2 and add ✓ ✓ prefetch.i offset(base) Encoding Description The pack instruction packs the low log2(SEW) bits of rs2. Operation X(rd) = EXTS(hi_half @ lo_half); Included in Extension Minimum version Lifecycle state Zbkb (Zbkb-sc) v1.0.0-rc4 Ratified 31.4.18. packh 31.4.19. packw 31.4.20. rev8 Synopsis Byte-reverse register Mnemonic rev8 rd, rs Sign-extend byte ✓ ✓ bexti rd, rs1, rs2 Rotate
ignorant