| /* |
| * Copyright 2011 Tom Stellard <tstellar@gmail.com> |
| * |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial |
| * portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #ifndef RADEON_VARIABLE_H |
| #define RADEON_VARIABLE_H |
| |
| #include "radeon_compiler.h" |
| |
| struct radeon_compiler; |
| struct rc_list; |
| struct rc_reader_data; |
| struct rc_readers; |
| |
| struct live_intervals { |
| int Start; |
| int End; |
| int Used; |
| }; |
| |
| struct rc_variable { |
| struct radeon_compiler * C; |
| struct rc_dst_register Dst; |
| |
| struct rc_instruction * Inst; |
| unsigned int ReaderCount; |
| struct rc_reader * Readers; |
| struct live_intervals Live[4]; |
| |
| /* A friend is a variable that shares a reader with another variable. |
| */ |
| struct rc_variable * Friend; |
| }; |
| |
| void rc_variable_change_dst( |
| struct rc_variable * var, |
| unsigned int new_index, |
| unsigned int new_writemask); |
| |
| void rc_variable_compute_live_intervals(struct rc_variable * var); |
| |
| void rc_variable_add_friend( |
| struct rc_variable * var, |
| struct rc_variable * friend); |
| |
| struct rc_variable * rc_variable( |
| struct radeon_compiler * c, |
| unsigned int DstFile, |
| unsigned int DstIndex, |
| unsigned int DstWriteMask, |
| struct rc_reader_data * reader_data); |
| |
| struct rc_list * rc_get_variables(struct radeon_compiler * c); |
| |
| unsigned int rc_variable_writemask_sum(struct rc_variable * var); |
| |
| struct rc_list * rc_variable_readers_union(struct rc_variable * var); |
| |
| struct rc_list * rc_variable_list_get_writers( |
| struct rc_list * var_list, |
| unsigned int src_type, |
| void * src); |
| |
| struct rc_list * rc_variable_list_get_writers_one_reader( |
| struct rc_list * var_list, |
| unsigned int src_type, |
| void * src); |
| |
| void rc_variable_print(struct rc_variable * var); |
| |
| #endif /* RADEON_VARIABLE_H */ |