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| author | davidxl <davidxl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-07-26 00:06:56 +0000 |
|---|---|---|
| committer | davidxl <davidxl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-07-26 00:06:56 +0000 |
| commit | d9e50003cdcadbf7e4f2564ebee9ad108633afd8 (patch) | |
| tree | b55990283764ae89e23d3c97dc21584d42c7a7c0 /gcc/params.def | |
| parent | 86f64bd9b87fd6ed7a0b653aac80cb1ba2c338a0 (diff) | |
| download | gcc-d9e50003cdcadbf7e4f2564ebee9ad108633afd8.tar.gz | |
Make FDO more tolerant to source changes
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@213068 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index 595a093a88c..cad00e222a5 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -874,6 +874,14 @@ DEFPARAM (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP, "Max basic blocks number in loop for loop invariant motion", 10000, 0, 0) +/* When the parameter is 1, use the internal function id + to look up for profile data. Otherwise, use a more stable + external id based on assembler name and source location. */ +DEFPARAM (PARAM_PROFILE_FUNC_INTERNAL_ID, + "profile-func-internal-id", + "use internal function id in profile lookup", + 0, 0, 1) + /* Avoid SLP vectorization of large basic blocks. */ DEFPARAM (PARAM_SLP_MAX_INSNS_IN_BB, "slp-max-insns-in-bb", |