[Bug target/56864] New: [4.9 regression] FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c scan-tree-dump-times vect "vectorized 1 loops" 0

[schwab@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56864

             Bug #: 56864
           Summary: [4.9 regression] FAIL:
                    gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c
                    scan-tree-dump-times vect "vectorized 1 loops" 0
    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 29818
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29818
costmodel-vect-76b.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/costmodel/ppc/costmodel-vect-76b.c
-fno-diagnostics-show-caret -O2 -ftree-vectorize -fvect-cost-model -fno-common
-maltivec -fdump-tree-vect-details -lm -m32 -o ./costmodel-vect-76b.exe
PASS: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.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/powerpc64-linux/./libsanitizer/asan/.libs::/daten/gcc/gcc-20130406/Build/gcc:/daten/gcc/gcc-20130406/Build/gcc/64:/daten/gcc/gcc-20130406/Build/powerpc64-linux/./libsanitizer/asan/.libs:/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/costmodel/ppc/costmodel-vect-76b.c execution test
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c scan-tree-dump-times vect
"vectorized 1 loops" 0
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c scan-tree-dump-times vect
"vectorization not profitable" 1

Only fails for -m32.

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