c++/6972: libgcc2.c GCC 3.1 Cross-compiler Compilation Errors

[jona_hugh_rob at yahoo dot co dot uk]

>Number:         6972
>Category:       c++
>Synopsis:       libgcc2.c GCC 3.1 Cross-compiler Compilation Errors
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jun 08 14:56:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Jonathan H. Roberts
>Release:        gcc-3.1
>Organization:
>Environment:
WindowsXP, Sony VAIO, 650 MHz Celeron, Cygwin Utilities, 
GCC-2.95.3 Native, binutils-2.12 compiled for arm-elf,
$target=arm-elf, $prefix=d:/usr/local/arm
cd d:/usr/local/arm
CC=gcc ../gcc-3.1/configure --target=$target --prefix=$prefix --with-local-prefix=d:/usr/local/arm -v
make
>Description:
After successfully compiling binutils-2.12 for arm-elf in
the same d:/usr/local/arm directory, I attempted to compile
gcc-3.1 for arm-elf target, using above command-line.
Compilation progressed merrily for one hour and 5 minutes, 
when it terminated with the following error message:
../../gcc-3.1/gcc/libgcc2.c: In function '__ffsdi2':
../../gcc-3.1/gcc/libgcc2.c:349:internal error: Arithmetic exception
Please submit a full bug report
..
I then commented out the offending routine and recompiled
but it terminated with the following error message:
../../gcc-3.1/gcc/libgcc2.c: In function '__cmpdi2':
../../gcc-3.1/gcc/libgcc2.c:816:internal error: Arithmetic exception
Please submit a full bug report
..
I then commented out the offending routine and recompiled
but it terminated with the following error message:
../../gcc-3.1/gcc/libgcc2.c: In function '__ucmpdi2':
../../gcc-3.1/gcc/libgcc2.c:837:internal error: Arithmetic exception
Please submit a full bug report
..
I then commented out the offending routine and recompiled
but it terminated with the following error message:
../../gcc-3.1/gcc/libgcc2.c: In function '__absvsi2':
../../gcc-3.1/gcc/libgcc2.c:193: warning: implicit declaration of function 'abort'
../../gcc-3.1/gcc/libgcc2.c:197:internal error: Arithmetic exception
Please submit a full bug report
>How-To-Repeat:
As above..
>Fix:
I tried #undef-ing these routines but it appeared to me that
I perhaps am lacking some arm math header file, but I am not
sure which ones I need.
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
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Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="libgcc2.c"

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