* @file
* @brief implementation of the spill/reload placement abstraction layer
* @author Daniel Grund, Sebastian Hack, Matthias Braun
- * @date 29.09.2005
+ * @date 29.09.2005
* @version $Id$
*/
#include "config.h"
const arch_env_t *arch_env;
ir_graph *irg;
struct obstack obst;
- be_irg_t *birg;
int spill_cost; /**< the cost of a single spill node */
int reload_cost; /**< the cost of a reload node */
set *spills; /**< all spill_info_t's, which must be
*/
static int cmp_spillinfo(const void *x, const void *y, size_t size)
{
- const spill_info_t *xx = x;
- const spill_info_t *yy = y;
+ const spill_info_t *xx = (const spill_info_t*)x;
+ const spill_info_t *yy = (const spill_info_t*)y;
(void) size;
return xx->to_spill != yy->to_spill;
int hash = hash_irn(value);
info.to_spill = value;
- res = set_find(env->spills, &info, sizeof(info), hash);
+ res = (spill_info_t*)set_find(env->spills, &info, sizeof(info), hash);
if (res == NULL) {
info.reloaders = NULL;
info.spills = NULL;
info.spill_costs = -1;
info.reload_cls = NULL;
- res = set_insert(env->spills, &info, sizeof(info), hash);
+ res = (spill_info_t*)set_insert(env->spills, &info, sizeof(info), hash);
}
return res;
}
-spill_env_t *be_new_spill_env(be_irg_t *birg)
+spill_env_t *be_new_spill_env(ir_graph *irg)
{
- const arch_env_t *arch_env = birg->main_env->arch_env;
+ const arch_env_t *arch_env = be_get_irg_arch_env(irg);
spill_env_t *env = XMALLOC(spill_env_t);
- env->spills = new_set(cmp_spillinfo, 1024);
- env->irg = be_get_birg_irg(birg);
- env->birg = birg;
+ env->spills = new_set(cmp_spillinfo, 1024);
+ env->irg = irg;
env->arch_env = arch_env;
ir_nodeset_init(&env->mem_phis);
env->spill_cost = arch_env->spill_cost;
env->reload_cost = arch_env->reload_cost;
- env->exec_freq = be_get_birg_exec_freq(birg);
+ env->exec_freq = be_get_irg_exec_freq(irg);
obstack_init(&env->obst);
#ifdef FIRM_STATISTICS
void be_add_spill(spill_env_t *env, ir_node *to_spill, ir_node *after)
{
spill_info_t *spill_info = get_spillinfo(env, to_spill);
- const ir_node *insn = skip_Proj_const(to_spill);
spill_t *spill;
spill_t *s;
spill_t *last;
- assert(!arch_irn_is(insn, dont_spill));
+ assert(!arch_irn_is(skip_Proj_const(to_spill), dont_spill));
DB((dbg, LEVEL_1, "Add spill of %+F after %+F\n", to_spill, after));
/* Just for safety make sure that we do not insert the spill in front of a phi */
{
spill_info_t *info;
reloader_t *rel;
- const ir_node *insn = skip_Proj_const(to_spill);
- assert(!arch_irn_is(insn, dont_spill));
+ assert(!arch_irn_is(skip_Proj_const(to_spill), dont_spill));
info = get_spillinfo(env, to_spill);
}
void be_add_reload_on_edge(spill_env_t *env, ir_node *to_spill, ir_node *block,
- int pos, const arch_register_class_t *reload_cls,
+ int pos, const arch_register_class_t *reload_cls,
int allow_remat)
{
ir_node *before = get_block_insertion_point(block, pos);
void be_spill_phi(spill_env_t *env, ir_node *node)
{
ir_node *block;
- spill_info_t* spill;
int i, arity;
assert(is_Phi(node));
/* create spills for the phi arguments */
block = get_nodes_block(node);
- spill = get_spillinfo(env, node);
for (i = 0, arity = get_irn_arity(node); i < arity; ++i) {
ir_node *arg = get_irn_n(node, i);
ir_node *insert;
- //get_spillinfo(env, arg);
/* some backends have virtual noreg/unknown nodes that are not scheduled
* and simply always available. */
* and simply always available. */
if (!sched_is_scheduled(insn)) {
/* override spillinfos or create a new one */
- spillinfo->spills->spill = new_NoMem();
+ ir_graph *irg = get_irn_irg(to_spill);
+ spillinfo->spills->spill = new_r_NoMem(irg);
DB((dbg, LEVEL_1, "don't spill %+F use NoMem\n", to_spill));
return;
}
static int is_value_available(spill_env_t *env, const ir_node *arg,
const ir_node *reloader)
{
- if (is_Unknown(arg) || arg == new_NoMem())
+ if (is_Unknown(arg) || is_NoMem(arg))
return 1;
if (be_is_Spill(skip_Proj_const(arg)))
(void)reloader;
+ if (get_irn_mode(arg) == mode_T)
+ return 0;
+
/*
* Ignore registers are always available
*/
if (arch_irn_is_ignore(arg))
return 1;
- return 0;
+ return 0;
}
/**
* predecessor (of a PhiM) but this test might match other things too...
*/
if (!sched_is_scheduled(insn)) {
+ ir_graph *irg = get_irn_irg(to_spill);
/* override spillinfos or create a new one */
spill_t *spill = OALLOC(&env->obst, spill_t);
spill->after = NULL;
spill->next = NULL;
- spill->spill = new_NoMem();
+ spill->spill = new_r_NoMem(irg);
spillinfo->spills = spill;
spillinfo->spill_costs = 0;
}
/* process each spilled node */
- for (si = set_first(env->spills); si; si = set_next(env->spills)) {
+ foreach_set(env->spills, spill_info_t*, si) {
reloader_t *rld;
ir_node *to_spill = si->to_spill;
ir_mode *mode = get_irn_mode(to_spill);
* SSA form for the spilled value */
if (ARR_LEN(copies) > 0) {
be_ssa_construction_env_t senv;
- /* be_lv_t *lv = be_get_birg_liveness(env->birg); */
+ /* be_lv_t *lv = be_get_irg_liveness(env->irg); */
- be_ssa_construction_init(&senv, env->birg);
+ be_ssa_construction_init(&senv, env->irg);
be_ssa_construction_add_copy(&senv, to_spill);
be_ssa_construction_add_copies(&senv, copies, ARR_LEN(copies));
be_ssa_construction_fix_users(&senv, to_spill);
be_ssa_construction_env_t senv;
- be_ssa_construction_init(&senv, env->birg);
+ be_ssa_construction_init(&senv, env->irg);
spill = si->spills;
for ( ; spill != NULL; spill = spill->next) {
/* maybe we rematerialized the value and need no spill */
/* Matze: In theory be_ssa_construction should take care of the liveness...
* try to disable this again in the future */
- be_liveness_invalidate(env->birg->lv);
+ be_liveness_invalidate(be_get_irg_liveness(env->irg));
- be_remove_dead_nodes_from_schedule(env->birg);
+ be_remove_dead_nodes_from_schedule(env->irg);
be_timer_pop(T_RA_SPILL_APPLY);
}
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