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Remove (direct) call to compiler intrinsic that had different behavior from portable code path

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#46
This commit is contained in:
Eric Frias 2015-06-14 18:53:25 -04:00
parent 488b385e72
commit 7027e8aab3
1 changed files with 1 additions and 5 deletions
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6
libraries/chain/include/graphene/chain/witness_scheduler_rng.hpp
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@ -86,11 +86,7 @@ class hash_ctr_rng
{ {
if( bound <= 1 ) if( bound <= 1 )
return 0; return 0;
#ifdef __GNUC__ uint8_t bitcount = boost::multiprecision::detail::find_msb( bound ) + 1;
uint8_t bitcount( 64 - __builtin_clzll( bound ) );
#else
uint8_t bitcount( 64 - boost::multiprecision::detail::find_msb( bound ) );
#endif
// probability of loop exiting is >= 1/2, so probability of // probability of loop exiting is >= 1/2, so probability of
// running N times is bounded above by (1/2)^N // running N times is bounded above by (1/2)^N