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only do 64bts on x86

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This commit is contained in:
Brent Pedersen 2019-09-11 08:35:44 -06:00
commit 5a520a8454
1 changed files with 4 additions and 3 deletions
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7
lib/system/sets.nim
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@ -31,9 +31,10 @@ proc countBits64(n: uint64): int {.compilerproc, inline.} =
proc cardSet(s: NimSet, len: int): int {.compilerproc, inline.} =
var j = -1
for i in countup(0, len - 8, 8):
inc(result, countBits64((cast[ptr uint64](s[i].unsafeAddr))[]))
j = i + 7
when defined(x86):
for i in countup(0, len - 8, 8):
inc(result, countBits64((cast[ptr uint64](s[i].unsafeAddr))[]))
j = i + 7
for i in (j + 1) ..< len:
inc(result, countBits32(uint32(s[i])))