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invoke.texi (-fprofile-arcs): Mention -lgcov, locking and fork behaviour.

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* doc/invoke.texi (-fprofile-arcs): Mention -lgcov, locking and
	fork behaviour.

From-SVN: r65813
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Nathan Sidwell 2003-04-19 11:43:31 +00:00 committed by Nathan Sidwell
parent cb4cfe5dc1
commit 8555daffa5
2 changed files with 12 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-04-19 Nathan Sidwell <nathan@codesourcery.com>
* doc/invoke.texi (-fprofile-arcs): Mention -lgcov, locking and
fork behaviour.
2003-04-19 Neil Booth <neil@daikokuya.co.uk> 2003-04-19 Neil Booth <neil@daikokuya.co.uk>
* cppexp.c (eval_token): Permit true and false even if pedantic. * cppexp.c (eval_token): Permit true and false even if pedantic.

9
gcc/doc/invoke.texi
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@ -3032,11 +3032,16 @@ additional @option{-ftest-coverage} option. You do not need to profile
every source file in a program. every source file in a program.
@item @item
Link your object files as normal. Link your object files with @option{-lgcov} or @option{-fprofile-arcs}
(the latter implies the former).
@item @item
Run the program on a representative workload to generate the arc profile Run the program on a representative workload to generate the arc profile
information. This may be repeated any number of times. information. This may be repeated any number of times. You can run
concurrent instances of your program, and provided that the file system
supports locking, the data files will be correctly updated. Also
@code{fork} calls are detected and correctly handled (double counting
will not happen).
@item @item
For profile-directed optimizations, compile the source files again with For profile-directed optimizations, compile the source files again with