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| author | meissner <meissner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-07-05 17:45:38 +0000 |
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| committer | meissner <meissner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-07-05 17:45:38 +0000 |
| commit | 7e0c8808c5db75b74b90605776ba2b8bfc098483 (patch) | |
| tree | 095ec451919656cb15be5b1220e74f1a6d565dc4 /gcc/params.def | |
| parent | 58fdaa6da29a1d21502de2fd1d58b824d4a0d592 (diff) | |
| download | gcc-7e0c8808c5db75b74b90605776ba2b8bfc098483.tar.gz | |
Add --param case-values-threshold
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175878 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index d827121f86c..78601f6de88 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -892,6 +892,16 @@ DEFPARAM (PARAM_MAX_STORES_TO_SINK, "Maximum number of conditional store pairs that can be sunk", 2, 0, 0) +/* Override CASE_VALUES_THRESHOLD of when to switch from doing switch + statements via if statements to using a table jump operation. If the value + is 0, the default CASE_VALUES_THRESHOLD will be used. */ +DEFPARAM (PARAM_CASE_VALUES_THRESHOLD, + "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 0, use the default for the machine", + 0, 0, 0) + /* Local variables: |