register["FS5"] = riscv.REG_FS5
	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