[Bug target/53187] ICE in arm_select_dominance_cc_mode

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53187

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-05-02 09:50:22 UTC ---
Created attachment 27285
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27285
gcc48-pr53187.patch

Untested fix.  If combine puts there (*:SI (reg:CC* cc) (const_int 0)) we
should
probably select the already selected CC mode, then in this case
arm_select_cc_mode will return the CCFPEmode and thus the caller won't try to
optimize it any way.