Assember error in arch/mips/kernel/r4k_switch.S / latest git 2.6.16

[Ralf Rösch <ralf.roesch@rw-gmbh.de>]

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Since a few days I have following compiler / assembler problem:
...
  CC      arch/mips/kernel/module.o
  AS      arch/mips/kernel/r4k_fpu.o
  AS      arch/mips/kernel/r4k_switch.o
/pub/build/linux-mips/work-temp/arch/mips/kernel/r4k_switch.S: Assembler 
messages:
/pub/build/linux-mips/work-temp/arch/mips/kernel/r4k_switch.S:73: Error: 
missing ')'
/pub/build/linux-mips/work-temp/arch/mips/kernel/r4k_switch.S:76: Error: 
missing ')'
make[2]: *** [arch/mips/kernel/r4k_switch.o] Fehler 1
make[1]: *** [arch/mips/kernel] Fehler 2
make: *** [vmlinux] Fehler 2

ralf@knoppix:/pub/build/linux-mips/work-temp$ mipsel-linux-as --version
GNU assembler 2.16.1 Debian GNU/Linux
Copyright 2005 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License.  This program has absolutely no warranty.
This assembler was configured for a target of `mipsel-linux'.

What goes wrong?

Thanks and regards
Ralf