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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 fc166b3bbae3
children a71206ed966c
line wrap: on
line diff
--- a/docs/manual/x659.html	Fri Feb 16 22:52:44 2018 -0700
+++ b/docs/manual/x659.html	Fri Feb 16 22:53:46 2018 -0700
@@ -17,7 +17,7 @@
 HREF="x595.html"><LINK
 REL="NEXT"
 TITLE="Convenience Instructions"
-HREF="x795.html"></HEAD
+HREF="x800.html"></HEAD
 ><BODY
 CLASS="SECTION"
 BGCOLOR="#FFFFFF"
@@ -59,7 +59,7 @@
 ALIGN="right"
 VALIGN="bottom"
 ><A
-HREF="x795.html"
+HREF="x800.html"
 ACCESSKEY="N"
 >Next</A
 ></TD
@@ -198,7 +198,7 @@
 >These pragmas enable convenience instructions extending the 6809 and 6309
 instruction sets respectively. For more information, see 
 <A
-HREF="x795.html"
+HREF="x800.html"
 >Section 3.11</A
 >.</P
 ></DD
@@ -399,6 +399,19 @@
 applies when the assembler is left to guess what the operand size is.</P
 ></DD
 ><DT
+>operandsizewarning</DT
+><DD
+><P
+>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).</P
+><P
+>As of LWASM 4.16, no other checks are performed.</P
+></DD
+><DT
 >qrts</DT
 ><DD
 ><P
@@ -507,7 +520,7 @@
 ALIGN="right"
 VALIGN="top"
 ><A
-HREF="x795.html"
+HREF="x800.html"
 ACCESSKEY="N"
 >Next</A
 ></TD