[Bug target/107160] New: [13 regression] r13-2641-g0ee1548d96884d causes verification failure in spec2006

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107160

            Bug ID: 107160
           Summary: [13 regression] r13-2641-g0ee1548d96884d  causes
                    verification failure in spec2006
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:0ee1548d96884d2689482054d925967a9a21d697, r13-2641-g0ee1548d96884d 

commit 0ee1548d96884d2689482054d925967a9a21d697
Author: Kewen Lin <linkw@linux.ibm.com>
Date:   Tue Sep 13 04:13:10 2022 -0500

    rs6000: Suggest unroll factor for loop vectorization

This commit is causing a verification error in a spec2006 test.

447.dealII      11440        322      35.5  *   11440       10.6            VE 


Build successes: 447.dealII(base), 447.dealII(peak)

Setting Up Run Directories
  Setting up 447.dealII ref base ppc64 default: created
(run_base_ref_ppc64.0000)
  Setting up 447.dealII ref peak ppc64 default: created
(run_peak_ref_ppc64.0000)
Running Benchmarks
  Running 447.dealII ref base ppc64 default
/home/seurer/gcc/cpu2006/bin/specinvoke -d
/home/seurer/gcc/cpu2006/benchspec/CPU2006/447.dealII/run/run_base_ref_ppc64.0000
-e speccmds.err -o speccmds.stdout -f speccmds.cmd -C -q
/home/seurer/gcc/cpu2006/bin/specinvoke -E -d
/home/seurer/gcc/cpu2006/benchspec/CPU2006/447.dealII/run/run_base_ref_ppc64.0000
-c 1 -e compare.err -o compare.stdout -f compare.cmd

*** Miscompare of grid-1.eps; for details see
   
/home/seurer/gcc/cpu2006/benchspec/CPU2006/447.dealII/run/run_base_ref_ppc64.0000/grid-1.eps.mis
Invalid run; unable to continue.


0004:  %%BoundingBox: 0 0 301 289
       %%BoundingBox: 0 0 301 286
                                ^
0012:  b 30.6779 58.2976 m 68.5015 87.3442 x
       b 121.58 122.428 m 137.988 136.638 x
              ^
0013:  b 68.5015 87.3442 m 106.325 116.391 x
       b 178.42 162.86 m 194.829 177.071 x
              ^
0014:  b 30.6779 58.2976 m 96.5094 10.9581 x
       b 121.58 179.269 m 137.988 193.479 x
              ^
0015:  b 30.6779 58.2976 m 3.86089 130.352 x
       b 137.988 136.638 m 166.408 128.434 x
               ^
0016:  b 30.6779 58.2976 m 57.3515 84.0277 x
       b 137.988 136.638 m 137.988 165.059 x
               ^
0017:  b 57.3515 84.0277 m 118.028 133.945 x
       b 137.988 165.059 m 137.988 193.479 x
               ^
0018:  b 189.158 76.8613 m 181.972 165.917 x
       b 194.829 148.65 m 194.829 177.071 x
               ^
0019:  b 181.972 165.917 m 171.837 160.85 x
       b 137.988 193.479 m 166.408 185.275 x
               ^
0020:  b 171.837 160.85 m 161.703 155.782 x
       b 166.408 185.275 m 194.829 177.071 x
               ^