Merge branch 'master' of github.com:graphitemaster/gmqcc

[xonotic/gmqcc.git] / doc / gmqcc.1

diff --git a/doc/gmqcc.1 b/doc/gmqcc.1
index 78d767e26f384ae38e8e7394a0a0d607c9f90a50..f392cc3e1357060e6f7491fd8158b5e99f19a4a9 100644 (file)
--- a/doc/gmqcc.1
+++ b/doc/gmqcc.1
@@ -186,6 +186,9 @@ variables can be opened using
 .Ql #pragma noref 1
 and closed via
 .Ql #pragma noref 0 Ns .
+.It Fl W Ns Cm unused-component
+Generate a warning about vector variables which are declared but not all their
+components are used.
 .It Fl W Ns Cm used-uninitialized
 Generate a warning if it is possible that a variable can be used
 without prior initialization. Note that this warning is not
@@ -625,6 +628,13 @@ after all limited to 64k. There's at least one known codebase where this
 lowers the number of globals from over 80k down to around 3k. In other code
 bases it doesn't reduce the globals at all but only increases code size.
 Just try it and see whether it helps you.
+.It Fl f Ns Cm default-eraseable
+Force all expressions to be "eraseable" which permits the compiler to
+remove unused functions, variables and statements. This is equivlant to
+putting [[eraseable]] on all definitions. This is dangerous as it breaks
+auto cvars, definitions for functions the engine may be looking for and
+translatable strings. Instead, you can mark a definition with [[noerase]]
+to prevent this from happening.
 .El
 .Sh OPTIMIZATIONS
 .Bl -tag -width Ds