1 /* PR target/85593 */
2 /* { dg-do run { target { { i?86-*-linux* x86_64-*-linux* } && lp64 } } } */
3 /* { dg-options "-O2" } */
4
5 __attribute__((naked)) void
bar(void)6 bar (void)
7 {
8 asm ("xorl %eax, %eax\n\t"
9 "xorl %edx, %edx\n\t"
10 "xorl %ecx, %ecx\n\t"
11 "xorl %esi, %esi\n\t"
12 "xorl %edi, %edi\n\t"
13 "xorl %r8d, %r8d\n\t"
14 "xorl %r9d, %r9d\n\t"
15 "xorl %r10d, %r10d\n\t"
16 "xorl %r11d, %r11d\n\t"
17 "ret");
18 }
19
20 int
main()21 main ()
22 {
23 int a = 42;
24 asm ("" : "+r" (a));
25 bar ();
26 asm ("" : "+r" (a));
27 if (a != 42)
28 __builtin_abort ();
29 return 0;
30 }
31