http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56865



             Bug #: 56865

           Summary: [4.9 regression] FAIL: gcc.dg/vect/vect-42.c

                    scan-tree-dump-times vect "Vectorizing an unaligned

                    access" 4

    Classification: Unclassified

           Product: gcc

           Version: 4.9.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: target

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

        ReportedBy: sch...@linux-m68k.org

            Target: powerpc*-*-*





Created attachment 29819

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29819

vect-42.c.111t.vect



spawn /daten/gcc/gcc-20130406/Build/gcc/xgcc

-B/daten/gcc/gcc-20130406/Build/gcc/

/daten/gcc/gcc-20130406/gcc/testsuite/gcc.dg/vect/vect-42.c

-fno-diagnostics-show-caret -maltivec -ftree-vectorize -fno-vect-cost-model

-fno-common -O2 -fdump-tree-vect-details -lm -m32 -o ./vect-42.exe

PASS: gcc.dg/vect/vect-42.c (test for excess errors)

Setting LD_LIBRARY_PATH to

:/daten/gcc/gcc-20130406/Build/gcc:/daten/gcc/gcc-20130406/Build/gcc/64::/daten/gcc/gcc-20130406/Build/gcc:/daten/gcc/gcc-20130406/Build/gcc/64:/daten/gcc/gcc-20130406/Build/powerpc64-linux/libstdc++-v3/src/.libs:/daten/gcc/gcc-20130406/Build/powerpc64-linux/libmudflap/.libs:/daten/gcc/gcc-20130406/Build/powerpc64-linux/libsanitizer/.libs:/daten/gcc/gcc-20130406/Build/powerpc64-linux/libssp/.libs:/daten/gcc/gcc-20130406/Build/powerpc64-linux/libgomp/.libs:/daten/gcc/gcc-20130406/Build/powerpc64-linux/libitm/.libs:/daten/gcc/gcc-20130406/Build/powerpc64-linux/libatomic/.libs:/daten/gcc/gcc-20130406/Build/./gcc:/daten/gcc/gcc-20130406/Build/./prev-gcc

spawn [open ...]

PASS: gcc.dg/vect/vect-42.c execution test

PASS: gcc.dg/vect/vect-42.c scan-tree-dump-times vect "vectorized 2 loops" 1

FAIL: gcc.dg/vect/vect-42.c scan-tree-dump-times vect "Vectorizing an unaligned

access" 4

FAIL: gcc.dg/vect/vect-42.c scan-tree-dump-times vect "Alignment of access

forced using peeling" 1



Fails for both -m32 and -m64.



Configured with: ../configure --prefix=/usr --build=powerpc64-linux

--enable-checking=release --enable-shared --with-system-zlib

--with-cpu=default32 --with-cpu-64=power4 --enable-secureplt

--with-long-double-128

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