94 lines
3.0 KiB
OCaml
94 lines
3.0 KiB
OCaml
(***********************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 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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(* Representation of machine code by sequences of pseudoinstructions *)
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type integer_comparison =
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Isigned of Cmm.comparison
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| Iunsigned of Cmm.comparison
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type integer_operation =
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Iadd | Isub | Imul | Imulh | Idiv | Imod
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| Iand | Ior | Ixor | Ilsl | Ilsr | Iasr
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| Icomp of integer_comparison
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| Icheckbound
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type test =
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Itruetest
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| Ifalsetest
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| Iinttest of integer_comparison
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| Iinttest_imm of integer_comparison * int
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| Ifloattest of Cmm.comparison * bool
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| Ioddtest
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| Ieventest
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type operation =
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Imove
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| Ispill
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| Ireload
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| Iconst_int of nativeint
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| Iconst_float of float
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| Iconst_symbol of string
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| Iconst_blockheader of nativeint
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| Icall_ind
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| Icall_imm of string
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| Itailcall_ind
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| Itailcall_imm of string
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| Iextcall of string * bool (* false = noalloc, true = alloc *)
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| Istackoffset of int
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| Iload of Cmm.memory_chunk * Arch.addressing_mode
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| Istore of Cmm.memory_chunk * Arch.addressing_mode * bool
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(* false = initialization, true = assignment *)
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| Ialloc of int
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| Iintop of integer_operation
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| Iintop_imm of integer_operation * int
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| Inegf | Iabsf | Iaddf | Isubf | Imulf | Idivf
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| Ifloatofint | Iintoffloat
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| Ispecific of Arch.specific_operation
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type instruction =
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{ desc: instruction_desc;
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next: instruction;
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arg: Reg.t array;
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res: Reg.t array;
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dbg: Debuginfo.t;
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mutable live: Reg.Set.t }
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and instruction_desc =
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Iend
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| Iop of operation
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| Ireturn
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| Iifthenelse of test * instruction * instruction
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| Iswitch of int array * instruction array
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| Iloop of instruction
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| Icatch of int * instruction * instruction
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| Iexit of int
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| Itrywith of instruction * instruction
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| Iraise of Lambda.raise_kind
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type fundecl =
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{ fun_name: string;
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fun_args: Reg.t array;
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fun_body: instruction;
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fun_fast: bool;
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fun_dbg : Debuginfo.t }
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val dummy_instr: instruction
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val end_instr: unit -> instruction
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val instr_cons:
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instruction_desc -> Reg.t array -> Reg.t array -> instruction ->
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instruction
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val instr_cons_debug:
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instruction_desc -> Reg.t array -> Reg.t array -> Debuginfo.t ->
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instruction -> instruction
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val instr_iter: (instruction -> unit) -> instruction -> unit
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