diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2024-11-30 08:00:53 -0500 |
|---|---|---|
| committer | Marge Bot <emma+marge@anholt.net> | 2024-12-04 13:40:41 +0000 |
| commit | 16f7d22394a6ed34c64cb855e4e0d9f9ae5f7465 (patch) | |
| tree | 5586c063d29ab143951ba72cd691567e156e817c /src/util/bitset.h | |
| parent | da3f9e36267873fa3f54a5bee1f9c293c47088ee (diff) | |
util/bitset: add BITSET_GET_RANGE_INSIDE_WORD
to be used later
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32424>
Diffstat (limited to 'src/util/bitset.h')
| -rw-r--r-- | src/util/bitset.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/util/bitset.h b/src/util/bitset.h index 8f6979881bd..4fc4dbb6f3e 100644 --- a/src/util/bitset.h +++ b/src/util/bitset.h @@ -207,11 +207,13 @@ __bitset_shl(BITSET_WORD *x, unsigned amount, unsigned n) /* bit range operations (e=end is inclusive) */ -#define BITSET_TEST_RANGE_INSIDE_WORD(x, b, e, mask) \ +#define BITSET_GET_RANGE_INSIDE_WORD(x, b, e) \ (BITSET_BITWORD(b) == BITSET_BITWORD(e) ? \ - (((x)[BITSET_BITWORD(b)] & BITSET_RANGE(b, e)) == \ - (((BITSET_WORD)mask) << (b % BITSET_WORDBITS))) : \ + (((x)[BITSET_BITWORD(b)] >> (b % BITSET_WORDBITS)) & \ + BITSET_MASK((e) - (b) + 1)) : \ (assert (!"BITSET_TEST_RANGE: bit range crosses word boundary"), 0)) +#define BITSET_TEST_RANGE_INSIDE_WORD(x, b, e, mask) \ + (BITSET_GET_RANGE_INSIDE_WORD(x, b, e) == (mask)) #define BITSET_SET_RANGE_INSIDE_WORD(x, b, e) \ (BITSET_BITWORD(b) == BITSET_BITWORD(e) ? \ ((x)[BITSET_BITWORD(b)] |= BITSET_RANGE(b, e)) : \ |