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| author | Andrew Waterman <andrew@sifive.com> | 2020-10-17 14:51:47 -0700 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2020-10-17 14:51:47 -0700 |
| commit | ca0672bfa9e2da2b373dae538f9cf71c153e272a (patch) | |
| tree | 6edfdc44e196f6db2ec028b4fdb5cf50cdddfaa1 /src/rv32.tex | |
| parent | 041ab35f53ae565b6a19e3aa94c0e9b9d4289f1a (diff) | |
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Update HINT table to indicate PAUSE HINT allocation
Diffstat (limited to 'src/rv32.tex')
| -rw-r--r-- | src/rv32.tex | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/rv32.tex b/src/rv32.tex index a143ef0..bc5d433 100644 --- a/src/rv32.tex +++ b/src/rv32.tex @@ -1418,7 +1418,7 @@ simulation/emulation. \begin{tabular}{|l|l|c|l|} \hline Instruction & Constraints & Code Points & Purpose \\ \hline \hline - LUI & {\em rd}={\tt x0} & $2^{20}$ & \multirow{15}{*}{\em Reserved for future standard use} \\ \cline{1-3} + LUI & {\em rd}={\tt x0} & $2^{20}$ & \multirow{19}{*}{\em Reserved for future standard use} \\ \cline{1-3} AUIPC & {\em rd}={\tt x0} & $2^{20}$ & \\ \cline{1-3} \multirow{2}{*}{ADDI} & {\em rd}={\tt x0}, and either & \multirow{2}{*}{$2^{17}-1$} & \\ & {\em rs1}$\neq${\tt x0} or {\em imm}$\neq$0 & & \\ \cline{1-3} @@ -1433,8 +1433,12 @@ simulation/emulation. SLL & {\em rd}={\tt x0} & $2^{10}$ & \\ \cline{1-3} SRL & {\em rd}={\tt x0} & $2^{10}$ & \\ \cline{1-3} SRA & {\em rd}={\tt x0} & $2^{10}$ & \\ \cline{1-3} - \multirow{2}{*}{FENCE}& {\em fm=0}, and either & \multirow{2}{*}{$2^{5}-1$} & \\ - & {\em pred}=0 or {\em succ}=0 & & \\ \hline \hline + \multirow{2}{*}{FENCE}& {\em fm=0}, & \multirow{2}{*}{15} & \\ + & {\em pred}=0, {\em succ}$\neq$0 & & \\ \cline{1-3} + \multirow{2}{*}{FENCE}& {\em fm=0}, & \multirow{2}{*}{15} & \\ + & {\em pred}$\neq$W, {\em succ}=0 & & \\ \hline + \multirow{2}{*}{FENCE}& {\em fm=0}, & \multirow{2}{*}{1} & \multirow{2}{*}{PAUSE} \\ + & {\em pred}=W, {\em succ}=0 & & \\ \hline \hline SLTI & {\em rd}={\tt x0} & $2^{17}$ & \multirow{7}{*}{\em Designated for custom use} \\ \cline{1-3} SLTIU & {\em rd}={\tt x0} & $2^{17}$ & \\ \cline{1-3} SLLI & {\em rd}={\tt x0} & $2^{10}$ & \\ \cline{1-3} |