* pa.h (reg_class): Add FPUPPER_REGS.
        (REG_CLASS_NAMES): Similarly.
        (REG_CLASS_CONTENTS): Similarly
        (REGNO_REG_CLASS): Handle FPUPPER_REGS.
        (FP_REG_CLASS_P): Likewise.
        (REG_CLASS_FROM_LETTER): Similarly.
        (CLASS_MAX_NREGS): Similarly.

From-SVN: r24546