diff options
Diffstat (limited to 'include/qemu/bitmap.h')
| -rw-r--r-- | include/qemu/bitmap.h | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h index ec5146f84e..63ea2d0b1e 100644 --- a/include/qemu/bitmap.h +++ b/include/qemu/bitmap.h @@ -57,11 +57,8 @@ * find_next_bit(addr, nbits, bit) Position next set bit in *addr >= bit */ -#define BITMAP_LAST_WORD_MASK(nbits) \ - ( \ - ((nbits) % BITS_PER_LONG) ? \ - (1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL \ - ) +#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) +#define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)] @@ -75,10 +72,6 @@ int slow_bitmap_equal(const unsigned long *bitmap1, const unsigned long *bitmap2, long bits); void slow_bitmap_complement(unsigned long *dst, const unsigned long *src, long bits); -void slow_bitmap_shift_right(unsigned long *dst, - const unsigned long *src, int shift, long bits); -void slow_bitmap_shift_left(unsigned long *dst, - const unsigned long *src, int shift, long bits); int slow_bitmap_and(unsigned long *dst, const unsigned long *bitmap1, const unsigned long *bitmap2, long bits); void slow_bitmap_or(unsigned long *dst, const unsigned long *bitmap1, |