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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/111260] New: arm: ice in maybe_legitimize_operand, at
 optabs.cc:8054
Date: Thu, 31 Aug 2023 18:48:34 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111260

            Bug ID: 111260
           Summary: arm: ice in maybe_legitimize_operand, at
                    optabs.cc:8054
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 55827
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55827&action=3Dedit
C source code

For the attached C code, on a raspberry Pi 3, with
compiler flag -O2 and recent gcc, does this:

bug952.c:809:17: internal compiler error: in maybe_legitimize_operand, at
optabs.cc:8054
  809 | static uint32_t  func_16(int8_t * p_17, int64_t  p_18)
      |                 ^~~~~~~
0x8811b3 maybe_legitimize_operand
        ../../trunk/gcc/optabs.cc:8054
0x8811b3 maybe_legitimize_operands(insn_code, unsigned int, unsigned int,
expand_operand*)
        ../../trunk/gcc/optabs.cc:8191
0x87dfa7 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
        ../../trunk/gcc/optabs.cc:8210
0x87ecff maybe_expand_insn(insn_code, unsigned int, expand_operand*)
        ../../trunk/gcc/optabs.cc:8265

The bug first seems to appear sometime between g:bb0da4542df887a5
and g:7c04da768c1fc22e=