internal error while building egcs-1.1 for i860-intel-osf1

[Alexander Bell <albe at lvs dot informatik dot RWTH-Aachen dot DE>]

I'm trying to build egcs 1.1 (egcs-2.91.57 19980901) on an i860-intel-osf1 host
(Intel Paragon) using gcc 2.7.1. There are no problems building the stage1
compiler. But the stage1 compiler produces the following error:

<------------------------------ cut ------------------------------>
gmake CC="stage1/xgcc -Bstage1/" CFLAGS=" -O2 -g" LDFLAGS="" libdir=/home/albe/egcs/lib STAGE_PREFIX=stage1/ LANGUAGES="c proto gcov  c++ f77 objc"
gmake[1]: Entering directory `/home/albe/src/egcs-paragon/gcc'
stage1/xgcc -Bstage1/  -DIN_GCC    -O2 -g  -DHAVE_CONFIG_H     -I. -I../../egcs-1.1b/gcc -I../../egcs-1.1b/gcc/config \
  -DGCC_INCLUDE_DIR=\"/home/albe/egcs/lib/gcc-lib/i860-intel-osf1/egcs-2.91.57/include\" \
  -DGPLUSPLUS_INCLUDE_DIR=\"/home/albe/egcs/include/g++\" \
  -DOLD_GPLUSPLUS_INCLUDE_DIR=\"/home/albe/egcs/lib/g++-include\" \
  -DLOCAL_INCLUDE_DIR=\"/usr/local/include\" \
  -DCROSS_INCLUDE_DIR=\"/home/albe/egcs/i860-intel-osf1/sys-include\" \
  -DTOOL_INCLUDE_DIR=\"/home/albe/egcs/i860-intel-osf1/include\" \
  -c `echo ../../egcs-1.1b/gcc/cccp.c | sed 's,^\./,,'`
../../egcs-1.1b/gcc/cccp.c: In function `main':
../../egcs-1.1b/gcc/cccp.c:2305: internal error--insn does not satisfy its constraints:
(insn 6188 840 841 (set (reg:SI 60 f28)
        (symbol_ref:SI ("*.LC30"))) 56 {movsi} (nil)
    (nil))
../../egcs-1.1b/gcc/toplev.c:1360: Internal compiler error in function fatal_insn
gmake[1]: *** [cccp.o] Error 1
gmake[1]: Leaving directory `/home/albe/src/egcs-paragon/gcc'
gmake: *** [bootstrap] Error 2
<------------------------------ cut ------------------------------>

version information:

albe@c3po $ stage1/xgcc -v
Using builtin specs.
gcc version egcs-2.91.57 19980901 (egcs-1.1 release)
albe@c3po $ gcc -v
Reading specs from /usr/local/gnu/lib/gcc-lib/i860-intel-osf1/2.7.1/specs
gcc version 2.7.1

any ideas?

cu albe.