Re: [tree-ssa mudflap] ignore-reads speedup, bug fixes

["Frank Ch. Eigler" <fche at redhat dot com>]

Hi -

... and here are those extra invoke.texi words.


Index: doc/invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.152.2.67
diff -r1.152.2.67 invoke.texi
273c273
< -fbounds-check -fmudflap @gol
---
> -fbounds-check -fmudflap -fmudflapth -fmudflapir @gol
3986c3986
< @item -fmudflap
---
> @item -fmudflap -fmudflapth -fmudflapir
3987a3988,3989
> @opindex fmudflapth
> @opindex fmudflapir
4000a4003,4010
> 
> Use @option{-fmudflapth} instead of @option{-fmudflap} to compile and to
> link if your program is multi-threaded.  Use @option{-fmudflapir}, in
> addition to @option{-fmudflap} or @option{-fmudflapth}, if
> instrumentation should ignore pointer reads.  This produces less
> instrumentation (and therefore faster execution) and still provides
> some protection against outright memory corrupting writes, but allows
> erroneously read data to propagate within a program.