On 10/11/14 15:26, Joel Sherrill wrote: > Hi > > With gcc, newlib, and binutils head, arm-rtems and arm-eabi both > die building libgcc2.c for the Thumb. I don't know if this is a recent > gcc change or binutils having added some new error checking. Anyone > got any ideas? > > /users/joel/test-gcc/b-arm-eabi-gcc/./gcc/xgcc > -B/users/joel/test-gcc/b-arm-eabi-gcc/./gcc/ -nostdinc > -B/users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/newlib/ -isystem > /users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/newlib/targ-include > -isystem /users/joel/test-gcc/gcc/newlib/libc/include > -B/users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/libgloss/arm > -L/users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/libgloss/libnosys > -L/users/joel/test-gcc/gcc/libgloss/arm > -B/users/joel/test-gcc/install-head/arm-eabi/bin/ > -B/users/joel/test-gcc/install-head/arm-eabi/lib/ -isystem > /users/joel/test-gcc/install-head/arm-eabi/include -isystem > /users/joel/test-gcc/install-head/arm-eabi/sys-include -g -O2 -mthumb > -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall > -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes > -Wmissing-prototypes -Wold-style-definition -isystem ./include > -fno-inline -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector > -Dinhibit_libc -fno-inline -I. -I. -I../../.././gcc > -I../../../../gcc/libgcc -I../../../../gcc/libgcc/. > -I../../../../gcc/libgcc/../gcc -I../../../../gcc/libgcc/../include > -DHAVE_CC_TLS -o _muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep > -DL_muldi3 -c ../../../../gcc/libgcc/libgcc2.c -fvisibility=hidden > -DHIDE_EXPORTS > /tmp/cc9EfnXy.s: Assembler messages: > /tmp/cc9EfnXy.s:69: Error: MOV Rd, Rs with two low registers is not > permitted on this architecture -- `mov r6,r7' >
This is most likely fallout from the migration of thumb1 assembly to unified syntax. Terry, if this hasn't already been sorted can you take a look? R.
