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| author | Sylvestre Ledru <sylvestre@debian.org> | 2016-11-11 17:29:56 +0000 |
|---|---|---|
| committer | Sylvestre Ledru <sylvestre@debian.org> | 2016-11-11 17:29:56 +0000 |
| commit | 14bfc9e99e6e6903b09480a22c153032be77ae4e (patch) | |
| tree | f2f93ad5eb8ae976141ad4653ce4ca4e745eb718 /docs/CommandGuide | |
| parent | 2464f11bd83611babf4afcd58ccc1ae85c899599 (diff) | |
| download | clang-14bfc9e99e6e6903b09480a22c153032be77ae4e.tar.gz | |
Add a new optimization option -Og
Summary:
Just like gcc, we should have the -Og option as more and more software are using it:
https://llvm.org/bugs/show_bug.cgi?id=20765
Reviewers: echristo, dberlin, dblaikie, keith.walker.arm, rengolin
Subscribers: aprantl, friss, mehdi_amini, RKSimon, probinson, majnemer, cfe-commits
Differential Revision: https://reviews.llvm.org/D24998
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@286602 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CommandGuide')
| -rw-r--r-- | docs/CommandGuide/clang.rst | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/CommandGuide/clang.rst b/docs/CommandGuide/clang.rst index c71544915e..8aade1a6ab 100644 --- a/docs/CommandGuide/clang.rst +++ b/docs/CommandGuide/clang.rst @@ -226,7 +226,7 @@ number of cross compilers, or may only support a native target. Code Generation Options ~~~~~~~~~~~~~~~~~~~~~~~ -.. option:: -O0, -O1, -O2, -O3, -Ofast, -Os, -Oz, -O, -O4 +.. option:: -O0, -O1, -O2, -O3, -Ofast, -Os, -Oz, -Og, -O, -O4 Specify which optimization level to use: @@ -252,6 +252,9 @@ Code Generation Options :option:`-Oz` Like :option:`-Os` (and thus :option:`-O2`), but reduces code size further. + :option:`-Og` Like :option:`-O1`. In future versions, this option might + disable different optimizations in order to improve debuggability. + :option:`-O` Equivalent to :option:`-O2`. :option:`-O4` and higher |