[Bug middle-end/18520] New: ICE in emit_store_flag, at expmed.c:5081

["micis at gmx dot de" <gcc-bugzilla at gcc dot gnu dot org>]

I tried to compile gsl-1.5 with the actual snapshot of gcc40 and got an ICE 
when I use -ffast-math.

Michael Cieslinski


gcc40 -ffast-math -c infnan.i -o infnan.o -pipe -v
Reading specs from /usr/local/gcc40f/lib/gcc/powerpc-unknown-linux-
gnu/4.0.0/specs
Configured with: ../gcc40/configure --prefix=/usr/local/gcc40f --program-
suffix=40f --with-cpu=G5 --enable-altivec --enable-languages=c,c++ --enable-
checking
Thread model: posix
gcc version 4.0.0 20041114 (experimental)
 /usr/local/gcc40f/libexec/gcc/powerpc-unknown-linux-gnu/4.0.0/cc1 -
fpreprocessed infnan.i -quiet -dumpbase infnan.i -mcpu=G5 -auxbase-strip 
infnan.o -version -ffast-math -fPIC -o - |
 as -mpower4 -maltivec -many -V -Qy -K PIC -o infnan.o -
GNU C version 4.0.0 20041114 (experimental) (powerpc-unknown-linux-gnu)
        compiled by GNU C version 4.0.0 20041114 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU assembler version 2.15.90 (ppc-redhat-linux) using BFD version 2.15.90 
20040225
infnan.c: In function "gsl_isnan":
infnan.c:109: internal compiler error: in emit_store_flag, at expmed.c:5081
Please submit a full bug report, with preprocessed source if appropriate.

-- 
           Summary: ICE in emit_store_flag, at expmed.c:5081
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: micis at gmx dot de
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: powerpc-unknown-linux-gnu
  GCC host triplet: powerpc-unknown-linux-gnu
GCC target triplet: powerpc-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18520