[Bug target/19700] New: ICE in final_scan_insn with O1 -g -march=athlon-xp -mfpmath=sse

["Thomas dot Koenig at online dot de" <gcc-bugzilla at gcc dot gnu dot org>]

Compiling LAPACK:

gfortran -O1 -g -march=athlon-xp -mfpmath=sse  -c slanv2.f
slanv2.f: In function 'slanv2':
slanv2.f:202: error: could not split insn
(insn 95 567 566 slanv2.f:78 (parallel [
            (set (reg:SF 21 xmm0)
                (unspec:SF [
                        (reg:SF 26 xmm5 [123])
                        (const_vector:V4SF [
                                (const_double:SF 2147483392 [0x7fffff00] +NaN
[+NaN])
                                (const_double:SF 0 [0x0] 0.0 [0x0.0p+0])
                                (const_double:SF 0 [0x0] 0.0 [0x0.0p+0])
                                (const_double:SF 0 [0x0] 0.0 [0x0.0p+0])
                            ])
                        (reg:SF 22 xmm1)
                        (reg:V4SF 21 xmm0)
                    ] 100))
            (clobber (reg:V4SF 22 xmm1))
        ]) 251 {*copysignsf3} (insn_list:REG_DEP_TRUE 92 (insn_list:REG_DEP_TRUE
93 (insn_list:REG_DEP_TRUE 94 (nil))))
    (expr_list:REG_DEAD (reg:SF 22 xmm1)
        (expr_list:REG_UNUSED (reg:V4SF 22 xmm1)
            (nil))))
slanv2.f:202: internal compiler error: in final_scan_insn, at final.c:2501
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[1]: *** [slanv2.o] Error 1
make[1]: Leaving directory `/home/ig25/LAPACK/SRC'
make: *** [lapacklib] Error 2
$ gfortran -v
Using built-in specs.
Configured with: ../gcc/configure --prefix=/home/ig25 --enable-languages=c,f95
Thread model: posix
gcc version 4.0.0 20050129 (experimental)

-- 
           Summary: ICE in final_scan_insn with O1 -g -march=athlon-xp -
                    mfpmath=sse
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: Thomas dot Koenig at online dot de
                CC: gcc-bugs at gcc dot gnu dot org
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19700