X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fsbitmap.h;h=edaa0580ebfd48865877647fa7e9d336607eb093;hb=99617355e9cba5fc47f5283caefbe0f22ef8c578;hp=ca2f99730a551e98c6cc4ff260a054875a130004;hpb=cb7e28c369135e0ed896d8a5fd5efb40387e79c8;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/sbitmap.h b/gcc/sbitmap.h index ca2f99730a5..edaa0580ebf 100644 --- a/gcc/sbitmap.h +++ b/gcc/sbitmap.h @@ -1,131 +1,176 @@ /* Simple bitmaps. - Copyright (C) 1999 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ + +#ifndef GCC_SBITMAP_H +#define GCC_SBITMAP_H /* It's not clear yet whether using bitmap.[ch] will be a win. It should be straightforward to convert so for now we keep things simple while more important issues are dealt with. */ -#define SBITMAP_ELT_BITS HOST_BITS_PER_WIDE_INT -#define SBITMAP_ELT_TYPE unsigned HOST_WIDE_INT - -typedef struct simple_bitmap_def { - /* Number of bits. */ - int n_bits; - /* Size in elements. */ - int size; - /* Size in bytes. */ - int bytes; - /* The elements. */ - SBITMAP_ELT_TYPE elms[1]; +#define SBITMAP_ELT_BITS ((unsigned) HOST_BITS_PER_WIDEST_FAST_INT) +#define SBITMAP_ELT_TYPE unsigned HOST_WIDEST_FAST_INT + +typedef struct simple_bitmap_def +{ + unsigned int n_bits; /* Number of bits. */ + unsigned int size; /* Size in elements. */ + unsigned int bytes; /* Size in bytes. */ + SBITMAP_ELT_TYPE elms[1]; /* The elements. */ } *sbitmap; typedef SBITMAP_ELT_TYPE *sbitmap_ptr; /* Return the set size needed for N elements. */ -#define SBITMAP_SET_SIZE(n) (((n) + SBITMAP_ELT_BITS - 1) / SBITMAP_ELT_BITS) +#define SBITMAP_SET_SIZE(N) (((N) + SBITMAP_ELT_BITS - 1) / SBITMAP_ELT_BITS) -/* set bit number bitno in the bitmap */ -#define SET_BIT(bitmap, bitno) \ - ((bitmap)->elms [(bitno) / SBITMAP_ELT_BITS] \ - |= (SBITMAP_ELT_TYPE) 1 << (bitno) % SBITMAP_ELT_BITS) +/* Set bit number bitno in the bitmap. */ +#define SET_BIT(BITMAP, BITNO) \ + ((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] \ + |= (SBITMAP_ELT_TYPE) 1 << (BITNO) % SBITMAP_ELT_BITS) -/* test if bit number bitno in the bitmap is set */ -#define TEST_BIT(bitmap, bitno) \ -((bitmap)->elms [(bitno) / SBITMAP_ELT_BITS] >> (bitno) % SBITMAP_ELT_BITS & 1) +/* Test if bit number bitno in the bitmap is set. */ +#define TEST_BIT(BITMAP, BITNO) \ +((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] >> (BITNO) % SBITMAP_ELT_BITS & 1) -/* reset bit number bitno in the bitmap */ -#define RESET_BIT(bitmap, bitno) \ - ((bitmap)->elms [(bitno) / SBITMAP_ELT_BITS] \ - &= ~((SBITMAP_ELT_TYPE) 1 << (bitno) % SBITMAP_ELT_BITS)) +/* Reset bit number bitno in the bitmap. */ +#define RESET_BIT(BITMAP, BITNO) \ + ((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] \ + &= ~((SBITMAP_ELT_TYPE) 1 << (BITNO) % SBITMAP_ELT_BITS)) /* Loop over all elements of SBITSET, starting with MIN. */ #define EXECUTE_IF_SET_IN_SBITMAP(SBITMAP, MIN, N, CODE) \ do { \ - unsigned int bit_num_ = (MIN) % (unsigned) SBITMAP_ELT_BITS; \ - unsigned int word_num_ = (MIN) / (unsigned) SBITMAP_ELT_BITS; \ + unsigned int word_num_ = (MIN) / (unsigned int) SBITMAP_ELT_BITS; \ + unsigned int bit_num_ = (MIN) % (unsigned int) SBITMAP_ELT_BITS; \ unsigned int size_ = (SBITMAP)->size; \ SBITMAP_ELT_TYPE *ptr_ = (SBITMAP)->elms; \ + SBITMAP_ELT_TYPE word_; \ \ - while (word_num_ < size_) \ + if (word_num_ < size_) \ { \ - SBITMAP_ELT_TYPE word_ = ptr_[word_num_]; \ - if (word_ != 0) \ + word_ = ptr_[word_num_] >> bit_num_; \ + \ + while (1) \ { \ - for (; bit_num_ < SBITMAP_ELT_BITS; ++bit_num_) \ + for (; word_ != 0; word_ >>= 1, bit_num_++) \ { \ - SBITMAP_ELT_TYPE mask_ = (SBITMAP_ELT_TYPE)1 << bit_num_; \ - if ((word_ & mask_) != 0) \ + if ((word_ & 1) != 0) \ { \ - word_ &= ~mask_; \ (N) = word_num_ * SBITMAP_ELT_BITS + bit_num_; \ CODE; \ - if (word_ == 0) \ - break; \ } \ } \ + word_num_++; \ + if (word_num_ >= size_) \ + break; \ + bit_num_ = 0, word_ = ptr_[word_num_]; \ } \ - bit_num_ = 0; \ - word_num_++; \ - } \ + } \ } while (0) -#define sbitmap_free(map) free(map) -#define sbitmap_vector_free(vec) free(vec) - -extern void dump_sbitmap PROTO ((FILE *, sbitmap)); -extern void dump_sbitmap_vector PROTO ((FILE *, const char *, const char *, - sbitmap *, int)); - -extern sbitmap sbitmap_alloc PROTO ((int)); -extern sbitmap *sbitmap_vector_alloc PROTO ((int, int)); - -extern void sbitmap_copy PROTO ((sbitmap, sbitmap)); -extern void sbitmap_zero PROTO ((sbitmap)); -extern void sbitmap_ones PROTO ((sbitmap)); -extern void sbitmap_vector_zero PROTO ((sbitmap *, int)); -extern void sbitmap_vector_ones PROTO ((sbitmap *, int)); +#define EXECUTE_IF_SET_IN_SBITMAP_REV(SBITMAP, N, CODE) \ +do { \ + unsigned int word_num_; \ + unsigned int bit_num_; \ + unsigned int size_ = (SBITMAP)->size; \ + SBITMAP_ELT_TYPE *ptr_ = (SBITMAP)->elms; \ + \ + for (word_num_ = size_; word_num_ > 0; word_num_--) \ + { \ + SBITMAP_ELT_TYPE word_ = ptr_[word_num_ - 1]; \ + \ + if (word_ != 0) \ + for (bit_num_ = SBITMAP_ELT_BITS; bit_num_ > 0; bit_num_--) \ + { \ + SBITMAP_ELT_TYPE _mask = (SBITMAP_ELT_TYPE)1 << (bit_num_ - 1);\ + \ + if ((word_ & _mask) != 0) \ + { \ + word_ &= ~ _mask; \ + (N) = (word_num_ - 1) * SBITMAP_ELT_BITS + bit_num_ - 1;\ + CODE; \ + if (word_ == 0) \ + break; \ + } \ + } \ + } \ +} while (0) -extern int sbitmap_union_of_diff PROTO ((sbitmap, sbitmap, sbitmap, sbitmap)); -extern void sbitmap_difference PROTO ((sbitmap, sbitmap, sbitmap)); -extern void sbitmap_not PROTO ((sbitmap, sbitmap)); -extern int sbitmap_a_or_b_and_c PROTO ((sbitmap, sbitmap, sbitmap, sbitmap)); -extern int sbitmap_a_and_b_or_c PROTO ((sbitmap, sbitmap, sbitmap, sbitmap)); -extern int sbitmap_a_and_b PROTO ((sbitmap, sbitmap, sbitmap)); -extern int sbitmap_a_or_b PROTO ((sbitmap, sbitmap, sbitmap)); +#define sbitmap_free(MAP) free(MAP) +#define sbitmap_vector_free(VEC) free(VEC) struct int_list; -extern void sbitmap_intersect_of_predsucc PROTO ((sbitmap, sbitmap *, - int, struct int_list **)); + +extern void dump_sbitmap (FILE *, sbitmap); +extern void dump_sbitmap_file (FILE *, sbitmap); +extern void dump_sbitmap_vector (FILE *, const char *, const char *, sbitmap *, + int); +extern sbitmap sbitmap_alloc (unsigned int); +extern sbitmap *sbitmap_vector_alloc (unsigned int, unsigned int); +extern sbitmap sbitmap_resize (sbitmap, unsigned int, int); +extern void sbitmap_copy (sbitmap, sbitmap); +extern int sbitmap_equal (sbitmap, sbitmap); +extern void sbitmap_zero (sbitmap); +extern void sbitmap_ones (sbitmap); +extern void sbitmap_vector_zero (sbitmap *, unsigned int); +extern void sbitmap_vector_ones (sbitmap *, unsigned int); + +extern void sbitmap_union_of_diff (sbitmap, sbitmap, sbitmap, sbitmap); +extern bool sbitmap_union_of_diff_cg (sbitmap, sbitmap, sbitmap, sbitmap); +extern void sbitmap_difference (sbitmap, sbitmap, sbitmap); +extern void sbitmap_not (sbitmap, sbitmap); +extern void sbitmap_a_or_b_and_c (sbitmap, sbitmap, sbitmap, sbitmap); +extern bool sbitmap_a_or_b_and_c_cg (sbitmap, sbitmap, sbitmap, sbitmap); +extern void sbitmap_a_and_b_or_c (sbitmap, sbitmap, sbitmap, sbitmap); +extern bool sbitmap_a_and_b_or_c_cg (sbitmap, sbitmap, sbitmap, sbitmap); +extern bool sbitmap_any_common_bits (sbitmap, sbitmap); +extern void sbitmap_a_and_b (sbitmap, sbitmap, sbitmap); +extern bool sbitmap_a_and_b_cg (sbitmap, sbitmap, sbitmap); +extern void sbitmap_a_or_b (sbitmap, sbitmap, sbitmap); +extern bool sbitmap_a_or_b_cg (sbitmap, sbitmap, sbitmap); +extern void sbitmap_a_xor_b (sbitmap, sbitmap, sbitmap); +extern bool sbitmap_a_xor_b_cg (sbitmap, sbitmap, sbitmap); +extern bool sbitmap_a_subset_b_p (sbitmap, sbitmap); + +extern int sbitmap_first_set_bit (sbitmap); +extern int sbitmap_last_set_bit (sbitmap); + +extern void sbitmap_intersect_of_predsucc (sbitmap, sbitmap *, int, + struct int_list **); #define sbitmap_intersect_of_predecessors sbitmap_intersect_of_predsucc #define sbitmap_intersect_of_successors sbitmap_intersect_of_predsucc -extern void sbitmap_union_of_predsucc PROTO ((sbitmap, sbitmap *, int, - struct int_list **)); +extern void sbitmap_union_of_predsucc (sbitmap, sbitmap *, int, + struct int_list **); #define sbitmap_union_of_predecessors sbitmap_union_of_predsucc #define sbitmap_union_of_successors sbitmap_union_of_predsucc -/* Intersection and Union of preds/succs using the new flow graph +/* Intersection and Union of preds/succs using the new flow graph structure instead of the pred/succ arrays. */ -extern void sbitmap_intersection_of_succs PROTO ((sbitmap, sbitmap *, int)); -extern void sbitmap_intersection_of_preds PROTO ((sbitmap, sbitmap *, int)); -extern void sbitmap_union_of_succs PROTO ((sbitmap, sbitmap *, int)); -extern void sbitmap_union_of_preds PROTO ((sbitmap, sbitmap *, int)); +extern void sbitmap_intersection_of_succs (sbitmap, sbitmap *, int); +extern void sbitmap_intersection_of_preds (sbitmap, sbitmap *, int); +extern void sbitmap_union_of_succs (sbitmap, sbitmap *, int); +extern void sbitmap_union_of_preds (sbitmap, sbitmap *, int); +extern void debug_sbitmap (sbitmap); +extern sbitmap sbitmap_realloc (sbitmap, unsigned int); +#endif /* ! GCC_SBITMAP_H */