diff options
Diffstat (limited to 'lib/system/sets.nim')
| -rw-r--r-- | lib/system/sets.nim | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/system/sets.nim b/lib/system/sets.nim index 103c8d343..97431c296 100644 --- a/lib/system/sets.nim +++ b/lib/system/sets.nim @@ -9,18 +9,20 @@ # set handling -type - NimSet = array[0..4*2048-1, uint8] - -proc cardSet(s: NimSet, len: int): int {.compilerproc, inline.} = +proc cardSetImpl(s: ptr UncheckedArray[uint8], len: int): int {.inline.} = var i = 0 result = 0 + var num = 0'u64 when defined(x86) or defined(amd64): while i < len - 8: - inc(result, countBits64((cast[ptr uint64](s[i].unsafeAddr))[])) + copyMem(addr num, addr s[i], 8) + inc(result, countBits64(num)) inc(i, 8) while i < len: inc(result, countBits32(uint32(s[i]))) inc(i, 1) + +proc cardSet(s: ptr UncheckedArray[uint8], len: int): int {.compilerproc, inline.} = + result = cardSetImpl(s, len) |