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| author | Mark Mitchell <mark@codesourcery.com> | 2004-04-18 23:17:28 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2004-04-18 23:17:28 +0000 |
| commit | 33adcb6c49921975f4c578f41201eb85ed2348d4 (patch) | |
| tree | bc7bad2603498059f619b50519bb22f61595e80b /gcc | |
| parent | fea77ed93807556cff6de3fc419bf1c64a12e36e (diff) | |
| download | gcc-33adcb6c49921975f4c578f41201eb85ed2348d4.zip gcc-33adcb6c49921975f4c578f41201eb85ed2348d4.tar.gz gcc-33adcb6c49921975f4c578f41201eb85ed2348d4.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 9 |
2 files changed, 10 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 859dd06..d7b78c3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2004-04-18 Mark Mitchell <mark@codesourcery.com> + 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 1529194..570e8e7 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 |