Hi, Bagas, On Sun, May 15, 2022 at 8:41 PM Bagas Sanjaya <bagasdotme@xxxxxxxxx> wrote: > > 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? Because the instructions listed are not classified in a group. Thanks. Huacai > > [1]: https://lore.kernel.org/linux-doc/Ym47ZAuwEA9as98h@xxxxxxxxx/ > -- > An old man doll... just what I always wanted! - Clara
