linux-2.4.0-test9 gcc-2.97 CVS configured for Athlon binutils-2.9.5.0.22-6 Do I need an updated binutils maybe? as --version GNU assembler 2.9.5 [...] gcc -D__KERNEL__ -I/usr/src/linux-2.4.0-test9/include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2 -march=athlon -fno-strict-aliasing -c -o mmx.o mmx.c {standard input}: Assembler messages: {standard input}:151: Error: bad register name `%%mm0' make[2]: *** [mmx.o] Error 1 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/