The mov64 pseudo is split into two 32 bit movs, but those 32 bit movs had the full 64-bit register still implicitly defined. VOPD formation is affected, so we can emit more of them.
The mov64 pseudo is split into two 32 bit movs, but those 32 bit movs had the full 64-bit register still implicitly defined. VOPD formation is affected, so we can emit more of them.