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| -rw-r--r-- | backend/Lineartyping.v | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/backend/Lineartyping.v b/backend/Lineartyping.v index 3085f96..f1e3d41 100644 --- a/backend/Lineartyping.v +++ b/backend/Lineartyping.v @@ -39,6 +39,13 @@ Require Import Linear. (** * Tracking the flow of single-precision floats *) +(** At each program point, we infer a set of machine registers + that are guaranteed to contain single-precision floats. + The inference is a simple forward dataflow analysis, iterating on the + list of instructions until a fixpoint is reached. The result of + the analysis is a map from labels to sets of machine registers + containing single-precision floats. *) + Module OrderedMreg := OrderedIndexed(IndexedMreg). Module Regset := FSetAVL.Make(OrderedMreg). |