| /* { dg-do run } */ | |
| /* { dg-options "-O2 -mlzcnt" } */ | |
| /* { dg-require-effective-target lzcnt } */ | |
| #include "lzcnt-check.h" | |
| int | |
| __attribute__ ((noinline, noclone)) | |
| foo (unsigned short a) | |
| { | |
| return __builtin_clz (a); | |
| } | |
| static void | |
| lzcnt_test () | |
| { | |
| int res = foo (1); | |
| if (res != 31) | |
| abort (); | |
| } |