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author | Cyril SIX <cyril.six@kalray.eu> | 2020-03-17 15:12:06 +0100 |
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committer | Cyril SIX <cyril.six@kalray.eu> | 2020-03-17 15:12:06 +0100 |
commit | fb43d1078c0b0824132b30d7dd9bfe6b0ac47122 (patch) | |
tree | b51287fed668d9fd06ab98f19dfe454d4c6a27b4 /driver/Driver.ml | |
parent | aa2e3d776cb82ce01c4afdbacc52951e60ff2104 (diff) | |
download | compcert-kvx-fb43d1078c0b0824132b30d7dd9bfe6b0ac47122.tar.gz compcert-kvx-fb43d1078c0b0824132b30d7dd9bfe6b0ac47122.zip |
Desactivating branch predictions by default
Diffstat (limited to 'driver/Driver.ml')
-rw-r--r-- | driver/Driver.ml | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/driver/Driver.ml b/driver/Driver.ml index 01451e07..388482a0 100644 --- a/driver/Driver.ml +++ b/driver/Driver.ml @@ -201,7 +201,11 @@ Processing options: -fpostpass Perform postpass scheduling (only for K1 architecture) [on] -fpostpass= <optim> Perform postpass scheduling with the specified optimization [list] (<optim>=list: list scheduling, <optim>=ilp: ILP, <optim>=greedy: just packing bundles) - -fduplicate Perform tail duplication to form superblocks on predicted traces + -fduplicate <nb_nodes> Perform tail duplication to form superblocks on predicted traces + nb_nodes control the heuristic deciding to duplicate or not + A value of -1 desactivates the entire pass (including branch prediction) + A value of 0 desactivates the duplication (but activates the branch prediction) + FIXME : this is desactivated by default for now -finvertcond Invert conditions based on predicted paths (to prefer fallthrough). Requires -fduplicate to be also activated [on] -ftracelinearize Linearizes based on the traces identified by duplicate phase |