2002-06-07 Chris Demetriou <cgd@broadcom.com>

2002-06-07  Chris Demetriou  <cgd@broadcom.com>
            Ed Satterthwaite  <ehs@broadcom.com>

	* cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
	(fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
	* sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
	(fp_nmsub): New prototypes.
	(RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
	(NegMultiplySub): New defines.
	* mips.igen (RSQRT.fmt): Use RSquareRoot().
	(MADD.D, MADD.S): Replace with...
	(MADD.fmt): New instruction.
	(MSUB.D, MSUB.S): Replace with...
	(MSUB.fmt): New instruction.
	(NMADD.D, NMADD.S): Replace with...
	(NMADD.fmt): New instruction.
	(NMSUB.D, MSUB.S): Replace with...
	(NMSUB.fmt): New instruction.