I think this type of message can safely be ignored when running a 32 bit virtual machine on vmware workstation 8.0.1 using a Windows 7 x-64 host.
You get a message when powering on the vm saying Long support is disabled on this platform
Screen shot enclosed
AFAIK this simply reminds the user that the 32 bit VM can't execute 64 bit instructions
(This is NOT the same as running a 64 bit GUEST on a 32 bit Host -- quite possible --I've run Windows 7 and W8 64 bit guests on an XP Host machine without problems too).