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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/111260] arm: ice in maybe_legitimize_operand, at
 optabs.cc:8054
Date: Fri, 06 Oct 2023 05:04:29 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111260

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Zdenek Sojka from comment #2)
> Different testcase:
> $ cat testcase.c
> long
> bar (long x)
> {
>   x *=3D x =3D=3D 0 / 0;
>   return (x);
> }
>=20
> long
> foo (void)
> {
>   return bar (822920);
> }
>=20
> $ aarch64-unknown-linux-gnu-gcc -O testcase.c=20
> testcase.c: In function 'bar':
> testcase.c:4:15: warning: division by zero [-Wdiv-by-zero]
>     4 |   x *=3D x =3D=3D 0 / 0;
>       |               ^
> during RTL pass: expand
> testcase.c: In function 'foo':
> testcase.c:11:10: internal compiler error: in maybe_legitimize_operand, at
> optabs.cc:8046
>    11 |   return bar (822920);
>       |          ^~~~~~~~~~~~
> 0x7ff794 maybe_legitimize_operand
>         /repo/gcc-trunk/gcc/optabs.cc:8046
> 0x7ff794 maybe_legitimize_operands(insn_code, unsigned int, unsigned int,
> expand_operand*)
>         /repo/gcc-trunk/gcc/optabs.cc:8194
> ...

That is 100% a different bug and should be filed separately.=