+++ /dev/null
-/* { dg-do run { target i?86-*-linux* } } */
-/* { dg-options "-O2 -fomit-frame-pointer" } */
-
-extern void abort (void);
-extern void exit (int);
-
-struct s {
- struct { int a; } a;
- int b;
- struct { struct { int a; } a; struct t { struct t *a, *b; } b; } c;
-};
-
-int bar(int (*fn)(void *), void *arg, unsigned long flags)
-{
- return 0;
-}
-
-int baz(void *x)
-{
- return 0;
-}
-
-void do_check (struct s *) asm ("do_check") __attribute__((regparm(1)));
-
-void do_check(struct s *x)
-{
- if (x->a.a || x->b || x->c.a.a)
- abort();
- if (x->c.b.a != &x->c.b || x->c.b.b != &x->c.b)
- abort();
-}
-
-#define NT "\n\t"
-
-asm ("\n"
-"___checkme:"
-NT "pushl %eax; pushl %ebx; pushl %ecx; pushl %edx; pushl %esi; pushl %edi"
-
-NT "pushl $0; pushl $0; pushl $0; pushl $0; pushl $0"
-NT "pushl $0; pushl $0; pushl $0; pushl $0; pushl $0"
-
-NT "movl %ecx, %eax"
-NT "call do_check"
-
-NT "popl %eax; popl %eax; popl %eax; popl %eax; popl %eax"
-NT "popl %eax; popl %eax; popl %eax; popl %eax; popl %eax"
-
-NT "popl %edi; popl %esi; popl %edx; popl %ecx; popl %ebx; popl %eax"
-NT "ret"
-);
-
-extern inline void do_asm(struct s * x)
-{
- asm volatile("call ___checkme" : : "c" (x) : "memory");
-}
-
-int foo(void)
-{
- struct s x = { { 0 }, 0, { { 0 }, { &x.c.b, &x.c.b } } };
- bar(baz, &x, 1);
- do_asm(&x);
- bar(baz, &x, 1);
- do_asm(&x);
- return 0;
-}
-
-int main()
-{
- foo();
- exit(0);
-}