mirror of https://gitlab.freedesktop.org/mesa/mesa
70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
# Copyright (C) 2023 Red Hat, Inc.
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# Copyright (C) 2021 Collabora, Ltd.
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# Copyright (C) 2016 Intel Corporation
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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import argparse
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import sys
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a = 'a'
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b = 'b'
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c = 'c'
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# common conditions to improve readability
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volta = 'nak->sm >= 70 && nak->sm < 75'
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algebraic_lowering = [
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# Volta doesn't have `IMNMX`
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(('imin', 'a', 'b'), ('bcsel', ('ilt', a, b), a, b), volta),
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(('imax', 'a', 'b'), ('bcsel', ('ilt', a, b), b, a), volta),
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(('umin', 'a', 'b'), ('bcsel', ('ult', a, b), a, b), volta),
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(('umax', 'a', 'b'), ('bcsel', ('ult', a, b), b, a), volta),
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]
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late_optimizations = [
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(('iadd@32', ('imul(nak_is_only_used_by_iadd)', a, b), c),
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('imad', a, b, c), 'nak->sm >= 70'),
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]
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--out', required=True, help='Output file.')
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parser.add_argument('-p', '--import-path', required=True)
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args = parser.parse_args()
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sys.path.insert(0, args.import_path)
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import nir_algebraic # pylint: disable=import-error
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try:
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with open(args.out, 'w', encoding='utf-8') as f:
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f.write('#include "nak_private.h"')
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f.write(nir_algebraic.AlgebraicPass(
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"nak_nir_lower_algebraic_late",
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algebraic_lowering + late_optimizations,
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[
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("const struct nak_compiler *", "nak"),
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]).render())
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except Exception:
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sys.exit(1)
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if __name__ == '__main__':
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main()
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