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| -rw-r--r-- | docs/LangRef.html | 13 |
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diff --git a/docs/LangRef.html b/docs/LangRef.html index a5a490e325..0d19f0af02 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -464,6 +464,19 @@ the future:</p> prototype and implemented declaration of the function (as does normal C). </dd> + <dt><b>"<tt>csretcc</tt>" - The C struct return calling convention</b>:</dt> + + <dd>This calling convention matches the target C calling conventions, except + that functions with this convention are required to take a pointer as their + first argument, and the return type of the function must be void. This is + used for C functions that return aggregates by-value. In this case, the + function has been transformed to take a pointer to the struct as the first + argument to the function. For targets where the ABI specifies specific + behavior for structure-return calls, the calling convention can be used to + distinguish between struct return functions and other functions that take a + pointer to a struct as the first argument. + </dd> + <dt><b>"<tt>fastcc</tt>" - The fast calling convention</b>:</dt> <dd>This calling convention attempts to make calls as fast as possible |