src/amd/compiler/aco_ir.cpp

   1 /*
   2  * Copyright © 2020 Valve 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 #include "aco_ir.h"
  25
  26 namespace aco {
  27
  28 bool can_use_opsel(chip_class chip, aco_opcode op, int idx, bool high)
  29 {
  30    /* opsel is only GFX9+ */
  31    if ((high || idx == -1) && chip < GFX9)
  32       return false;
  33
  34    switch (op) {
  35    case aco_opcode::v_div_fixup_f16:
  36    case aco_opcode::v_fma_f16:
  37    case aco_opcode::v_mad_f16:
  38    case aco_opcode::v_mad_u16:
  39    case aco_opcode::v_mad_i16:
  40    case aco_opcode::v_med3_f16:
  41    case aco_opcode::v_med3_i16:
  42    case aco_opcode::v_med3_u16:
  43    case aco_opcode::v_min3_f16:
  44    case aco_opcode::v_min3_i16:
  45    case aco_opcode::v_min3_u16:
  46    case aco_opcode::v_max3_f16:
  47    case aco_opcode::v_max3_i16:
  48    case aco_opcode::v_max3_u16:
  49    case aco_opcode::v_max_u16_e64:
  50    case aco_opcode::v_max_i16_e64:
  51    case aco_opcode::v_min_u16_e64:
  52    case aco_opcode::v_min_i16_e64:
  53    case aco_opcode::v_add_i16:
  54    case aco_opcode::v_sub_i16:
  55    case aco_opcode::v_add_u16_e64:
  56    case aco_opcode::v_sub_u16_e64:
  57    case aco_opcode::v_cvt_pknorm_i16_f16:
  58    case aco_opcode::v_cvt_pknorm_u16_f16:
  59    case aco_opcode::v_lshlrev_b16_e64:
  60    case aco_opcode::v_lshrrev_b16_e64:
  61    case aco_opcode::v_ashrrev_i16_e64:
  62    case aco_opcode::v_mul_lo_u16_e64:
  63       return true;
  64    case aco_opcode::v_pack_b32_f16:
  65       return idx != -1;
  66    case aco_opcode::v_mad_u32_u16:
  67    case aco_opcode::v_mad_i32_i16:
  68       return idx >= 0 && idx < 2;
  69    default:
  70       return false;
  71    }
  72 }
  73
  74 }