From 33adcb6c49921975f4c578f41201eb85ed2348d4 Mon Sep 17 00:00:00 2001 From: Mark Mitchell Date: Sun, 18 Apr 2004 23:17:28 +0000 Subject: [PATCH] re PR other/14918 (-fprofile-generate should be documented as necessary for linking) PR other/14918 * doc/invoke.texi (-fprofile-generate): Document requirement to use -fprofile-generate when linking. From-SVN: r80830 --- gcc/ChangeLog | 4 ++++ gcc/doc/invoke.texi | 9 ++++++--- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 859dd06e8f2..d7b78c3afe1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2004-04-18 Mark Mitchell + PR other/14918 + * doc/invoke.texi (-fprofile-generate): Document requirement to + use -fprofile-generate when linking. + * doc/extend.texi (Strong Using): Warn users against using this feature. diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 152919406d8..570e8e7f9e1 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4378,10 +4378,13 @@ Disabled at levels @option{-O}, @option{-O2}, @option{-O3}, @option{-Os}. @item -fprofile-generate @opindex fprofile-generate -Enable options usually used for instrumenting application to produce profile usefull -for later recompilation profile feedback based optimization. -The following options are enabled: @code{-fprofile-arcs}, @code{-fprofile-values}, @code{-fvpt} +Enable options usually used for instrumenting application to produce +profile useful for later recompilation with profile feedback based +optimization. You must use @code{-fprofile-generate} both when +compiling and when linking your program. + +The following options are enabled: @code{-fprofile-arcs}, @code{-fprofile-values}, @code{-fvpt}. @item -fprofile-use @opindex fprofile-use -- 2.30.2