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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-03-17 21:12:23 +0100 |
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| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-03-17 21:12:23 +0100 |
| commit | a9cd8d42803abc6b17e6df050f7a22a5d6881efe (patch) | |
| tree | 802756c44d021539d982250859e59686d0fbde15 /driver | |
| parent | 6803d06880b0ecda94d70549b61998db84160e5b (diff) | |
| parent | fb43d1078c0b0824132b30d7dd9bfe6b0ac47122 (diff) | |
| download | compcert-kvx-a9cd8d42803abc6b17e6df050f7a22a5d6881efe.tar.gz compcert-kvx-a9cd8d42803abc6b17e6df050f7a22a5d6881efe.zip | |
Merge remote-tracking branch 'origin/mppa-work' into mppa-cse3
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/Clflags.ml | 2 | ||||
| -rw-r--r-- | driver/Driver.ml | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/driver/Clflags.ml b/driver/Clflags.ml index 901aaa59..ff2647a7 100644 --- a/driver/Clflags.ml +++ b/driver/Clflags.ml @@ -30,7 +30,7 @@ let option_fcse2 = ref false let option_fcse3 = ref true let option_fcse3_alias_analysis = ref true let option_fredundancy = ref true -let option_fduplicate = ref 0 +let option_fduplicate = ref (-1) let option_finvertcond = ref true let option_ftracelinearize = ref false let option_fpostpass = ref true diff --git a/driver/Driver.ml b/driver/Driver.ml index 5ae31a1f..b167dbd1 100644 --- a/driver/Driver.ml +++ b/driver/Driver.ml @@ -203,7 +203,11 @@ 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 |