1 | |
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2 | include "basics/logic.ma". |
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3 | |
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4 | include "common/AST.ma". |
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5 | include "common/CostLabel.ma". |
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6 | include "common/FrontEndOps.ma". |
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7 | include "common/Registers.ma". |
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8 | |
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9 | include "ASM/Vector.ma". |
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10 | include "common/Graphs.ma". |
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11 | |
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12 | inductive statement : Type[0] ≝ |
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13 | | St_skip : label → statement |
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14 | | St_cost : costlabel → label → statement |
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15 | | St_const : register → cast → label → statement |
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16 | | St_op1 : unary_operation → register → register → label → statement |
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17 | | St_op2 : binary_operation → register → register → register → label → statement |
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18 | | St_load : memory_chunk → register → register → label → statement |
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19 | | St_store : memory_chunk → register → register → label → statement |
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20 | | St_call_id : ident → list register → option register → label → statement |
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21 | | St_call_ptr : register → list register → option register → label → statement |
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22 | | St_tailcall_id : ident → list register → statement |
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23 | | St_tailcall_ptr : register → list register → statement |
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24 | | St_cond : register → label → label → statement |
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25 | | St_jumptable : register → list label → statement |
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26 | | St_return : statement |
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27 | . |
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28 | |
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29 | record internal_function : Type[0] ≝ |
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30 | { f_labgen : universe LabelTag |
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31 | ; f_reggen : universe RegisterTag |
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32 | ; f_result : option (register × typ) |
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33 | ; f_params : list (register × typ) |
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34 | ; f_locals : list (register × typ) |
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35 | ; f_stacksize : nat |
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36 | ; f_graph : graph statement |
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37 | ; f_entry : label |
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38 | ; f_exit : label |
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39 | }. |
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40 | |
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41 | (* Note that the global variables will be initialised by the code in main |
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42 | by this stage. All initialisation data should only reserve space. *) |
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43 | |
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44 | definition RTLabs_program ≝ program (fundef internal_function) unit. |
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45 | |
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46 | (* TO CONSIDER: |
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47 | |
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48 | - removing most successor labels from the statements (bit icky, what about |
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49 | return and jump tables?) |
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50 | - seems like load and store ought to have types that control the size of the |
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51 | register list based on the addressing mode; similarly, memory_chunk and |
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52 | register are probably related. |
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53 | - label and register generation really tell us something about the sets of |
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54 | labels and register that may appear, perhaps it should be renamed, or the |
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55 | graph made dependent on them to make it obvious, etc. |
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56 | *) |
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