[Bug middle-end/40291] New: [4.3/4.4/4.5 Regression] ICE on unprototyped memcmp with long long last argument

[jakub at gcc dot gnu dot org]

int
foo (void *x, char *y, unsigned long long z)
{
  return memcmp (x, y, z);
}
ICEs with -m32 -O{,2,3} on i686/x86_64 with:
rh503160.i: In function 'foo':
rh503160.i:5: error: unrecognizable insn:
(insn 10 9 11 3 rh503160.i:4 (parallel [
            (set (reg:SI 65)
                (zero_extend:DI (reg/v:DI 62 [ z ])))
            (clobber (reg:CC 17 flags))
        ]) -1 (nil))
rh503160.i:5: internal compiler error: in extract_insn, at recog.c:2048
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: [4.3/4.4/4.5 Regression] ICE on unprototyped memcmp with
                    long long last argument
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jakub at gcc dot gnu dot org
GCC target triplet: i686-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40291