// license that can be found in the LICENSE file.

TEXT errors(SB),$0
	CSRRC	(X10), CYCLE, X5		// ERROR "integer register or immediate expected for 1st operand"
	CSRRC	X0, TU, X5			// ERROR "unknown CSR"
	CSRRC	X0, CYCLE			// ERROR "missing CSR name"
	CSRRC	X0, CYCLE, (X10)		// ERROR "needs an integer register output"
	CSRRC	$-1, TIME, X15			// ERROR "immediate out of range 0 to 31"
	CSRRCI	$32, TIME, X15			// ERROR "immediate out of range 0 to 31"

					return
				}
				if a[1].Type != obj.TYPE_SPECIAL {
					p.errorf("invalid value for second operand to %s instruction, must be a CSR name", op)
					return
				}
				prog.AddRestSourceArgs([]obj.Addr{a[1]})
				prog.From = a[0]
				prog.To = a[2]
				break
			}
			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])