[Bug target/42564] New: ICE on sparc - unrecognizable insn

[debian-gcc at lists dot debian dot org]

seen with current branches and trunk when building libcap-ng on sparc/sparc64.
the file builds without -fPIC or with -O0.

  Matthias

$ gcc-4.4 -c -O2 -fPIC cap-ng.i 
cap-ng.c: In function 'init':
cap-ng.c:154: error: unrecognizable insn:
(insn 18 17 19 4 cap-ng.c:139 (set (reg:SI 117)
        (lo_sum:SI (reg:SI 117)
            (unspec:SI [
                    (symbol_ref:SI ("m") [flags 0x1a] <var_decl 0xf7bafad0 m>)
                ] 0))) -1 (nil))
cap-ng.c:154: internal compiler error: in extract_insn, at recog.c:2048
Please submit a full bug report,
with preprocessed source if appropriate.


-- 
           Summary: ICE on sparc - unrecognizable insn
           Product: gcc
           Version: 4.4.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: debian-gcc at lists dot debian dot org
GCC target triplet: sparc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42564