# RV128Q additions to RV64Q fmv.x.q rd rs1 24..20=0 31..27=0x1C 14..12=0 26..25=3 6..2=0x14 1..0=3 fmv.q.x rd rs1 24..20=0 31..27=0x1E 14..12=0 26..25=3 6..2=0x14 1..0=3