[avr-gcc-list] Illegal opcode errors building gcc-4.2.3

[Rick Mann]

I'm getting these errors building gcc-4.2.3:

/Users/rmann/LZRepo/avrbuild/trunk/work-4.2.3/gcc-4.2.3/Darwin/./gcc/ 
xgcc -B/Users/rmann/LZRepo/avrbuild/trunk/work-4.2.3/gcc-4.2.3/ 
Darwin/./gcc/ -B/usr/local/avr-4.2.3/avr/bin/ -B/usr/local/avr-4.2.3/ 
avr/lib/ -isystem /usr/local/avr-4.2.3/avr/include -isystem /usr/local/ 
avr-4.2.3/avr/sys-include -O2  -O2 -g -O2  -DIN_GCC -DCROSS_COMPILE   - 
W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold- 
style-definition  -isystem ./include  -DDF=SF -Dinhibit_libc -mcall- 
prologues -Os -g  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc  
-I. -I. -I../../gcc -I../../gcc/. -I../../gcc/../include -I../../ 
gcc/../libcpp/include  -I../../gcc/../libdecnumber -I../libdecnumber - 
mmcu=avr35 -DL_divmodqi4 -xassembler-with-cpp -c ../../gcc/config/avr/ 
libgcc.S -o libgcc/avr35/_divmodqi4.o
../../gcc/config/avr/libgcc.S: Assembler messages:
../../gcc/config/avr/libgcc.S:280: Error: illegal opcode movw for mcu  
avr3
../../gcc/config/avr/libgcc.S:282: Error: illegal opcode movw for mcu  
avr3



Any ideas? If gcc-4.2.3 is broken for AVR, where can I find which  
versions of GCC do work, or what patches are necessary?

TIA,
--
Rick