#include "bechordal.h"
#include "beirgmod.h"
+typedef struct _be_ra_chordal_opts_t be_ra_chordal_opts_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. */
+ 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;
/**
* 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. */
- 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. */
+ struct obstack obst; /**< An obstack for temporary storage. */
+ be_ra_chordal_opts_t *opts; /**< A pointer to the chordal ra options. */
+ 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. */
+ 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. */
};
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)
enum {
/* spill method */
- BE_CH_SPILL_BELADY = 1,
- BE_CH_SPILL_ILP = 2,
+ 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_ALL = 2 * BE_CH_DUMP_TREE_INTV - 1,
+ BE_CH_DUMP_NONE = (1 << 0),
+ BE_CH_DUMP_SPILL = (1 << 1),
+ 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_LOWER = (1 << 8),
+ BE_CH_DUMP_ALL = 2 * BE_CH_DUMP_LOWER - 1,
/* copymin method */
- BE_CH_COPYMIN_HEUR = 1,
- BE_CH_COPYMIN_ILP = 2,
+ BE_CH_COPYMIN_HEUR = 1,
+ BE_CH_COPYMIN_ILP = 2,
/* ifg flavor */
- BE_CH_IFG_STD = 1,
- BE_CH_IFG_FAST = 2
+ 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
};
-typedef struct {
- int dump_flags;
+struct _be_ra_chordal_opts_t {
+ unsigned dump_flags;
int spill_method;
int copymin_method;
int ifg_flavor;
+ int lower_perm_method;
char ilp_server[128];
char ilp_solver[128];
-} be_ra_chordal_opts_t;
+};
#endif /* _BECHORDAL_T_H */