CORRECT:
908: vmovaps xmm7,xmmword ptr pt1
000000013F5846D8 C5 F8 28 3D 40 60 00 00 vmovaps xmm7,xmmword ptr [pt1 (013F58A720h)]
WRONG:
909: vmovaps xmm8,pt2
000000013F5846E0 C5 7C 28 05 48 60 00 00 vmovaps ymm8,ymmword ptr [pt2 (013F58A730h)]
910: vmovaps xmm9,pt3
000000013F5846E8 C5 7C 28 0D 50 60 00 00 vmovaps ymm9,ymmword ptr [pt3 (013F58A740h)]
911: vmovaps xmm10,pt4
000000013F5846F0 C5 7C 28 15 58 60 00 00 vmovaps ymm10,ymmword ptr [pt4 (013F58A750h)]
It works IF and only IF you type out XMMWORD PTR.
If you leave that out, it get's it wrong, and it should know from the register what the size is (like it does in 2.13 and before).