[Bug rtl-optimization/41646] [4.3/4.4/4.5 Regression] Reload ICE due to combiner extending life time of a hard register

[jakub at gcc dot gnu dot org]

------- Comment #2 from jakub at gcc dot gnu dot org  2009-10-09 15:35 -------
Created an attachment (id=18767)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18767&action=view)
gcc45-pr41646.patch

Patch I'm going to bootstrap/regtest.

cant_combine_insn_p already takes care of not combining in hard registers with
likely spilled classes in the (set (reg) (hardreg)) cases, so it is just when
expand doesn't honor this.


-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |jakub at gcc dot gnu dot org
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41646