Correct asm_test4.c, it only worked by pure chance on gcc.

[libfirm] / ir / be / test / asm_test4.c

unsigned long get_sp(void)
{
        unsigned long esp;
        __asm__("movl %%esp, %0" : "=mr" (esp));
        return esp;
}

int main(void) {
        printf("stack pointer available: %d\n", get_sp() > 42);
        return 0;
}