1 /* { dg-do run { target { bmi2 && { ! ia32 } } } } */
2 /* { dg-options "-mbmi2 -O2" } */
5 #include "bmi2-check.h"
7 __attribute__((noinline
))
9 calc_bzhi_u64 (unsigned long long a
, int l
)
11 unsigned long long res
= a
;
13 for (i
= 0; i
< 64 - l
; ++i
)
14 res
&= ~(1LL << (63 - i
));
23 unsigned long long src
= 0xce7ace0ce7ace0ff;
24 unsigned long long res
, res_ref
;
26 for (i
= 0; i
< 5; ++i
) {
29 res_ref
= calc_bzhi_u64 (src
, i
* 2);
30 res
= _bzhi_u64 (src
, i
* 2);