X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbechordal_t.h;h=a68d301ba8f01d2d5faacd7666338770b160d035;hb=36fc5bb2784078aa07e1fa643a5acba7025fe98f;hp=acc46d8ffcb0375b004495ef6950bb039508e8a8;hpb=63df06294597d13645b55093756b4cc1eb0a41e2;p=libfirm diff --git a/ir/be/bechordal_t.h b/ir/be/bechordal_t.h index acc46d8ff..a68d301ba 100644 --- a/ir/be/bechordal_t.h +++ b/ir/be/bechordal_t.h @@ -1,104 +1,62 @@ +/* + * This file is part of libFirm. + * Copyright (C) 2012 University of Karlsruhe. + */ /** - * Internal data structures for the chordal register allocator. - * @author Sebastian Hack - * @date 25.1.2005 + * @file + * @brief Internal data structures for the chordal register allocator. + * @author Sebastian Hack + * @date 25.01.2005 */ - -#ifndef _BECHORDAL_T_H -#define _BECHORDAL_T_H +#ifndef FIRM_BE_BECHORDAL_T_H +#define FIRM_BE_BECHORDAL_T_H #include "firm_types.h" -#include "firm_config.h" - -#include - -#include "bitset.h" #include "list.h" -#include "obst.h" -#include "pset.h" #include "pmap.h" -#include "set.h" - -#include "execfreq.h" +#include "bitset.h" +#include "obst.h" +#include "debug.h" -#include "be_t.h" -#include "beifg.h" -#include "bera.h" -#include "bearch.h" #include "bechordal.h" -#include "beirgmod.h" -#include "belive.h" - -typedef struct _be_ra_chordal_opts_t be_ra_chordal_opts_t; - -/** Defines an invalid register index. */ -#define NO_COLOR (-1) +#include "beifg.h" /** * 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 { + struct list_head list; /**< list head for queuing. */ + ir_node *irn; /**< The node. */ + unsigned step; /**< The number equal to the interval border. */ + 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. */ +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. */ - const be_irg_t *birg; /**< Back-end IRG session. */ - dom_front_info_t *dom_front; /**< Dominance frontiers. */ - ir_graph *irg; /**< The graph under examination. */ + ir_graph *irg; /**< The graph under examination. */ const arch_register_class_t *cls; /**< The current register class. */ - ir_exec_freq *exec_freq; /**< Adam's execution frequencies. */ - be_lv_t *lv; /**< Liveness information. */ - 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. */ + pmap *border_heads; /**< Maps blocks to border heads. */ + be_ifg_t *ifg; /**< The interference graph. */ + bitset_t *allocatable_regs; /**< set of allocatable registers */ }; -static INLINE struct list_head *_get_block_border_head(const be_chordal_env_t *inf, ir_node *bl) { - return pmap_get(inf->border_heads, bl); +static inline struct list_head *get_block_border_head(be_chordal_env_t const *const inf, ir_node *const bl) +{ + return pmap_get(list_head, inf->border_heads, 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_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); +#define foreach_border_head(head, pos) list_for_each_entry_reverse(border_t, pos, head, list) enum { - /* spill method */ - BE_CH_SPILL_BELADY = 1, - BE_CH_SPILL_MORGAN = 2, - BE_CH_SPILL_REMAT = 3, - /* Dump flags */ BE_CH_DUMP_NONE = (1 << 0), BE_CH_DUMP_SPILL = (1 << 1), @@ -110,17 +68,10 @@ enum { 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_SPLIT = (1 << 10), + BE_CH_DUMP_APPEL = (1 << 11), BE_CH_DUMP_ALL = 2 * BE_CH_DUMP_APPEL - 1, - /* ifg flavor */ - BE_CH_IFG_STD = 1, - BE_CH_IFG_FAST = 2, - BE_CH_IFG_CLIQUE = 3, - BE_CH_IFG_POINTER = 4, - BE_CH_IFG_LIST = 5, - BE_CH_IFG_CHECK = 6, - /* lower perm options */ BE_CH_LOWER_PERM_SWAP = 1, BE_CH_LOWER_PERM_COPY = 2, @@ -131,26 +82,12 @@ enum { BE_CH_VRFY_ASSERT = 3, }; -struct _be_ra_chordal_opts_t { - int dump_flags; - int spill_method; - int ifg_flavor; - int lower_perm_opt; - int vrfy_option; - - char ilp_server[128]; - char ilp_solver[128]; +struct be_ra_chordal_opts_t { + unsigned dump_flags; + int lower_perm_opt; + int vrfy_option; }; -/** - * 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); - -void be_pre_spill_prepare_constr(be_chordal_env_t *cenv); +void check_for_memory_operands(ir_graph *irg); -#endif /* _BECHORDAL_T_H */ +#endif /* FIRM_BE_BECHORDAL_T_H */