/* { dg-options "-O0" } */ | |
/* { dg-do compile } */ | |
static inline __attribute__ ((__always_inline__)) | |
unsigned __clz (unsigned input) | |
{ | |
unsigned output; | |
__asm__ __volatile__ ("clz %0, %1":"=r" (output):"r" (input)); | |
} | |
__attribute__ ((optimize ("O2"))) | |
void foo () | |
{ | |
unsigned a; | |
unsigned b; | |
a = __clz (b); | |
} |