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1 /* brig-control-handler.cc -- brig control directive handling
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2 Copyright (C) 2016-2018 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 "diagnostic.h"
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24 #include "print-tree.h"
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25
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26 size_t
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27 brig_directive_control_handler::operator () (const BrigBase *base)
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28 {
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29 const BrigDirectiveControl *inst = (const BrigDirectiveControl *) base;
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30 const BrigData *operand_entries
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31 = m_parent.get_brig_data_entry (inst->operands);
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32
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33 /* Parse the constant integer operands. */
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34 std::vector<tree> operands;
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35 for (size_t i = 0; i < operand_entries->byteCount / 4; ++i)
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36 {
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37 uint32_t operand_offset
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38 = ((const uint32_t *) &operand_entries->bytes)[i];
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39 const BrigBase *operand_data
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40 = m_parent.get_brig_operand_entry (operand_offset);
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41
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42 tree operand_type
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43 = (inst->control == BRIG_CONTROL_REQUIREDGRIDSIZE
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44 || inst->control == BRIG_CONTROL_MAXFLATGRIDSIZE) ?
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45 uint64_type_node : uint32_type_node;
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46 operands.push_back
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47 (build_tree_operand (*(const BrigInstBase*)inst, *operand_data,
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48 operand_type));
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49 }
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50
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51 switch (inst->control)
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52 {
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53 case BRIG_CONTROL_MAXDYNAMICGROUPSIZE:
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54 {
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55 m_parent.m_cf->m_descriptor.max_dynamic_group_size
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56 = brig_function::int_constant_value (operands.at (0));
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57 break;
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58 }
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59 case BRIG_CONTROL_MAXFLATGRIDSIZE:
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60 {
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61 m_parent.m_cf->m_descriptor.max_flat_grid_size
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62 = brig_function::int_constant_value (operands.at (0));
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63 break;
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64 }
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65 case BRIG_CONTROL_MAXFLATWORKGROUPSIZE:
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66 {
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67 m_parent.m_cf->m_descriptor.max_flat_workgroup_size
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68 = brig_function::int_constant_value (operands.at (0));
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69 break;
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70 }
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71 case BRIG_CONTROL_REQUIREDDIM:
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72 {
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73 m_parent.m_cf->m_descriptor.required_dim
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74 = brig_function::int_constant_value (operands.at (0));
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75 break;
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76 }
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77 case BRIG_CONTROL_REQUIREDGRIDSIZE:
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78 {
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79 m_parent.m_cf->m_descriptor.required_grid_size[0]
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80 = brig_function::int_constant_value (operands.at (0));
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81 m_parent.m_cf->m_descriptor.required_grid_size[1]
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82 = brig_function::int_constant_value (operands.at (1));
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83 m_parent.m_cf->m_descriptor.required_grid_size[2]
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84 = brig_function::int_constant_value (operands.at (2));
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85 break;
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86 }
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87 case BRIG_CONTROL_REQUIREDWORKGROUPSIZE:
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88 {
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89 m_parent.m_cf->m_descriptor.required_workgroup_size[0]
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90 = brig_function::int_constant_value (operands.at (0));
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91 m_parent.m_cf->m_descriptor.required_workgroup_size[1]
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92 = brig_function::int_constant_value (operands.at (1));
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93 m_parent.m_cf->m_descriptor.required_workgroup_size[2]
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94 = brig_function::int_constant_value (operands.at (2));
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95 break;
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96 }
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97 case BRIG_CONTROL_REQUIRENOPARTIALWORKGROUPS:
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98 /* Performance hint only, ignored for now. */
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99 break;
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100 case BRIG_CONTROL_ENABLEBREAKEXCEPTIONS:
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101 case BRIG_CONTROL_ENABLEDETECTEXCEPTIONS:
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102 /* Unimplemented. */
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103 break;
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104 default:
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105 sorry ("Unsupported control directive %x.\n", inst->control);
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106 }
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107 return base->byteCount;
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108 }
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