| /* Check that indirect sibcalls understand regparm. */ |
| /* { dg-do run { target i?86-*-* } } */ |
| /* { dg-options "-O2" } */ |
| |
| extern void abort (void); |
| |
| int (*f)(int, int) __attribute__((regparm(2))); |
| int (*g)(int, int, int) __attribute__((regparm(3))); |
| |
| int __attribute__((noinline)) |
| foo(void) |
| { |
| return f(1, 2); |
| } |
| |
| int __attribute__((noinline)) |
| bar(void) |
| { |
| return g(1, 2, 3); |
| } |
| |
| int __attribute__((regparm(2))) |
| f1(int x, int y) |
| { |
| return x*3 + y; |
| } |
| |
| int __attribute__((regparm(3))) |
| g1(int x, int y, int z) |
| { |
| return x*9 + y*3 + z; |
| } |
| |
| int main() |
| { |
| f = f1; |
| g = g1; |
| if (foo() != 1*3 + 2) |
| abort (); |
| if (bar() != 1*9 + 2*3 + 3) |
| abort (); |
| return 0; |
| } |