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From: "linkw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/103623] [12 Regression] error: unable to generate
 reloads (ICE in curr_insn_transform, at lra-constraints.c:4132), or error:
 insn does not satisfy its constraints (ICE in extract_constrain_insn_cached,
 at recog.c:2682)
Date: Mon, 27 Dec 2021 02:27:26 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103623

--- Comment #15 from Kewen Lin <linkw at gcc dot gnu.org> ---
>=20
> I tried it on a x86_64 cfarm machine:
>=20
> /home/linkw/gcc/gcc-test/configure --host=3Dx86_64-pc-linux-gnu
> --target=3Dpowerpc-e300c3-linux-gnu --build=3Dx86_64-pc-linux-gnu
> --prefix=3D/home/linkw/gcc/install/gcc-test-debug
> --enable-languages=3Dc,c++,fortran --enable-obsolete --disable-werror
> --with-system-zlib --disable-nls --disable-libunwind-exceptions
> --enable-checking=3Dyes --disable-esp --enable-libstdcxx-time
> --disable-libstdcxx-pch --enable-poison-system-directories
> --with-sysroot=3D/usr/powerpc-e300c3-linux-gnu --disable-bootstrap
> --enable-__cxa_atexit --enable-clocale=3Dgnu --disable-multilib
> --disable-fixed-point --enable-targets=3Dall --enable-libgomp --disable-l=
ibssp
> --disable-libada --disable-cet --disable-systemtap --disable-vtable-verify
> --disable-libvtv --without-zstd --enable-lto --disable-libsanitizer
> --enable-default-pie --enable-default-ssp
>=20

Forgot to note that this configuration on x86_64 can't reproduce it either.=