Re: documentation of ipa additions.

[Kenneth Zadeck <zadeck at naturalbridge dot com>]

second try.

kenny

Jan Hubicka wrote:
> > I did not document these flags in the initial patch.
> >    
> Hi,
> unit-at-a-time is now enabled by defualt -O1 for C too, so your
> documentation can probably be simplified.
>
> Honza
>  
> > kenny
> >
> >    
>
>  
> > Index: invoke.texi
> > ===================================================================
> > RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
> > retrieving revision 1.648
> > diff -u -p -r1.648 invoke.texi
> > --- invoke.texi	13 Jul 2005 09:38:44 -0000	1.648
> > +++ invoke.texi	18 Jul 2005 16:08:46 -0000
> > @@ -305,7 +305,9 @@ Objective-C and Objective-C++ Dialects}.
> > -fforce-addr  -ffunction-sections @gol
> > -fgcse  -fgcse-lm  -fgcse-sm  -fgcse-las  -fgcse-after-reload @gol
> > -floop-optimize -fcrossjumping  -fif-conversion  -fif-conversion2 @gol
> > --finline-functions  -finline-limit=@var{n}  -fkeep-inline-functions @gol
> > +-finline-functions  -finline-limit=@var{n} @gol 
> > +-fipa-pure-const -fipa-reference -fipa-type-escape  @gol
> > +-fkeep-inline-functions @gol
> > -fkeep-static-consts  -fmerge-constants  -fmerge-all-constants @gol
> > -fmodulo-sched -fno-branch-count-reg @gol
> > -fno-default-inline  -fno-defer-pop -floop-optimize2 -fmove-loop-invariants @gol
> > @@ -4877,6 +4879,21 @@ those which have no call-preserved regis
> >
> > Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
> >
> > +@item -fipa-pure-const .  
> > +Discover pure and const functions.  This flag is enabled by default at
> > +@option{-O2} and above for C and at @option{-O1} and above for other
> > +languages.
> > +
> > +@item -fipa-reference 
> > +Perform analysis on the static references.  This flag is
> > +enabled by default at @option{-O2} and above for C and at @option{-O1}
> > +and above for other languages.
> > +
> > +@item -fipa-type-escape
> > +Perform type escape analysis.  This flag is enabled by default at
> > +@option{-O2} and above for C and at @option{-O1} and above for other
> > +languages.
> > +
> > @item -ftree-pre
> > Perform Partial Redundancy Elimination (PRE) on trees.  This flag is
> > enabled by default at @option{-O2} and @option{-O3}.
> >    
Index: invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.648
diff -u -p -r1.648 invoke.texi
--- invoke.texi	13 Jul 2005 09:38:44 -0000	1.648
+++ invoke.texi	19 Jul 2005 00:28:55 -0000
@@ -305,7 +305,9 @@ Objective-C and Objective-C++ Dialects}.
 -fforce-addr  -ffunction-sections @gol
 -fgcse  -fgcse-lm  -fgcse-sm  -fgcse-las  -fgcse-after-reload @gol
 -floop-optimize -fcrossjumping  -fif-conversion  -fif-conversion2 @gol
--finline-functions  -finline-limit=@var{n}  -fkeep-inline-functions @gol
+-finline-functions  -finline-limit=@var{n} @gol 
+-fipa-pure-const -fipa-reference -fipa-type-escape  @gol
+-fkeep-inline-functions @gol
 -fkeep-static-consts  -fmerge-constants  -fmerge-all-constants @gol
 -fmodulo-sched -fno-branch-count-reg @gol
 -fno-default-inline  -fno-defer-pop -floop-optimize2 -fmove-loop-invariants @gol
@@ -4877,6 +4879,18 @@ those which have no call-preserved regis
 
 Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
 
+@item -fipa-pure-const .  
+Discover pure and const functions.  This flag is enabled by default at
+@option{-O1} and above.
+
+@item -fipa-reference 
+Perform analysis on the static references.  This flag is enabled by
+default at @option{-O1} and above.
+
+@item -fipa-type-escape
+Perform type escape analysis.  This flag is enabled by default at
+@option{-O1} and above.
+
 @item -ftree-pre
 Perform Partial Redundancy Elimination (PRE) on trees.  This flag is
 enabled by default at @option{-O2} and @option{-O3}.