1 /* 2 * Copyright 2015 Connor Abbott 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 24 #include "brw_fs.h" 25 #include "brw_cfg.h" 26 #include "brw_fs_builder.h" 27 28 using namespace brw; 29 30 bool 31 fs_visitor::lower_pack() 32 { 33 bool progress = false; 34 35 foreach_block_and_inst_safe(block, fs_inst, inst, cfg) { 36 if (inst->opcode != FS_OPCODE_PACK) 37 continue; 38 39 assert(inst->dst.file == VGRF); 40 assert(inst->saturate == false); 41 fs_reg dst = inst->dst; 42 43 const fs_builder ibld(this, block, inst); 44 for (unsigned i = 0; i < inst->sources; i++) 45 ibld.MOV(subscript(dst, inst->src[i].type, i), inst->src[i]); 46 47 inst->remove(block); 48 progress = true; 49 } 50 51 if (progress) 52 invalidate_live_intervals(); 53 54 return progress; 55 } 56
