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


From: Rick Mann
Subject: [avr-gcc-list] Illegal opcode errors building gcc-4.2.3
Date: Fri, 18 Apr 2008 15:02:47 -0700

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





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