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| author | Richard Henderson <rth@cygnus.com> | 1999-10-04 11:52:39 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 1999-10-04 11:52:39 -0700 |
| commit | 8229306b8bf013abab6c77e56f486097075f6161 (patch) | |
| tree | b9773a5f631cc19430069bdb2fe20c2fddbf3d0c /gcc/bitmap.h | |
| parent | 393f3ad5b9faca002ce01cd61db226174f01f44a (diff) | |
| download | gcc-8229306b8bf013abab6c77e56f486097075f6161.zip gcc-8229306b8bf013abab6c77e56f486097075f6161.tar.gz gcc-8229306b8bf013abab6c77e56f486097075f6161.tar.bz2 | |
bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
* bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
* bitmap.c (bitmap_operation): Return true iff TO changed.
(bitmap_equal_p): New.
(bitmap_bit_p): Tidy arithmetic.
(debug_bitmap_file): Likewise.
From-SVN: r29808
Diffstat (limited to 'gcc/bitmap.h')
| -rw-r--r-- | gcc/bitmap.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/bitmap.h b/gcc/bitmap.h index 6f05bcf..286c75e 100644 --- a/gcc/bitmap.h +++ b/gcc/bitmap.h @@ -55,7 +55,8 @@ typedef struct bitmap_head_def { enum bitmap_bits { BITMAP_AND, /* TO = FROM1 & FROM2 */ BITMAP_AND_COMPL, /* TO = FROM1 & ~ FROM2 */ - BITMAP_IOR /* TO = FROM1 | FROM2 */ + BITMAP_IOR, /* TO = FROM1 | FROM2 */ + BITMAP_XOR /* TO = FROM1 ^ FROM2 */ }; /* Global data */ @@ -68,8 +69,11 @@ extern void bitmap_clear PROTO((bitmap)); /* Copy a bitmap to another bitmap. */ extern void bitmap_copy PROTO((bitmap, bitmap)); +/* True if two bitmaps are identical. */ +extern int bitmap_equal_p PROTO((bitmap, bitmap)); + /* Perform an operation on two bitmaps, yielding a third. */ -extern void bitmap_operation PROTO((bitmap, bitmap, bitmap, enum bitmap_bits)); +extern int bitmap_operation PROTO((bitmap, bitmap, bitmap, enum bitmap_bits)); /* `or' into one bitmap the `and' of a second bitmap witih the complement of a third. */ |