nir_intrinsics_c.py

from functools import reduce
import operator

template = """\
/* Copyright (C) 2018 Red Hat
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include "nir.h"

const nir_intrinsic_info nir_intrinsic_infos[nir_num_intrinsics] = {
% for name, opcode in sorted(INTR_OPCODES.items()):
{
   .name = "${name}",
   .num_srcs = ${opcode.num_srcs},
% if opcode.src_components:
   .src_components = {
      ${", ".join(str(comp) for comp in opcode.src_components)}
   },
% endif
   .has_dest = ${"true" if opcode.has_dest else "false"},
   .dest_components = ${max(opcode.dest_components, 0)},
   .dest_bit_sizes = ${hex(reduce(operator.or_, opcode.bit_sizes, 0))},
   .bit_size_src = ${opcode.bit_size_src},
   .num_indices = ${opcode.num_indices},
% if opcode.indices:
   .indices = {
% for i in range(len(opcode.indices)):
      NIR_INTRINSIC_${opcode.indices[i].name.upper()},
% endfor
   },
   .index_map = {
% for i in range(len(opcode.indices)):
      [NIR_INTRINSIC_${opcode.indices[i].name.upper()}] = ${i + 1},
% endfor
    },
% endif
   .flags = ${"0" if len(opcode.flags) == 0 else " | ".join(opcode.flags)},
},
% endfor
};

const char *nir_intrinsic_index_names[NIR_INTRINSIC_NUM_INDEX_FLAGS] = {
% for index in INTR_INDICES:
   "${index.name}",
% endfor
};
"""

from nir_intrinsics import INTR_OPCODES, INTR_INDICES
from mako.template import Template
import argparse
import os

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('--outdir', required=True,
                        help='Directory to put the generated files in')

    args = parser.parse_args()

    path = os.path.join(args.outdir, 'nir_intrinsics.c')
    with open(path, 'wb') as f:
        f.write(Template(template, output_encoding='utf-8').render(
            INTR_OPCODES=INTR_OPCODES, INTR_INDICES=INTR_INDICES,
            reduce=reduce, operator=operator))

if __name__ == '__main__':
    main()