\section{CSR Dependency Tracking Granularity}
\label{sec:csr-granularity}

\begin{table}[h!]
  \centering
  \begin{tabular}{|l|l|l|}
    \hline
    Name & Portions Tracked as Independent Units & Aliases  \\
    \hline
    {\tt fflags} & Bits 4, 3, 2, 1, 0 & {\tt fcsr}  \\
    \hline
    {\tt frm} & entire CSR & {\tt fcsr} \\
    \hline
    {\tt fcsr} & Bits 7-5, 4, 3, 2, 1, 0 & {\tt fflags}, {\tt frm} \\
    \hline
  \end{tabular}
  \caption{Granularities at which syntactic dependencies are tracked through CSRs}
\end{table}

Note: read-only CSRs are not listed, as they do not participate in the definition of syntactic dependencies.

\section{Source and Destination Register Listings}
\label{sec:source-dest-regs}

This section provides a concrete listing of the source and destination registers for each instruction.
These listings are used in the definition of syntactic dependencies in Section~\ref{sec:memorymodel:dependencies}.

The term ``accumulating CSR'' is used to describe a CSR that is both a source and a destination register, but which carries a dependency only from itself to itself.

Instructions carry a dependency from each source register in the ``Source Registers'' column to each destination register in the ``Destination Registers'' column, from each source register in the ``Source Registers'' column to each CSR in the ``Accumulating CSRs'' column, and from each CSR in the ``Accumulating CSRs'' column to itself, except where annotated otherwise.

Key:

$^A$Address source register

$^D$Data source register

$^\dagger$The instruction does not carry a dependency from any source register to any destination register

$^\ddagger$The instruction carries dependencies from source register(s) to destination register(s) as specified

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV32I Base Integer Instruction Set} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   LUI &  & {\em rd} &   & \\
   \cline{2-4}
   AUIPC &  & {\em rd} &   & \\
   \cline{2-4}
   JAL &  & {\em rd} &  & \\
   \cline{2-4}
   JALR$^\dagger$ & {\em rs1} & {\em rd} &  & \\
   \cline{2-4}
   BEQ & {\em rs1}, {\em rs2} &  &   & \\
   \cline{2-4}
   BNE & {\em rs1}, {\em rs2} &  &   & \\
   \cline{2-4}
   BLT & {\em rs1}, {\em rs2} &  &   & \\
   \cline{2-4}
   BGE & {\em rs1}, {\em rs2} &  &   & \\
   \cline{2-4}
   BLTU & {\em rs1}, {\em rs2} &  &   & \\
   \cline{2-4}
   BGEU & {\em rs1}, {\em rs2} &  &   & \\
   \cline{2-4}
   LB$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   LH$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   LW$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   LBU$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   LHU$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   SB & {\em rs1}$^A$, {\em rs2}$^D$ &  &   & \\
   \cline{2-4}
   SH & {\em rs1}$^A$, {\em rs2}$^D$ &  &   & \\
   \cline{2-4}
   SW & {\em rs1}$^A$, {\em rs2}$^D$ &  &   & \\
   \cline{2-4}
   ADDI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SLTI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SLTIU & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   XORI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   ORI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   ANDI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SLLI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SRLI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SRAI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   ADD & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SUB & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SLL & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SLT & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SLTU & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   XOR & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SRL & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SRA & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   OR & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   AND & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   FENCE &  &  &   & \\
   \cline{2-4}
   FENCE.I &  &  &   & \\
   \cline{2-4}
   ECALL &  &  &   & \\
   \cline{2-4}
   EBREAK &  &  &   & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV32I Base Integer Instruction Set (continued)} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   CSRRW$^\ddagger$ & {\em rs1}, {\em csr}$^*$ & {\em rd}, {\em csr} & & $^*$unless {\em rd}={\tt x0}  \\
   \cline{2-4}
   CSRRS$^\ddagger$ & {\em rs1}, {\em csr} & {\em rd}$^*$, {\em csr} & & $^*$unless {\em rs1}={\tt x0}  \\
   \cline{2-4}
   CSRRC$^\ddagger$ & {\em rs1}, {\em csr} & {\em rd}$^*$, {\em csr} & & $^*$unless {\em rs1}={\tt x0}  \\
   \cline{2-4}
   \multicolumn{1}{c}{} & \multicolumn{3}{l}{$\ddagger$carries a dependency from {\em rs1} to {\em csr} and from {\em csr} to {\em rd}}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV32I Base Integer Instruction Set (continued)} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
   \cline{2-4}
   CSRRWI$^\ddagger$ & {\em csr}$^*$ & {\em rd}, {\em csr} & & $^*$unless {\em rd}={\tt x0} \\
   \cline{2-4}
   CSRRSI$^\ddagger$ & {\em csr} & {\em rd}, {\em csr}$^*$ & & $^*$unless uimm[4:0]=0  \\
   \cline{2-4}
   CSRRCI$^\ddagger$ & {\em csr} & {\em rd}, {\em csr}$^*$ & & $^*$unless uimm[4:0]=0  \\
   \cline{2-4}
   \multicolumn{1}{c}{} & \multicolumn{3}{l}{$\ddagger$carries a dependency from {\em csr} to {\em rd}}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV64I Base Integer Instruction Set} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   LWU$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   LD$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   SD & {\em rs1}$^A$, {\em rs2}$^D$ &  &   & \\
   \cline{2-4}
   SLLI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SRLI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SRAI & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   ADDIW & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SLLIW & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SRLIW & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   SRAIW & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   ADDW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SUBW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SLLW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SRLW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   SRAW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV32M Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   MUL & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   MULH & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   MULHSU & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   MULHU & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   DIV & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   DIVU & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   REM & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   REMU & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV64M Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   MULW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   DIVW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   DIVUW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   REMW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   REMUW & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV32A Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   LR.W$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   SC.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd}$^*$ & & $^*$if successful  \\
   \cline{2-4}
   AMOSWAP.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOADD.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOXOR.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOAND.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOOR.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMIN.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMAX.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMINU.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMAXU.W$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV64A Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   LR.D$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   SC.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd}$^*$ & & $^*$if successful  \\
   \cline{2-4}
   AMOSWAP.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOADD.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOXOR.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOAND.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOOR.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMIN.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMAX.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMINU.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
   AMOMAXU.D$^\dagger$ & {\em rs1}$^A$, {\em rs2}$^D$ & {\em rd} &   & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV32F Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   FLW$^\dagger$ & {\em rs1}$^A$ & {\em rd} & & \\
   \cline{2-4}
   FSW & {\em rs1}$^A$, {\em rs2}$^D$ &  &   & \\
   \cline{2-4}
   FMADD.S & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111 \\
   \cline{2-4}
   FMSUB.S & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FNMSUB.S & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FNMADD.S & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FADD.S & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FSUB.S & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FMUL.S & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FDIV.S & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, DZ, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FSQRT.S & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FSGNJ.S & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   FSGNJN.S & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   FSGNJX.S & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   FMIN.S & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FMAX.S & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FCVT.W.S & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FCVT.WU.S & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FMV.X.W & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   FEQ.S & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FLT.S & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FLE.S & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FCLASS.S & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   FCVT.S.W & {\em rs1}, frm$^*$ & {\em rd} & NX & $^*$if rm=111  \\
   \cline{2-4}
   FCVT.S.WU & {\em rs1}, frm$^*$ & {\em rd} & NX & $^*$if rm=111  \\
   \cline{2-4}
   FMV.W.X & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV64F Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   FCVT.L.S & {\em rs1} & {\em rd} & NV, NX &   \\
   \cline{2-4}
   FCVT.LU.S & {\em rs1} & {\em rd} & NV, NX &   \\
   \cline{2-4}
   FCVT.S.L & {\em rs1} & {\em rd} & NX &   \\
   \cline{2-4}
   FCVT.S.LU & {\em rs1} & {\em rd} & NX &   \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV32D Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   FLD$^\dagger$ & {\em rs1}$^A$ & {\em rd} &   & \\
   \cline{2-4}
   FSD & {\em rs1}$^A$, {\em rs2}$^D$ &  &   & \\
   \cline{2-4}
   FMADD.D & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FMSUB.D & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FNMSUB.D & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FNMADD.D & {\em rs1}, {\em rs2},  {\em rs3}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FADD.D & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FSUB.D & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FMUL.D & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FDIV.D & {\em rs1}, {\em rs2}, frm$^*$ & {\em rd} & NV, DZ, OF, UF, NX & $^*$if rm=111  \\
   \cline{2-4}
   FSQRT.D & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FSGNJ.D & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   FSGNJN.D & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   FSGNJX.D & {\em rs1}, {\em rs2} & {\em rd} &   & \\
   \cline{2-4}
   FMIN.D & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FMAX.D & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FCVT.S.D & {\em rs1}, frm$^*$ & {\em rd} & NX & $^*$if rm=111  \\
   \cline{2-4}
   FCVT.D.S & {\em rs1}, frm$^*$ & {\em rd} & NX & $^*$if rm=111  \\
   \cline{2-4}
   FEQ.D & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FLT.D & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FLE.D & {\em rs1}, {\em rs2} & {\em rd} & NV &   \\
   \cline{2-4}
   FCLASS.D & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   FCVT.W.D & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FCVT.WU.D & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FCVT.D.W & {\em rs1} & {\em rd} &  & \\
   \cline{2-4}
   FCVT.D.WU & {\em rs1} & {\em rd} &  & \\
   \cline{2-4}
\end{tabular}

\begin{tabular}{p{3cm}|p{3cm}|p{2cm}|p{4cm}|p{4cm}}
  \multicolumn{4}{l}{\bf RV64D Standard Extension} \\
  \cline{2-4}
   & Source    & Destination & Accumulating \\
   & Registers & Registers   & CSRs \\
  \cline{2-4}
   FCVT.L.D & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FCVT.LU.D & {\em rs1}, frm$^*$ & {\em rd} & NV, NX & $^*$if rm=111  \\
   \cline{2-4}
   FMV.X.D & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
   FCVT.D.L & {\em rs1}, frm$^*$ & {\em rd} & NX & $^*$if rm=111  \\
   \cline{2-4}
   FCVT.D.LU & {\em rs1}, frm$^*$ & {\em rd} & NX & $^*$if rm=111  \\
   \cline{2-4}
   FMV.D.X & {\em rs1} & {\em rd} &   & \\
   \cline{2-4}
\end{tabular}
