1 #include <string> 2 memcpy_noinline(void * dst,void * src,size_t size)3 void __attribute__((noinline)) memcpy_noinline(void *dst, void *src, size_t size) 4 { 5 memcpy(dst,src,size); 6 } 7 memset_noinline(void * dst,int value,size_t size)8 void __attribute__((noinline)) memset_noinline(void *dst, int value, size_t size) 9 { 10 memset(dst, value, size); 11 } 12 sum(volatile void * src,size_t size)13 uint64_t __attribute__((noinline)) sum(volatile void *src, size_t size) 14 { 15 uint64_t *src_ptr = (uint64_t*)src; 16 uint64_t sum = 0; 17 size_t len = size / sizeof(uint64_t); 18 for (size_t i = 0; i < len; i+=1) 19 sum += src_ptr[i]; 20 return sum; 21 } 22