git.sur5r.net Git - cc65/blob - src/cc65/coptsize.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 coptsize.c                                */
   4 /*                                                                           */
   5 /*                              Size optimizations                           */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2002      Ullrich von Bassewitz                                       */
  10 /*               Wacholderweg 14                                             */
  11 /*               D-70597 Stuttgart                                           */
  12 /* EMail:        uz@cc65.org                                                 */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef COPTSIZE_H
  37 #define COPTSIZE_H
  38
  39
  40
  41 /* cc65 */
  42 #include "codeseg.h"
  43
  44
  45
  46 /*****************************************************************************/
  47 /*                                   Code                                    */
  48 /*****************************************************************************/
  49
  50
  51
  52 unsigned OptSize1 (CodeSeg* S);
  53 /* Do size optimization by calling special subroutines that preload registers.
  54  * This routine does not work standalone, it needs a following register load
  55  * removal pass.
  56  */
  57
  58 unsigned OptSize2 (CodeSeg* S);
  59 /* Do size optimization by using shorter code sequences, even if this
  60  * introduces relations between instructions. This step must be one of the
  61  * last steps, because it makes further work much more difficult.
  62  */
  63
  64
  65
  66 /* End of coptsize.h */
  67
  68 #endif