and %d interfere\n", i, i2));
bitset_set(interferences[i], i2);
continue;
}
- DBG((dbg, DBG_COALESCING,
+ DB((dbg, DBG_COALESCING,
"Merging %d and %d because of affinity edge\n", s1, s2));
merge_interferences(env, interferences, spillslot_unionfind, s1, s2);
continue;
}
- DBG((dbg, DBG_COALESCING,
+ DB((dbg, DBG_COALESCING,
"Merging %d and %d because it is possible\n", s1, s2));
if(merge_interferences(env, interferences, spillslot_unionfind, s1, s2) != 0) {
{
ir_graph *irg = be_get_birg_irg(env->birg);
ir_type *frame = get_irg_frame_type(irg);
- ir_entity *res = frame_alloc_area(frame, slot->size, slot->align, 0);
+ /* TODO: backend should be able to specify wether we want spill slots
+ * at begin or end of frame */
+ int at_start = 1;
+ ir_entity *res = frame_alloc_area(frame, slot->size, slot->align, at_start);
/* adjust size of the entity type... */
ir_type *enttype = get_entity_type(res);
}
-static void assign_spill_entity(const arch_env_t *arch_env, ir_node *node,
- ir_entity *entity)
+static void assign_spill_entity(ir_node *node, ir_entity *entity)
{
if(is_NoMem(node))
return;
ir_node *in = get_irn_n(node, i);
assert(!is_Phi(in));
- assign_spill_entity(arch_env, in, entity);
+ assign_spill_entity(in, entity);
}
return;
}
/* beware: we might have Stores with Memory Proj's, ia32 fisttp for instance */
node = skip_Proj(node);
- assert(arch_get_frame_entity(arch_env, node) == NULL);
- arch_set_frame_entity(arch_env, node, entity);
+ assert(arch_get_frame_entity(node) == NULL);
+ arch_set_frame_entity(node, entity);
}
/**
*/
static void assign_spillslots(be_fec_env_t *env)
{
- const arch_env_t *arch_env = env->arch_env;
- int i;
- int spillcount;
- spill_t *spill;
- spill_slot_t* spillslots;
-
- spillcount = set_count(env->spills);
- spillslots = alloca(spillcount * sizeof(spillslots[0]));
-
- memset(spillslots, 0, spillcount * sizeof(spillslots[0]));
+ int spillcount = set_count(env->spills);
+ spill_slot_t *spillslots = ALLOCANZ(spill_slot_t, spillcount);
+ spill_t *spill;
+ int i;
/* construct spillslots */
for(spill = set_first(env->spills); spill != NULL;
}
}
} else {
- assign_spill_entity(arch_env, node, slot->entity);
+ assign_spill_entity(node, slot->entity);
}
}
assert(slot->entity != NULL);
- arch_set_frame_entity(arch_env, reload, slot->entity);
+ arch_set_frame_entity(reload, slot->entity);
}
}
memperm_t *memperm;
for(memperm = set_first(env->memperms); memperm != NULL; memperm = set_next(env->memperms)) {
- int i;
- memperm_entry_t *entry;
- ir_node *blockend;
- ir_node** nodes = alloca(memperm->entrycount * sizeof(nodes[0]));
- ir_node* mempermnode;
+ ir_node **nodes = ALLOCAN(ir_node*, memperm->entrycount);
+ memperm_entry_t *entry;
+ ir_node *blockend;
+ ir_node *mempermnode;
+ int i;
assert(memperm->entrycount > 0);
be_fec_env_t *be_new_frame_entity_coalescer(be_irg_t *birg)
{
- const arch_env_t *arch_env = &birg->main_env->arch_env;
- be_fec_env_t *env = xmalloc(sizeof(env[0]));
+ const arch_env_t *arch_env = birg->main_env->arch_env;
+ be_fec_env_t *env = XMALLOC(be_fec_env_t);
be_liveness_assure_chk(be_assure_liveness(birg));
static void collect_spills_walker(ir_node *node, void *data)
{
be_fec_env_t *env = data;
- const arch_env_t *arch_env = env->arch_env;
const ir_mode *mode;
const arch_register_class_t *cls;
int align;
if (is_Proj(node))
return;
- if (!arch_irn_class_is(arch_env, node, reload))
+ if (!arch_irn_class_is(node, reload))
return;
mode = get_irn_mode(node);
- cls = arch_get_irn_reg_class(arch_env, node, -1);
- align = arch_isa_get_reg_class_alignment(arch_env_get_isa(arch_env), cls);
+ cls = arch_get_irn_reg_class_out(node);
+ align = arch_env_get_reg_class_alignment(env->arch_env, cls);
be_node_needs_frame_entity(env, node, mode, align);
}
projects / libfirm / blobdiff