src/intel/compiler/brw_reg_type.h

   1 /*
   2  * Copyright © 2017 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
  24 #ifndef BRW_REG_TYPE_H
  25 #define BRW_REG_TYPE_H
  26
  27 #include <stdbool.h>
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #ifdef HAVE_FUNC_ATTRIBUTE_PURE
  34 #define ATTRIBUTE_PURE __attribute__((__pure__))
  35 #else
  36 #define ATTRIBUTE_PURE
  37 #endif
  38
  39 enum brw_reg_file;
  40 struct gen_device_info;
  41
  42 /*
  43  * The ordering has been chosen so that no enum value is the same as a
  44  * compatible hardware encoding.
  45  */
  46 enum PACKED brw_reg_type {
  47    /** Floating-point types: @{ */
  48    BRW_REGISTER_TYPE_NF,
  49    BRW_REGISTER_TYPE_DF,
  50    BRW_REGISTER_TYPE_F,
  51    BRW_REGISTER_TYPE_HF,
  52    BRW_REGISTER_TYPE_VF,
  53    /** @} */
  54
  55    /** Integer types: @{ */
  56    BRW_REGISTER_TYPE_Q,
  57    BRW_REGISTER_TYPE_UQ,
  58    BRW_REGISTER_TYPE_D,
  59    BRW_REGISTER_TYPE_UD,
  60    BRW_REGISTER_TYPE_W,
  61    BRW_REGISTER_TYPE_UW,
  62    BRW_REGISTER_TYPE_B,
  63    BRW_REGISTER_TYPE_UB,
  64    BRW_REGISTER_TYPE_V,
  65    BRW_REGISTER_TYPE_UV,
  66    /** @} */
  67
  68    BRW_REGISTER_TYPE_LAST = BRW_REGISTER_TYPE_UV
  69 };
  70
  71 static inline bool
  72 brw_reg_type_is_floating_point(enum brw_reg_type type)
  73 {
  74    switch (type) {
  75    case BRW_REGISTER_TYPE_NF:
  76    case BRW_REGISTER_TYPE_DF:
  77    case BRW_REGISTER_TYPE_F:
  78    case BRW_REGISTER_TYPE_HF:
  79       return true;
  80    default:
  81       return false;
  82    }
  83 }
  84
  85 static inline bool
  86 brw_reg_type_is_integer(enum brw_reg_type type)
  87 {
  88    switch (type) {
  89    case BRW_REGISTER_TYPE_Q:
  90    case BRW_REGISTER_TYPE_UQ:
  91    case BRW_REGISTER_TYPE_D:
  92    case BRW_REGISTER_TYPE_UD:
  93    case BRW_REGISTER_TYPE_W:
  94    case BRW_REGISTER_TYPE_UW:
  95    case BRW_REGISTER_TYPE_B:
  96    case BRW_REGISTER_TYPE_UB:
  97       return true;
  98    default:
  99       return false;
 100    }
 101 }
 102
 103 #define INVALID_REG_TYPE    ((enum brw_reg_type)-1)
 104 #define INVALID_HW_REG_TYPE ((unsigned)-1)
 105
 106 unsigned
 107 brw_reg_type_to_hw_type(const struct gen_device_info *devinfo,
 108                         enum brw_reg_file file, enum brw_reg_type type);
 109
 110 enum brw_reg_type ATTRIBUTE_PURE
 111 brw_hw_type_to_reg_type(const struct gen_device_info *devinfo,
 112                         enum brw_reg_file file, unsigned hw_type);
 113
 114 unsigned
 115 brw_reg_type_to_a16_hw_3src_type(const struct gen_device_info *devinfo,
 116                                  enum brw_reg_type type);
 117
 118 unsigned
 119 brw_reg_type_to_a1_hw_3src_type(const struct gen_device_info *devinfo,
 120                                 enum brw_reg_type type);
 121
 122 enum brw_reg_type
 123 brw_a16_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
 124                                  unsigned hw_type);
 125
 126 enum brw_reg_type
 127 brw_a1_hw_3src_type_to_reg_type(const struct gen_device_info *devinfo,
 128                                 unsigned hw_type, unsigned exec_type);
 129
 130 unsigned
 131 brw_reg_type_to_size(enum brw_reg_type type);
 132
 133 const char *
 134 brw_reg_type_to_letters(enum brw_reg_type type);
 135
 136 #ifdef __cplusplus
 137 }
 138 #endif
 139
 140 #endif