[Bug c/14343] New: internal error while using vector instructions [gcc 3.4.0 20040225 (prerelease)].

["pluto at ds14 dot agh dot edu dot pl" <gcc-bugzilla at gcc dot gnu dot org>]

# cat test.cc 
int main() 
{ 
    typedef int v __attribute__ ((mode(V2DI))); 
    v a, b; 
    a = b; 
    return 0; 
} 
 
# gcc -Wall -march=pentium4 vti.cc -s -c -S 
works fine. 
(...) 
        movdqa  b, %xmm0 
        movdqa  %xmm0, a 
(...) 
 
# gcc -Wall -march=pentium3 vti.cc -s -c -S 
vti.cc: In function `int main()': 
vti.cc:7: error: unrecognizable insn: 
(insn 25 3 26 0 (set (reg:V2DI 70 [ b ]) 
        (mem/f:V2DI (symbol_ref:SI ("b") [flags 0x2] <var_decl 0x404fa3cc b>) 
[0 b+0 S16 A128])) -1 (nil) 
    (nil)) 
vti.cc:7: internal compiler error: in extract_insn, at recog.c:2083

-- 
           Summary: internal error while using vector instructions [gcc
                    3.4.0 20040225 (prerelease)].
           Product: gcc
           Version: 3.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pluto at ds14 dot agh dot edu dot pl
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: pentium3-pld-linux
  GCC host triplet: pentium3-pld-linux
GCC target triplet: pentium3-pld-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14343