[Bug tree-optimization/90332] New: New test case gcc.dg/vect/slp-reduc-sad-2.c in r270847 fails

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90332

            Bug ID: 90332
           Summary: New test case gcc.dg/vect/slp-reduc-sad-2.c in r270847
                    fails
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

I am only seeing this on power 9; not sure it is run on other power Xs.

Executing on host: /home3/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/slp-reduc-sad-2.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never   -maltivec -mpower9-vector -ftree-vectorize
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -S -o
slp-reduc-sad-2.s    (timeout = 300)
spawn -ignore SIGHUP /home3/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/slp-reduc-sad-2.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -maltivec -mpower9-vector -ftree-vectorize
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -S -o
slp-reduc-sad-2.s
PASS: gcc.dg/vect/slp-reduc-sad-2.c (test for excess errors)
PASS: gcc.dg/vect/slp-reduc-sad-2.c scan-tree-dump vect
"vect_recog_sad_pattern: detected"
PASS: gcc.dg/vect/slp-reduc-sad-2.c scan-tree-dump vect "vectorizing stmts
using SLP"
FAIL: gcc.dg/vect/slp-reduc-sad-2.c scan-tree-dump-not vect "access with gaps
requires scalar epilogue loop"
PASS: gcc.dg/vect/slp-reduc-sad-2.c scan-tree-dump-times vect "vectorized 1
loops" 1
Executing on host: /home3/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/slp-reduc-sad-2.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -flto -ffat-lto-objects -maltivec -mpower9-vector
-ftree-vectorize -fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details
-S -o slp-reduc-sad-2.s    (timeout = 300)
spawn -ignore SIGHUP /home3/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/slp-reduc-sad-2.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -flto -ffat-lto-objects -maltivec -mpower9-vector
-ftree-vectorize -fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details
-S -o slp-reduc-sad-2.s
PASS: gcc.dg/vect/slp-reduc-sad-2.c -flto -ffat-lto-objects (test for excess
errors)
PASS: gcc.dg/vect/slp-reduc-sad-2.c -flto -ffat-lto-objects  scan-tree-dump
vect "vect_recog_sad_pattern: detected"
PASS: gcc.dg/vect/slp-reduc-sad-2.c -flto -ffat-lto-objects  scan-tree-dump
vect "vectorizing stmts using SLP"
FAIL: gcc.dg/vect/slp-reduc-sad-2.c -flto -ffat-lto-objects  scan-tree-dump-not
vect "access with gaps requires scalar epilogue loop"
PASS: gcc.dg/vect/slp-reduc-sad-2.c -flto -ffat-lto-objects 
scan-tree-dump-times vect "vectorized 1 loops" 1
testcase /home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/vect.exp
completed in 2 seconds

                === gcc Summary ===

# of expected passes            8
# of unexpected failures        2