From: Wolfgang Bumiller Date: Mon, 14 Jan 2013 10:16:49 +0000 (+0100) Subject: manpage: -flegacy-vector-maths X-Git-Tag: before-library~262 X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=commitdiff_plain;h=0962dfdd4d0481e0777b08f6551bd744ca91effc manpage: -flegacy-vector-maths --- diff --git a/doc/gmqcc.1 b/doc/gmqcc.1 index fe4909b..5240c4e 100644 --- a/doc/gmqcc.1 +++ b/doc/gmqcc.1 @@ -498,6 +498,10 @@ void vafunc(string...count) { } .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