register["FS6"] = riscv.REG_FS6
	register["FS7"] = riscv.REG_FS7
	register["FS8"] = riscv.REG_FS8
	register["FS9"] = riscv.REG_FS9
	register["FS10"] = riscv.REG_FS10
	register["FS11"] = riscv.REG_FS11
	register["FT8"] = riscv.REG_FT8
	register["FT9"] = riscv.REG_FT9
	register["FT10"] = riscv.REG_FT10
	register["FT11"] = riscv.REG_FT11

	// Pseudo-registers.
	register["SB"] = RSB
	register["FP"] = RFP

	MOVF.S	F9, 0xfff0(R4)     // ERROR "invalid .S suffix"
	ADDF.S	F1, F2, F3         // ERROR "invalid .S suffix"
	SUBD.U	F1, F2             // ERROR "invalid .U suffix"
	NEGF.W	F9, F10            // ERROR "invalid .W suffix"
	ABSD.P	F9, F10            // ERROR "invalid .P suffix"
	MOVW.S	FPSR, R0           // ERROR "invalid .S suffix"
	MOVW.P	g, FPSR            // ERROR "invalid .P suffix"

	FADDS	F0, F15                // b30a00f0
	FADD	F1, F14                // b31a00e1
	FSUBS	F2, F13                // b30b00d2
	FSUB	F3, F12                // b31b00c3
	FMULS	F4, F11                // b31700b4
	FMUL	F5, F10                // b31c00a5
	FDIVS	F6, F9                 // b30d0096
	FDIV	F7, F8                 // b31d0087
	FABS	F1, F2                 // b3100021
	FSQRTS	F3, F4                 // b3140043