/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @date 26.03.2007
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include "bestate.h"
typedef struct minibelady_env_t {
struct obstack obst;
- const arch_env_t *arch_env;
const arch_register_t *reg;
const be_lv_t *lv;
void *func_env;
ir_node *end_state;
} block_info_t;
-static INLINE
+static inline
block_info_t *new_block_info(struct obstack *obst, ir_node *block)
{
block_info_t *res = obstack_alloc(obst, sizeof(*res));
return res;
}
-static INLINE
+static inline
block_info_t *get_block_info(ir_node *block)
{
assert(irn_visited(block));
return (block_info_t*) get_irn_link(block);
}
-static INLINE
+static inline
spill_info_t *create_spill_info(minibelady_env_t *env, ir_node *state)
{
spill_info_t *spill_info = obstack_alloc(&env->obst, sizeof(spill_info[0]));
return spill_info;
}
-static INLINE
+static inline
spill_info_t *get_spill_info(minibelady_env_t *env, const ir_node *node)
{
spill_info_t *spill_info
static
void spill_phi(minibelady_env_t *env, ir_node *phi)
{
- ir_graph *irg = get_irn_irg(phi);
- ir_node *block = get_nodes_block(phi);
- int i, arity = get_irn_arity(phi);
- ir_node **in = alloca(arity * sizeof(in[0]));
- ir_node *spill_to_kill = NULL;
+ ir_graph *irg = get_irn_irg(phi);
+ ir_node *block = get_nodes_block(phi);
+ int arity = get_irn_arity(phi);
+ ir_node **in = ALLOCAN(ir_node*, arity);
+ ir_node *spill_to_kill = NULL;
spill_info_t *spill_info;
+ int i;
/* does a spill exist for the phis value? */
spill_info = get_spill_info(env, phi);
sched_foreach(block, node) {
if (!is_Phi(node))
break;
- if (arch_get_irn_register(env->arch_env, node) != env->reg)
+ if (arch_get_irn_register(node) != env->reg)
continue;
DBG((dbg, LEVEL_2, "\t...checking %+F\n", node));
if(!mode_is_data(get_irn_mode(node)))
continue;
- if (arch_get_irn_register(env->arch_env, node) != env->reg)
+ if (arch_get_irn_register(node) != env->reg)
continue;
DBG((dbg, LEVEL_2, "\t...checking %+F\n", node));
if(!mode_is_data(get_irn_mode(in)))
continue;
- reg = arch_get_irn_register(env->arch_env, in);
+ reg = arch_get_irn_register(in);
if(reg == env->reg) {
assert(need_val == NULL);
need_val = in;
if(!mode_is_data(get_irn_mode(proj)))
continue;
- reg = arch_get_irn_register(env->arch_env, proj);
+ reg = arch_get_irn_register(proj);
if(reg == env->reg) {
current_state = proj;
DBG((dbg, LEVEL_3, "\t... current_state <- %+F\n", current_state));
}
} else {
if(mode_is_data(get_irn_mode(node))) {
- const arch_register_t *reg =
- arch_get_irn_register(env->arch_env, node);
+ const arch_register_t *reg = arch_get_irn_register(node);
if(reg == env->reg) {
current_state = node;
DBG((dbg, LEVEL_3, "\t... current_state <- %+F\n", current_state));
be_lv_t *lv = be_assure_liveness(birg);
be_liveness_assure_sets(lv);
- be_assure_dom_front(birg);
/* construct control flow loop tree */
if(! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) {
construct_cf_backedges(irg);
}
obstack_init(&env.obst);
- env.arch_env = be_get_birg_arch_env(birg);
env.reg = reg;
env.func_env = func_env;
env.create_spill = create_spill;
ir_nodemap_init(&env.spill_infos);
assure_doms(irg);
- set_using_visited(irg);
- set_using_irn_link(irg);
+ ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED | IR_RESOURCE_IRN_LINK);
inc_irg_visited(irg);
/* process blocks */
/* fix block end_states that don't match the next blocks start_state */
irg_block_walk_graph(irg, fix_block_borders, NULL, &env);
- clear_using_visited(irg);
- clear_using_irn_link(irg);
+ ir_free_resources(irg, IR_RESOURCE_IRN_VISITED | IR_RESOURCE_IRN_LINK);
/* reconstruct ssa-form */
info = env.spills;
len = ARR_LEN(phis);
for(i = 0; i < len; ++i) {
ir_node *phi = phis[i];
- be_set_phi_flags(env.arch_env, phi, arch_irn_flags_ignore);
- arch_set_irn_register(env.arch_env, phi, env.reg);
+ arch_set_irn_register(phi, env.reg);
}
be_ssa_construction_destroy(&senv);