[Bug tree-optimization/55865] New: [4.8 Regression] vect-outer-fir-big-array.c vectorizer failure

[dje at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55865



             Bug #: 55865

           Summary: [4.8 Regression] vect-outer-fir-big-array.c vectorizer

                    failure

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: tree-optimization

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: d...@gcc.gnu.org





After the recent vectorizer changes, vect-outer-fir-big-array.c now fails on

PowerPC.



/nasfarm/dje/src/src/gcc/testsuite/gcc.dg/vect/vect-outer-fir-big-array.c: In

function 'foo':

/nasfarm/dje/src/src/gcc/testsuite/gcc.dg/vect/vect-outer-fir-big-array.c:15:6:

error: missing PHI def

vect_var_.31_56 = PHI <(6), vect_var_.25_58(10)>



/nasfarm/dje/src/src/gcc/testsuite/gcc.dg/vect/vect-outer-fir-big-array.c:15:6:

internal compiler error: verify_gimple failed