[Bug target/53974] [4.8 Regression] Nearly all tests fail with ADA.CALENDAR.TIME_ERROR : a-calend.adb:603

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53974

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-07-20 15:01:49 UTC ---
> I believe that the definition of HARD_REGNO_MODE_OK on PA prevents 
> partially overlapping
> DImode registers.  See comment comment for HARD_REGNO_MODE_OK .  So, 
> clobbering %R0 can't affect %1.

Sure, just like on SPARC, but DImode arguments can nevertheless be unaligned.