if index < 0 || index > maxindex {
		c.ctxt.Diag("register element index out of range 0 to %d: %v", maxindex, p)
	}
}

/* checkoffset checks whether the immediate offset is valid for VLD[1-4].P and VST[1-4].P */
func (c *ctxt7) checkoffset(p *obj.Prog, as obj.As) {
	var offset, list, n, expect int64
	switch as {
	case AVLD1, AVLD2, AVLD3, AVLD4, AVLD1R, AVLD2R, AVLD3R, AVLD4R: