[Bug tree-optimization/49069] [4.6/4.7 Regression] ICE in gen_cstoredi4, at config/arm/arm.md:7554

steven at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Mar 1 18:19:00 GMT 2012


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49069

Steven Bosscher <steven at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
      Known to work|4.7.0                       |4.4.2, 4.5.3
            Summary|ICE in gen_cstoredi4, at    |[4.6/4.7 Regression] ICE in
                   |config/arm/arm.md:7554      |gen_cstoredi4, at
                   |                            |config/arm/arm.md:7554
      Known to fail|                            |4.7.0

--- Comment #6 from Steven Bosscher <steven at gcc dot gnu.org> 2012-03-01 18:18:14 UTC ---
Latent on trunk, but tree-ssa-ter.c has no changes (wow!) between GCC 4.6.3 and
GCC 4.7.0 trunk of today, so the bug is still present on trunk also (but just
harder to trigger).

The test case compiles fine with GCC 4.4.2 and GCC 4.5.3, so this is a
regression.



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