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| author | Michael Meissner <meissner@linux.vnet.ibm.com> | 2011-07-05 17:45:38 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 2011-07-05 17:45:38 +0000 |
| commit | 3aa439ed17d7339192493926fd7e2562dd2bdf32 (patch) | |
| tree | 095ec451919656cb15be5b1220e74f1a6d565dc4 /gcc/doc | |
| parent | fb237f9c64aee0430a51aefd60a5ca498d2dca40 (diff) | |
| download | gcc-3aa439ed17d7339192493926fd7e2562dd2bdf32.zip gcc-3aa439ed17d7339192493926fd7e2562dd2bdf32.tar.gz gcc-3aa439ed17d7339192493926fd7e2562dd2bdf32.tar.bz2 | |
Add --param case-values-threshold
From-SVN: r175878
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 1fc4038..c5e369a 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -9026,6 +9026,11 @@ The maximum number of conditional stores paires that can be sunk. Set to 0 if either vectorization (@option{-ftree-vectorize}) or if-conversion (@option{-ftree-loop-if-convert}) is disabled. The default is 2. +@item case-values-threshold +The smallest number of different values for which it is best to use a +jump-table instead of a tree of conditional branches. If the value is +0, use the default for the machine. The default is 0. + @end table @end table |