diff options
Diffstat (limited to 'gcc/bitmap.h')
| -rw-r--r-- | gcc/bitmap.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gcc/bitmap.h b/gcc/bitmap.h index 21e289e..73d5a58 100644 --- a/gcc/bitmap.h +++ b/gcc/bitmap.h @@ -87,12 +87,24 @@ extern void bitmap_copy (bitmap, bitmap); /* True if two bitmaps are identical. */ extern int bitmap_equal_p (bitmap, bitmap); +#define bitmap_empty_p(MAP) (!(MAP)->first) + /* Perform an operation on two bitmaps, yielding a third. */ extern int bitmap_operation (bitmap, bitmap, bitmap, enum bitmap_bits); +#define bitmap_and(DST,A,B) bitmap_operation (DST,A,B,BITMAP_AND) +#define bitmap_and_into(DST_SRC,B) bitmap_operation (DST_SRC,DST_SRC,B,BITMAP_AND) +#define bitmap_and_compl(DST,A,B) bitmap_operation (DST,A,B,BITMAP_AND_COMPL) +#define bitmap_and_compl_into(DST_SRC,B) bitmap_operation (DST_SRC,DST_SRC,B,BITMAP_AND_COMPL) +#define bitmap_ior(DST,A,B) bitmap_operation (DST,A,B,BITMAP_IOR) +#define bitmap_ior_into(DST_SRC,B) bitmap_operation (DST_SRC,DST_SRC,B,BITMAP_IOR) +#define bitmap_ior_compl(DST,A,B) bitmap_operation (DST,A,B,BITMAP_IOR_COMPL) +#define bitmap_xor(DST,A,B) bitmap_operation (DST,A,B,BITMAP_XOR) +#define bitmap_xor_into(DST_SRC,B) bitmap_operation (DST_SRC,DST_SRC,B,BITMAP_XOR) + /* `or' into one bitmap the `and' of a second bitmap witih the complement - of a third. */ -extern void bitmap_ior_and_compl (bitmap, bitmap, bitmap); + of a third. Return nonzero if the bitmap changes. */ +extern int bitmap_ior_and_compl_into (bitmap, bitmap, bitmap); /* Clear a single register in a register set. */ extern void bitmap_clear_bit (bitmap, int); |