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From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/115303] New: gcc.dg/vect/pr112325.c FAILs
Date: Fri, 31 May 2024 08:41:20 +0000
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X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 15.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115303

            Bug ID: 115303
           Summary: gcc.dg/vect/pr112325.c FAILs
           Product: gcc
           Version: 15.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
                CC: liuhongt at gcc dot gnu.org
  Target Milestone: ---
            Target: sparc*-sun-solaris2.11

The new gcc.dg/vect/pr112325.c test FAILs on 32 and 64-bit Solaris/SPARC:

+FAIL: gcc.dg/vect/pr112325.c -flto -ffat-lto-objects  scan-tree-dump-times
vect "vectorized 1 loops" 1
+FAIL: gcc.dg/vect/pr112325.c scan-tree-dump-times vect "vectorized 1 loops=
" 1

The dump has

/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/pr112325.c:43:27:
missed:   op not supported by target.
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/pr112325.c:44:45:
missed:   not vectorized: relevant stmt not supported: _6 =3D qh.1_5 >> j_6=
8;
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/pr112325.c:43:27:
missed:  bad operation or unsupported loop bound.
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/pr112325.c:43:27: no=
te:=20
***** Analysis  failed with vector mode SI

IIUC the test needs vect_shift.=