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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/115304] New: gcc.dg/vect/slp-gap-1.c FAILs
Date: Fri, 31 May 2024 08:45:38 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115304

            Bug ID: 115304
           Summary: gcc.dg/vect/slp-gap-1.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: rguenth at gcc dot gnu.org
  Target Milestone: ---
            Target: sparc*-sun-solaris2.11

The new gcc.dg/vect/slp-gap-1.c test FAILs on 32 and 64-bit Solaris/SPARC:

+FAIL: gcc.dg/vect/slp-gap-1.c -flto -ffat-lto-objects  scan-tree-dump-times
vect "{_[0-9]+, 0" 6
+FAIL: gcc.dg/vect/slp-gap-1.c scan-tree-dump-times vect "{_[0-9]+, 0" 6

The dump has

/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21: no=
te:=20
 =3D=3D> examining statement: _34 =3D *pix1_72;
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21:
missed:   unsupported vect permute { 0 1 2 3 8 9 10 11 }
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21:
missed:   unsupported load permutation
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:9:29:
missed:   not vectorized: relevant stmt not supported: _34 =3D *pix1_72;

/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21: no=
te:=20
 =3D=3D> examining statement: _34 =3D *pix1_72;
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21:
missed:   no array mode for V8QI[16]
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21:
missed:   no array mode for V8QI[16]=20
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21:
missed:   extract even/odd not supported by target
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:7:21:
missed:   not falling back to elementwise accesses
/vol/gcc/src/hg/master/local/gcc/testsuite/gcc.dg/vect/slp-gap-1.c:9:29:
missed:   not vectorized: relevant stmt not supported: _34 =3D *pix1_72;

IIUC the test needs both vect_perm and vect_extract_even_odd.=