[Bug rtl-optimization/48542] mmix code which calls setjmp/longjmp may not work.

[hp at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48542

--- Comment #10 from Hans-Peter Nilsson <hp at gcc dot gnu.org> 2011-06-17 
11:13:42 UTC ---
Author: hp
Date: Fri Jun 17 11:13:38 2011
New Revision: 175139

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175139
Log:
    PR rtl-optimization/48542
    * reload.c (find_equiv_reg): Stop looking when finding a
    setjmp-type call.
    * reload1.c (reload_as_needed): Invalidate all reload
    registers when crossing a setjmp-type call.

Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/reload.c
    branches/gcc-4_6-branch/gcc/reload1.c