[Bug middle-end/102516] New: [12 regression] pr65947-13.c and vect-alias-check-18.c fail on armeb since r12-3893

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102516

            Bug ID: 102516
           Summary: [12 regression] pr65947-13.c and vect-alias-check-18.c
                    fail on armeb since r12-3893
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: clyon at gcc dot gnu.org
  Target Milestone: ---

Since r12-3893 (g:6390c5047adb75960f86d56582e6322aaa4d9281), I've noticed
regressions on armeb targets:


gcc.dg/vect/pr65947-13.c: pattern found 1 times
FAIL: gcc.dg/vect/pr65947-13.c scan-tree-dump-times vect "LOOP VECTORIZED" 2
gcc.dg/vect/pr65947-13.c -flto -ffat-lto-objects : pattern found 1 times
FAIL: gcc.dg/vect/pr65947-13.c -flto -ffat-lto-objects  scan-tree-dump-times
vect "LOOP VECTORIZED" 2

FAIL: gcc:gcc.dg/vect/vect.exp=gcc.dg/vect/vect-alias-check-18.c -flto
-ffat-lto-objects  scan-tree-dump vect "using an index-based WAR/WAW test"
FAIL: gcc:gcc.dg/vect/vect.exp=gcc.dg/vect/vect-alias-check-18.c scan-tree-dump
vect "using an index-based WAR/WAW test"