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diff docs/manual.docbook.sgml @ 455:cad5937314cb
Add operandsizewarning pragma
Add operandsizewarning pragma that will raise warnings for certain operands
if the operand size could be smaller. (Long branch used instead of short
branch, for instance.)
| author | William Astle <lost@l-w.ca> |
|---|---|
| date | Fri, 16 Feb 2018 22:53:46 -0700 |
| parents | 6b19418c465c |
| children | e97f9a302c6a |
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--- a/docs/manual.docbook.sgml Fri Feb 16 22:52:44 2018 -0700 +++ b/docs/manual.docbook.sgml Fri Feb 16 22:53:46 2018 -0700 @@ -1975,6 +1975,22 @@ </varlistentry> <varlistentry> +<term>operandsizewarning</term> +<listitem> + +<para>Enabling this pragma will cause LWASM to show a warning when it +detects that a smaller addressing mode could be used for an instruction. +This is particularly useful for finding places where long branches are used +where short branches could be used instead. It will also show the warnings +for indexing offsets (regardless of whether the operand size is +forced).</para> + +<para>As of LWASM 4.16, no other checks are performed.</para> + +</listitem> +</varlistentry> + +<varlistentry> <term>qrts</term> <listitem> <para>