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docs: add atomicrmw operations list

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Andrew Kelley 2019-08-02 18:53:56 -04:00
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doc/langref.html.in
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@ -6330,6 +6330,22 @@ comptime {
TODO right now bool is not accepted. Also I think we could make non powers of 2 work fine, maybe TODO right now bool is not accepted. Also I think we could make non powers of 2 work fine, maybe
we can remove this restriction we can remove this restriction
</p> </p>
<p>
Supported operations:
</p>
<ul>
<li>{#syntax#}.Xchg{#endsyntax#} - stores the operand unmodified.</li>
<li>{#syntax#}.Add{#endsyntax#} - for integers, twos complement wraparound addition.
Also supports {#link|Floats#}.</li>
<li>{#syntax#}.Sub{#endsyntax#} - for integers, twos complement wraparound subtraction.
Also supports {#link|Floats#}.</li>
<li>{#syntax#}.And{#endsyntax#} - bitwise and</li>
<li>{#syntax#}.Nand{#endsyntax#} - bitwise nand</li>
<li>{#syntax#}.Or{#endsyntax#} - bitwise or</li>
<li>{#syntax#}.Xor{#endsyntax#} - bitwise xor</li>
<li>{#syntax#}.Max{#endsyntax#} - stores the operand if it is larger. Supports integers and floats.</li>
<li>{#syntax#}.Min{#endsyntax#} - stores the operand if it is smaller. Supports integers and floats.</li>
</ul>
{#header_close#} {#header_close#}
{#header_open|@bitCast#} {#header_open|@bitCast#}
<pre>{#syntax#}@bitCast(comptime DestType: type, value: var) DestType{#endsyntax#}</pre> <pre>{#syntax#}@bitCast(comptime DestType: type, value: var) DestType{#endsyntax#}</pre>