Save label "@F" to 64-bit register (r10) instead of 32-bit register (eax) in case label @F is above 4G.  Use "far retq" to load CS and 64-bit rip instead.
Save label "@F" to 64-bit register (r10) instead of 32-bit register (eax) in case label @F is above 4G. 
Use "far retq" to load CS and 64-bit rip instead.

git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@8455 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2