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1 /* brig-copy-move-inst-handler.cc -- brig copy/move instruction handling
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2 Copyright (C) 2016-2017 Free Software Foundation, Inc.
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3 Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
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4 for General Processor Tech.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #include "brig-code-entry-handler.h"
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23 #include "tree-pretty-print.h"
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24 #include "print-tree.h"
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25 #include "errors.h"
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26 #include "brig-util.h"
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27
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28 size_t
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29 brig_copy_move_inst_handler::handle_lda (const BrigInstBase *brig_inst)
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30 {
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31 tree dest_type = gccbrig_tree_type_for_hsa_type (brig_inst->type);
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32
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33 tree input = build_tree_operand_from_brig (brig_inst, NULL, 1);
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34 tree output = build_tree_operand_from_brig (brig_inst, dest_type, 0);
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35
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36 build_output_assignment (*brig_inst, output, input);
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37 return brig_inst->base.byteCount;
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38 }
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39
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40 size_t
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41 brig_copy_move_inst_handler::operator () (const BrigBase *base)
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42 {
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43 const BrigInstBase *brig_inst
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44 = (const BrigInstBase *) &((const BrigInstBasic *) base)->base;
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45
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46 if (brig_inst->opcode == BRIG_OPCODE_LDA)
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47 return handle_lda (brig_inst);
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48
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49 const BrigInstSourceType *inst_src_type = (const BrigInstSourceType *) base;
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50
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51 tree source_type = gccbrig_tree_type_for_hsa_type (inst_src_type->sourceType);
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52 tree dest_type = gccbrig_tree_type_for_hsa_type (brig_inst->type);
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53
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54 tree input = build_tree_operand_from_brig (brig_inst, source_type, 1);
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55 tree output = build_tree_operand_from_brig (brig_inst, dest_type, 0);
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56 if (brig_inst->opcode == BRIG_OPCODE_COMBINE)
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57 {
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58 /* For combine, a simple reinterpret cast from the array constructor
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59 works. */
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60
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61 tree casted = build_reinterpret_cast (dest_type, input);
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62 tree assign = build2 (MODIFY_EXPR, TREE_TYPE (output), output, casted);
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63 m_parent.m_cf->append_statement (assign);
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64 }
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65 else if (brig_inst->opcode == BRIG_OPCODE_EXPAND)
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66 build_output_assignment (*brig_inst, output, input);
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67 else
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68 {
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69 brig_basic_inst_handler basic (m_parent);
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70 return basic (base);
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71 }
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72 return base->byteCount;
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73 }
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