[Bug target/110372] New: [14 Regression] ICE: insn does not satisfy its constraints: {*movdi_internal} with -mno-sse2

["zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110372

            Bug ID: 110372
           Summary: [14 Regression] ICE: insn does not satisfy its
                    constraints: {*movdi_internal} with -mno-sse2
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---

Created attachment 55389
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55389&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -mno-sse2 testcase.c
testcase.c: In function 'foo0':
testcase.c:11:1: error: insn does not satisfy its constraints:
   11 | }
      | ^
(insn 36 3 41 2 (set (reg:DI 0 ax [123])
        (reg:DI 20 xmm0 [orig:98 u ] [98])) "testcase.c":9:14 90
{*movdi_internal}
     (nil))
during RTL pass: reload
testcase.c:11:1: internal compiler error: in extract_constrain_insn, at
recog.cc:2692
0x7cc337 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        /repo/gcc-trunk/gcc/rtl-error.cc:108
0x7cc3be _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
        /repo/gcc-trunk/gcc/rtl-error.cc:118
0x7bcc54 extract_constrain_insn(rtx_insn*)
        /repo/gcc-trunk/gcc/recog.cc:2692
0x12476b4 check_rtl
        /repo/gcc-trunk/gcc/lra.cc:2147
0x124be5b lra(_IO_FILE*)
        /repo/gcc-trunk/gcc/lra.cc:2565
0x11fb609 do_reload
        /repo/gcc-trunk/gcc/ira.cc:5967
0x11fb609 execute
        /repo/gcc-trunk/gcc/ira.cc:6153
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-2031-20230622101115-g2ac41866270-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-2031-20230622101115-g2ac41866270-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20230622 (experimental) (GCC)