Adds the evex instructions vunpcklps, vunpcklpd, vunpckhps, vunpckhpd, vcvtss2si, vcvtsd2si, vcvtsi2ss, vcvtsi2sd, vcvttss2si, vcvttsd2si, vmovntps, vmovntpd, vcomiss, vcomisd, vucomiss, vucomisd.
Adds to decoding support of evex type 'H' and type 'L'.
Adds tests for above.
Issue: #1312