[Bug target/104817] New: mips: ICE with -fzero-call-used-regs=all

[xry111 at mengyan1223 dot wang via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104817

            Bug ID: 104817
           Summary: mips: ICE with -fzero-call-used-regs=all
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: xry111 at mengyan1223 dot wang
  Target Milestone: ---

$ echo 'int t() {}' | /home/xry111/git-repos/gcc-test-mips/gcc/cc1 -nostdinc
-fzero-call-used-regs=all

Analyzing compilation unit
Performing interprocedural optimizations
 <*free_lang_data> {heap 1208k} <visibility> {heap 1208k} <build_ssa_passes>
{heap 1208k} <opt_local_passes> {heap 1208k} <remove_symbols> {heap 1208k}
<targetclone> {heap 1208k} <free-fnsummary> {heap 1208k} <emutls> {heap
1208k}Streaming LTO
 <whole-program> {heap 1208k} <fnsummary> {heap 1208k} <inline> {heap 1208k}
<modref> {heap 1208k} <free-fnsummary> {heap 1208k} <single-use> {heap
1208k}Assembling functions:
 tduring RTL pass: final

<stdin>: In function ‘t’:
<stdin>:1:10: internal compiler error: in mips_output_move, at
config/mips/mips.cc:5323
0x1834ac9 mips_output_move(rtx_def*, rtx_def*)
        ../../gcc/gcc/config/mips/mips.cc:5323
0x1ead799 output_313
        ../../gcc/gcc/config/mips/mips.md:4771
0xe21260 get_insn_template(int, rtx_insn*)
        ../../gcc/gcc/final.cc:2047
0xe234ab final_scan_insn_1
        ../../gcc/gcc/final.cc:2827
0xe23933 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
        ../../gcc/gcc/final.cc:2940
0xe21086 final_1
        ../../gcc/gcc/final.cc:1997
0xe264d5 rest_of_handle_final
        ../../gcc/gcc/final.cc:4285
0xe26834 execute
        ../../gcc/gcc/final.cc:4363
Please submit a full bug report, with preprocessed source (by using
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Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.