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util/bitset: allow BITSET_*_RANGE(x, 0, -1)

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as a no-op. This reduces special cases in callers.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38955>
This commit is contained in:
Alyssa Rosenzweig 2025-12-15 14:36:32 -05:00 • committed by Marge Bot
parent 9c16bbd023
commit 9d704930a1
1 changed files with 9 additions and 9 deletions
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18
src/util/bitset.h
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@ -227,13 +227,13 @@ __bitset_shl(BITSET_WORD *x, unsigned amount, unsigned n)
(assert (!"BITSET_CLEAR_RANGE: bit range crosses word boundary"), 0))
static inline bool
__bitset_test_range(const BITSET_WORD *r, unsigned start, unsigned end)
__bitset_test_range(const BITSET_WORD *r, int start, int end)
{
while (start <= end) {
unsigned start_mod = start % BITSET_WORDBITS;
unsigned size = MIN2(BITSET_WORDBITS - start_mod, end - start + 1);
unsigned size = MIN2(BITSET_WORDBITS - start_mod, end - start + 1u);
if (!BITSET_TEST_RANGE_INSIDE_WORD(r, start, start + size - 1, 0))
if (!BITSET_TEST_RANGE_INSIDE_WORD(r, start, start + size - 1u, 0))
return true;
start += size;
@ -246,13 +246,13 @@ __bitset_test_range(const BITSET_WORD *r, unsigned start, unsigned end)
__bitset_test_range(x, b, e)
static inline void
__bitset_set_range(BITSET_WORD *r, unsigned start, unsigned end)
__bitset_set_range(BITSET_WORD *r, int start, int end)
{
while (start <= end) {
unsigned start_mod = start % BITSET_WORDBITS;
unsigned size = MIN2(BITSET_WORDBITS - start_mod, end - start + 1);
unsigned size = MIN2(BITSET_WORDBITS - start_mod, end - start + 1u);
BITSET_SET_RANGE_INSIDE_WORD(r, start, start + size - 1);
BITSET_SET_RANGE_INSIDE_WORD(r, start, start + size - 1u);
start += size;
}
}
@ -261,13 +261,13 @@ __bitset_set_range(BITSET_WORD *r, unsigned start, unsigned end)
__bitset_set_range(x, b, e)
static inline void
__bitclear_clear_range(BITSET_WORD *r, unsigned start, unsigned end)
__bitclear_clear_range(BITSET_WORD *r, int start, int end)
{
while (start <= end) {
unsigned start_mod = start % BITSET_WORDBITS;
unsigned size = MIN2(BITSET_WORDBITS - start_mod, end - start + 1);
unsigned size = MIN2(BITSET_WORDBITS - start_mod, end - start + 1u);
BITSET_CLEAR_RANGE_INSIDE_WORD(r, start, start + size - 1);
BITSET_CLEAR_RANGE_INSIDE_WORD(r, start, start + size - 1u);
start += size;
}
}