41 lines
1.5 KiB
OCaml
41 lines
1.5 KiB
OCaml
(**************************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Gallium, INRIA Rocquencourt *)
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(* *)
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(* Copyright 2014 Institut National de Recherche en Informatique et *)
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(* en Automatique. *)
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(* *)
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(* All rights reserved. This file is distributed under the terms of *)
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(* the GNU Lesser General Public License version 2.1, with the *)
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(* special exception on linking described in the file LICENSE. *)
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(* *)
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(**************************************************************************)
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(* CSE for ARM *)
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open Arch
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open Mach
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open CSEgen
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class cse = object (self)
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inherit cse_generic as super
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method! class_of_operation op =
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match op with
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| Ispecific(Ishiftcheckbound _) -> Op_checkbound
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| Ispecific _ -> Op_pure
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| _ -> super#class_of_operation op
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method! is_cheap_operation op =
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match op with
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| Iconst_int n | Iconst_blockheader n -> n <= 255n && n >= 0n
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| _ -> false
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end
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let fundecl f =
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(new cse)#fundecl f
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