[Bug middle-end/82987] New: [8 regression] gcc.dg/vect/slp-perm-9.c fail

andrey.y.guskov at intel dot com gcc-bugzilla@gcc.gnu.org
Tue Nov 14 12:39:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82987

            Bug ID: 82987
           Summary: [8 regression] gcc.dg/vect/slp-perm-9.c fail
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: andrey.y.guskov at intel dot com
  Target Milestone: ---

r254592 triggers this:

---
spawn -ignore SIGHUP /work/gcc/xgcc -B/work/gcc/
/source/gcc/testsuite/gcc.dg/vect/slp-perm-9.c
-B/work/x86_64-pc-linux-gnu/./libmpx/
-B/work/x86_64-pc-linux-gnu/./libmpx/mpxrt
-L/work/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs
-B/work/x86_64-pc-linux-gnu/./libmpx/
-B/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap
-L/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs -fno-diagnostics-show-caret
-fdiagnostics-color=never -flto -ffat-lto-objects -msse2 -ftree-vectorize
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -lm -o
./slp-perm-9.exe
PASS: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects (test for excess errors)
PASS: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times
vect "vectorized 0 loops" 2 (found 1 times)
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times
vect "vectorizing stmts using SLP" 0 (found 1 times)

---
spawn -ignore SIGHUP /work/gcc/xgcc -B/work/gcc/
/source/gcc/testsuite/gcc.dg/vect/slp-perm-9.c
-B/work/x86_64-pc-linux-gnu/./libmpx/
-B/work/x86_64-pc-linux-gnu/./libmpx/mpxrt
-L/work/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs
-B/work/x86_64-pc-linux-gnu/./libmpx/
-B/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap
-L/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs -fno-diagnostics-show-caret
-fdiagnostics-color=never -msse2 -ftree-vectorize -fno-vect-cost-model
-fno-common -O2 -fdump-tree-vect-details -lm -o ./slp-perm-9.exe
PASS: gcc.dg/vect/slp-perm-9.c (test for excess errors)
PASS: gcc.dg/vect/slp-perm-9.c execution test
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorized 0 loops" 2
(found 1 times)
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorizing stmts
using SLP" 0 (found 1 times)


Option set:
-with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-shared
--enable-host-shared --enable-clocale=gnu --enable-cloog-backend=isl
--enable-languages=c,c++,fortran,jit,lto -with-arch=haswell --with-cpu=haswell


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