* config/s390/2064.md: Change GNU CC to GCC.
	* config/s390/2084.md: Likewise.
	* config/s390/fixdfdi.h: Likewise.
	* config/s390/linux.h: Likewise.
	* config/s390/s390-modes.def: Likewise.
	* config/s390/s390-protos.h: Likewise.
	* config/s390/s390.c: Likewise.
	* config/s390/s390.h: Likewise.
	* config/s390/s390.md: Likewise.
	* config/s390/s390x.h: Likewise.

From-SVN: r68941