[Bug target/20020] x86_64 - 128 bit structs not targeted to TImode

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020

--- Comment #33 from H.J. Lu <hjl.tools at gmail dot com> 2012-08-14 23:43:24 
UTC ---
We must make sure that

---
union S160
{
  long double a;
};
extern union S160 check160 (void);
extern void checkx160 (union S160);
void
test160 (void)
{
  checkx160 (check160 ());
}
---

compiles.