[Bug target/11717] New: [3.3 regression] [alpha] unrecognizable insn compiling for.c of kernel 2.4.22-pre8

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11717

           Summary: [3.3 regression] [alpha] unrecognizable insn compiling
                    for.c of kernel 2.4.22-pre8
           Product: gcc
           Version: 3.3.1
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: debian-gcc at lists dot debian dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alpha-linux
  GCC host triplet: alpha-linux
GCC target triplet: alpha-linux

[forwarded from http://bugs.debian.org/202762]

seen with 3.3 CVS 20030728, works with 3.2.3 and HEAD CVS 20030722.

trying to compile kernel 2.4.22-pre8 on alpha:

$ gcc -O2 -fno-strict-aliasing -fno-common -fomit-frame-pointer -pipe
-mno-fp-regs -ffixed-8 -mcpu=ev56 -Wa,-mev6 -c fork.i
fork.c: In function `dup_mmap':
fork.c:144: error: unrecognizable insn:
(insn 59 52 61 0 0x20000ce7760 (set (reg/f:DI 82)
        (symbol_ref:DI ("@Smmlist_nr"))) -1 (nil)
    (expr_list:REG_EQUAL (symbol_ref:DI ("@Smmlist_nr"))
            (nil)))
    fork.c:144: internal compiler error: in
    extract_insn, at recog.c:2175
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [fork.o] Error 1