Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright 2011 Tom Stellard <tstellar@gmail.com>
  3.  *
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining
  7.  * a copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sublicense, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial
  16.  * portions of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21.  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22.  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23.  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24.  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  */
  27.  
  28. #ifndef RADEON_VARIABLE_H
  29. #define RADEON_VARIABLE_H
  30.  
  31. #include "radeon_compiler.h"
  32.  
  33. struct radeon_compiler;
  34. struct rc_list;
  35. struct rc_reader_data;
  36. struct rc_readers;
  37.  
  38. struct live_intervals {
  39.         int Start;
  40.         int End;
  41.         int Used;
  42. };
  43.  
  44. struct rc_variable {
  45.         struct radeon_compiler * C;
  46.         struct rc_dst_register Dst;
  47.  
  48.         struct rc_instruction * Inst;
  49.         unsigned int ReaderCount;
  50.         struct rc_reader * Readers;
  51.         struct live_intervals Live[4];
  52.  
  53.         /* A friend is a variable that shares a reader with another variable.
  54.          */
  55.         struct rc_variable * Friend;
  56. };
  57.  
  58. void rc_variable_change_dst(
  59.         struct rc_variable * var,
  60.         unsigned int new_index,
  61.         unsigned int new_writemask);
  62.  
  63. void rc_variable_compute_live_intervals(struct rc_variable * var);
  64.  
  65. void rc_variable_add_friend(
  66.         struct rc_variable * var,
  67.         struct rc_variable * friend);
  68.  
  69. struct rc_variable * rc_variable(
  70.         struct radeon_compiler * c,
  71.         unsigned int DstFile,
  72.         unsigned int DstIndex,
  73.         unsigned int DstWriteMask,
  74.         struct rc_reader_data * reader_data);
  75.  
  76. struct rc_list * rc_get_variables(struct radeon_compiler * c);
  77.  
  78. unsigned int rc_variable_writemask_sum(struct rc_variable * var);
  79.  
  80. struct rc_list * rc_variable_readers_union(struct rc_variable * var);
  81.  
  82. struct rc_list * rc_variable_list_get_writers(
  83.         struct rc_list * var_list,
  84.         unsigned int src_type,
  85.         void * src);
  86.  
  87. struct rc_list * rc_variable_list_get_writers_one_reader(
  88.         struct rc_list * var_list,
  89.         unsigned int src_type,
  90.         void * src);
  91.  
  92. void rc_variable_print(struct rc_variable * var);
  93.  
  94. #endif /* RADEON_VARIABLE_H */
  95.