Viewing file:  regparm1.C (1.03 KB) -rw-r--r--
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// PR c++/29911 (9381)
// { dg-do run { target i?86-*-* x86_64-*-* } }
// { dg-require-effective-target c++11 }
extern "C" int printf(const char *, ...);
void *save_this;
int *save_addr1, *save_addr2;
int fail;
struct Base
{
__attribute((regparm(3))) void
set(int *addr1, int *addr2)
{
if (this != save_this)
{
++fail;
printf("error! this == %p, should be %p\n", this, save_this);
}
if (addr1 != save_addr1)
{
++fail;
printf("error! addr1 == %p, should be %p\n", addr1, save_addr1);
}
if (addr2 != save_addr2)
{
++fail;
printf("error! addr2 == %p, should be %p\n", addr2, save_addr1);
}
}
};
int main()
{
void (__attribute((regparm(3))) Base::* pfm)(int *, int *) = &Base::set;
__typeof (&Base::set) pfm2 = &Base::set;
decltype (&Base::set) pfm3 = &Base::set;
auto pfm4 = &Base::set;
Base obj; save_this = &obj;
int x, y; save_addr1 = &x; save_addr2 = &y;
(obj.* pfm) (&x, &y);
(obj.* pfm2) (&x, &y);
(obj.* pfm3) (&x, &y);
(obj.* pfm4) (&x, &y);
return fail;
}
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