2001-11-09  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.h (REG_CLASS_CONTENTS): Add VRSAVE bit to ALL_REGS.
	(CONDITIONAL_REGISTER_USAGE): Disable AltiVec registers unless
	generating altivec code.
	(FIXED_REGISTERS): VRSAVE is fixed.
	(CALL_USED_REGISTERS): VRSAVE is call used.

From-SVN: r46895