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author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-04-20 07:54:52 +0000 |
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committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-04-20 07:54:52 +0000 |
commit | 255cee09b71255051c2b40eae0c88bffce1f6f32 (patch) | |
tree | 7951b1b13e8fd5e525b9223e8be0580e83550f55 /cfrontend/Clight.v | |
parent | 6e5041958df01c56762e90770abd704b95a36e5d (diff) | |
download | compcert-255cee09b71255051c2b40eae0c88bffce1f6f32.tar.gz compcert-255cee09b71255051c2b40eae0c88bffce1f6f32.zip |
Big merge of the newregalloc-int64 branch. Lots of changes in two directions:
1- new register allocator (+ live range splitting, spilling&reloading, etc)
based on a posteriori validation using the Rideau-Leroy algorithm
2- support for 64-bit integer arithmetic (type "long long").
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2200 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'cfrontend/Clight.v')
-rw-r--r-- | cfrontend/Clight.v | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cfrontend/Clight.v b/cfrontend/Clight.v index e9ec7cc7..3bd06dff 100644 --- a/cfrontend/Clight.v +++ b/cfrontend/Clight.v @@ -48,6 +48,7 @@ Require Import Cop. Inductive expr : Type := | Econst_int: int -> type -> expr (**r integer literal *) | Econst_float: float -> type -> expr (**r float literal *) + | Econst_long: int64 -> type -> expr (**r long integer literal *) | Evar: ident -> type -> expr (**r variable *) | Etempvar: ident -> type -> expr (**r temporary variable *) | Ederef: expr -> type -> expr (**r pointer dereference (unary [*]) *) @@ -68,6 +69,7 @@ Definition typeof (e: expr) : type := match e with | Econst_int _ ty => ty | Econst_float _ ty => ty + | Econst_long _ ty => ty | Evar _ ty => ty | Etempvar _ ty => ty | Ederef _ ty => ty @@ -347,6 +349,8 @@ Inductive eval_expr: expr -> val -> Prop := eval_expr (Econst_int i ty) (Vint i) | eval_Econst_float: forall f ty, eval_expr (Econst_float f ty) (Vfloat f) + | eval_Econst_long: forall i ty, + eval_expr (Econst_long i ty) (Vlong i) | eval_Etempvar: forall id ty v, le!id = Some v -> eval_expr (Etempvar id ty) v |