[Bug target/69176] New: [6 Regression] ICE in in final_scan_insn, at final.c:2981 on aarch64-linux-gnu

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69176

            Bug ID: 69176
           Summary: [6 Regression] ICE in in final_scan_insn, at
                    final.c:2981 on aarch64-linux-gnu
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

Created attachment 37243
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37243&action=edit
preprocessed source

trunk r232077, aarch64-linux-gnu:

g++ src/faust-dsp-standalone.cpp -g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -fPIC -DVERSI
ON=1.3.0 -I/usr/lib/faust -Isrc/ -Iinclude/ -DPREFIX=/usr -Wall -c -o
src/faust-dsp-standalone.o
In file included from src/faust-dsp-standalone.cpp:31:0:
src/../gen/yc20-dsp-standalone.cpp: In member function 'virtual void
mydsp::compute(int, float**, float**)':
src/../gen/yc20-dsp-standalone.cpp:1659:15: note: variable tracking size limit
exceeded with -fvar-tracking-ass
ignments, retrying without
  virtual void compute (int fullcount, FAUSTFLOAT** input, FAUSTFLOAT** output)
{
               ^~~~~~~

In file included from src/faust-dsp-standalone.cpp:31:0:
src/../gen/yc20-dsp-standalone.cpp:19015:2: error: could not split insn
  }
  ^

(insn 152068 64217 64221 (set (reg:DI 1 x1 [88028])
        (plus:DI (reg/f:DI 29 x29)
            (const_int 129024 [0x1f800])))
src/../gen/yc20-dsp-standalone.cpp:10746 95 {*adddi3_pluslong}
     (nil))
src/../gen/yc20-dsp-standalone.cpp:19015:2: internal compiler error: in
final_scan_insn, at final.c:2981
0xa0e9a7 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        ../../src/gcc/rtl-error.c:108
0x83f67b final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
        ../../src/gcc/final.c:2981
0x83f927 final(rtx_insn*, _IO_FILE*, int)
        ../../src/gcc/final.c:2044
0x83fe8f rest_of_handle_final
        ../../src/gcc/final.c:4440
0x83fe8f execute
        ../../src/gcc/final.c:4515
Please submit a full bug report,
with preprocessed source if appropriate.

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