/**
- * Internal datastructures for the chordal register allocator.
+ * Internal data structures for the chordal register allocator.
* @author Sebastian Hack
* @date 25.1.2005
*/
#ifndef _BECHORDAL_T_H
#define _BECHORDAL_T_H
+#include "firm_types.h"
+#include "firm_config.h"
+
#include <stdlib.h>
#include "bitset.h"
#include "pmap.h"
#include "set.h"
-#include "irnode.h"
-#include "irgraph.h"
+#include "execfreq.h"
#include "be_t.h"
#include "beifg.h"
#include "bera.h"
-#include "bearch.h"
+#include "bearch_t.h"
#include "bechordal.h"
-#include "beirgmod.h"
+#include "belive.h"
+#include "beirg_t.h"
+
+typedef struct be_ra_chordal_opts_t be_ra_chordal_opts_t;
+typedef struct border_t border_t;
/** Defines an invalid register index. */
#define NO_COLOR (-1)
-#define DBG_CHORDAL "firm.be.ra.chordal"
-
/**
* A liveness interval border.
*/
-typedef struct _border_t {
- unsigned magic; /**< A magic number for checking. */
- struct list_head list; /**< list head for queuing. */
- struct _border_t *other_end; /**< The other end of the border. */
- ir_node *irn; /**< The node. */
- unsigned step; /**< The number equal to the interval border. */
- unsigned pressure; /**< The pressure at this interval border.
- (The border itself is counting). */
- unsigned is_def : 1; /**< Does this border denote a use or a def. */
- unsigned is_real : 1; /**< Is the def/use real? Or is it just inserted
- at block beginnings or ends to ensure that inside
- a block, each value has one begin and one end. */
-} border_t;
+struct border_t {
+ DEBUG_ONLY(unsigned magic;) /**< A magic number for checking. */
+ struct list_head list; /**< list head for queuing. */
+ border_t *other_end; /**< The other end of the border. */
+ ir_node *irn; /**< The node. */
+ unsigned step; /**< The number equal to the interval border. */
+ unsigned pressure; /**< The pressure at this interval border. (The border itself is counting). */
+ unsigned is_def : 1; /**< Does this border denote a use or a def. */
+ unsigned is_real : 1; /**< Is the def/use real? Or is it just
+ inserted at block beginnings or ends
+ to ensure that inside a block, each
+ value has one begin and one end. */
+};
/**
* Environment for each of the chordal register allocator phases
*/
-struct _be_chordal_env_t {
- struct obstack obst; /**< An obstack for temporary storage. */
- firm_dbg_module_t *dbg; /**< Debug module for the chordal register allocator. */
- const be_main_env_t *main_env; /**< Environment with back-end data. */
- dom_front_info_t *dom_front; /**< Dominance frontiers. */
- ir_graph *irg; /**< The graph under examination. */
+struct be_chordal_env_t {
+ struct obstack obst; /**< An obstack for temporary storage. */
+ be_ra_chordal_opts_t *opts; /**< A pointer to the chordal ra options. */
+ be_irg_t *birg; /**< Back-end IRG session. */
+ ir_graph *irg; /**< The graph under examination. */
const arch_register_class_t *cls; /**< The current register class. */
- pmap *border_heads; /**< Maps blocks to border heads. */
- be_ifg_t *ifg; /**< The interference graph. */
- void *data; /**< Some pointer, to which different
- phases can attach data to. */
+ pmap *border_heads; /**< Maps blocks to border heads. */
+ be_ifg_t *ifg; /**< The interference graph. */
+ bitset_t *ignore_colors;/**< A set of colors which shall be ignored in register allocation. */
};
static INLINE struct list_head *_get_block_border_head(const be_chordal_env_t *inf, ir_node *bl) {
#define get_block_border_head(info, bl) _get_block_border_head(info, bl)
#define foreach_border_head(head, pos) list_for_each_entry_reverse(border_t, pos, head, list)
+#define border_next(b) (list_entry((b)->list.next, border_t, list))
+#define border_prev(b) (list_entry((b)->list.prev, border_t, list))
#define chordal_has_class(chordal_env, irn) \
- arch_irn_has_reg_class(chordal_env->main_env->arch_env, irn, -1, chordal_env->cls)
-
-int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node *b);
+ arch_irn_consider_in_reg_alloc(chordal_env->birg->main_env->arch_env, chordal_env->cls, irn)
void be_ra_chordal_color(be_chordal_env_t *chordal_env);
enum {
- /* spill method */
- BE_CH_SPILL_BELADY = 1,
- BE_CH_SPILL_ILP = 2,
-
/* Dump flags */
BE_CH_DUMP_NONE = (1 << 0),
BE_CH_DUMP_SPILL = (1 << 1),
- BE_CH_DUMP_COPYMIN = (1 << 2),
- BE_CH_DUMP_SSADESTR = (1 << 3),
- BE_CH_DUMP_TREE_INTV = (1 << 4),
- BE_CH_DUMP_CONSTR = (1 << 5),
- BE_CH_DUMP_ALL = 2 * BE_CH_DUMP_CONSTR - 1,
-
- /* copymin method */
- BE_CH_COPYMIN_HEUR = 1,
- BE_CH_COPYMIN_ILP = 2,
-
- /* ifg flavor */
- BE_CH_IFG_STD = 1,
- BE_CH_IFG_FAST = 2,
-
- /* lower perm method */
- BE_CH_LOWER_PERM_SWAP = 1,
- BE_CH_LOWER_PERM_COPY = 2
+ BE_CH_DUMP_LIVE = (1 << 2),
+ BE_CH_DUMP_COLOR = (1 << 3),
+ BE_CH_DUMP_COPYMIN = (1 << 4),
+ BE_CH_DUMP_SSADESTR = (1 << 5),
+ BE_CH_DUMP_TREE_INTV = (1 << 6),
+ BE_CH_DUMP_CONSTR = (1 << 7),
+ BE_CH_DUMP_SPILLSLOTS = (1 << 8),
+ BE_CH_DUMP_LOWER = (1 << 9),
+ BE_CH_DUMP_APPEL = (1 << 10),
+ BE_CH_DUMP_ALL = 2 * BE_CH_DUMP_APPEL - 1,
+
+ /* lower perm options */
+ BE_CH_LOWER_PERM_SWAP = 1,
+ BE_CH_LOWER_PERM_COPY = 2,
+
+ /* verify options */
+ BE_CH_VRFY_OFF = 1,
+ BE_CH_VRFY_WARN = 2,
+ BE_CH_VRFY_ASSERT = 3,
};
-typedef struct {
+struct be_ra_chordal_opts_t {
int dump_flags;
- int spill_method;
- int copymin_method;
- int ifg_flavor;
- int lower_perm_method;
+ int lower_perm_opt;
+ int vrfy_option;
char ilp_server[128];
char ilp_solver[128];
-} be_ra_chordal_opts_t;
+};
+void be_pre_spill_prepare_constr(be_chordal_env_t *cenv);
#endif /* _BECHORDAL_T_H */
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