[Bug target/89400] New: ICE: output_operand: invalid %-code with -march=armv6kz -mthumb -munaligned-access

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89400

            Bug ID: 89400
           Summary: ICE: output_operand: invalid %-code with
                    -march=armv6kz -mthumb -munaligned-access
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: armv7a-softfp-linux-gnueabi

Created attachment 45764
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45764&action=edit
reduced testcase

Compiler output:
$ armv7a-softfp-linux-gnueabi-gcc -march=armv6kz -mthumb -munaligned-access
testcase.c
during RTL pass: final
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: output_operand: invalid %-code
    7 | }
      | ^
0x89f50f output_operand_lossage(char const*, ...)
        /repo/gcc-trunk/gcc/final.c:3610
0x8a0676 output_asm_insn(char const*, rtx_def**)
        /repo/gcc-trunk/gcc/final.c:3979
0x8a16b2 output_asm_insn(char const*, rtx_def**)
        /repo/gcc-trunk/gcc/final.c:3841
0x8a16b2 final_scan_insn_1
        /repo/gcc-trunk/gcc/final.c:3107
0x8a4beb final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
        /repo/gcc-trunk/gcc/final.c:3153
0x8a4d15 final_1
        /repo/gcc-trunk/gcc/final.c:2021
0x8a6234 rest_of_handle_final
        /repo/gcc-trunk/gcc/final.c:4659
0x8a6234 execute
        /repo/gcc-trunk/gcc/final.c:4737
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

$ armv7a-softfp-linux-gnueabi-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-armv7a-softfp/bin/armv7a-softfp-linux-gnueabi-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-269006-checking-yes-rtl-df-extra-armv7a-softfp/bin/../libexec/gcc/armv7a-softfp-linux-gnueabi/9.0.1/lto-wrapper
Target: armv7a-softfp-linux-gnueabi
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 --with-float=softfp --with-arch=armv7-a
--with-sysroot=/usr/armv7a-softfp-linux-gnueabi --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=armv7a-softfp-linux-gnueabi
--with-ld=/usr/bin/armv7a-softfp-linux-gnueabi-ld
--with-as=/usr/bin/armv7a-softfp-linux-gnueabi-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-269006-checking-yes-rtl-df-extra-armv7a-softfp
Thread model: posix
gcc version 9.0.1 20190219 (experimental) (GCC)