1/* { dg-do compile } */
2/* { dg-require-effective-target ilp32 } */
3/* { dg-options "-O" } */
4
5typedef unsigned char u8;
6struct __large_struct { unsigned long buf[100]; };
7static inline __attribute__((always_inline)) unsigned long
8__copy_from_user_inatomic(void *to, const void *from, unsigned long n)
9{
10  unsigned long ret = 0;
11  asm volatile("1:	mov""b"" %2,%""b""1\n" "2:\n"
12	       ".section .fixup,\"ax\"\n"
13	       "3:	mov %3,%0\n"
14	       "	xor""b"" %""b""1,%""b""1\n"
15	       "	jmp 2b\n"
16	       ".previous\n"
17	       " .section __ex_table,\"a\"\n"
18	       " " ".balign 4" " " "\n"
19	       " " ".long" " " "1b" "," "3b" "\n"
20	       " .previous\n"
21	       : "=r" (ret), "=q"(*(u8 *)to)
22	       : "m" ((*(struct __large_struct *)(from))), "i" (1), "0" (ret));
23  return ret;
24}
25void romchecksum(const unsigned char *rom, unsigned char c)
26{
27  unsigned char sum;
28  for (sum = 0;
29       !__copy_from_user_inatomic(&(c), ( typeof(c) *)(rom++), sizeof(c));)
30    sum += c;
31}
32