[Bug target/56865] New: [4.9 regression] FAIL: gcc.dg/vect/vect-42.c scan-tree-dump-times vect "Vectorizing an unaligned access" 4

[schwab@linux-m68k.org]

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: unassigned@gcc.gnu.org
        ReportedBy: schwab@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