diff options
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/Clflags.ml | 1 | ||||
| -rw-r--r-- | driver/Driver.ml | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/driver/Clflags.ml b/driver/Clflags.ml index fa17c2d9..1f31bd3e 100644 --- a/driver/Clflags.ml +++ b/driver/Clflags.ml @@ -115,4 +115,5 @@ let option_inline_auto_threshold = ref 0 let option_profile_arcs = ref false let option_fbranch_probabilities = ref true let option_debug_compcert = ref 0 +let option_regpres_threshold = ref 5 let main_function_name = ref "main" diff --git a/driver/Driver.ml b/driver/Driver.ml index 5a8c7f2c..fa187f26 100644 --- a/driver/Driver.ml +++ b/driver/Driver.ml @@ -211,6 +211,7 @@ Processing options: -fprepass Perform prepass scheduling (only on some architectures) [on] -fprepass= <optim> Perform postpass scheduling with the specified optimization [list] (<optim>=list: list scheduling, <optim>=revlist: reverse list scheduling, <optim>=regpres: list scheduling aware of register pressure, <optim>=zigzag: zigzag scheduling, <optim>=ilp: ILP, <optim>=greedy: just packing bundles) + -regpres-threshold n With `-fprepass= regpres`, set threshold value for number of free registers before trying to decrease register pressure -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) @@ -342,6 +343,7 @@ let cmdline_actions = Exact "-fprofile-use=", String (fun s -> Profilingaux.load_profiling_info s); Exact "-finline-auto-threshold", Integer (fun n -> option_inline_auto_threshold := n); Exact "-debug-compcert", Integer (fun n -> option_debug_compcert := n); + Exact "-regpres-threshold", Integer (fun n -> option_regpres_threshold := n); Exact "-fsmall-data", Integer(fun n -> option_small_data := n); Exact "-fsmall-const", Integer(fun n -> option_small_const := n); Exact "-ffloat-const-prop", Integer(fun n -> option_ffloatconstprop := n); |