On 5/14/22 15:03, Huacai Chen wrote: > +1. Arithmetic Operation Instructions:: > + > + ADD.W SUB.W ADDI.W ADD.D SUB.D ADDI.D > + SLT SLTU SLTI SLTUI > + AND OR NOR XOR ANDN ORN ANDI ORI XORI > + MUL.W MULH.W MULH.WU DIV.W DIV.WU MOD.W MOD.WU > + MUL.D MULH.D MULH.DU DIV.D DIV.DU MOD.D MOD.DU > + PCADDI PCADDU12I PCADDU18I > + LU12I.W LU32I.D LU52I.D ADDU16I.D > + > +2. Bit-shift Instructions:: > + > + SLL.W SRL.W SRA.W ROTR.W SLLI.W SRLI.W SRAI.W ROTRI.W > + SLL.D SRL.D SRA.D ROTR.D SLLI.D SRLI.D SRAI.D ROTRI.D > + > +3. Bit-manipulation Instructions:: > + > + EXT.W.B EXT.W.H CLO.W CLO.D SLZ.W CLZ.D CTO.W CTO.D CTZ.W CTZ.D > + BYTEPICK.W BYTEPICK.D BSTRINS.W BSTRINS.D BSTRPICK.W BSTRPICK.D > + REVB.2H REVB.4H REVB.2W REVB.D REVH.2W REVH.D BITREV.4B BITREV.8B BITREV.W BITREV.D > + MASKEQZ MASKNEZ > + > +4. Branch Instructions:: > + > + BEQ BNE BLT BGE BLTU BGEU BEQZ BNEZ B BL JIRL > + > +5. Load/Store Instructions:: > + > + LD.B LD.BU LD.H LD.HU LD.W LD.WU LD.D ST.B ST.H ST.W ST.D > + LDX.B LDX.BU LDX.H LDX.HU LDX.W LDX.WU LDX.D STX.B STX.H STX.W STX.D > + LDPTR.W LDPTR.D STPTR.W STPTR.D > + PRELD PRELDX > + > +6. Atomic Operation Instructions:: > + > + LL.W SC.W LL.D SC.D > + AMSWAP.W AMSWAP.D AMADD.W AMADD.D AMAND.W AMAND.D AMOR.W AMOR.D AMXOR.W AMXOR.D > + AMMAX.W AMMAX.D AMMIN.W AMMIN.D > + > +7. Barrier Instructions:: > + > + IBAR DBAR > + > +8. Special Instructions:: > + > + SYSCALL BREAK CPUCFG NOP IDLE ERTN DBCL RDTIMEL.W RDTIMEH.W RDTIME.D ASRTLE.D ASRTGT.D > + > +9. Privileged Instructions:: > + > + CSRRD CSRWR CSRXCHG > + IOCSRRD.B IOCSRRD.H IOCSRRD.W IOCSRRD.D IOCSRWR.B IOCSRWR.H IOCSRWR.W IOCSRWR.D > + CACOP TLBP(TLBSRCH) TLBRD TLBWR TLBFILL TLBCLR TLBFLUSH INVTLB LDDIR LDPTE > + I haven't addressed this in v9 [1], so I'm discussing it now. I think for grouping similar instructions lower-level list numbering can be used, like: 1. Arithmetic Operation Instructions a. ADD.W... b. SLT... ... Why is literal blocks used instead? [1]: https://lore.kernel.org/linux-doc/Ym47ZAuwEA9as98h@xxxxxxxxx/ -- An old man doll... just what I always wanted! - Clara