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 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31 enum brw_reg_file;
  32 struct gen_device_info;
  33
  34 /*
  35  * The ordering has been chosen so that no enum value is the same as a
  36  * compatible hardware encoding.
  37  */
  38 enum PACKED brw_reg_type {
  39    /** Floating-point types: @{ */
  40    BRW_REGISTER_TYPE_DF,
  41    BRW_REGISTER_TYPE_F,
  42    BRW_REGISTER_TYPE_HF,
  43    BRW_REGISTER_TYPE_VF,
  44    /** @} */
  45
  46    /** Integer types: @{ */
  47    BRW_REGISTER_TYPE_Q,
  48    BRW_REGISTER_TYPE_UQ,
  49    BRW_REGISTER_TYPE_D,
  50    BRW_REGISTER_TYPE_UD,
  51    BRW_REGISTER_TYPE_W,
  52    BRW_REGISTER_TYPE_UW,
  53    BRW_REGISTER_TYPE_B,
  54    BRW_REGISTER_TYPE_UB,
  55    BRW_REGISTER_TYPE_V,
  56    BRW_REGISTER_TYPE_UV,
  57    /** @} */
  58
  59    BRW_REGISTER_TYPE_LAST = BRW_REGISTER_TYPE_UV
  60 };
  61
  62 unsigned
  63 brw_reg_type_to_hw_type(const struct gen_device_info *devinfo,
  64                         enum brw_reg_file file, enum brw_reg_type type);
  65
  66 enum brw_reg_type
  67 brw_hw_type_to_reg_type(const struct gen_device_info *devinfo,
  68                         enum brw_reg_file file, unsigned hw_type);
  69
  70 #define brw_element_size(devinfo, inst, operand)                                \
  71    brw_hw_reg_type_to_size(devinfo,                                             \
  72                            brw_inst_ ## operand ## _reg_file(devinfo, inst),    \
  73                            brw_inst_ ## operand ## _reg_hw_type(devinfo, inst))
  74 unsigned
  75 brw_hw_reg_type_to_size(const struct gen_device_info *devinfo,
  76                         enum brw_reg_file file, unsigned hw_type);
  77
  78 #ifdef __cplusplus
  79 }
  80 #endif
  81
  82 #endif