[Bug target/21101] New: ICE: could not find a spill register on MMX intrinsics

["jochang at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

ICE on gcc 4.0.0rc2, but both 3.3.5 and 3.4.3 work.

$ /usr/local/gcc-4.0/bin/g++ -c -O2 -funroll-loops -march=pentium4 3.cpp
3.cpp: In function 'void f()':
3.cpp:29: error: could not find a spill register
(insn:HI 95 94 96 0 (set (reg:V4HI 29 mm0 [orig:115 D.2920 ] [115])
        (vec_duplicate:V4HI (truncate:HI (subreg:SI (reg:HI 111 [ B ]) 0)))) 817
{*vec_dupv4hi} (insn_list:REG_DEP_TRUE 88 (nil))
    (expr_list:REG_DEAD (reg:HI 111 [ B ])
        (nil)))
3.cpp:29: internal compiler error: in failed_reload, at reload1.c:4982

-- 
           Summary: ICE: could not find a spill register on MMX intrinsics
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jochang at gmail dot com
                CC: gcc-bugs at gcc dot gnu dot org
 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=21101