[Bug regression/51097] New: [4.7 Regression] a lot of "FAIL: gcc.dg/vect" on i686 avx build 181167 to 181177

evstupac at gmail dot com gcc-bugzilla@gcc.gnu.org
Fri Nov 11 14:10:00 GMT 2011


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51097

             Bug #: 51097
           Summary: [4.7 Regression] a lot of "FAIL: gcc.dg/vect" on i686
                    avx build 181167 to 181177
    Classification: Unclassified
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: regression
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: evstupac@gmail.com


A lot of vectorization tests failed between 181167 and 181177 revisions.

FAIL: gcc.dg/vect/no-scevccp-outer-7.c scan-tree-dump-times vect
"vect_recog_widen_mult_pattern: detected" 1
FAIL: gcc.dg/vect/no-scevccp-vect-iv-3.c scan-tree-dump-times vect
"vect_recog_widen_sum_pattern: detected" 1
FAIL: gcc.dg/vect/no-section-anchors-vect-31.c scan-tree-dump-times vect
"Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-section-anchors-vect-36.c scan-tree-dump-times vect
"Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/no-section-anchors-vect-64.c scan-tree-dump-times vect
"Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-section-anchors-vect-66.c scan-tree-dump-times vect
"Alignment of access forced using peeling" 1
FAIL: gcc.dg/vect/no-section-anchors-vect-68.c scan-tree-dump-times vect
"Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-section-anchors-vect-69.c scan-tree-dump-times vect
"Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-vfa-vect-depend-1.c scan-tree-dump-times vect "dependence
distance negative" 1
FAIL: gcc.dg/vect/slp-reduc-6.c -flto scan-tree-dump-times vect "different
interleaving chains in one node" 1
FAIL: gcc.dg/vect/slp-reduc-6.c scan-tree-dump-times vect "different
interleaving chains in one node" 1
FAIL: gcc.dg/vect/slp-widen-mult-half.c -flto scan-tree-dump-times vect
"vect_recog_widen_mult_pattern: detected" 2
FAIL: gcc.dg/vect/slp-widen-mult-half.c scan-tree-dump-times vect
"vect_recog_widen_mult_pattern: detected" 2
FAIL: gcc.dg/vect/vect-109.c -flto scan-tree-dump-times vect "Vectorizing an
unaligned access" 3
FAIL: gcc.dg/vect/vect-109.c scan-tree-dump-times vect "Vectorizing an
unaligned access" 3
FAIL: gcc.dg/vect/vect-119.c -flto scan-tree-dump-times vect "Detected
interleaving of size 2" 1
FAIL: gcc.dg/vect/vect-119.c scan-tree-dump-times vect "Detected interleaving
of size 2" 1
FAIL: gcc.dg/vect/vect-33.c -flto scan-tree-dump-times vect "Alignment of
access forced using peeling" 1
FAIL: gcc.dg/vect/vect-33.c scan-tree-dump-times vect "Alignment of access
forced using peeling" 1
FAIL: gcc.dg/vect/vect-35.c -flto scan-tree-dump-times vect "can't determine
dependence between" 1
.....


Configured with: 
--with-arch=corei7-avx --with-cpu=corei7-avx --prefix=/usr/local
--enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld
--enable-cloog-backend=isl --with-ppl=/opt/gnu --with-cloog=/opt/gnu i686-linux
--with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc



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