[Bug ipa/93385] [10 Regression] wrong code with u128 modulo at -O2 -fno-dce -fno-ipa-cp -fno-tree-dce

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Jan 22 14:39:00 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93385

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
                 CC|                            |jamborm at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org
          Component|tree-optimization           |ipa

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
-fno-ipa-sra fixes it.  I suspect it falls foul of needing wide-ints for the
constant, punting at transform time only half-way.


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