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| author | Sandra Loosemore <sandra@codesourcery.com> | 2009-04-09 18:48:03 -0400 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2009-04-09 18:48:03 -0400 |
| commit | 8c70d28b4da7f0d7ed14425ec9ba6c3f99d25742 (patch) | |
| tree | 8c50ad28862305fdfadaf12a7a23dacd45a5eb8c /gcc/doc/invoke.texi | |
| parent | dc4e3423e329751b9436f93f5a038426a8c4a3f8 (diff) | |
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invoke.texi (Optimize Options): Add cross-reference to -Q --help=optimizers examples.
2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
gcc/
* doc/invoke.texi (Optimize Options): Add cross-reference to
-Q --help=optimizers examples.
From-SVN: r145864
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 28dd0cf..29ccb22 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -5372,7 +5372,13 @@ the compiler to use information gained from all of the files when compiling each of them. Not all optimizations are controlled directly by a flag. Only -optimizations that have a flag are listed. +optimizations that have a flag are listed in this section. + +Depending on the target and how GCC was configured, a slightly different +set of optimizations may be enabled at each @option{-O} level than +those listed here. You can invoke GCC with @samp{-Q --help=optimizers} +to find out the exact set of optimizations that are enabled at each level. +@xref{Overall Options}, for examples. @table @gcctabopt @item -O |