gcc -march=pentium4 -O2  cast.c
cast.c: In function âmainâ:
cast.c:88: error: unrecognizable insn:
(insn 11 10 12 3 cast.c:52 (set (subreg:TI (reg:TD 63) 0)
        (subreg:TI (const_double:TD 0 [0x0] 2.0 [N/A]) 0)) -1 (nil)
    (nil))
cast.c:88: internal compiler error: in extract_insn, at recog.c:2119
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: Many dfp testsuite failures for -msse targets
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ubizjak at gmail dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065