[789] | 1 | include "RTLabs/syntax.ma". |
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| 2 | include "RTL/RTL.ma". |
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| 3 | include "common/AssocList.ma". |
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| 4 | include "common/Graphs.ma". |
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| 5 | |
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| 6 | definition add_graph ≝ |
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[793] | 7 | λl: label. |
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[789] | 8 | λstmt. |
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[793] | 9 | λp. |
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| 10 | let rtl_if_luniverse' ≝ rtl_if_luniverse p in |
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| 11 | let rtl_if_runiverse' ≝ rtl_if_runiverse p in |
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| 12 | let rtl_if_sig' ≝ rtl_if_sig p in |
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| 13 | let rtl_if_result' ≝ rtl_if_result p in |
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| 14 | let rtl_if_params' ≝ rtl_if_params p in |
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| 15 | let rtl_if_locals' ≝ rtl_if_locals p in |
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| 16 | let rtl_if_stacksize' ≝ rtl_if_stacksize p in |
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| 17 | let rtl_if_graph' ≝ add ? ? (rtl_if_graph p) l stmt in |
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| 18 | let rtl_if_entry' ≝ rtl_if_entry p in |
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| 19 | let rtl_if_exit' ≝ rtl_if_exit p in |
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| 20 | mk_rtl_internal_function rtl_if_luniverse' rtl_if_runiverse' rtl_if_sig' |
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| 21 | rtl_if_params' rtl_if_params' rtl_if_locals' |
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| 22 | rtl_if_stacksize' rtl_if_graph' rtl_if_entry' |
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| 23 | rtl_if_exit'. |
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[789] | 24 | |
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| 25 | definition fresh_label ≝ |
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| 26 | λdef. |
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[793] | 27 | match fresh LabelTag (rtl_if_luniverse def) with |
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[789] | 28 | [ OK lbl_univ ⇒ Some ? (\fst … lbl_univ) |
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| 29 | | Error ⇒ None ? |
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| 30 | ]. |
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| 31 | |
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[793] | 32 | axiom fresh_reg: rtl_internal_function → rtl_internal_function × register. |
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[789] | 33 | |
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[793] | 34 | let rec fresh_regs (def: rtl_internal_function) (n: nat) on n ≝ |
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[789] | 35 | match n with |
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| 36 | [ O ⇒ 〈def, [ ]〉 |
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| 37 | | S n ⇒ |
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| 38 | let 〈def, res〉 ≝ fresh_regs def n in |
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| 39 | let 〈def, r〉 ≝ fresh_reg def in |
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| 40 | 〈def, r :: res〉 |
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| 41 | ]. |
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| 42 | |
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| 43 | definition addr_regs ≝ |
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| 44 | λregs. |
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| 45 | match regs with |
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| 46 | [ cons hd tl ⇒ |
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| 47 | match tl with |
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| 48 | [ cons hd' tl' ⇒ Some (register × register) 〈hd, hd'〉 |
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| 49 | | nil ⇒ None (register × register) |
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| 50 | ] |
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| 51 | | nil ⇒ None (register × register) |
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| 52 | ]. |
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| 53 | |
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| 54 | inductive register_type: Type[0] ≝ |
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| 55 | | register_int: register → register_type |
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| 56 | | register_ptr: register → register → register_type. |
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| 57 | |
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| 58 | definition local_env ≝ assoc_list register register_type. |
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| 59 | |
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| 60 | definition initialize_local_env_internal ≝ |
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| 61 | λeq. |
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| 62 | λruniverse. |
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| 63 | λptrs. |
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| 64 | λlenv. |
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| 65 | λr. |
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| 66 | let fresh ≝ snd ? ? (fresh_reg runiverse) in |
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| 67 | let rt ≝ |
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| 68 | match member ? eq r ptrs with |
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| 69 | [ true ⇒ register_ptr r fresh |
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| 70 | | false ⇒ register_int r |
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| 71 | ] |
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| 72 | in |
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| 73 | assoc_list_add ? ? 〈r, rt〉 lenv. |
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| 74 | |
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| 75 | definition initialize_local_env ≝ |
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| 76 | λruniverse. |
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| 77 | λptrs. |
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| 78 | λregisters. |
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| 79 | foldl ? ? (initialize_local_env_internal (eq_identifier RegisterTag) runiverse ptrs) [ ] registers. |
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| 80 | |
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| 81 | definition filter_and_to_list_local_env_internal ≝ |
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| 82 | λlenv. |
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| 83 | λl. |
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| 84 | λr. |
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| 85 | match assoc_list_lookup ? ? r (eq_identifier RegisterTag) lenv with |
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| 86 | [ Some entry ⇒ |
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| 87 | match entry with |
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| 88 | [ register_ptr r1 r2 ⇒ (l @ [ r1; r2 ]) |
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| 89 | | register_int r ⇒ (l @ [ r ]) |
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| 90 | ] |
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| 91 | | None ⇒ [ ] (* dpm: should this be none? *) |
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| 92 | ]. |
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| 93 | |
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| 94 | definition filter_and_to_list_local_env ≝ |
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| 95 | λlenv. |
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| 96 | λregisters. |
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| 97 | foldl ? ? (filter_and_to_list_local_env_internal lenv) [ ] registers. |
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| 98 | |
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| 99 | definition list_of_register_type ≝ |
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| 100 | λrt. |
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| 101 | match rt with |
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| 102 | [ register_ptr r1 r2 ⇒ [ r1; r2 ] |
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| 103 | | register_int r ⇒ [ r ] |
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| 104 | ]. |
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| 105 | |
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| 106 | definition find_and_list ≝ |
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| 107 | λr. |
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| 108 | λlenv. |
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| 109 | match assoc_list_lookup ? ? r (eq_identifier RegisterTag) lenv with |
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| 110 | [ None ⇒ [ ] (* dpm: should this be none? *) |
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| 111 | | Some lkup ⇒ list_of_register_type lkup |
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| 112 | ]. |
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| 113 | |
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| 114 | definition find_and_list_args ≝ |
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| 115 | λargs. |
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| 116 | λlenv. |
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| 117 | map ? ? (λr. find_and_list r lenv) args. |
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| 118 | |
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| 119 | definition find_and_addr ≝ |
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| 120 | λr. |
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| 121 | λlenv. |
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| 122 | match find_and_list r lenv with |
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| 123 | [ cons hd tl ⇒ |
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| 124 | match tl with |
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| 125 | [ cons hd' tl' ⇒ Some ? 〈hd, hd'〉 |
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| 126 | | nil ⇒ None ? |
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| 127 | ] |
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| 128 | | nil ⇒ None ? (* dpm: was assert false *) |
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| 129 | ]. |
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| 130 | |
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| 131 | definition rtl_args ≝ |
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| 132 | λregs_list. |
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| 133 | λlenv. |
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| 134 | flatten ? (find_and_list_args regs_list lenv). |
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| 135 | |
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| 136 | definition change_label ≝ |
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| 137 | λlbl. |
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[793] | 138 | λstmt: rtl_statement. |
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[789] | 139 | match stmt with |
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| 140 | [ rtl_st_skip _ ⇒ rtl_st_skip lbl |
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| 141 | | rtl_st_cost cost_lbl _ ⇒ rtl_st_cost cost_lbl lbl |
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| 142 | | rtl_st_addr r1 r2 id _ ⇒ rtl_st_addr r1 r2 id lbl |
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| 143 | | rtl_st_stack_addr r1 r2 _ ⇒ rtl_st_stack_addr r1 r2 lbl |
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| 144 | | rtl_st_int r i _ ⇒ rtl_st_int r i lbl |
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| 145 | | rtl_st_move r1 r2 _ ⇒ rtl_st_move r1 r2 lbl |
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| 146 | | rtl_st_opaccs opaccs d s1 s2 _ ⇒ rtl_st_opaccs opaccs d s1 s2 lbl |
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| 147 | | rtl_st_op1 op1 d s _ ⇒ rtl_st_op1 op1 d s lbl |
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| 148 | | rtl_st_op2 op2 d s1 s2 _ ⇒ rtl_st_op2 op2 d s1 s2 lbl |
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| 149 | | rtl_st_clear_carry _ ⇒ rtl_st_clear_carry lbl |
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| 150 | | rtl_st_load d a1 a2 _ ⇒ rtl_st_load d a1 a2 lbl |
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| 151 | | rtl_st_store a1 a2 s _ ⇒ rtl_st_store a1 a2 s lbl |
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| 152 | | rtl_st_call_id f a r _ ⇒ rtl_st_call_id f a r lbl |
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| 153 | | rtl_st_call_ptr f1 f2 a r _ ⇒ rtl_st_call_ptr f1 f2 a r lbl |
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| 154 | | rtl_st_tailcall_id f a ⇒ rtl_st_tailcall_id f a |
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| 155 | | rtl_st_tailcall_ptr f1 f2 a ⇒ rtl_st_tailcall_ptr f1 f2 a |
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| 156 | | rtl_st_cond_acc r l1 l2 ⇒ rtl_st_cond_acc r l1 l2 |
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| 157 | | rtl_st_return r ⇒ rtl_st_return r |
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| 158 | | _ ⇒ ? |
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| 159 | ]. |
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| 160 | |
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[793] | 161 | let rec adds_graph (stmt_list: ?) (start_lbl: label) (dest_lbl: label) (def: rtl_internal_function) ≝ |
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[789] | 162 | match stmt_list with |
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[793] | 163 | [ nil ⇒ Some ? def |
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[789] | 164 | | cons hd tl ⇒ |
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| 165 | match tl with |
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[793] | 166 | [ nil ⇒ Some ? (add_graph start_lbl (change_label dest_lbl hd) def) |
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| 167 | | cons hd' tl' ⇒ |
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| 168 | let tmp_lbl ≝ fresh_label def in |
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| 169 | match tmp_lbl with |
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| 170 | [ None ⇒ None ? |
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| 171 | | Some tmp_lbl ⇒ |
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| 172 | let stmt ≝ change_label tmp_lbl hd in |
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| 173 | let def ≝ add_graph start_lbl stmt def in |
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| 174 | adds_graph tl tmp_lbl dest_lbl def |
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| 175 | ] |
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[789] | 176 | ] |
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| 177 | ]. |
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[793] | 178 | |
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[795] | 179 | (* dpm: had to lift this into option *) |
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[793] | 180 | let rec add_translates (translate_list: ?) (start_lbl: label) (dest_lbl: label) |
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| 181 | (def: ?) on translate_list ≝ |
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| 182 | match translate_list with |
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| 183 | [ nil ⇒ Some ? def |
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| 184 | | cons hd tl ⇒ |
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| 185 | match tl with |
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[795] | 186 | [ nil ⇒ hd start_lbl dest_lbl def |
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[793] | 187 | | cons hd' tl' ⇒ |
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| 188 | let tmp_lbl ≝ fresh_label def in |
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| 189 | match tmp_lbl with |
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| 190 | [ None ⇒ None ? |
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| 191 | | Some tmp_lbl ⇒ |
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[795] | 192 | match hd start_lbl tmp_lbl def with |
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| 193 | [ None ⇒ None ? |
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| 194 | | Some def ⇒ add_translates tl tmp_lbl dest_lbl def |
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| 195 | ] |
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[793] | 196 | ] |
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| 197 | ] |
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| 198 | ]. |
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| 199 | |
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[789] | 200 | |
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[793] | 201 | (* dpm: horrendous, use dependent types. |
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| 202 | length destr = length srcrs *) |
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| 203 | let rec translate_move (destrs: ?) (srcrs: ?) (start_lbl: label) |
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| 204 | (dest_lbl: label) (def: ?) ≝ |
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| 205 | match destrs with |
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| 206 | [ nil ⇒ |
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| 207 | match srcrs with |
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| 208 | [ nil ⇒ Some ? def |
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| 209 | | cons hd tl ⇒ None ? |
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| 210 | ] |
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| 211 | | cons hd tl ⇒ |
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| 212 | match srcrs with |
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| 213 | [ nil ⇒ None ? |
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| 214 | | cons hd' tl' ⇒ |
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| 215 | match tl with |
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| 216 | [ nil ⇒ |
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| 217 | match tl' with |
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| 218 | (* one element lists *) |
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| 219 | [ nil ⇒ Some ? (add_graph start_lbl (rtl_st_move hd hd' dest_lbl) def) |
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| 220 | | cons hd'' tl'' ⇒ None ? |
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| 221 | ] |
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| 222 | | cons hd'' tl'' ⇒ |
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| 223 | match tl' with |
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| 224 | [ nil ⇒ None ? |
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| 225 | (* multielement lists *) |
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| 226 | | cons hd''' tl''' ⇒ |
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| 227 | let tmp_lbl ≝ fresh_label def in |
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| 228 | match tmp_lbl with |
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| 229 | [ None ⇒ None ? |
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| 230 | | Some tmp_lbl ⇒ |
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| 231 | let def ≝ add_graph start_lbl (rtl_st_move hd hd' tmp_lbl) def in |
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| 232 | translate_move tl tl' tmp_lbl dest_lbl def |
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| 233 | ] |
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| 234 | ] |
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| 235 | ] |
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| 236 | ] |
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| 237 | ]. |
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| 238 | |
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| 239 | definition translate_cst ≝ |
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| 240 | λcst. |
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| 241 | λdestrs. |
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| 242 | λstart_lbl. |
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| 243 | λdest_lbl. |
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| 244 | λdef. |
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| 245 | match cst with |
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| 246 | [ cast_int i ⇒ |
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| 247 | match destrs with |
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| 248 | [ nil ⇒ None ? |
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| 249 | | cons hd tl ⇒ |
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| 250 | match tl with |
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| 251 | [ nil ⇒ Some ? (add_graph start_lbl (rtl_st_int hd i dest_lbl) def) |
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| 252 | | cons hd' tl' ⇒ None ? |
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| 253 | ] |
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| 254 | ] |
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| 255 | | cast_addr_symbol id ⇒ |
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| 256 | match destrs with |
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| 257 | [ nil ⇒ None ? |
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| 258 | | cons hd tl ⇒ |
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| 259 | match tl with |
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| 260 | [ nil ⇒ None ? |
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| 261 | | cons hd' tl' ⇒ |
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| 262 | Some ? (add_graph start_lbl (rtl_st_addr hd hd' id dest_lbl) def) |
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| 263 | ] |
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| 264 | ] |
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| 265 | | cast_stack_offset off ⇒ |
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| 266 | match destrs with |
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| 267 | [ nil ⇒ None ? |
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| 268 | | cons hd tl ⇒ |
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| 269 | match tl with |
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| 270 | [ nil ⇒ None ? |
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| 271 | | cons hd' tl' ⇒ |
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| 272 | let 〈def, tmpr〉 ≝ fresh_reg def in |
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| 273 | adds_graph [ |
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| 274 | rtl_st_stack_addr hd hd' start_lbl; |
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| 275 | rtl_st_int tmpr off start_lbl; |
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| 276 | rtl_st_op2 Add hd hd tmpr start_lbl; |
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| 277 | rtl_st_int tmpr (bitvector_of_nat ? 0) start_lbl; |
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| 278 | rtl_st_op2 Addc hd' hd' tmpr start_lbl |
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| 279 | ] start_lbl dest_lbl def |
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| 280 | ] |
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| 281 | ] |
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| 282 | | cast_float f ⇒ None ? |
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| 283 | ]. |
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| 284 | |
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| 285 | definition extract_singleton ≝ |
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| 286 | λA: Type[0]. |
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| 287 | λl: list A. |
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| 288 | match l with |
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| 289 | [ nil ⇒ None ? |
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| 290 | | cons hd tl ⇒ |
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| 291 | match tl with |
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| 292 | [ nil ⇒ Some ? hd |
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| 293 | | cons hd tl ⇒ None ? |
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| 294 | ] |
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| 295 | ]. |
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| 296 | |
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| 297 | definition extract_pair ≝ |
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| 298 | λA: Type[0]. |
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| 299 | λl: list A. |
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| 300 | match l with |
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| 301 | [ nil ⇒ None ? |
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| 302 | | cons hd tl ⇒ |
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| 303 | match tl with |
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| 304 | [ nil ⇒ None ? |
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| 305 | | cons hd' tl' ⇒ |
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| 306 | match tl' with |
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| 307 | [ nil ⇒ Some ? 〈hd, hd'〉 |
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| 308 | | cons hd'' tl'' ⇒ None ? |
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| 309 | ] |
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| 310 | ] |
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| 311 | ]. |
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| 312 | |
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| 313 | definition translate_op1 ≝ |
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| 314 | λop1. |
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| 315 | λdestrs. |
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| 316 | λsrcrs. |
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| 317 | λstart_lbl. |
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| 318 | λdest_lbl. |
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| 319 | λdef. |
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| 320 | match op1 with |
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| 321 | [ op_cast8_unsigned ⇒ translate_move destrs srcrs start_lbl dest_lbl def |
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| 322 | | op_cast8_signed ⇒ translate_move destrs srcrs start_lbl dest_lbl def |
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| 323 | | op_cast16_unsigned ⇒ translate_move destrs srcrs start_lbl dest_lbl def |
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| 324 | | op_cast16_signed ⇒ translate_move destrs srcrs start_lbl dest_lbl def |
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| 325 | | op_neg_int ⇒ |
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| 326 | let dstr ≝ extract_singleton ? destrs in |
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| 327 | let srcr ≝ extract_singleton ? srcrs in |
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| 328 | match dstr with |
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| 329 | [ None ⇒ None ? |
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| 330 | | Some dstr ⇒ |
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| 331 | match srcr with |
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| 332 | [ None ⇒ None ? |
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| 333 | | Some srcr ⇒ |
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| 334 | adds_graph [ |
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| 335 | rtl_st_op1 Cmpl dstr srcr start_lbl; |
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| 336 | rtl_st_op1 Inc dstr dstr start_lbl |
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| 337 | ] start_lbl dest_lbl def |
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| 338 | ] |
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| 339 | ] |
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| 340 | | op_not_int ⇒ |
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| 341 | let dstr ≝ extract_singleton ? destrs in |
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| 342 | let srcr ≝ extract_singleton ? srcrs in |
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| 343 | match dstr with |
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| 344 | [ None ⇒ None ? |
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| 345 | | Some dstr ⇒ |
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| 346 | match srcr with |
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| 347 | [ None ⇒ None ? |
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| 348 | | Some srcr ⇒ |
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| 349 | adds_graph [ |
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| 350 | rtl_st_op1 Cmpl dstr srcr start_lbl |
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| 351 | ] start_lbl dest_lbl def |
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| 352 | ] |
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| 353 | ] |
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| 354 | | op_id ⇒ translate_move destrs srcrs start_lbl dest_lbl def |
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| 355 | | op_ptr_of_int ⇒ |
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| 356 | let destr12 ≝ extract_pair ? destrs in |
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| 357 | let srcr ≝ extract_singleton ? srcrs in |
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| 358 | match destr12 with |
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| 359 | [ None ⇒ None ? |
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| 360 | | Some destr12 ⇒ |
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| 361 | let 〈destr1, destr2〉 ≝ destr12 in |
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| 362 | match srcr with |
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| 363 | [ None ⇒ None ? |
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| 364 | | Some srcr ⇒ |
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| 365 | adds_graph [ |
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| 366 | rtl_st_move destr1 srcr dest_lbl; |
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| 367 | rtl_st_int destr2 (bitvector_of_nat ? 0) start_lbl |
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| 368 | ] start_lbl dest_lbl def |
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| 369 | ] |
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| 370 | ] |
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| 371 | | op_int_of_ptr ⇒ |
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| 372 | let destr ≝ extract_singleton ? destrs in |
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| 373 | match destr with |
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| 374 | [ None ⇒ None ? |
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| 375 | | Some destr ⇒ |
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| 376 | match srcrs with |
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| 377 | [ nil ⇒ None ? |
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| 378 | | cons srcr tl ⇒ |
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| 379 | Some ? (add_graph start_lbl (rtl_st_move destr srcr dest_lbl) def) |
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| 380 | ] |
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| 381 | ] |
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| 382 | | op_not_bool ⇒ |
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| 383 | let destr ≝ extract_singleton ? destrs in |
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| 384 | let srcrs ≝ extract_singleton ? srcrs in |
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| 385 | match destr with |
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| 386 | [ None ⇒ None ? |
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| 387 | | Some destr ⇒ |
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| 388 | match srcrs with |
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| 389 | [ None ⇒ None ? |
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| 390 | | Some srcr ⇒ |
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| 391 | let 〈def, tmpr〉 ≝ fresh_reg def in |
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| 392 | adds_graph [ |
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| 393 | rtl_st_int tmpr (bitvector_of_nat ? 0) start_lbl; |
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| 394 | rtl_st_clear_carry start_lbl; |
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| 395 | rtl_st_op2 Sub destr tmpr srcr start_lbl; |
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| 396 | rtl_st_int destr (bitvector_of_nat ? 0) dest_lbl; |
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| 397 | rtl_st_op2 Addc destr destr destr start_lbl; |
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| 398 | rtl_st_int tmpr (bitvector_of_nat ? 1) dest_lbl; |
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| 399 | rtl_st_op2 Xor destr destr tmpr start_lbl |
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| 400 | ] start_lbl dest_lbl def |
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| 401 | ] |
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| 402 | ] |
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| 403 | | _ ⇒ None ? (* error float *) |
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| 404 | ]. |
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| 405 | |
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| 406 | definition translate_condptr ≝ |
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| 407 | λr1. |
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| 408 | λr2. |
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| 409 | λstart_lbl: label. |
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| 410 | λlbl_true: label. |
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| 411 | λlbl_false: label. |
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| 412 | λdef. |
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| 413 | let 〈def, tmpr〉 ≝ fresh_reg def in |
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| 414 | adds_graph [ |
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| 415 | rtl_st_op2 Or tmpr r1 r2 start_lbl; |
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| 416 | rtl_st_cond_acc tmpr lbl_true lbl_false |
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| 417 | ] start_lbl start_lbl def. |
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| 418 | |
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[799] | 419 | (* |
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[793] | 420 | let rec translate_op2 (op2: ?) (destrs: ?) (srcrs1: ?) (srcrs2: ?) |
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| 421 | (start_lbl: label) (dest_lbl: label) (def: ?) on op2 ≝ |
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| 422 | match op2 with |
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| 423 | [ op_add ⇒ |
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| 424 | let destr ≝ extract_singleton ? destrs in |
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| 425 | let srcr1 ≝ extract_singleton ? srcrs1 in |
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| 426 | let srcr2 ≝ extract_singleton ? srcrs2 in |
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| 427 | match destr with |
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| 428 | [ None ⇒ None ? |
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| 429 | | Some destr ⇒ |
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| 430 | match srcr1 with |
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| 431 | [ None ⇒ None ? |
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| 432 | | Some srcr1 ⇒ |
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| 433 | match srcr2 with |
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| 434 | [ None ⇒ None ? |
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| 435 | | Some srcr2 ⇒ |
---|
| 436 | adds_graph [ |
---|
| 437 | rtl_st_op2 Add destr srcr1 srcr2 start_lbl |
---|
| 438 | ] start_lbl dest_lbl def |
---|
| 439 | ] |
---|
| 440 | ] |
---|
| 441 | ] |
---|
| 442 | | op_sub ⇒ |
---|
| 443 | let destr ≝ extract_singleton ? destrs in |
---|
| 444 | let srcr1 ≝ extract_singleton ? srcrs1 in |
---|
| 445 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 446 | match destr with |
---|
| 447 | [ None ⇒ None ? |
---|
| 448 | | Some destr ⇒ |
---|
| 449 | match srcr1 with |
---|
| 450 | [ None ⇒ None ? |
---|
| 451 | | Some srcr1 ⇒ |
---|
| 452 | match srcr2 with |
---|
| 453 | [ None ⇒ None ? |
---|
| 454 | | Some srcr2 ⇒ |
---|
| 455 | adds_graph [ |
---|
| 456 | rtl_st_clear_carry start_lbl; |
---|
| 457 | rtl_st_op2 Sub destr srcr1 srcr2 start_lbl |
---|
| 458 | ] start_lbl dest_lbl def |
---|
| 459 | ] |
---|
| 460 | ] |
---|
| 461 | ] |
---|
| 462 | | op_mul ⇒ |
---|
| 463 | let destr ≝ extract_singleton ? destrs in |
---|
| 464 | let srcr1 ≝ extract_singleton ? srcrs1 in |
---|
| 465 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 466 | match destr with |
---|
| 467 | [ None ⇒ None ? |
---|
| 468 | | Some destr ⇒ |
---|
| 469 | match srcr1 with |
---|
| 470 | [ None ⇒ None ? |
---|
| 471 | | Some srcr1 ⇒ |
---|
| 472 | match srcr2 with |
---|
| 473 | [ None ⇒ None ? |
---|
| 474 | | Some srcr2 ⇒ |
---|
| 475 | adds_graph [ |
---|
| 476 | rtl_st_opaccs Mul destr srcr1 srcr2 start_lbl |
---|
| 477 | ] start_lbl dest_lbl def |
---|
| 478 | ] |
---|
| 479 | ] |
---|
| 480 | ] |
---|
| 481 | | op_div ⇒ None ? (* signed div not supported *) |
---|
| 482 | | op_divu ⇒ |
---|
| 483 | let destr ≝ extract_singleton ? destrs in |
---|
| 484 | let srcr1 ≝ extract_singleton ? srcrs1 in |
---|
| 485 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 486 | match destr with |
---|
| 487 | [ None ⇒ None ? |
---|
| 488 | | Some destr ⇒ |
---|
| 489 | match srcr1 with |
---|
| 490 | [ None ⇒ None ? |
---|
| 491 | | Some srcr1 ⇒ |
---|
| 492 | match srcr2 with |
---|
| 493 | [ None ⇒ None ? |
---|
| 494 | | Some srcr2 ⇒ |
---|
| 495 | adds_graph [ |
---|
| 496 | rtl_st_opaccs Divu destr srcr1 srcr2 start_lbl |
---|
| 497 | ] start_lbl dest_lbl def |
---|
| 498 | ] |
---|
| 499 | ] |
---|
| 500 | ] |
---|
| 501 | | op_modu ⇒ |
---|
| 502 | let destr ≝ extract_singleton ? destrs in |
---|
| 503 | let srcr1 ≝ extract_singleton ? srcrs1 in |
---|
| 504 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 505 | match destr with |
---|
| 506 | [ None ⇒ None ? |
---|
| 507 | | Some destr ⇒ |
---|
| 508 | match srcr1 with |
---|
| 509 | [ None ⇒ None ? |
---|
| 510 | | Some srcr1 ⇒ |
---|
| 511 | match srcr2 with |
---|
| 512 | [ None ⇒ None ? |
---|
| 513 | | Some srcr2 ⇒ |
---|
| 514 | adds_graph [ |
---|
| 515 | rtl_st_opaccs Modu destr srcr1 srcr2 start_lbl |
---|
| 516 | ] start_lbl dest_lbl def |
---|
| 517 | ] |
---|
| 518 | ] |
---|
| 519 | ] |
---|
| 520 | | op_mod ⇒ None ? (* signed mod not supported *) |
---|
| 521 | | op_and ⇒ |
---|
| 522 | let destr ≝ extract_singleton ? destrs in |
---|
| 523 | let srcr1 ≝ extract_singleton ? srcrs1 in |
---|
| 524 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 525 | match destr with |
---|
| 526 | [ None ⇒ None ? |
---|
| 527 | | Some destr ⇒ |
---|
| 528 | match srcr1 with |
---|
| 529 | [ None ⇒ None ? |
---|
| 530 | | Some srcr1 ⇒ |
---|
| 531 | match srcr2 with |
---|
| 532 | [ None ⇒ None ? |
---|
| 533 | | Some srcr2 ⇒ |
---|
| 534 | adds_graph [ |
---|
| 535 | rtl_st_op2 And destr srcr1 srcr2 start_lbl |
---|
| 536 | ] start_lbl dest_lbl def |
---|
| 537 | ] |
---|
| 538 | ] |
---|
| 539 | ] |
---|
| 540 | | op_or ⇒ |
---|
| 541 | let destr ≝ extract_singleton ? destrs in |
---|
| 542 | let srcr1 ≝ extract_singleton ? srcrs1 in |
---|
| 543 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 544 | match destr with |
---|
| 545 | [ None ⇒ None ? |
---|
| 546 | | Some destr ⇒ |
---|
| 547 | match srcr1 with |
---|
| 548 | [ None ⇒ None ? |
---|
| 549 | | Some srcr1 ⇒ |
---|
| 550 | match srcr2 with |
---|
| 551 | [ None ⇒ None ? |
---|
| 552 | | Some srcr2 ⇒ |
---|
| 553 | adds_graph [ |
---|
| 554 | rtl_st_op2 Or destr srcr1 srcr2 start_lbl |
---|
| 555 | ] start_lbl dest_lbl def |
---|
| 556 | ] |
---|
| 557 | ] |
---|
| 558 | ] |
---|
| 559 | | op_xor ⇒ |
---|
| 560 | let destr ≝ extract_singleton ? destrs in |
---|
| 561 | let srcr1 ≝ extract_singleton ? srcrs1 in |
---|
| 562 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 563 | match destr with |
---|
| 564 | [ None ⇒ None ? |
---|
| 565 | | Some destr ⇒ |
---|
| 566 | match srcr1 with |
---|
| 567 | [ None ⇒ None ? |
---|
| 568 | | Some srcr1 ⇒ |
---|
| 569 | match srcr2 with |
---|
| 570 | [ None ⇒ None ? |
---|
| 571 | | Some srcr2 ⇒ |
---|
| 572 | adds_graph [ |
---|
| 573 | rtl_st_op2 Xor destr srcr1 srcr2 start_lbl |
---|
| 574 | ] start_lbl dest_lbl def |
---|
| 575 | ] |
---|
| 576 | ] |
---|
| 577 | ] |
---|
| 578 | | op_shru ⇒ None ? (* shifts not supported *) |
---|
| 579 | | op_shr ⇒ None ? |
---|
| 580 | | op_shl ⇒ None ? |
---|
| 581 | | op_addf ⇒ None ? (* floats not supported *) |
---|
| 582 | | op_subf ⇒ None ? |
---|
| 583 | | op_mulf ⇒ None ? |
---|
| 584 | | op_divf ⇒ None ? |
---|
| 585 | | op_cmpf _ ⇒ None ? |
---|
[795] | 586 | | op_addp ⇒ |
---|
| 587 | let destr12 ≝ extract_pair ? destrs in |
---|
| 588 | match destr12 with |
---|
| 589 | [ None ⇒ None ? |
---|
| 590 | | Some destr12 ⇒ |
---|
| 591 | let 〈destr1, destr2〉 ≝ destr12 in |
---|
| 592 | let srcr12 ≝ extract_pair ? srcrs1 in |
---|
| 593 | match srcr12 with |
---|
| 594 | [ None ⇒ |
---|
| 595 | let srcr2 ≝ extract_singleton ? srcrs1 in |
---|
| 596 | match srcr2 with |
---|
| 597 | [ None ⇒ None ? |
---|
| 598 | | Some srcr2 ⇒ |
---|
| 599 | let srcr12 ≝ extract_pair ? srcrs2 in |
---|
| 600 | match srcr12 with |
---|
| 601 | [ None ⇒ None ? |
---|
| 602 | | Some srcr12 ⇒ |
---|
| 603 | let 〈srcr11, srcr12〉 ≝ srcr12 in |
---|
| 604 | let 〈def, tmpr1〉 ≝ fresh_reg def in |
---|
| 605 | let 〈def, tmpr2〉 ≝ fresh_reg def in |
---|
| 606 | adds_graph [ |
---|
| 607 | rtl_st_op2 Add tmpr1 srcr11 srcr2 start_lbl; |
---|
| 608 | rtl_st_int tmpr2 (bitvector_of_nat ? 0) start_lbl; |
---|
| 609 | rtl_st_op2 Addc destr2 tmpr2 srcr12 start_lbl; |
---|
| 610 | rtl_st_move destr1 tmpr1 start_lbl |
---|
| 611 | ] start_lbl dest_lbl def |
---|
| 612 | ] |
---|
| 613 | ] |
---|
| 614 | | Some srcr12 ⇒ |
---|
| 615 | let 〈srcr11, srcr12〉 ≝ srcr12 in |
---|
| 616 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 617 | match srcr2 with |
---|
| 618 | [ None ⇒ None ? |
---|
| 619 | | Some srcr2 ⇒ |
---|
| 620 | let 〈def, tmpr1〉 ≝ fresh_reg def in |
---|
| 621 | let 〈def, tmpr2〉 ≝ fresh_reg def in |
---|
| 622 | adds_graph [ |
---|
| 623 | rtl_st_op2 Add tmpr1 srcr11 srcr2 start_lbl; |
---|
| 624 | rtl_st_int tmpr2 (bitvector_of_nat ? 0) start_lbl; |
---|
| 625 | rtl_st_op2 Addc destr2 tmpr2 srcr12 start_lbl; |
---|
| 626 | rtl_st_move destr1 tmpr1 start_lbl |
---|
| 627 | ] start_lbl dest_lbl def |
---|
| 628 | ] |
---|
| 629 | ] |
---|
| 630 | ] |
---|
| 631 | | op_subp ⇒ |
---|
| 632 | let destr ≝ extract_singleton ? destrs in |
---|
| 633 | match destr with |
---|
| 634 | [ None ⇒ |
---|
| 635 | let destr12 ≝ extract_pair ? destrs in |
---|
| 636 | match destr12 with |
---|
| 637 | [ None ⇒ None ? |
---|
| 638 | | Some destr12 ⇒ |
---|
| 639 | let 〈destr1, destr2〉 ≝ destr12 in |
---|
| 640 | let srcr12 ≝ extract_pair ? srcrs1 in |
---|
| 641 | match srcr12 with |
---|
| 642 | [ None ⇒ None ? |
---|
| 643 | | Some srcr12 ⇒ |
---|
| 644 | let 〈srcr11, srcr12〉 ≝ srcr12 in |
---|
| 645 | let srcr2 ≝ extract_singleton ? srcrs2 in |
---|
| 646 | match srcr2 with |
---|
| 647 | [ None ⇒ None ? |
---|
| 648 | | Some srcr2 ⇒ |
---|
| 649 | adds_graph [ |
---|
| 650 | rtl_st_clear_carry start_lbl; |
---|
| 651 | rtl_st_op2 Sub destr1 srcr11 srcr2 start_lbl; |
---|
| 652 | rtl_st_int destr2 (bitvector_of_nat ? 0) start_lbl; |
---|
| 653 | rtl_st_op2 Sub destr2 srcr12 destr2 start_lbl |
---|
| 654 | ] start_lbl dest_lbl def |
---|
| 655 | ] |
---|
| 656 | ] |
---|
| 657 | ] |
---|
| 658 | | Some destr ⇒ |
---|
| 659 | match srcrs1 with |
---|
| 660 | [ nil ⇒ None ? |
---|
| 661 | | cons srcr1 tl ⇒ |
---|
| 662 | match srcrs2 with |
---|
| 663 | [ nil ⇒ None ? |
---|
| 664 | | cons srcr2 tl' ⇒ |
---|
| 665 | let 〈def, tmpr1〉 ≝ fresh_reg def in |
---|
| 666 | let 〈def, tmpr2〉 ≝ fresh_reg def in |
---|
| 667 | adds_graph [ |
---|
| 668 | rtl_st_op1 Cmpl tmpr1 srcr2 start_lbl; |
---|
| 669 | rtl_st_int tmpr2 (bitvector_of_nat ? 1) start_lbl; |
---|
| 670 | rtl_st_op2 Add tmpr1 tmpr1 tmpr2 start_lbl; |
---|
| 671 | rtl_st_op2 Add destr srcr1 tmpr1 start_lbl |
---|
| 672 | ] start_lbl dest_lbl def |
---|
| 673 | ] |
---|
| 674 | ] |
---|
| 675 | ] |
---|
| 676 | | op_cmp cmp ⇒ |
---|
| 677 | match cmp with |
---|
| 678 | [ Compare_Equal ⇒ |
---|
| 679 | add_translates [ |
---|
| 680 | translate_op2 op_sub destrs srcrs1 srcrs2; |
---|
| 681 | translate_op1 op_not_bool destrs destrs |
---|
| 682 | ] start_lbl dest_lbl def |
---|
| 683 | | Compare_NotEqual ⇒ |
---|
| 684 | translate_op2 op_sub destrs srcrs1 srcrs2 start_lbl dest_lbl def |
---|
| 685 | | _ ⇒ None ? |
---|
| 686 | ] |
---|
| 687 | | op_cmpu cmp ⇒ |
---|
| 688 | match cmp with |
---|
| 689 | [ Compare_Equal ⇒ |
---|
| 690 | add_translates [ |
---|
| 691 | translate_op2 op_sub destrs srcrs1 srcrs2; |
---|
| 692 | translate_op1 op_not_bool destrs destrs |
---|
| 693 | ] start_lbl dest_lbl def |
---|
| 694 | | Compare_NotEqual ⇒ |
---|
| 695 | translate_op2 op_sub destrs srcrs1 srcrs2 start_lbl dest_lbl def |
---|
[799] | 696 | | Compare |
---|
[795] | 697 | | _ ⇒ None ? |
---|
| 698 | ] |
---|
[793] | 699 | | _ ⇒ ? |
---|
| 700 | ]. |
---|
| 701 | |
---|
| 702 | | AST.Op_cmpu AST.Cmp_lt, [destr], [srcr1], [srcr2] -> |
---|
| 703 | let (def, tmpr) = fresh_reg def in |
---|
| 704 | adds_graph |
---|
| 705 | [RTL.St_clear_carry start_lbl ; |
---|
| 706 | RTL.St_op2 (I8051.Sub, destr, srcr1, srcr2, start_lbl) ; |
---|
| 707 | RTL.St_int (destr, 0, start_lbl) ; |
---|
| 708 | RTL.St_op2 (I8051.Addc, destr, destr, destr, start_lbl)] |
---|
| 709 | start_lbl dest_lbl def |
---|
| 710 | |
---|
| 711 | | AST.Op_cmpu AST.Cmp_gt, _, _, _ -> |
---|
| 712 | translate_op2 (AST.Op_cmpu AST.Cmp_lt) |
---|
| 713 | destrs srcrs2 srcrs1 start_lbl dest_lbl def |
---|
| 714 | |
---|
| 715 | | AST.Op_cmpu AST.Cmp_le, _, _, _ -> |
---|
| 716 | add_translates |
---|
| 717 | [translate_op2 (AST.Op_cmpu AST.Cmp_gt) destrs srcrs1 srcrs2 ; |
---|
| 718 | translate_op1 AST.Op_notbool destrs destrs] |
---|
| 719 | start_lbl dest_lbl def |
---|
| 720 | |
---|
| 721 | | AST.Op_cmpu AST.Cmp_ge, _, _, _ -> |
---|
| 722 | add_translates |
---|
| 723 | [translate_op2 (AST.Op_cmpu AST.Cmp_lt) destrs srcrs1 srcrs2 ; |
---|
| 724 | translate_op1 AST.Op_notbool destrs destrs] |
---|
| 725 | start_lbl dest_lbl def |
---|
| 726 | |
---|
| 727 | | AST.Op_cmp cmp, _, _, _ -> |
---|
| 728 | let (def, tmprs1) = fresh_regs def (List.length srcrs1) in |
---|
| 729 | let (def, tmprs2) = fresh_regs def (List.length srcrs2) in |
---|
| 730 | add_translates |
---|
| 731 | [translate_cst (AST.Cst_int 128) tmprs1 ; |
---|
| 732 | translate_cst (AST.Cst_int 128) tmprs2 ; |
---|
| 733 | translate_op2 AST.Op_add tmprs1 srcrs1 tmprs1 ; |
---|
| 734 | translate_op2 AST.Op_add tmprs2 srcrs2 tmprs2 ; |
---|
| 735 | translate_op2 (AST.Op_cmpu cmp) destrs tmprs1 tmprs2] |
---|
| 736 | start_lbl dest_lbl def |
---|
| 737 | |
---|
| 738 | | AST.Op_cmpp AST.Cmp_eq, [destr], [srcr11 ; srcr12], [srcr21 ; srcr22] -> |
---|
| 739 | let (def, tmpr) = fresh_reg def in |
---|
| 740 | add_translates |
---|
| 741 | [translate_op2 (AST.Op_cmpu AST.Cmp_ne) [tmpr] [srcr11] [srcr21] ; |
---|
| 742 | translate_op2 (AST.Op_cmpu AST.Cmp_ne) [destr] [srcr21] [srcr22] ; |
---|
| 743 | translate_op2 AST.Op_or [destr] [destr] [tmpr] ; |
---|
| 744 | adds_graph [RTL.St_int (tmpr, 1, start_lbl)] ; |
---|
| 745 | translate_op2 AST.Op_xor [destr] [destr] [tmpr]] |
---|
| 746 | start_lbl dest_lbl def |
---|
| 747 | |
---|
| 748 | | AST.Op_cmpp AST.Cmp_lt, [destr], [srcr11 ; srcr12], [srcr21 ; srcr22] -> |
---|
| 749 | let (def, tmpr1) = fresh_reg def in |
---|
| 750 | let (def, tmpr2) = fresh_reg def in |
---|
| 751 | add_translates |
---|
| 752 | [translate_op2 (AST.Op_cmpu AST.Cmp_lt) [tmpr1] [srcr12] [srcr22] ; |
---|
| 753 | translate_op2 (AST.Op_cmpu AST.Cmp_eq) [tmpr2] [srcr12] [srcr22] ; |
---|
| 754 | translate_op2 (AST.Op_cmpu AST.Cmp_lt) [destr] [srcr11] [srcr21] ; |
---|
| 755 | translate_op2 AST.Op_and [tmpr2] [tmpr2] [destr] ; |
---|
| 756 | translate_op2 AST.Op_or [destr] [tmpr1] [tmpr2]] |
---|
| 757 | start_lbl dest_lbl def |
---|
| 758 | |
---|
| 759 | | AST.Op_cmpp AST.Cmp_gt, _, _, _ -> |
---|
| 760 | translate_op2 (AST.Op_cmpp AST.Cmp_lt) |
---|
| 761 | destrs srcrs2 srcrs1 start_lbl dest_lbl def |
---|
| 762 | |
---|
| 763 | | AST.Op_cmpp AST.Cmp_le, _, _, _ -> |
---|
| 764 | add_translates |
---|
| 765 | [translate_op2 (AST.Op_cmpp AST.Cmp_gt) destrs srcrs1 srcrs2 ; |
---|
| 766 | translate_op1 AST.Op_notbool destrs destrs] |
---|
| 767 | start_lbl dest_lbl def |
---|
| 768 | |
---|
| 769 | | AST.Op_cmpp AST.Cmp_ge, _, _, _ -> |
---|
| 770 | add_translates |
---|
| 771 | [translate_op2 (AST.Op_cmpp AST.Cmp_lt) destrs srcrs1 srcrs2 ; |
---|
| 772 | translate_op1 AST.Op_notbool destrs destrs] |
---|
| 773 | start_lbl dest_lbl def |
---|
| 774 | |
---|
[799] | 775 | | _ -> assert false (* wrong number of arguments *) |
---|
| 776 | *) |
---|
| 777 | |
---|
| 778 | definition translate_condcst ≝ |
---|
| 779 | λcst. |
---|
| 780 | λstart_lbl: label. |
---|
| 781 | λlbl_true: label. |
---|
| 782 | λlbl_false: label. |
---|
| 783 | λdef. |
---|
| 784 | match cst with |
---|
| 785 | [ cast_int i ⇒ |
---|
| 786 | let 〈def, tmpr〉 ≝ fresh_reg def in |
---|
| 787 | adds_graph [ |
---|
| 788 | rtl_st_int tmpr i start_lbl; |
---|
| 789 | rtl_st_cond_acc tmpr lbl_true lbl_false |
---|
| 790 | ] start_lbl start_lbl def |
---|
| 791 | | cast_addr_symbol x ⇒ |
---|
| 792 | let 〈def, r1〉 ≝ fresh_reg def in |
---|
| 793 | let 〈def, r2〉 ≝ fresh_reg def in |
---|
| 794 | let lbl ≝ fresh_label def in |
---|
| 795 | match lbl with |
---|
| 796 | [ None ⇒ None ? |
---|
| 797 | | Some lbl ⇒ |
---|
| 798 | let def ≝ add_graph start_lbl (rtl_st_addr r1 r2 x lbl) def in |
---|
| 799 | translate_condptr r1 r2 lbl lbl_true lbl_false def |
---|
| 800 | ] |
---|
| 801 | | cast_stack_offset off ⇒ |
---|
| 802 | let 〈def, r1〉 ≝ fresh_reg def in |
---|
| 803 | let 〈def, r2〉 ≝ fresh_reg def in |
---|
| 804 | let tmp_lbl ≝ fresh_label def in |
---|
| 805 | match tmp_lbl with |
---|
| 806 | [ None ⇒ None ? |
---|
| 807 | | Some tmp_lbl ⇒ |
---|
| 808 | let def ≝ translate_cst (cast_stack_offset off) [r1; r2] start_lbl tmp_lbl def in |
---|
| 809 | match def with |
---|
| 810 | [ None ⇒ None ? |
---|
| 811 | | Some def ⇒ translate_condptr r1 r2 tmp_lbl lbl_true lbl_false def |
---|
| 812 | ] |
---|
| 813 | ] |
---|
| 814 | | cast_float f ⇒ None ? (* error_float *) |
---|
| 815 | ]. |
---|
| 816 | |
---|
| 817 | definition size_of_op1_ret ≝ |
---|
| 818 | λop. |
---|
| 819 | match op with |
---|
| 820 | [ op_cast8_unsigned ⇒ Some ? 1 |
---|
| 821 | | op_cast8_signed ⇒ Some ? 1 |
---|
| 822 | | op_cast16_unsigned ⇒ Some ? 1 |
---|
| 823 | | op_cast16_signed ⇒ Some ? 1 |
---|
| 824 | | op_neg_int ⇒ Some ? 1 |
---|
| 825 | | op_not_int ⇒ Some ? 1 |
---|
| 826 | | op_int_of_ptr ⇒ Some ? 1 |
---|
| 827 | | op_ptr_of_int ⇒ Some ? 2 |
---|
| 828 | | op_id ⇒ None ? (* invalid_argument *) |
---|
| 829 | | _ ⇒ None ? (* error_float *) |
---|
| 830 | ]. |
---|
| 831 | |
---|
| 832 | definition translate_cond1 ≝ |
---|
| 833 | λop1. |
---|
| 834 | λsrcrs: list register. |
---|
| 835 | λstart_lbl: label. |
---|
| 836 | λlbl_true: label. |
---|
| 837 | λlbl_false: label. |
---|
| 838 | λdef. |
---|
| 839 | match op1 with |
---|
| 840 | [ op_id ⇒ |
---|
| 841 | let srcr ≝ extract_singleton ? srcrs in |
---|
| 842 | match srcr with |
---|
| 843 | [ None ⇒ |
---|
| 844 | let srcr12 ≝ extract_pair ? srcrs in |
---|
| 845 | match srcr12 with |
---|
| 846 | [ None ⇒ None ? |
---|
| 847 | | Some srcr12 ⇒ |
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| 848 | let 〈srcr1, srcr2〉 ≝ srcr12 in |
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| 849 | translate_condptr srcr1 srcr2 start_lbl lbl_true lbl_false def |
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| 850 | ] |
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| 851 | | Some srcr ⇒ |
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| 852 | adds_graph [ |
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| 853 | rtl_st_cond_acc srcr lbl_true lbl_false |
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| 854 | ] start_lbl start_lbl def |
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| 855 | ] |
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| 856 | | _ ⇒ |
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| 857 | let size ≝ size_of_op1_ret op1 in |
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| 858 | match size with |
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| 859 | [ None ⇒ None ? |
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| 860 | | Some size ⇒ |
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| 861 | let 〈def, destrs〉 ≝ fresh_regs def size in |
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| 862 | let lbl ≝ fresh_label def in |
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| 863 | match lbl with |
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| 864 | [ None ⇒ None ? |
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| 865 | | Some lbl ⇒ |
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| 866 | let def ≝ translate_op1 op1 destrs srcrs start_lbl lbl def in |
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| 867 | match def with |
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| 868 | [ None ⇒ None ? |
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| 869 | | Some def ⇒ |
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| 870 | let destr ≝ extract_singleton ? destrs in |
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| 871 | match destr with |
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| 872 | [ None ⇒ |
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| 873 | let destr12 ≝ extract_pair ? destrs in |
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| 874 | match destr12 with |
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| 875 | [ None ⇒ None ? |
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| 876 | | Some destr12 ⇒ |
---|
| 877 | let 〈destr1, destr2〉 ≝ destr12 in |
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| 878 | translate_condptr destr1 destr2 start_lbl lbl_true lbl_false def |
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| 879 | ] |
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| 880 | | Some destr ⇒ |
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| 881 | adds_graph [ |
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| 882 | rtl_st_cond_acc destr lbl_true lbl_false |
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| 883 | ] start_lbl start_lbl def |
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| 884 | ] |
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| 885 | ] |
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| 886 | ] |
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| 887 | ] |
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| 888 | ]. |
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| 889 | |
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| 890 | definition size_of_op2_ret ≝ |
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| 891 | λn: nat. |
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| 892 | λop2. |
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| 893 | match op2 with |
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| 894 | [ op_add ⇒ Some ? 1 |
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| 895 | | op_sub ⇒ Some ? 1 |
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| 896 | | op_mul ⇒ Some ? 1 |
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| 897 | | op_div ⇒ Some ? 1 |
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| 898 | | op_divu ⇒ Some ? 1 |
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| 899 | | op_mod ⇒ Some ? 1 |
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| 900 | | op_modu ⇒ Some ? 1 |
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| 901 | | op_and ⇒ Some ? 1 |
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| 902 | | op_or ⇒ Some ? 1 |
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| 903 | | op_xor ⇒ Some ? 1 |
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| 904 | | op_shl ⇒ Some ? 1 |
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| 905 | | op_shr ⇒ Some ? 1 |
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| 906 | | op_shru ⇒ Some ? 1 |
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| 907 | | op_cmp _ ⇒ Some ? 1 |
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| 908 | | op_cmpu _ ⇒ Some ? 1 |
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| 909 | | op_cmpp _ ⇒ Some ? 1 |
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| 910 | | op_addp ⇒ Some ? 2 |
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| 911 | | op_subp ⇒ |
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| 912 | if eq_nat n 4 then |
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| 913 | Some ? 1 |
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| 914 | else |
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| 915 | Some ? 2 |
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| 916 | | _ ⇒ None ? (* error_float *) |
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| 917 | ]. |
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| 918 | |
---|
| 919 | definition translate_cond2 ≝ |
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| 920 | λop2. |
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| 921 | λsrcrs1: list register. |
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| 922 | λsrcrs2: list register. |
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| 923 | λstart_lbl: label. |
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| 924 | λlbl_true: label. |
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| 925 | λlbl_false: label. |
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| 926 | λdef. |
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| 927 | match op2 with |
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| 928 | [ |
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| 929 | ] |
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| 930 | |
---|
| 931 | let translate_cond2 op2 srcrs1 srcrs2 start_lbl lbl_true lbl_false def = |
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| 932 | match op2, srcrs1, srcrs2 with |
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| 933 | |
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| 934 | | AST.Op_cmp AST.Cmp_eq, [srcr1], [srcr2] -> |
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| 935 | let (def, tmpr) = fresh_reg def in |
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| 936 | adds_graph |
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| 937 | [RTL.St_clear_carry start_lbl ; |
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| 938 | RTL.St_op2 (I8051.Sub, tmpr, srcr1, srcr2, start_lbl) ; |
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| 939 | RTL.St_condacc (tmpr, lbl_false, lbl_true)] |
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| 940 | start_lbl start_lbl def |
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| 941 | |
---|
| 942 | | _, _, _ -> |
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| 943 | let n = (List.length srcrs1) + (List.length srcrs2) in |
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| 944 | let (def, destrs) = fresh_regs def (size_of_op2_ret n op2) in |
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| 945 | let lbl = fresh_label def in |
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| 946 | let def = translate_op2 op2 destrs srcrs1 srcrs2 start_lbl lbl def in |
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| 947 | translate_cond1 AST.Op_id destrs lbl lbl_true lbl_false def |
---|