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| author | Jan Hubicka <jh@suse.cz> | 2003-12-23 18:55:33 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2003-12-23 17:55:33 +0000 |
| commit | a8a5f53add9eb69aa49b92622e74e3b091d6b386 (patch) | |
| tree | a3f9b4f94640a92d66ad7856e0e19eb1b7435ae0 /gcc/doc/invoke.texi | |
| parent | 57702a80e805859260710953242bf87c08f5c410 (diff) | |
| download | gcc-a8a5f53add9eb69aa49b92622e74e3b091d6b386.zip gcc-a8a5f53add9eb69aa49b92622e74e3b091d6b386.tar.gz gcc-a8a5f53add9eb69aa49b92622e74e3b091d6b386.tar.bz2 | |
common.opt (fprofile-generate,fprofile-use): Add.
* common.opt (fprofile-generate,fprofile-use): Add.
* gcc.c (LINK_COMMAND_SPEC): Arrange -fprofile-generate to imply -lgcov
* opts.c (profile_arc_flag_set, flag_profile_values_set,
flag_unroll_loops_set, flag_tracer_set,
flag_value_profile_transformations_set,
flag_peel_loops_set): New static variables.
(common_handle_option): Deal with -fprofile-generate/-fprofile-use
* invoke.texi (-fprofile-generate, -fprofile-use): Describe.
From-SVN: r74976
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index db5c0b0..88e8c67 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -281,6 +281,7 @@ in the following sections. -fno-trapping-math -fno-zero-initialized-in-bss @gol -fomit-frame-pointer -foptimize-register-move @gol -foptimize-sibling-calls -fprefetch-loop-arrays @gol +-fprofile-generate -fprofile-use @gol -freduce-all-givs -fregmove -frename-registers @gol -freorder-blocks -freorder-functions @gol -frerun-cse-after-loop -frerun-loop-opt @gol @@ -4377,6 +4378,21 @@ and occasionally eliminate the copy. 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} + +@item -fprofile-use +@opindex fprofile-use +Enable profile feedback directed optimizations, and optimizations +generally profitable only with profile feedback available. + +The following options are enabled: @code{-fbranch-probabilities}, +@code{-fvpt}, @code{-funroll-loops}, @code{-fpeel-loops}, @code{-ftracer}. + @end table The following options control compiler behavior regarding floating |