44 lines
1.4 KiB
OCaml
44 lines
1.4 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1997 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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(* Instruction selection for the Mips processor *)
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open Misc
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open Cmm
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open Reg
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open Arch
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open Mach
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class selector = object
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inherit Selectgen.selector_generic
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method is_immediate (n : int) = true
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method select_addressing = function
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Cconst_symbol s ->
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(Ibased(s, 0), Ctuple [])
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| Cop(Cadda, [Cconst_symbol s; Cconst_int n]) ->
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(Ibased(s, n), Ctuple [])
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| Cop(Cadda, [arg; Cconst_int n]) ->
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(Iindexed n, arg)
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| Cop(Cadda, [arg1; Cop(Caddi, [arg2; Cconst_int n])]) ->
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(Iindexed n, Cop(Cadda, [arg1; arg2]))
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| arg ->
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(Iindexed 0, arg)
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end
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let fundecl f = (new selector)#emit_fundecl f
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