http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53187
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-05-02
Ever Confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-05-02
09:33:29 UTC ---
This happens during combine, where simplify_set on
(set (reg:CC_NOOV 24 cc)
(compare:CC_NOOV (ior:SI (unlt:SI (reg:CCFPE 24 cc)
(const_int 0 [0]))
(ne:SI (reg:SI 0 r0 [ x ])
(const_int 0 [0])))
(const_int 0 [0])))
calls SELECT_CC_MODE on the arguments of the compare (ior and const0_rtx).