diff options
Diffstat (limited to 'mpi/longlong.h')
| -rw-r--r-- | mpi/longlong.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mpi/longlong.h b/mpi/longlong.h index 706ac723..9e94ef30 100644 --- a/mpi/longlong.h +++ b/mpi/longlong.h @@ -565,7 +565,7 @@ extern USItype __udiv_qrnnd (); (count) = __cbtmp ^ 31; \ } while (0) # define count_trailing_zeros(count, x) \ - __asm__ ("bsfl %1,%0" : "=r" (count) : "rm" ((USItype)(x)) __CLOBBER_CC) + __asm__ ("rep;bsfl %1,%0" : "=r" (count) : "rm" ((USItype)(x)) __CLOBBER_CC) # ifndef UMUL_TIME # define UMUL_TIME 40 # endif |