src/compiler/nir/nir_builder_opcodes_h.py

   1 from __future__ import print_function
   2
   3 template = """\
   4 /* Copyright (C) 2015 Broadcom
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23  * IN THE SOFTWARE.
  24  */
  25
  26 #ifndef _NIR_BUILDER_OPCODES_
  27 #define _NIR_BUILDER_OPCODES_
  28
  29 <%
  30 def src_decl_list(num_srcs):
  31    return ', '.join('nir_ssa_def *src' + str(i) for i in range(num_srcs))
  32
  33 def src_list(num_srcs):
  34    return ', '.join('src' + str(i) if i < num_srcs else 'NULL' for i in range(4))
  35 %>
  36
  37 % for name, opcode in sorted(opcodes.items()):
  38 static inline nir_ssa_def *
  39 nir_${name}(nir_builder *build, ${src_decl_list(opcode.num_inputs)})
  40 {
  41    return nir_build_alu(build, nir_op_${name}, ${src_list(opcode.num_inputs)});
  42 }
  43 % endfor
  44
  45 /* Generic builder for system values. */
  46 static inline nir_ssa_def *
  47 nir_load_system_value(nir_builder *build, nir_intrinsic_op op, int index,
  48                       unsigned bit_size)
  49 {
  50    nir_intrinsic_instr *load = nir_intrinsic_instr_create(build->shader, op);
  51    load->num_components = nir_intrinsic_infos[op].dest_components;
  52    load->const_index[0] = index;
  53    nir_ssa_dest_init(&load->instr, &load->dest,
  54                      nir_intrinsic_infos[op].dest_components, bit_size, NULL);
  55    nir_builder_instr_insert(build, &load->instr);
  56    return &load->dest.ssa;
  57 }
  58
  59 <%
  60 def sysval_decl_list(opcode):
  61    res = ''
  62    if opcode.indices:
  63       res += ', unsigned ' + opcode.indices[0].lower()
  64    if len(opcode.bit_sizes) != 1:
  65       res += ', unsigned bit_size'
  66    return res
  67
  68 def sysval_arg_list(opcode):
  69    args = []
  70    if opcode.indices:
  71       args.append(opcode.indices[0].lower())
  72    else:
  73       args.append('0')
  74
  75    if len(opcode.bit_sizes) == 1:
  76       bit_size = opcode.bit_sizes[0]
  77       args.append(str(bit_size))
  78    else:
  79       args.append('bit_size')
  80
  81    return ', '.join(args)
  82 %>
  83
  84 % for name, opcode in filter(lambda v: v[1].sysval, sorted(INTR_OPCODES.items())):
  85 <% assert len(opcode.bit_sizes) > 0 %>
  86 static inline nir_ssa_def *
  87 nir_${name}(nir_builder *build${sysval_decl_list(opcode)})
  88 {
  89    return nir_load_system_value(build, nir_intrinsic_${name},
  90                                 ${sysval_arg_list(opcode)});
  91 }
  92 % endfor
  93
  94 #endif /* _NIR_BUILDER_OPCODES_ */"""
  95
  96 from nir_opcodes import opcodes
  97 from nir_intrinsics import INTR_OPCODES
  98 from mako.template import Template
  99
 100 print(Template(template).render(opcodes=opcodes, INTR_OPCODES=INTR_OPCODES))