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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/106342] New: [12/13 Regression] internal compiler error:
 in extract_insn, at recog.cc:2791
Date: Mon, 18 Jul 2022 15:32:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106342

            Bug ID: 106342
           Summary: [12/13 Regression] internal compiler error: in
                    extract_insn, at recog.cc:2791
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mpolacek at gcc dot gnu.org
  Target Milestone: ---

Compiling testsuite/gcc.dg/pr104612.c on s390x results in:

# gcc -c pr104612.c -O2
pr104612.c: In function =E2=80=98foo=E2=80=99:
pr104612.c:15:1: error: unrecognizable insn:
   15 | }
      | ^
(insn 9 8 10 2 (set (reg:V2SF 61 [ vect__2.10 ])
        (ior:V2SF (and:V2SF (subreg:V2SF (reg/v:DI 63 [ v ]) 0)
                (reg:V2SF 65))
            (and:V2SF (not:V2SF (reg:V2SF 65))
                (reg:V2SF 64)))) "pr104612.c":12:11 -1
     (nil))
during RTL pass: vregs
pr104612.c:15:1: internal compiler error: in extract_insn, at recog.cc:2791

This works with GCC 11.=