(Eq16  x y) => (SEQZ (SUB <x.Type> (ZeroExt16to64 x) (ZeroExt16to64 y)))
(Eq8   x y) => (SEQZ (SUB <x.Type> (ZeroExt8to64  x) (ZeroExt8to64  y)))
(Eq(64|32)F ...) => (FEQ(D|S) ...)

(NeqPtr x y) => (Not (EqPtr x y))
(Neq64  x y) => (Not (Eq64  x y))
(Neq32  x y) => (Not (Eq32  x y))
(Neq16  x y) => (Not (Eq16  x y))
(Neq8   x y) => (Not (Eq8   x y))

                Label end = new Label();
                Label notArray = new Label();
                _ALOAD(2);
                _INSTANCEOF(OBJECT_ARRAY_TYPE);
                _IFEQ(notArray);

                // (Object[]) args
                _ALOAD(2);
                _CHECKCAST(OBJECT_ARRAY_TYPE);
                _GOTO(end);

                // new Object[] { args }

		if p.Scond&rmSuffixBit == 0 {
			ins.funct3 = uint32(RM_RTZ)
		} else {
			ins.funct3 = uint32(p.Scond &^ rmSuffixBit)
		}

	case AFNES, AFNED:
		// Replace FNE[SD] with FEQ[SD] and NOT.
		if p.To.Type != obj.TYPE_REG {
			p.Ctxt.Diag("%v needs an integer register output", p)
			return nil
		}
		if ins.as == AFNES {
			ins.as = AFEQS
		} else {
			ins.as = AFEQD