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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2015-04-23 14:49:30 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@inria.fr> | 2015-04-23 14:49:30 +0200 |
| commit | 5ad466befa609df178f04886484ee38b1a9c44ed (patch) | |
| tree | c2752db1bd09224cda15df4f3c3cf9dbc3c0dc8a /arm | |
| parent | 3ca2af08f068eb1edf638b8ef602b816823873e0 (diff) | |
| download | compcert-kvx-5ad466befa609df178f04886484ee38b1a9c44ed.tar.gz compcert-kvx-5ad466befa609df178f04886484ee38b1a9c44ed.zip | |
Take asm clobbers into account for determining callee-save registers used.
Diffstat (limited to 'arm')
| -rw-r--r-- | arm/Machregsaux.ml | 7 | ||||
| -rw-r--r-- | arm/Machregsaux.mli | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arm/Machregsaux.ml b/arm/Machregsaux.ml index 5486c4b4..3f7d0693 100644 --- a/arm/Machregsaux.ml +++ b/arm/Machregsaux.ml @@ -41,3 +41,10 @@ let can_reserve_register r = List.mem r Conventions1.int_callee_save_regs || List.mem r Conventions1.float_callee_save_regs +let mregs_of_clobber idl = + List.fold_left + (fun l c -> + match register_by_name (Camlcoq.extern_atom c) with + | Some r -> r :: l + | None -> l) + [] idl diff --git a/arm/Machregsaux.mli b/arm/Machregsaux.mli index 400c5abb..90343b5b 100644 --- a/arm/Machregsaux.mli +++ b/arm/Machregsaux.mli @@ -15,3 +15,4 @@ val register_by_name: string -> Machregs.mreg option val can_reserve_register: Machregs.mreg -> bool val name_of_register: Machregs.mreg -> string option +val mregs_of_clobber: Camlcoq.atom list -> Machregs.mreg list |