https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92464

            Bug ID: 92464
           Summary: [10 regression] r 278033 breaks
                    gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

This happens on power 7 but things work fine on power 8 and 9.  Does the test
case just need to be adjusted when run on power 7?

Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c
   -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never   -O2 -ftree-vectorize
-fvect-cost-model=dynamic -fno-common -maltivec -fdump-tree-vect-details
-fno-tree-loop-distribute-patterns  -lm  -o ./costmodel-vect-76b.exe   
(timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -ftree-vectorize
-fvect-cost-model=dynamic -fno-common -maltivec -fdump-tree-vect-details
-fno-tree-loop-distribute-patterns -lm -o ./costmodel-vect-76b.exe
PASS: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c (test for excess errors)
Setting LD_LIBRARY_PATH to
:/home/seurer/gcc/build/gcc-test2/gcc::/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./isl/.libs:/home/seurer/gcc/build/gcc-test2/./prev-isl/.libs
Execution timeout is: 300
spawn [open ...]
PASS: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c execution test
Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/ p8vector_hw_available60365.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never  -mpower8-vector  -lm  -o
p8vector_hw_available60365.exe    (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/ p8vector_hw_available60365.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -mpower8-vector -lm -o
p8vector_hw_available60365.exe
Setting LD_LIBRARY_PATH to
:/home/seurer/gcc/build/gcc-test2/gcc::/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./isl/.libs:/home/seurer/gcc/build/gcc-test2/./prev-isl/.libs
Execution timeout is: 300
spawn [open ...]
gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c: pattern found 1 times
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c scan-tree-dump-times vect
"vectorized 1 loops" 0
gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c: pattern found 0 times
FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c scan-tree-dump-times vect
"vectorization not profitable" 1
testcase
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/costmodel/ppc/ppc-costmodel-vect.exp
completed in 1 seconds

                === gcc Summary ===

# of expected passes            2
# of unexpected failures        2

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