manpage: -E was missing all that time in there

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

diff --git a/doc/gmqcc.1 b/doc/gmqcc.1
index 2a38e2a9de7f644215365a99480b3431748a72b0..74cdda4f72e7fdd9a876a0669f0db1b13a8640fd 100644 (file)
--- a/doc/gmqcc.1
+++ b/doc/gmqcc.1
@@ -55,6 +55,10 @@ Be less verbose. In particular removes the messages about which files
 are being processed, and which compilation mode is being used, and
 some others. Warnings and errors will of course still be displayed.
 .TP
+.B "-E"
+Run only the preprocessor as if -fftepp was used and print the
+preprocessed code to stdout.
+.TP
 .BI -W warning "\fR, " "" -Wno- warning
 Enable or disable a warning.
 .TP
@@ -142,6 +146,19 @@ them.
 .fi
 .in
 .TP
+.B "--add-info"
+Adds compiler information to the generated binary file. Currently
+this includes the following globals:
+.RS
+.IP "reserved:version"
+String containing the compiler version as printed by the --version
+parameter.
+.RE
+.TP
+.BR "--correct" ", " "--no-correct"
+When enabled, errors about undefined values try to suggest an existing
+value via spell checking.
+.TP
 .B "-dump"
 DEBUG OPTION. Print the code's intermediate representation before the
 optimization and finalization passes to stdout before generating the
@@ -467,6 +484,28 @@ Various effects, usually to weaken some conditions.
 .IP "with -funtyped-nil"
 Allow local variables named 'nil'. (This will not allow declaring a
 global of that name.)
+.RE
+.TP
+.B -fvariadic-args
+Allow variadic parameters to be accessed by QC code. This can be
+achieved via the '...' function, which takes a parameter index and a
+typename.
+
+Example:
+.sp
+.in +4
+.nf
+void vafunc(string...count) {
+    float i;
+    for (i = 0; i < count; ++i)
+        print(...(i, string), "\\n");
+}
+.fi
+.in
+.TP -flegacy-vector-maths
+Most Quake VMs, including the one from FTEQW or up till recently
+Darkplaces, do not cope well with vector instructions with overlapping
+input and output. This option will avoid producing such code.
 .SH OPTIMIZATIONS
 .TP
 .B -Opeephole