[Bug testsuite/92126] New: [10 regression] gcc.dg/vect/pr62171.c fails after r276876 on power7

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92126

            Bug ID: 92126
           Summary: [10 regression] gcc.dg/vect/pr62171.c fails after
                    r276876 on power7
           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 appears to be working OK everywhere else, just not on power 7.

Executing on host: /home/seurer/gcc/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test/gcc/
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/vect/pr62171.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never   -maltivec -mvsx
-mno-allow-movmisalign -ftree-vectorize -fno-tree-loop-distribute-patterns
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -S -o pr62171.s  
 (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test/gcc/
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/vect/pr62171.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -maltivec -mvsx
-mno-allow-movmisalign -ftree-vectorize -fno-tree-loop-distribute-patterns
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -S -o pr62171.s
PASS: gcc.dg/vect/pr62171.c (test for excess errors)
PASS: gcc.dg/vect/pr62171.c scan-tree-dump-times vect "vectorized 1 loops" 1
FAIL: gcc.dg/vect/pr62171.c scan-tree-dump-not vect "versioned"
Executing on host: /home/seurer/gcc/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test/gcc/
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/vect/pr62171.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never  -flto -ffat-lto-objects
-maltivec -mvsx -mno-allow-movmisalign -ftree-vectorize
-fno-tree-loop-distribute-patterns -fno-vect-cost-model -fno-common -O2
-fdump-tree-vect-details -S -o pr62171.s    (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test/gcc/
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/vect/pr62171.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -flto -ffat-lto-objects
-maltivec -mvsx -mno-allow-movmisalign -ftree-vectorize
-fno-tree-loop-distribute-patterns -fno-vect-cost-model -fno-common -O2
-fdump-tree-vect-details -S -o pr62171.s
PASS: gcc.dg/vect/pr62171.c -flto -ffat-lto-objects (test for excess errors)
PASS: gcc.dg/vect/pr62171.c -flto -ffat-lto-objects  scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.dg/vect/pr62171.c -flto -ffat-lto-objects  scan-tree-dump-not vect
"versioned"
testcase /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/vect/vect.exp completed
in 2 seconds

                === gcc Summary ===

# of expected passes            4
# of unexpected failures        2