1 /* 2 * Copyright © 2012 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 * Authors: 24 * Eric Anholt <eric@anholt.net> 25 * 26 */ 27 28 #include "brw_fs.h" 29 30 class fs_bblock_link : public exec_node { 31 public: fs_bblock_link(fs_bblock * block)32 fs_bblock_link(fs_bblock *block) 33 : block(block) 34 { 35 } 36 37 fs_bblock *block; 38 }; 39 40 class fs_bblock { 41 public: new(size_t size,void * ctx)42 static void* operator new(size_t size, void *ctx) 43 { 44 void *node; 45 46 node = rzalloc_size(ctx, size); 47 assert(node != NULL); 48 49 return node; 50 } 51 52 fs_bblock_link *make_list(void *mem_ctx); 53 54 fs_bblock(); 55 56 void add_successor(void *mem_ctx, fs_bblock *successor); 57 58 fs_inst *start; 59 fs_inst *end; 60 61 int start_ip; 62 int end_ip; 63 64 exec_list parents; 65 exec_list children; 66 int block_num; 67 }; 68 69 class fs_cfg { 70 public: new(size_t size,void * ctx)71 static void* operator new(size_t size, void *ctx) 72 { 73 void *node; 74 75 node = rzalloc_size(ctx, size); 76 assert(node != NULL); 77 78 return node; 79 } 80 81 fs_cfg(fs_visitor *v); 82 ~fs_cfg(); 83 fs_bblock *new_block(); 84 void set_next_block(fs_bblock *block); 85 void make_block_array(); 86 87 /** @{ 88 * 89 * Used while generating the block list. 90 */ 91 fs_bblock *cur; 92 int ip; 93 /** @} */ 94 95 void *mem_ctx; 96 97 /** Ordered list (by ip) of basic blocks */ 98 exec_list block_list; 99 fs_bblock **blocks; 100 int num_blocks; 101 }; 102