Instructions

Instructions are syntactically distinguished into plain and structured instructions.

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-instr}{\mathtt{instr}}_I &::=& \mathit{in}{:}\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &\Rightarrow& \mathit{in} \\ &&|& \mathit{in}{:}\href{../text/instructions.html#text-blockinstr}{\mathtt{blockinstr}}_I &\Rightarrow& \mathit{in} \\ \end{array}\end{split}\]

In addition, as a syntactic abbreviation, instructions can be written as S-expressions in folded form, to group them visually.

Labels

Structured control instructions can be annotated with a symbolic label identifier. They are the only symbolic identifiers that can be bound locally in an instruction sequence. The following grammar handles the corresponding update to the identifier context by composing the context with an additional label entry.

\[\begin{split}\begin{array}{llcllll} \def\mathdef2886#1{{}}\mathdef2886{label} & \href{../text/instructions.html#text-label}{\mathtt{label}}_I &::=& v{:}\href{../text/values.html#text-id}{\mathtt{id}} &\Rightarrow& \{\href{../text/conventions.html#text-context}{\mathsf{labels}}~v\} \href{../syntax/conventions.html#notation-compose}{\oplus} I & (\mathrel{\mbox{if}} v \notin I.\href{../text/conventions.html#text-context}{\mathsf{labels}}) \\ &&|& v{:}\href{../text/values.html#text-id}{\mathtt{id}} &\Rightarrow& \{\href{../text/conventions.html#text-context}{\mathsf{labels}}~v\} \href{../syntax/conventions.html#notation-compose}{\oplus} (I \href{../syntax/conventions.html#notation-replace}{\mathrel{\mbox{with}}} \href{../text/conventions.html#text-context}{\mathsf{labels}}[i] = \epsilon) & (\mathrel{\mbox{if}} I.\href{../text/conventions.html#text-context}{\mathsf{labels}}[i] = v) \\ &&|& \epsilon &\Rightarrow& \{\href{../text/conventions.html#text-context}{\mathsf{labels}}~(\epsilon)\} \href{../syntax/conventions.html#notation-compose}{\oplus} I \\ \end{array}\end{split}\]

Note

The new label entry is inserted at the beginning of the label list in the identifier context. This effectively shifts all existing labels up by one, mirroring the fact that control instructions are indexed relatively not absolutely.

If a label with the same name already exists, then it is shadowed and the earlier label becomes inaccessible.

Control Instructions

Structured control instructions can bind an optional symbolic label identifier. The same label identifier may optionally be repeated after the corresponding \(\mathtt{end}\) and \(\mathtt{else}\) pseudo instructions, to indicate the matching delimiters.

Their block type is given as a type use, analogous to the type of functions. However, the special case of a type use that is syntactically empty or consists of only a single result is not regarded as an abbreviation for an inline function type, but is parsed directly into an optional value type.

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{block type} & \href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}_I & \begin{array}[t]{@{}c@{}} ::= \\ | \\ \end{array} & \begin{array}[t]{@{}lcll@{}} (t{:}\href{../text/types.html#text-functype}{\mathtt{result}}_I)^? &\Rightarrow& t^? \\ x,I'{:}\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}}_I &\Rightarrow& x & (\mathrel{\mbox{if}} I' = \{\href{../text/conventions.html#text-context}{\mathsf{locals}}~(\epsilon)^\ast\}) \\ \end{array} \\ \def\mathdef2886#1{{}}\mathdef2886{block instruction} & \href{../text/instructions.html#text-blockinstr}{\mathtt{blockinstr}}_I &::=& \def\mathdef2925#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2925{block}~~I'{:}\href{../text/instructions.html#text-label}{\mathtt{label}}_I~~\mathit{bt}{:}\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}_I~~(\mathit{in}{:}\href{../text/instructions.html#text-instr}{\mathtt{instr}}_{I'})^\ast~~\def\mathdef2926#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2926{end}~~\href{../text/values.html#text-id}{\mathtt{id}}^? \\ &&&\qquad \Rightarrow\quad \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{block}}~\mathit{bt}~\mathit{in}^\ast~\href{../syntax/instructions.html#syntax-instr-control}{\mathsf{end}} \qquad\quad~~ (\mathrel{\mbox{if}} \href{../text/values.html#text-id}{\mathtt{id}}^? = \epsilon \vee \href{../text/values.html#text-id}{\mathtt{id}}^? = \href{../text/instructions.html#text-label}{\mathtt{label}}) \\ &&|& \def\mathdef2927#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2927{loop}~~I'{:}\href{../text/instructions.html#text-label}{\mathtt{label}}_I~~\mathit{bt}{:}\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}_I~~(\mathit{in}{:}\href{../text/instructions.html#text-instr}{\mathtt{instr}}_{I'})^\ast~~\def\mathdef2928#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2928{end}~~\href{../text/values.html#text-id}{\mathtt{id}}^? \\ &&&\qquad \Rightarrow\quad \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{loop}}~\mathit{bt}~\mathit{in}^\ast~\href{../syntax/instructions.html#syntax-instr-control}{\mathsf{end}} \qquad\qquad (\mathrel{\mbox{if}} \href{../text/values.html#text-id}{\mathtt{id}}^? = \epsilon \vee \href{../text/values.html#text-id}{\mathtt{id}}^? = \href{../text/instructions.html#text-label}{\mathtt{label}}) \\ &&|& \def\mathdef2929#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2929{if}~~I'{:}\href{../text/instructions.html#text-label}{\mathtt{label}}_I~~\mathit{bt}{:}\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}_I~~(\mathit{in}_1{:}\href{../text/instructions.html#text-instr}{\mathtt{instr}}_{I'})^\ast~~ \def\mathdef2930#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2930{else}~~\href{../text/values.html#text-id}{\mathtt{id}}_1^?~~(\mathit{in}_2{:}\href{../text/instructions.html#text-instr}{\mathtt{instr}}_{I'})^\ast~~\def\mathdef2931#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2931{end}~~\href{../text/values.html#text-id}{\mathtt{id}}_2^? \\ &&&\qquad \Rightarrow\quad \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{if}}~\mathit{bt}~\mathit{in}_1^\ast~\href{../syntax/instructions.html#syntax-instr-control}{\mathsf{else}}~\mathit{in}_2^\ast~\href{../syntax/instructions.html#syntax-instr-control}{\mathsf{end}} \qquad (\mathrel{\mbox{if}} \href{../text/values.html#text-id}{\mathtt{id}}_1^? = \epsilon \vee \href{../text/values.html#text-id}{\mathtt{id}}_1^? = \href{../text/instructions.html#text-label}{\mathtt{label}}, \href{../text/values.html#text-id}{\mathtt{id}}_2^? = \epsilon \vee \href{../text/values.html#text-id}{\mathtt{id}}_2^? = \href{../text/instructions.html#text-label}{\mathtt{label}}) \\ \end{array}\end{split}\]

Note

The side condition stating that the identifier context \(I'\) must only contain unnamed entries in the rule for \(\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}}\) block types enforces that no identifier can be bound in any \(\href{../text/types.html#text-functype}{\mathtt{param}}\) declaration for a block type.

All other control instruction are represented verbatim.

\[\begin{split}\begin{array}{llcllll} \def\mathdef2886#1{{}}\mathdef2886{plain instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \def\mathdef2932#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2932{unreachable} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{unreachable}} \\ &&|& \def\mathdef2933#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2933{nop} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{nop}} \\ &&|& \def\mathdef2934#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2934{br}~~l{:}\href{../text/modules.html#text-labelidx}{\mathtt{labelidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{br}}~l \\ &&|& \def\mathdef2935#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2935{br\_if}~~l{:}\href{../text/modules.html#text-labelidx}{\mathtt{labelidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{br\_if}}~l \\ &&|& \def\mathdef2936#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2936{br\_table}~~l^\ast{:}\href{../text/conventions.html#text-vec}{\mathtt{vec}}(\href{../text/modules.html#text-labelidx}{\mathtt{labelidx}}_I)~~l_N{:}\href{../text/modules.html#text-labelidx}{\mathtt{labelidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{br\_table}}~l^\ast~l_N \\ &&|& \def\mathdef2937#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2937{br\_on\_null}~~l{:}\href{../text/modules.html#text-labelidx}{\mathtt{labelidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{br\_on\_null}}~l \\ &&|& \def\mathdef2938#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2938{br\_on\_non\_null}~~l{:}\href{../text/modules.html#text-labelidx}{\mathtt{labelidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{br\_on\_non\_null}}~l \\ &&|& \def\mathdef2939#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2939{return} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{return}} \\ &&|& \def\mathdef2940#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2940{call}~~x{:}\href{../text/modules.html#text-funcidx}{\mathtt{funcidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{call}}~x \\ &&|& \def\mathdef2941#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2941{call\_ref}~~x{:}\href{../text/modules.html#text-typeidx}{\mathtt{typeidx}} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{call\_ref}}~x \\ &&|& \def\mathdef2942#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2942{call\_indirect}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}~~y,I'{:}\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{call\_indirect}}~x~y & (\mathrel{\mbox{if}} I' = \{\href{../text/conventions.html#text-context}{\mathsf{locals}}~(\epsilon)^\ast\}) \\&&|& \def\mathdef2943#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2943{return\_call}~~x{:}\href{../text/modules.html#text-funcidx}{\mathtt{funcidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{return\_call}}~x \\ &&|& \def\mathdef2944#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2944{return\_call\_ref}~~x{:}\href{../text/modules.html#text-typeidx}{\mathtt{typeidx}} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{return\_call\_ref}}~x \\ &&|& \def\mathdef2945#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2945{return\_call\_indirect}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}~~y,I'{:}\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-control}{\mathsf{return\_call\_indirect}}~x~y & (\mathrel{\mbox{if}} I' = \{\href{../text/conventions.html#text-context}{\mathsf{locals}}~(\epsilon)^\ast\}) \\ \end{array}\end{split}\]

Note

The side condition stating that the identifier context \(I'\) must only contain unnamed entries in the rule for \(\href{../syntax/instructions.html#syntax-instr-control}{\mathsf{call\_indirect}}\) enforces that no identifier can be bound in any \(\href{../text/types.html#text-functype}{\mathtt{param}}\) declaration appearing in the type annotation.

Abbreviations

The \(\def\mathdef2946#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2946{else}\) keyword of an \(\def\mathdef2947#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2947{if}\) instruction can be omitted if the following instruction sequence is empty.

\[\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{block instruction} & \def\mathdef2948#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2948{if}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}_I~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}^\ast~~\def\mathdef2949#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2949{end} &\equiv& \def\mathdef2950#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2950{if}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}_I~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}^\ast~~\def\mathdef2951#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2951{else}~~\def\mathdef2952#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2952{end} \end{array}\]

Also, for backwards compatibility, the table index to \(\def\mathdef2953#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2953{call\_indirect}\) and \(\def\mathdef2954#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2954{return\_call\_indirect}\) can be omitted, defaulting to \(0\).

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{plain instruction} & \def\mathdef2955#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2955{call\_indirect}~~\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}} &\equiv& \def\mathdef2956#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2956{call\_indirect}~~0~~\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}} \\ \def\mathdef2957#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2957{return\_call\_indirect}~~\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}} &\equiv& \def\mathdef2958#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2958{return\_call\_indirect}~~0~~\href{../text/modules.html#text-typeuse}{\mathtt{typeuse}} \\ \end{array}\end{split}\]

Reference Instructions

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \dots \\ &&|& \def\mathdef2959#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2959{ref.null}~~t{:}\href{../text/types.html#text-heaptype}{\mathtt{heaptype}} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-ref}{\mathsf{ref.null}}~t \\ &&|& \def\mathdef2960#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2960{ref.func}~~x{:}\href{../text/modules.html#text-funcidx}{\mathtt{funcidx}} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-ref}{\mathsf{ref.func}}~x \\ &&|& \def\mathdef2961#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2961{ref.is\_null} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-ref}{\mathsf{ref.is\_null}} \\ &&|& \def\mathdef2962#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2962{ref.as\_non\_null} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-ref}{\mathsf{ref.as\_non\_null}} \\ \end{array}\end{split}\]

Parametric Instructions

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \dots \\ &&|& \def\mathdef2963#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2963{drop} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-parametric}{\mathsf{drop}} \\ &&|& \def\mathdef2964#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2964{select}~((t{:}\href{../text/types.html#text-functype}{\mathtt{result}}_I)^\ast)^? &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-parametric}{\mathsf{select}}~(t^\ast)^? \\ \end{array}\end{split}\]

Variable Instructions

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \dots \\ &&|& \def\mathdef2965#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2965{local.get}~~x{:}\href{../text/modules.html#text-localidx}{\mathtt{localidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-variable}{\mathsf{local.get}}~x \\ &&|& \def\mathdef2966#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2966{local.set}~~x{:}\href{../text/modules.html#text-localidx}{\mathtt{localidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-variable}{\mathsf{local.set}}~x \\ &&|& \def\mathdef2967#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2967{local.tee}~~x{:}\href{../text/modules.html#text-localidx}{\mathtt{localidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-variable}{\mathsf{local.tee}}~x \\ &&|& \def\mathdef2968#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2968{global.get}~~x{:}\href{../text/modules.html#text-globalidx}{\mathtt{globalidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-variable}{\mathsf{global.get}}~x \\ &&|& \def\mathdef2969#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2969{global.set}~~x{:}\href{../text/modules.html#text-globalidx}{\mathtt{globalidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-variable}{\mathsf{global.set}}~x \\ \end{array}\end{split}\]

Table Instructions

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \dots \\ &&|& \def\mathdef2970#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2970{table.get}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{table.get}}~x \\ &&|& \def\mathdef2971#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2971{table.set}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{table.set}}~x \\ &&|& \def\mathdef2972#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2972{table.size}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{table.size}}~x \\ &&|& \def\mathdef2973#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2973{table.grow}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{table.grow}}~x \\ &&|& \def\mathdef2974#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2974{table.fill}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{table.fill}}~x \\ &&|& \def\mathdef2975#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2975{table.copy}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I~~y{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{table.copy}}~x~y \\ &&|& \def\mathdef2976#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2976{table.init}~~x{:}\href{../text/modules.html#text-tableidx}{\mathtt{tableidx}}_I~~y{:}\href{../text/modules.html#text-elemidx}{\mathtt{elemidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{table.init}}~x~y \\ &&|& \def\mathdef2977#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2977{elem.drop}~~x{:}\href{../text/modules.html#text-elemidx}{\mathtt{elemidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-table}{\mathsf{elem.drop}}~x \\ \end{array}\end{split}\]

Abbreviations

For backwards compatibility, all table indices may be omitted from table instructions, defaulting to \(0\).

\[\begin{split}\begin{array}{llcl} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \def\mathdef2978#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2978{table.get} &\equiv& \def\mathdef2979#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2979{table.get}~~\def\mathdef2980#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2980{0} \\ & \def\mathdef2981#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2981{table.set} &\equiv& \def\mathdef2982#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2982{table.set}~~\def\mathdef2983#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2983{0} \\ & \def\mathdef2984#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2984{table.size} &\equiv& \def\mathdef2985#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2985{table.size}~~\def\mathdef2986#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2986{0} \\ & \def\mathdef2987#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2987{table.grow} &\equiv& \def\mathdef2988#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2988{table.grow}~~\def\mathdef2989#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2989{0} \\ & \def\mathdef2990#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2990{table.fill} &\equiv& \def\mathdef2991#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2991{table.fill}~~\def\mathdef2992#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2992{0} \\ & \def\mathdef2993#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2993{table.copy} &\equiv& \def\mathdef2994#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2994{table.copy}~~\def\mathdef2995#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2995{0}~~\def\mathdef2996#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2996{0} \\ & \def\mathdef2997#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2997{table.init}~~x{:}\href{../text/modules.html#text-elemidx}{\mathtt{elemidx}}_I &\equiv& \def\mathdef2998#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2998{table.init}~~\def\mathdef2999#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef2999{0}~~x{:}\href{../text/modules.html#text-elemidx}{\mathtt{elemidx}}_I \\ \end{array}\end{split}\]

Memory Instructions

The offset and alignment immediates to memory instructions are optional. The offset defaults to \(\mathtt{0}\), the alignment to the storage size of the respective memory access, which is its natural alignment. Lexically, an \(\href{../text/instructions.html#text-memarg}{\mathtt{offset}}\) or \(\href{../text/instructions.html#text-memarg}{\mathtt{align}}\) phrase is considered a single keyword token, so no white space is allowed around the \(\def\mathdef3000#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3000{=}\).

\[\begin{split}\begin{array}{llcllll} \def\mathdef2886#1{{}}\mathdef2886{memory argument} & \href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_N &::=& o{:}\href{../text/instructions.html#text-memarg}{\mathtt{offset}}~~a{:}\href{../text/instructions.html#text-memarg}{\mathtt{align}}_N &\Rightarrow& \{ \href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{align}}~n,~\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{offset}}~o \} & (\mathrel{\mbox{if}} a = 2^n) \\ \def\mathdef2886#1{{}}\mathdef2886{memory offset} & \href{../text/instructions.html#text-memarg}{\mathtt{offset}} &::=& \def\mathdef3001#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3001{offset{=}}o{:}\href{../text/values.html#text-int}{\def\mathdef2911#1{{\mathtt{u}#1}}\mathdef2911{\mathtt{32}}} &\Rightarrow& o \\ &&|& \epsilon &\Rightarrow& 0 \\ \def\mathdef2886#1{{}}\mathdef2886{memory alignment} & \href{../text/instructions.html#text-memarg}{\mathtt{align}}_N &::=& \def\mathdef3002#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3002{align{=}}a{:}\href{../text/values.html#text-int}{\def\mathdef2911#1{{\mathtt{u}#1}}\mathdef2911{\mathtt{32}}} &\Rightarrow& a \\ &&|& \epsilon &\Rightarrow& N \\ \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \dots \\ &&|& \def\mathdef3003#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3003{i32.load}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}~m \\ &&|& \def\mathdef3004#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3004{i64.load}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}~m \\ &&|& \def\mathdef3005#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3005{f32.load}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}~m \\ &&|& \def\mathdef3006#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3006{f64.load}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}~m \\ &&|& \def\mathdef3007#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3007{i32.load8\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8\_s}~m \\ &&|& \def\mathdef3008#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3008{i32.load8\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8\_u}~m \\ &&|& \def\mathdef3009#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3009{i32.load16\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16\_s}~m \\ &&|& \def\mathdef3010#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3010{i32.load16\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16\_u}~m \\ &&|& \def\mathdef3011#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3011{i64.load8\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8\_s}~m \\ &&|& \def\mathdef3012#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3012{i64.load8\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8\_u}~m \\ &&|& \def\mathdef3013#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3013{i64.load16\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16\_s}~m \\ &&|& \def\mathdef3014#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3014{i64.load16\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16\_u}~m \\ &&|& \def\mathdef3015#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3015{i64.load32\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{32\_s}~m \\ &&|& \def\mathdef3016#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3016{i64.load32\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{32\_u}~m \\ &&|& \def\mathdef3017#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3017{i32.store}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}~m \\ &&|& \def\mathdef3018#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3018{i64.store}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}~m \\ &&|& \def\mathdef3019#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3019{f32.store}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}~m \\ &&|& \def\mathdef3020#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3020{f64.store}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}~m \\ &&|& \def\mathdef3021#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3021{i32.store8}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{8}~m \\ &&|& \def\mathdef3022#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3022{i32.store16}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{16}~m \\ &&|& \def\mathdef3023#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3023{i64.store8}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{8}~m \\ &&|& \def\mathdef3024#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3024{i64.store16}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{16}~m \\ &&|& \def\mathdef3025#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3025{i64.store32}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{32}~m \\ &&|& \def\mathdef3026#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3026{memory.size} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{memory.size}} \\ &&|& \def\mathdef3027#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3027{memory.grow} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{memory.grow}} \\ &&|& \def\mathdef3028#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3028{memory.fill} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{memory.fill}} \\ &&|& \def\mathdef3029#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3029{memory.copy} &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{memory.copy}} \\ &&|& \def\mathdef3030#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3030{memory.init}~~x{:}\href{../text/modules.html#text-dataidx}{\mathtt{dataidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{memory.init}}~x \\ &&|& \def\mathdef3031#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3031{data.drop}~~x{:}\href{../text/modules.html#text-dataidx}{\mathtt{dataidx}}_I &\Rightarrow& \href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{data.drop}}~x \\ \end{array}\end{split}\]

Numeric Instructions

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \dots \\&&|& \def\mathdef3032#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3032{i32.const}~~n{:}\href{../text/values.html#text-int}{\def\mathdef2919#1{{\mathtt{i}#1}}\mathdef2919{\mathtt{32}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{const}}~n \\ &&|& \def\mathdef3033#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3033{i64.const}~~n{:}\href{../text/values.html#text-int}{\def\mathdef2920#1{{\mathtt{i}#1}}\mathdef2920{\mathtt{64}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{const}}~n \\ &&|& \def\mathdef3034#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3034{f32.const}~~z{:}\href{../text/values.html#text-float}{\def\mathdef2923#1{{\mathtt{f}#1}}\mathdef2923{\mathtt{32}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{const}}~z \\ &&|& \def\mathdef3035#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3035{f64.const}~~z{:}\href{../text/values.html#text-float}{\def\mathdef2924#1{{\mathtt{f}#1}}\mathdef2924{\mathtt{64}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{const}}~z \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3036#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3036{i32.clz} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{clz}} \\ &&|& \def\mathdef3037#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3037{i32.ctz} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ctz}} \\ &&|& \def\mathdef3038#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3038{i32.popcnt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{popcnt}} \\ &&|& \def\mathdef3039#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3039{i32.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{add}} \\ &&|& \def\mathdef3040#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3040{i32.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{sub}} \\ &&|& \def\mathdef3041#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3041{i32.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{mul}} \\ &&|& \def\mathdef3042#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3042{i32.div\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{div}}\mathsf{\_s} \\ &&|& \def\mathdef3043#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3043{i32.div\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{div}}\mathsf{\_u} \\ &&|& \def\mathdef3044#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3044{i32.rem\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rem}}\mathsf{\_s} \\ &&|& \def\mathdef3045#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3045{i32.rem\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rem}}\mathsf{\_u} \\ &&|& \def\mathdef3046#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3046{i32.and} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{and}} \\ &&|& \def\mathdef3047#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3047{i32.or} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{or}} \\ &&|& \def\mathdef3048#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3048{i32.xor} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{xor}} \\ &&|& \def\mathdef3049#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3049{i32.shl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{shl}} \\ &&|& \def\mathdef3050#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3050{i32.shr\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{shr}}\mathsf{\_s} \\ &&|& \def\mathdef3051#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3051{i32.shr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{shr}}\mathsf{\_u} \\ &&|& \def\mathdef3052#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3052{i32.rotl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rotl}} \\ &&|& \def\mathdef3053#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3053{i32.rotr} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rotr}} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3054#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3054{i64.clz} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{clz}} \\ &&|& \def\mathdef3055#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3055{i64.ctz} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ctz}} \\ &&|& \def\mathdef3056#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3056{i64.popcnt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{popcnt}} \\ &&|& \def\mathdef3057#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3057{i64.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{add}} \\ &&|& \def\mathdef3058#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3058{i64.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{sub}} \\ &&|& \def\mathdef3059#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3059{i64.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{mul}} \\ &&|& \def\mathdef3060#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3060{i64.div\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{div}}\mathsf{\_s} \\ &&|& \def\mathdef3061#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3061{i64.div\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{div}}\mathsf{\_u} \\ &&|& \def\mathdef3062#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3062{i64.rem\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rem}}\mathsf{\_s} \\ &&|& \def\mathdef3063#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3063{i64.rem\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rem}}\mathsf{\_u} \\ &&|& \def\mathdef3064#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3064{i64.and} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{and}} \\ &&|& \def\mathdef3065#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3065{i64.or} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{or}} \\ &&|& \def\mathdef3066#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3066{i64.xor} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{xor}} \\ &&|& \def\mathdef3067#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3067{i64.shl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{shl}} \\ &&|& \def\mathdef3068#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3068{i64.shr\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{shr}}\mathsf{\_s} \\ &&|& \def\mathdef3069#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3069{i64.shr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{shr}}\mathsf{\_u} \\ &&|& \def\mathdef3070#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3070{i64.rotl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rotl}} \\ &&|& \def\mathdef3071#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3071{i64.rotr} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{rotr}} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3072#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3072{f32.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{abs}} \\ &&|& \def\mathdef3073#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3073{f32.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{neg}} \\ &&|& \def\mathdef3074#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3074{f32.ceil} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ceil}} \\ &&|& \def\mathdef3075#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3075{f32.floor} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{floor}} \\ &&|& \def\mathdef3076#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3076{f32.trunc} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}} \\ &&|& \def\mathdef3077#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3077{f32.nearest} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{nearest}} \\ &&|& \def\mathdef3078#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3078{f32.sqrt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{sqrt}} \\ &&|& \def\mathdef3079#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3079{f32.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{add}} \\ &&|& \def\mathdef3080#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3080{f32.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{sub}} \\ &&|& \def\mathdef3081#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3081{f32.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{mul}} \\ &&|& \def\mathdef3082#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3082{f32.div} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{div}} \\ &&|& \def\mathdef3083#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3083{f32.min} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{min}} \\ &&|& \def\mathdef3084#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3084{f32.max} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{max}} \\ &&|& \def\mathdef3085#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3085{f32.copysign} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{copysign}} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3086#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3086{f64.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{abs}} \\ &&|& \def\mathdef3087#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3087{f64.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{neg}} \\ &&|& \def\mathdef3088#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3088{f64.ceil} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ceil}} \\ &&|& \def\mathdef3089#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3089{f64.floor} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{floor}} \\ &&|& \def\mathdef3090#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3090{f64.trunc} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}} \\ &&|& \def\mathdef3091#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3091{f64.nearest} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{nearest}} \\ &&|& \def\mathdef3092#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3092{f64.sqrt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{sqrt}} \\ &&|& \def\mathdef3093#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3093{f64.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{add}} \\ &&|& \def\mathdef3094#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3094{f64.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{sub}} \\ &&|& \def\mathdef3095#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3095{f64.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{mul}} \\ &&|& \def\mathdef3096#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3096{f64.div} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{div}} \\ &&|& \def\mathdef3097#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3097{f64.min} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{min}} \\ &&|& \def\mathdef3098#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3098{f64.max} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{max}} \\ &&|& \def\mathdef3099#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3099{f64.copysign} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{copysign}} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3100#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3100{i32.eqz} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{eqz}} \\ &&|& \def\mathdef3101#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3101{i32.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{eq}} \\ &&|& \def\mathdef3102#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3102{i32.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ne}} \\ &&|& \def\mathdef3103#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3103{i32.lt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{lt}}\mathsf{\_s} \\ &&|& \def\mathdef3104#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3104{i32.lt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{lt}}\mathsf{\_u} \\ &&|& \def\mathdef3105#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3105{i32.gt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{gt}}\mathsf{\_s} \\ &&|& \def\mathdef3106#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3106{i32.gt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{gt}}\mathsf{\_u} \\ &&|& \def\mathdef3107#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3107{i32.le\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{le}}\mathsf{\_s} \\ &&|& \def\mathdef3108#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3108{i32.le\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{le}}\mathsf{\_u} \\ &&|& \def\mathdef3109#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3109{i32.ge\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ge}}\mathsf{\_s} \\ &&|& \def\mathdef3110#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3110{i32.ge\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ge}}\mathsf{\_u} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3111#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3111{i64.eqz} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{eqz}} \\ &&|& \def\mathdef3112#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3112{i64.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{eq}} \\ &&|& \def\mathdef3113#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3113{i64.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ne}} \\ &&|& \def\mathdef3114#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3114{i64.lt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{lt}}\mathsf{\_s} \\ &&|& \def\mathdef3115#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3115{i64.lt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{lt}}\mathsf{\_u} \\ &&|& \def\mathdef3116#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3116{i64.gt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{gt}}\mathsf{\_s} \\ &&|& \def\mathdef3117#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3117{i64.gt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{gt}}\mathsf{\_u} \\ &&|& \def\mathdef3118#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3118{i64.le\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{le}}\mathsf{\_s} \\ &&|& \def\mathdef3119#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3119{i64.le\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{le}}\mathsf{\_u} \\ &&|& \def\mathdef3120#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3120{i64.ge\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ge}}\mathsf{\_s} \\ &&|& \def\mathdef3121#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3121{i64.ge\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ge}}\mathsf{\_u} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3122#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3122{f32.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{eq}} \\ &&|& \def\mathdef3123#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3123{f32.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ne}} \\ &&|& \def\mathdef3124#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3124{f32.lt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{lt}} \\ &&|& \def\mathdef3125#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3125{f32.gt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{gt}} \\ &&|& \def\mathdef3126#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3126{f32.le} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{le}} \\ &&|& \def\mathdef3127#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3127{f32.ge} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ge}} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3128#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3128{f64.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{eq}} \\ &&|& \def\mathdef3129#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3129{f64.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ne}} \\ &&|& \def\mathdef3130#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3130{f64.lt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{lt}} \\ &&|& \def\mathdef3131#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3131{f64.gt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{gt}} \\ &&|& \def\mathdef3132#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3132{f64.le} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{le}} \\ &&|& \def\mathdef3133#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3133{f64.ge} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{ge}} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3134#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3134{i32.wrap\_i64} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{wrap}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i64}} \\ &&|& \def\mathdef3135#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3135{i32.trunc\_f32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_s} \\ &&|& \def\mathdef3136#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3136{i32.trunc\_f32\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_u} \\ &&|& \def\mathdef3137#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3137{i32.trunc\_f64\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_s} \\ &&|& \def\mathdef3138#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3138{i32.trunc\_f64\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_u} \\ &&|& \def\mathdef3139#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3139{i32.trunc\_sat\_f32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_s} \\ &&|& \def\mathdef3140#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3140{i32.trunc\_sat\_f32\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_u} \\ &&|& \def\mathdef3141#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3141{i32.trunc\_sat\_f64\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_s} \\ &&|& \def\mathdef3142#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3142{i32.trunc\_sat\_f64\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_u} \\ &&|& \def\mathdef3143#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3143{i64.extend\_i32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{extend}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}\mathsf{\_s} \\ &&|& \def\mathdef3144#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3144{i64.extend\_i32\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{extend}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}\mathsf{\_u} \\ &&|& \def\mathdef3145#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3145{i64.trunc\_f32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_s} \\ &&|& \def\mathdef3146#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3146{i64.trunc\_f32\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_u} \\ &&|& \def\mathdef3147#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3147{i64.trunc\_f64\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_s} \\ &&|& \def\mathdef3148#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3148{i64.trunc\_f64\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_u} \\ &&|& \def\mathdef3149#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3149{i64.trunc\_sat\_f32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_s} \\ &&|& \def\mathdef3150#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3150{i64.trunc\_sat\_f32\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}\mathsf{\_u} \\ &&|& \def\mathdef3151#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3151{i64.trunc\_sat\_f64\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_s} \\ &&|& \def\mathdef3152#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3152{i64.trunc\_sat\_f64\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{trunc}}\mathsf{\_sat\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}\mathsf{\_u} \\ &&|& \def\mathdef3153#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3153{f32.convert\_i32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}\mathsf{\_s} \\ &&|& \def\mathdef3154#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3154{f32.convert\_i32\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}\mathsf{\_u} \\ &&|& \def\mathdef3155#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3155{f32.convert\_i64\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}\mathsf{\_s} \\ &&|& \def\mathdef3156#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3156{f32.convert\_i64\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}\mathsf{\_u} \\ &&|& \def\mathdef3157#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3157{f32.demote\_f64} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{demote}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}} \\ &&|& \def\mathdef3158#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3158{f64.convert\_i32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}\mathsf{\_s} \\ &&|& \def\mathdef3159#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3159{f64.convert\_i32\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}\mathsf{\_u} \\ &&|& \def\mathdef3160#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3160{f64.convert\_i64\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}\mathsf{\_s} \\ &&|& \def\mathdef3161#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3161{f64.convert\_i64\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}\mathsf{\_u} \\ &&|& \def\mathdef3162#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3162{f64.promote\_f32} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{promote}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}} \\ &&|& \def\mathdef3163#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3163{i32.reinterpret\_f32} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{reinterpret}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f32}} \\ &&|& \def\mathdef3164#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3164{i64.reinterpret\_f64} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{reinterpret}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{f64}} \\ &&|& \def\mathdef3165#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3165{f32.reinterpret\_i32} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{reinterpret}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i32}} \\ &&|& \def\mathdef3166#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3166{f64.reinterpret\_i64} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{reinterpret}}\mathsf{\_}\href{../syntax/types.html#syntax-valtype}{\mathsf{i64}} \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{thisisenough} && \phantom{thisshouldbeenough} \\[-2ex] &&|& \def\mathdef3167#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3167{i32.extend8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{extend}}\mathsf{8\_s} \\ &&|& \def\mathdef3168#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3168{i32.extend16\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{extend}}\mathsf{16\_s} \\ &&|& \def\mathdef3169#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3169{i64.extend8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{extend}}\mathsf{8\_s} \\ &&|& \def\mathdef3170#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3170{i64.extend16\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{extend}}\mathsf{16\_s} \\ &&|& \def\mathdef3171#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3171{i64.extend32\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{extend}}\mathsf{32\_s} \\ \end{array}\end{split}\]

Vector Instructions

Vector memory instructions have optional offset and alignment immediates, like the memory instructions.

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I &::=& \dots \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\ &&|& \def\mathdef3172#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3172{v128.load}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_{16} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}~m \\ &&|& \def\mathdef3173#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3173{v128.load8x8\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8x8\_s}~m \\ &&|& \def\mathdef3174#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3174{v128.load8x8\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8x8\_u}~m \\ &&|& \def\mathdef3175#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3175{v128.load16x4\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16x4\_s}~m \\ &&|& \def\mathdef3176#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3176{v128.load16x4\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16x4\_u}~m \\ &&|& \def\mathdef3177#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3177{v128.load32x2\_s}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{32x2\_s}~m \\ &&|& \def\mathdef3178#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3178{v128.load32x2\_u}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{32x2\_u}~m \\ &&|& \def\mathdef3179#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3179{v128.load8\_splat}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8\_splat}~m \\ &&|& \def\mathdef3180#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3180{v128.load16\_splat}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16\_splat}~m \\ &&|& \def\mathdef3181#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3181{v128.load32\_splat}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{32\_splat}~m \\ &&|& \def\mathdef3182#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3182{v128.load64\_splat}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{64\_splat}~m \\ &&|& \def\mathdef3183#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3183{v128.load32\_zero}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{32\_zero}~m \\ &&|& \def\mathdef3184#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3184{v128.load64\_zero}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8 &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{64\_zero}~m \\ &&|& \def\mathdef3185#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3185{v128.store}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_{16} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}~m \\ &&|& \def\mathdef3186#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3186{v128.load8\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{8\_lane}~m~laneidx \\ &&|& \def\mathdef3187#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3187{v128.load16\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{16\_lane}~m~laneidx \\ &&|& \def\mathdef3188#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3188{v128.load32\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{32\_lane}~m~laneidx \\ &&|& \def\mathdef3189#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3189{v128.load64\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{load}}\mathsf{64\_lane}~m~laneidx \\ &&|& \def\mathdef3190#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3190{v128.store8\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_1~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{8\_lane}~m~laneidx \\ &&|& \def\mathdef3191#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3191{v128.store16\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_2~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{16\_lane}~m~laneidx \\ &&|& \def\mathdef3192#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3192{v128.store32\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_4~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{32\_lane}~m~laneidx \\ &&|& \def\mathdef3193#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3193{v128.store64\_lane}~~m{:}\href{../text/instructions.html#text-memarg}{\mathtt{memarg}}_8~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-memory}{\mathsf{store}}\mathsf{64\_lane}~m~laneidx \\ \end{array}\end{split}\]

Vector constant instructions have a mandatory shape descriptor, which determines how the following values are parsed.

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3194#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3194{v128.const}~~\def\mathdef3195#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3195{i8x16}~~(n{:}\href{../text/values.html#text-int}{\def\mathdef2917#1{{\mathtt{i}#1}}\mathdef2917{\mathtt{8}}})^{16} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{const}}~\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i128}^{-1}(\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i8}(n)^{16}) \\ &&|& \def\mathdef3196#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3196{v128.const}~~\def\mathdef3197#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3197{i16x8}~~(n{:}\href{../text/values.html#text-int}{\def\mathdef2918#1{{\mathtt{i}#1}}\mathdef2918{\mathtt{16}}})^{8} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{const}}~\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i128}^{-1}(\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i16}(n)^8) \\ &&|& \def\mathdef3198#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3198{v128.const}~~\def\mathdef3199#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3199{i32x4}~~(n{:}\href{../text/values.html#text-int}{\def\mathdef2919#1{{\mathtt{i}#1}}\mathdef2919{\mathtt{32}}})^{4} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{const}}~\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i128}^{-1}(\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i32}(n)^4) \\ &&|& \def\mathdef3200#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3200{v128.const}~~\def\mathdef3201#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3201{i64x2}~~(n{:}\href{../text/values.html#text-int}{\def\mathdef2920#1{{\mathtt{i}#1}}\mathdef2920{\mathtt{64}}})^{2} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{const}}~\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i128}^{-1}(\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i64}(n)^2) \\ &&|& \def\mathdef3202#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3202{v128.const}~~\def\mathdef3203#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3203{f32x4}~~(z{:}\href{../text/values.html#text-float}{\def\mathdef2923#1{{\mathtt{f}#1}}\mathdef2923{\mathtt{32}}})^{4} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{const}}~\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i128}^{-1}(\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{f32}(z)^4) \\ &&|& \def\mathdef3204#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3204{v128.const}~~\def\mathdef3205#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3205{f64x2}~~(z{:}\href{../text/values.html#text-float}{\def\mathdef2924#1{{\mathtt{f}#1}}\mathdef2924{\mathtt{64}}})^{2} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{const}}~\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{i128}^{-1}(\href{../exec/numerics.html#aux-bytes}{\mathrm{bytes}}_{f64}(z)^2) \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3206#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3206{i8x16.shuffle}~~(laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}})^{16} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shuffle}}~laneidx^{16} \\ &&|& \def\mathdef3207#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3207{i8x16.swizzle} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{swizzle}} \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3208#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3208{i8x16.splat} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{splat}}\\ &&|& \def\mathdef3209#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3209{i16x8.splat} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{splat}}\\ &&|& \def\mathdef3210#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3210{i32x4.splat} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{splat}}\\ &&|& \def\mathdef3211#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3211{i64x2.splat} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{splat}}\\ &&|& \def\mathdef3212#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3212{f32x4.splat} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{splat}}\\ &&|& \def\mathdef3213#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3213{f64x2.splat} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{splat}}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3214#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3214{i8x16.extract\_lane\_s}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}\mathsf{\_s}~laneidx \\ &&|& \def\mathdef3215#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3215{i8x16.extract\_lane\_u}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}\mathsf{\_u}~laneidx \\ &&|& \def\mathdef3216#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3216{i8x16.replace\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{replace\_lane}}~laneidx \\ &&|& \def\mathdef3217#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3217{i16x8.extract\_lane\_s}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}\mathsf{\_s}~laneidx \\ &&|& \def\mathdef3218#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3218{i16x8.extract\_lane\_u}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}\mathsf{\_u}~laneidx \\ &&|& \def\mathdef3219#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3219{i16x8.replace\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{replace\_lane}}~laneidx \\ &&|& \def\mathdef3220#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3220{i32x4.extract\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}~laneidx \\ &&|& \def\mathdef3221#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3221{i32x4.replace\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{replace\_lane}}~laneidx \\ &&|& \def\mathdef3222#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3222{i64x2.extract\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}~laneidx \\ &&|& \def\mathdef3223#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3223{i64x2.replace\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{replace\_lane}}~laneidx \\ &&|& \def\mathdef3224#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3224{f32x4.extract\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}~laneidx \\ &&|& \def\mathdef3225#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3225{f32x4.replace\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{replace\_lane}}~laneidx \\ &&|& \def\mathdef3226#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3226{f64x2.extract\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extract\_lane}}~laneidx \\ &&|& \def\mathdef3227#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3227{f64x2.replace\_lane}~~laneidx{:}\href{../text/values.html#text-int}{\def\mathdef2909#1{{\mathtt{u}#1}}\mathdef2909{\mathtt{8}}} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{replace\_lane}}~laneidx \\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3228#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3228{i8x16.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{eq}}\\ &&|& \def\mathdef3229#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3229{i8x16.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ne}}\\ &&|& \def\mathdef3230#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3230{i8x16.lt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\mathsf{\_s}\\ &&|& \def\mathdef3231#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3231{i8x16.lt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\mathsf{\_u}\\ &&|& \def\mathdef3232#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3232{i8x16.gt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\mathsf{\_s}\\ &&|& \def\mathdef3233#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3233{i8x16.gt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\mathsf{\_u}\\ &&|& \def\mathdef3234#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3234{i8x16.le\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\mathsf{\_s}\\ &&|& \def\mathdef3235#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3235{i8x16.le\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\mathsf{\_u}\\ &&|& \def\mathdef3236#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3236{i8x16.ge\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\mathsf{\_s}\\ &&|& \def\mathdef3237#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3237{i8x16.ge\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\mathsf{\_u}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3238#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3238{i16x8.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{eq}}\\ &&|& \def\mathdef3239#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3239{i16x8.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ne}}\\ &&|& \def\mathdef3240#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3240{i16x8.lt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\mathsf{\_s}\\ &&|& \def\mathdef3241#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3241{i16x8.lt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\mathsf{\_u}\\ &&|& \def\mathdef3242#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3242{i16x8.gt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\mathsf{\_s}\\ &&|& \def\mathdef3243#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3243{i16x8.gt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\mathsf{\_u}\\ &&|& \def\mathdef3244#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3244{i16x8.le\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\mathsf{\_s}\\ &&|& \def\mathdef3245#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3245{i16x8.le\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\mathsf{\_u}\\ &&|& \def\mathdef3246#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3246{i16x8.ge\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\mathsf{\_s}\\ &&|& \def\mathdef3247#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3247{i16x8.ge\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\mathsf{\_u}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3248#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3248{i32x4.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{eq}}\\ &&|& \def\mathdef3249#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3249{i32x4.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ne}}\\ &&|& \def\mathdef3250#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3250{i32x4.lt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\mathsf{\_s}\\ &&|& \def\mathdef3251#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3251{i32x4.lt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\mathsf{\_u}\\ &&|& \def\mathdef3252#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3252{i32x4.gt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\mathsf{\_s}\\ &&|& \def\mathdef3253#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3253{i32x4.gt\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\mathsf{\_u}\\ &&|& \def\mathdef3254#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3254{i32x4.le\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\mathsf{\_s}\\ &&|& \def\mathdef3255#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3255{i32x4.le\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\mathsf{\_u}\\ &&|& \def\mathdef3256#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3256{i32x4.ge\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\mathsf{\_s}\\ &&|& \def\mathdef3257#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3257{i32x4.ge\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\mathsf{\_u}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3258#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3258{i64x2.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{eq}}\\ &&|& \def\mathdef3259#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3259{i64x2.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ne}}\\ &&|& \def\mathdef3260#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3260{i64x2.lt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\mathsf{\_s}\\ &&|& \def\mathdef3261#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3261{i64x2.gt\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\mathsf{\_s}\\ &&|& \def\mathdef3262#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3262{i64x2.le\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\mathsf{\_s}\\ &&|& \def\mathdef3263#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3263{i64x2.ge\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\mathsf{\_s}\\ &&|& \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3264#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3264{f32x4.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{eq}}\\ &&|& \def\mathdef3265#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3265{f32x4.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ne}}\\ &&|& \def\mathdef3266#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3266{f32x4.lt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\\ &&|& \def\mathdef3267#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3267{f32x4.gt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\\ &&|& \def\mathdef3268#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3268{f32x4.le} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\\ &&|& \def\mathdef3269#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3269{f32x4.ge} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3270#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3270{f64x2.eq} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{eq}}\\ &&|& \def\mathdef3271#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3271{f64x2.ne} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ne}}\\ &&|& \def\mathdef3272#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3272{f64x2.lt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{lt}}\\ &&|& \def\mathdef3273#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3273{f64x2.gt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{gt}}\\ &&|& \def\mathdef3274#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3274{f64x2.le} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{le}}\\ &&|& \def\mathdef3275#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3275{f64x2.ge} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ge}}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3276#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3276{v128.not} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{not}}\\ &&|& \def\mathdef3277#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3277{v128.and} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{and}}\\ &&|& \def\mathdef3278#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3278{v128.andnot} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{andnot}}\\ &&|& \def\mathdef3279#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3279{v128.or} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{or}}\\ &&|& \def\mathdef3280#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3280{v128.xor} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{xor}}\\ &&|& \def\mathdef3281#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3281{v128.bitselect} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{bitselect}}\\ &&|& \def\mathdef3282#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3282{v128.any\_true} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{v128}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{any\_true}} \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3283#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3283{i8x16.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{abs}}\\ &&|& \def\mathdef3284#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3284{i8x16.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{neg}}\\ &&|& \def\mathdef3285#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3285{i8x16.all\_true} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{all\_true}}\\ &&|& \def\mathdef3286#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3286{i8x16.bitmask} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{bitmask}}\\ &&|& \def\mathdef3287#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3287{i8x16.narrow\_i16x8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{narrow}}\mathsf{\_i16x8\_s}\\ &&|& \def\mathdef3288#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3288{i8x16.narrow\_i16x8\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{narrow}}\mathsf{\_i16x8\_u}\\ &&|& \def\mathdef3289#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3289{i8x16.shl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shl}}\\ &&|& \def\mathdef3290#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3290{i8x16.shr\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_s}\\ &&|& \def\mathdef3291#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3291{i8x16.shr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_u}\\ &&|& \def\mathdef3292#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3292{i8x16.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\\ &&|& \def\mathdef3293#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3293{i8x16.add\_sat\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\mathsf{\_sat\_s}\\ &&|& \def\mathdef3294#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3294{i8x16.add\_sat\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\mathsf{\_sat\_u}\\ &&|& \def\mathdef3295#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3295{i8x16.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\\ &&|& \def\mathdef3296#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3296{i8x16.sub\_sat\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\mathsf{\_sat\_s}\\ &&|& \def\mathdef3297#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3297{i8x16.sub\_sat\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\mathsf{\_sat\_u}\\ &&|& \def\mathdef3298#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3298{i8x16.min\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\mathsf{\_s}\\ &&|& \def\mathdef3299#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3299{i8x16.min\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\mathsf{\_u}\\ &&|& \def\mathdef3300#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3300{i8x16.max\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\mathsf{\_s}\\ &&|& \def\mathdef3301#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3301{i8x16.max\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\mathsf{\_u}\\ &&|& \def\mathdef3302#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3302{i8x16.avgr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{avgr}}\mathsf{\_u}\\ &&|& \def\mathdef3303#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3303{i8x16.popcnt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i8x16}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{popcnt}}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3304#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3304{i16x8.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{abs}}\\ &&|& \def\mathdef3305#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3305{i16x8.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{neg}}\\ &&|& \def\mathdef3306#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3306{i16x8.all\_true} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{all\_true}}\\ &&|& \def\mathdef3307#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3307{i16x8.bitmask} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{bitmask}}\\ &&|& \def\mathdef3308#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3308{i16x8.narrow\_i32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{narrow}}\mathsf{\_i32x4\_s}\\ &&|& \def\mathdef3309#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3309{i16x8.narrow\_i32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{narrow}}\mathsf{\_i32x4\_u}\\ &&|& \def\mathdef3310#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3310{i16x8.extend\_low\_i8x16\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_low\_i8x16\_s}\\ &&|& \def\mathdef3311#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3311{i16x8.extend\_high\_i8x16\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_high\_i8x16\_s}\\ &&|& \def\mathdef3312#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3312{i16x8.extend\_low\_i8x16\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_low\_i8x16\_u}\\ &&|& \def\mathdef3313#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3313{i16x8.extend\_high\_i8x16\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_high\_i8x16\_u}\\ &&|& \def\mathdef3314#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3314{i16x8.shl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shl}}\\ &&|& \def\mathdef3315#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3315{i16x8.shr\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_s}\\ &&|& \def\mathdef3316#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3316{i16x8.shr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_u}\\ &&|& \def\mathdef3317#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3317{i16x8.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\\ &&|& \def\mathdef3318#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3318{i16x8.add\_sat\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\mathsf{\_sat\_s}\\ &&|& \def\mathdef3319#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3319{i16x8.add\_sat\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\mathsf{\_sat\_u}\\ &&|& \def\mathdef3320#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3320{i16x8.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\\ &&|& \def\mathdef3321#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3321{i16x8.sub\_sat\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\mathsf{\_sat\_s}\\ &&|& \def\mathdef3322#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3322{i16x8.sub\_sat\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\mathsf{\_sat\_u}\\ &&|& \def\mathdef3323#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3323{i16x8.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{mul}}\\ &&|& \def\mathdef3324#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3324{i16x8.min\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\mathsf{\_s}\\ &&|& \def\mathdef3325#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3325{i16x8.min\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\mathsf{\_u}\\ &&|& \def\mathdef3326#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3326{i16x8.max\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\mathsf{\_s}\\ &&|& \def\mathdef3327#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3327{i16x8.max\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\mathsf{\_u}\\ &&|& \def\mathdef3328#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3328{i16x8.avgr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{avgr}}\mathsf{\_u}\\ &&|& \def\mathdef3329#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3329{i16x8.q15mulr\_sat\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{q15mulr\_sat}}\mathsf{\_s}\\ &&|& \def\mathdef3330#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3330{i16x8.extmul\_low\_i8x16\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_low\_i8x16\_s}\\ &&|& \def\mathdef3331#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3331{i16x8.extmul\_high\_i8x16\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_high\_i8x16\_s}\\ &&|& \def\mathdef3332#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3332{i16x8.extmul\_low\_i8x16\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_low\_i8x16\_u}\\ &&|& \def\mathdef3333#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3333{i16x8.extmul\_high\_i8x16\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_high\_i8x16\_u}\\ &&|& \def\mathdef3334#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3334{i16x8.extadd\_pairwise\_i8x16\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extadd\_pairwise}}\mathsf{\_i8x16\_s}\\ &&|& \def\mathdef3335#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3335{i16x8.extadd\_pairwise\_i8x16\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i16x8}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extadd\_pairwise}}\mathsf{\_i8x16\_u}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3336#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3336{i32x4.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{abs}}\\ &&|& \def\mathdef3337#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3337{i32x4.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{neg}}\\ &&|& \def\mathdef3338#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3338{i32x4.all\_true} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{all\_true}}\\ &&|& \def\mathdef3339#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3339{i32x4.bitmask} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{bitmask}}\\ &&|& \def\mathdef3340#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3340{i32x4.extadd\_pairwise\_i16x8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extadd\_pairwise}}\mathsf{\_i16x8\_s}\\ &&|& \def\mathdef3341#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3341{i32x4.extend\_low\_i16x8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_low\_i16x8\_s}\\ &&|& \def\mathdef3342#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3342{i32x4.extend\_high\_i16x8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_high\_i16x8\_s}\\ &&|& \def\mathdef3343#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3343{i32x4.extend\_low\_i16x8\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_low\_i16x8\_u}\\ &&|& \def\mathdef3344#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3344{i32x4.extend\_high\_i16x8\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_high\_i16x8\_u}\\ &&|& \def\mathdef3345#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3345{i32x4.shl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shl}}\\ &&|& \def\mathdef3346#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3346{i32x4.shr\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_s}\\ &&|& \def\mathdef3347#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3347{i32x4.shr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_u}\\ &&|& \def\mathdef3348#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3348{i32x4.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\\ &&|& \def\mathdef3349#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3349{i32x4.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\\ &&|& \def\mathdef3350#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3350{i32x4.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{mul}}\\ &&|& \def\mathdef3351#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3351{i32x4.min\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\mathsf{\_s}\\ &&|& \def\mathdef3352#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3352{i32x4.min\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\mathsf{\_u}\\ &&|& \def\mathdef3353#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3353{i32x4.max\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\mathsf{\_s}\\ &&|& \def\mathdef3354#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3354{i32x4.max\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\mathsf{\_u}\\ &&|& \def\mathdef3355#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3355{i32x4.dot\_i16x8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{dot}}\mathsf{\_i16x8\_s}\\ &&|& \def\mathdef3356#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3356{i32x4.extmul\_low\_i16x8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_low\_i16x8\_s}\\ &&|& \def\mathdef3357#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3357{i32x4.extmul\_high\_i16x8\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_high\_i16x8\_s}\\ &&|& \def\mathdef3358#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3358{i32x4.extmul\_low\_i16x8\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_low\_i16x8\_u}\\ &&|& \def\mathdef3359#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3359{i32x4.extmul\_high\_i16x8\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_high\_i16x8\_u}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3360#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3360{i64x2.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{abs}}\\ &&|& \def\mathdef3361#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3361{i64x2.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{neg}}\\ &&|& \def\mathdef3362#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3362{i64x2.all\_true} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{all\_true}}\\ &&|& \def\mathdef3363#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3363{i64x2.bitmask} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{bitmask}}\\ &&|& \def\mathdef3364#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3364{i64x2.extend\_low\_i32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_low\_i32x4\_s} \\ &&|& \def\mathdef3365#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3365{i64x2.extend\_high\_i32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_high\_i32x4\_s} \\ &&|& \def\mathdef3366#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3366{i64x2.extend\_low\_i32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_low\_i32x4\_u} \\ &&|& \def\mathdef3367#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3367{i64x2.extend\_high\_i32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extend}}\mathsf{\_high\_i32x4\_u} \\ &&|& \def\mathdef3368#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3368{i64x2.shl} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shl}}\\ &&|& \def\mathdef3369#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3369{i64x2.shr\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_s}\\ &&|& \def\mathdef3370#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3370{i64x2.shr\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{shr}}\mathsf{\_u}\\ &&|& \def\mathdef3371#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3371{i64x2.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\\ &&|& \def\mathdef3372#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3372{i64x2.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\\ &&|& \def\mathdef3373#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3373{i64x2.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{mul}}\\ &&|& \def\mathdef3374#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3374{i64x2.extmul\_low\_i32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_low\_i32x4\_s}\\ &&|& \def\mathdef3375#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3375{i64x2.extmul\_high\_i32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_high\_i32x4\_s}\\ &&|& \def\mathdef3376#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3376{i64x2.extmul\_low\_i32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_low\_i32x4\_u}\\ &&|& \def\mathdef3377#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3377{i64x2.extmul\_high\_i32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{extmul}}\mathsf{\_high\_i32x4\_u}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3378#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3378{f32x4.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{abs}}\\ &&|& \def\mathdef3379#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3379{f32x4.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{neg}}\\ &&|& \def\mathdef3380#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3380{f32x4.sqrt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sqrt}}\\ &&|& \def\mathdef3381#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3381{f32x4.ceil} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ceil}}\\ &&|& \def\mathdef3382#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3382{f32x4.floor} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{floor}}\\ &&|& \def\mathdef3383#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3383{f32x4.trunc} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{trunc}}\\ &&|& \def\mathdef3384#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3384{f32x4.nearest} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{nearest}}\\ &&|& \def\mathdef3385#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3385{f32x4.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\\ &&|& \def\mathdef3386#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3386{f32x4.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\\ &&|& \def\mathdef3387#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3387{f32x4.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{mul}}\\ &&|& \def\mathdef3388#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3388{f32x4.div} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{div}}\\ &&|& \def\mathdef3389#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3389{f32x4.min} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\\ &&|& \def\mathdef3390#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3390{f32x4.max} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\\ &&|& \def\mathdef3391#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3391{f32x4.pmin} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{pmin}}\\ &&|& \def\mathdef3392#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3392{f32x4.pmax} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{pmax}}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3393#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3393{f64x2.abs} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{abs}}\\ &&|& \def\mathdef3394#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3394{f64x2.neg} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{neg}}\\ &&|& \def\mathdef3395#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3395{f64x2.sqrt} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sqrt}}\\ &&|& \def\mathdef3396#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3396{f64x2.ceil} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{ceil}}\\ &&|& \def\mathdef3397#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3397{f64x2.floor} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{floor}}\\ &&|& \def\mathdef3398#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3398{f64x2.trunc} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{trunc}}\\ &&|& \def\mathdef3399#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3399{f64x2.nearest} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{nearest}}\\ &&|& \def\mathdef3400#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3400{f64x2.add} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{add}}\\ &&|& \def\mathdef3401#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3401{f64x2.sub} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{sub}}\\ &&|& \def\mathdef3402#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3402{f64x2.mul} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{mul}}\\ &&|& \def\mathdef3403#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3403{f64x2.div} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{div}}\\ &&|& \def\mathdef3404#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3404{f64x2.min} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{min}}\\ &&|& \def\mathdef3405#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3405{f64x2.max} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{max}}\\ &&|& \def\mathdef3406#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3406{f64x2.pmin} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{pmin}}\\ &&|& \def\mathdef3407#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3407{f64x2.pmax} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{pmax}}\\ \end{array}\end{split}\]

\[\begin{split}\begin{array}{llclll} \phantom{\def\mathdef2886#1{{}}\mathdef2886{instruction}} & \phantom{\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}_I} &\phantom{::=}& \phantom{averylonginstructionnameforvectext} && \phantom{vechasreallylonginstructionnames} \\[-2ex] &&|& \def\mathdef3408#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3408{i32x4.trunc\_sat\_f32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{trunc}}\mathsf{\_sat\_f32x4\_s}\\ &&|& \def\mathdef3409#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3409{i32x4.trunc\_sat\_f32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{trunc}}\mathsf{\_sat\_f32x4\_u}\\ &&|& \def\mathdef3410#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3410{i32x4.trunc\_sat\_f64x2\_s\_zero} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{trunc}}\mathsf{\_sat\_f64x2\_s\_zero}\\ &&|& \def\mathdef3411#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3411{i32x4.trunc\_sat\_f64x2\_u\_zero} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{i32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{trunc}}\mathsf{\_sat\_f64x2\_u\_zero}\\ &&|& \def\mathdef3412#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3412{f32x4.convert\_i32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_i32x4\_s}\\ &&|& \def\mathdef3413#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3413{f32x4.convert\_i32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-numeric}{\mathsf{convert}}\mathsf{\_i32x4\_u}\\ &&|& \def\mathdef3414#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3414{f64x2.convert\_low\_i32x4\_s} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{convert}}\mathsf{\_low\_i32x4\_s}\\ &&|& \def\mathdef3415#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3415{f64x2.convert\_low\_i32x4\_u} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{convert}}\mathsf{\_low\_i32x4\_u}\\ &&|& \def\mathdef3416#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3416{f32x4.demote\_f64x2\_zero} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f32x4}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{demote}}\mathsf{\_f64x2\_zero}\\ &&|& \def\mathdef3417#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3417{f64x2.promote\_low\_f32x4} &\Rightarrow& \href{../syntax/types.html#syntax-valtype}{\mathsf{f64x2}}.\href{../syntax/instructions.html#syntax-instr-vec}{\mathsf{promote}}\mathsf{\_low\_f32x4}\\ \end{array}\end{split}\]

Folded Instructions

Instructions can be written as S-expressions by grouping them into folded form. In that notation, an instruction is wrapped in parentheses and optionally includes nested folded instructions to indicate its operands.

In the case of block instructions, the folded form omits the \(\def\mathdef3418#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3418{end}\) delimiter. For \(\href{../syntax/instructions.html#syntax-instr-control}{\mathsf{if}}\) instructions, both branches have to be wrapped into nested S-expressions, headed by the keywords \(\def\mathdef3419#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3419{then}\) and \(\def\mathdef3420#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3420{else}\).

The set of all phrases defined by the following abbreviations recursively forms the auxiliary syntactic class \(\href{../text/instructions.html#text-foldedinstr}{\mathtt{foldedinstr}}\). Such a folded instruction can appear anywhere a regular instruction can.

\[\begin{split}\begin{array}{lllll} \def\mathdef2886#1{{}}\mathdef2886{instruction} & \def\mathdef3421#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3421{(}~\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}}~~\href{../text/instructions.html#text-foldedinstr}{\mathtt{foldedinstr}}^\ast~\def\mathdef3422#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3422{)} &\equiv\quad \href{../text/instructions.html#text-foldedinstr}{\mathtt{foldedinstr}}^\ast~~\href{../text/instructions.html#text-plaininstr}{\mathtt{plaininstr}} \\ & \def\mathdef3423#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3423{(}~\def\mathdef3424#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3424{block}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}^\ast~\def\mathdef3425#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3425{)} &\equiv\quad \def\mathdef3426#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3426{block}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}^\ast~~\def\mathdef3427#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3427{end} \\ & \def\mathdef3428#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3428{(}~\def\mathdef3429#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3429{loop}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}^\ast~\def\mathdef3430#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3430{)} &\equiv\quad \def\mathdef3431#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3431{loop}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}^\ast~~\def\mathdef3432#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3432{end} \\ & \def\mathdef3433#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3433{(}~\def\mathdef3434#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3434{if}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}}~~\href{../text/instructions.html#text-foldedinstr}{\mathtt{foldedinstr}}^\ast &\hspace{-3ex} \def\mathdef3435#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3435{(}~\def\mathdef3436#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3436{then}~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}_1^\ast~\def\mathdef3437#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3437{)}~~(\def\mathdef3438#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3438{(}~\def\mathdef3439#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3439{else}~~\href{../text/instructions.html#text-instr}{\mathtt{instr}}_2^\ast~\def\mathdef3440#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3440{)})^?~~\def\mathdef3441#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3441{)} \quad\equiv \\ &\qquad \href{../text/instructions.html#text-foldedinstr}{\mathtt{foldedinstr}}^\ast~~\def\mathdef3442#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3442{if}~~\href{../text/instructions.html#text-label}{\mathtt{label}}~~\href{../text/instructions.html#text-blocktype}{\mathtt{blocktype}} &\hspace{-1ex} \href{../text/instructions.html#text-instr}{\mathtt{instr}}_1^\ast~~\def\mathdef3443#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3443{else}~~(\href{../text/instructions.html#text-instr}{\mathtt{instr}}_2^\ast)^?~\def\mathdef3444#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3444{end} \\ \end{array}\end{split}\]

Note

For example, the instruction sequence

\[\mathtt{(local.get~\$x)~(i32.const~2)~i32.add~(i32.const~3)~i32.mul}\]

can be folded into

\[\mathtt{(i32.mul~(i32.add~(local.get~\$x)~(i32.const~2))~(i32.const~3))}\]

Folded instructions are solely syntactic sugar, no additional syntactic or type-based checking is implied.

Expressions

Expressions are written as instruction sequences. No explicit \(\def\mathdef3445#1{\mbox{‘}\mathtt{#1}\mbox{’}}\mathdef3445{end}\) keyword is included, since they only occur in bracketed positions.

\[\begin{split}\begin{array}{llclll} \def\mathdef2886#1{{}}\mathdef2886{expression} & \href{../text/instructions.html#text-expr}{\mathtt{expr}}_I &::=& (\mathit{in}{:}\href{../text/instructions.html#text-instr}{\mathtt{instr}}_I)^\ast &\Rightarrow& \mathit{in}^\ast~\href{../syntax/instructions.html#syntax-instr-control}{\mathsf{end}} \\ \end{array}\end{split}\]