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| author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2008-12-29 12:47:56 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2008-12-29 12:47:56 +0000 |
| commit | 12421d717405aa7964e437fc1167a23699b61ecc (patch) | |
| tree | 99b975380440ad4e91074f918ee781ec6383f0ce /backend/Cminor.v | |
| parent | dc4bed2cf06f46687225275131f411c86c773598 (diff) | |
| download | compcert-kvx-12421d717405aa7964e437fc1167a23699b61ecc.tar.gz compcert-kvx-12421d717405aa7964e437fc1167a23699b61ecc.zip | |
Replace cast{8,16}{signed,unsigned} with zero_ext and sign_ext.
lib/Integers.v: added more properties for ARM port.
lib/Coqlib.v: added more properties for division and powers of 2.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@928 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'backend/Cminor.v')
| -rw-r--r-- | backend/Cminor.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/backend/Cminor.v b/backend/Cminor.v index 910eaa44..b6186f2e 100644 --- a/backend/Cminor.v +++ b/backend/Cminor.v @@ -230,10 +230,10 @@ Definition eval_constant (sp: val) (cst: constant) : option val := Definition eval_unop (op: unary_operation) (arg: val) : option val := match op, arg with - | Ocast8unsigned, _ => Some (Val.cast8unsigned arg) - | Ocast8signed, _ => Some (Val.cast8signed arg) - | Ocast16unsigned, _ => Some (Val.cast16unsigned arg) - | Ocast16signed, _ => Some (Val.cast16signed arg) + | Ocast8unsigned, _ => Some (Val.zero_ext 8 arg) + | Ocast8signed, _ => Some (Val.sign_ext 8 arg) + | Ocast16unsigned, _ => Some (Val.zero_ext 16 arg) + | Ocast16signed, _ => Some (Val.sign_ext 16 arg) | Onegint, Vint n1 => Some (Vint (Int.neg n1)) | Onotbool, Vint n1 => Some (Val.of_bool (Int.eq n1 Int.zero)) | Onotbool, Vptr b1 n1 => Some Vfalse |