Fix VEX.vvvv for cvtss2sd and cvtsd2ss
Fix VEX.vvvv for cvtss2sd and cvtsd2ss

poizan42/coreclr,cshung/coreclr,botaberg/coreclr,wtgodbe/coreclr,mmitche/coreclr,yizhang82/coreclr,cshung/coreclr,ruben-ayrapetyan/coreclr,botaberg/coreclr,yizhang82/coreclr,ruben-ayrapetyan/coreclr,botaberg/coreclr,mmitche/coreclr,wateret/coreclr,poizan42/coreclr,krk/coreclr,parjong/coreclr,rartemev/coreclr,rartemev/coreclr,rartemev/coreclr,JosephTremoulet/coreclr,wateret/coreclr,rartemev/coreclr,JosephTremoulet/coreclr,ruben-ayrapetyan/coreclr,yizhang82/coreclr,yizhang82/coreclr,poizan42/coreclr,wateret/coreclr,mmitche/coreclr,JosephTremoulet/coreclr,parjong/coreclr,botaberg/coreclr,yizhang82/coreclr,parjong/coreclr,hseok-oh/coreclr,wtgodbe/coreclr,parjong/coreclr,krk/coreclr,mmitche/coreclr,hseok-oh/coreclr,krk/coreclr,krk/coreclr,JosephTremoulet/coreclr,rartemev/coreclr,wtgodbe/coreclr,parjong/coreclr,wtgodbe/coreclr,ruben-ayrapetyan/coreclr,hseok-oh/coreclr,JosephTremoulet/coreclr,hseok-oh/coreclr,mmitche/coreclr,parjong/coreclr,wateret/coreclr,botaberg/coreclr,ruben-ayrapetyan/coreclr,krk/coreclr,ruben-ayrapetyan/coreclr,poizan42/coreclr,cshung/coreclr,cshung/coreclr,wateret/coreclr,JosephTremoulet/coreclr,mmitche/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,yizhang82/coreclr,wateret/coreclr,cshung/coreclr,botaberg/coreclr,cshung/coreclr,rartemev/coreclr,krk/coreclr,hseok-oh/coreclr,poizan42/coreclr,poizan42/coreclr,hseok-oh/coreclr