#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 "be_t.h"
#include "beifg.h"
#include "bera.h"
#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)
* 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 obstack obst; /**< An obstack for temporary storage. */
+ be_ra_chordal_opts_t *opts; /**< A pointer to the chordal ra options. */
+ const be_irg_t *birg; /**< Back-end IRG session. */
+ 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. */
+ 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. */
+ bitset_t *ignore_colors; /**< A set of colors which shall be ignored in register allocation. */
+ DEBUG_ONLY(firm_dbg_module_t *dbg;) /**< Debug module for the chordal register allocator. */
};
static INLINE struct list_head *_get_block_border_head(const be_chordal_env_t *inf, ir_node *bl) {
#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)
+ arch_irn_consider_in_reg_alloc(chordal_env->birg->main_env->arch_env, chordal_env->cls, irn)
int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node *b);
void be_ra_chordal_color(be_chordal_env_t *chordal_env);
+/**
+ * Check a register allocation obtained with the chordal register allocator.
+ * @param chordal_env The chordal environment.
+ */
+void be_ra_chordal_check(be_chordal_env_t *chordal_env);
+
enum {
/* spill method */
BE_CH_SPILL_BELADY = 1,
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_NONE = 0,
+ BE_CH_COPYMIN_HEUR1 = 1,
+ BE_CH_COPYMIN_HEUR2 = 2,
+ BE_CH_COPYMIN_STAT = 3,
+ BE_CH_COPYMIN_ILP1 = 4,
+ BE_CH_COPYMIN_ILP2 = 5,
/* 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
+ /* lower perm options */
+ BE_CH_LOWER_PERM_SWAP = (1 << 0),
+ BE_CH_LOWER_PERM_COPY = (1 << 1),
};
-typedef struct {
- unsigned dump_flags;
+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;
char ilp_server[128];
char ilp_solver[128];
-} be_ra_chordal_opts_t;
+};
+/**
+ * Open a file whose name is composed from the graph's name and the current register class.
+ * @note The name of the file will be prefix(ifg_name)_(reg_class_name).suffix
+ * @param prefix The file name's prefix.
+ * @param suffix The file name's ending (the . is inserted automatically).
+ * @return A text file opened for writing.
+ */
+FILE *be_chordal_open(const be_chordal_env_t *env, const char *prefix, const char *suffix);
#endif /* _BECHORDAL_T_H */