INTREG
if ((int)inst.op & INTREG) {
cvtsi2ss = INTREG + 0,
cvttss2si = INTREG + 1,
cvtss2si = INTREG + 2,
cvtsi2ssq = INTREG + 8,
cvttss2siq = INTREG + 9,
cvtss2siq = INTREG + 10,
cvtpi2ps = SIMD + INTREG + 0,
cvttps2pi = SIMD + INTREG + 1,
cvtps2pi = SIMD + INTREG + 2,
cvtsi2sd = DOUBLE + INTREG + 0,
cvttsd2si = DOUBLE + INTREG + 1,
cvtsd2si = DOUBLE + INTREG + 2,
cvtsi2sdq = DOUBLE + INTREG + 8,
cvttsd2siq = DOUBLE + INTREG + 9,
cvtsd2siq = DOUBLE + INTREG + 10,
cvtpi2pd = DOUBLE + SIMD + INTREG + 0,
cvttpd2pi = DOUBLE + SIMD + INTREG + 1,
cvtpd2pi = DOUBLE + SIMD + INTREG + 2,