Jit64: fix fmrx regression Revision ddaf29e039d1736be1ca48c1c0b6af1c8d4ec47d introduced a register corruption bug (#6825). Since fmrx/MOVSD only modifies ps0 but we save both ps0 and ps1 in one xmm register, not loading the previous value when binding to a x64 register trashed ps1. But hey, a good opportunity to shave off one more instruction ;)