aoptcpu.pas 1.9 KB

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  1. {
  2. Copyright (c) 1998-2002 by Jonas Maebe, member of the Free Pascal
  3. Development Team
  4. This unit implements the Risc-V32 optimizer object
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; if not, write to the Free Software
  15. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16. ****************************************************************************
  17. }
  18. Unit aoptcpu;
  19. Interface
  20. {$i fpcdefs.inc}
  21. uses cpubase, aoptobj, aoptcpub, aopt, aasmtai,aasmdata, aasmcpu;
  22. Type
  23. TCpuAsmOptimizer = class(TAsmOptimizer)
  24. { uses the same constructor as TAopObj }
  25. function PeepHoleOptPass1Cpu(var p: tai): boolean; override;
  26. function PostPeepHoleOptsCpu(var p: tai): boolean; override;
  27. End;
  28. Implementation
  29. uses
  30. cutils, verbose, cgbase, cgcpu, cgobj;
  31. function TCpuAsmOptimizer.PeepHoleOptPass1Cpu(var p: tai): boolean;
  32. var
  33. next1, next2: tai;
  34. l1, l2, shlcount: longint;
  35. begin
  36. result := false;
  37. case p.typ of
  38. ait_instruction:
  39. begin
  40. {case taicpu(p).opcode of
  41. end;}
  42. end;
  43. else
  44. ;
  45. end;
  46. end;
  47. function TCpuAsmOptimizer.PostPeepHoleOptsCpu(var p: tai): boolean;
  48. var
  49. next1: tai;
  50. begin
  51. result := false;
  52. case p.typ of
  53. ait_instruction:
  54. begin
  55. end;
  56. else
  57. ;
  58. end;
  59. end;
  60. begin
  61. casmoptimizer:=TCpuAsmOptimizer;
  62. End.