2 # Copyright (C) 2018 Alyssa Rosenzweig
4 # Copyright (C) 2016 Intel Corporation
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:
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
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
34 # ineg must be lowered late, but only for integers; floats will try to
35 # have modifiers attached... hence why this has to be here rather than
36 # a more standard lower_negate approach
38 (('ineg', a
), ('isub', 0, a
)),
40 # These two special-cases save space/an op than the actual csel op +
41 # scheduler flexibility
43 (('b32csel', a
, 'b@32', 0), ('iand', a
, b
)),
44 (('b32csel', a
, 0, 'b@32'), ('iand', ('inot', a
), b
)),
47 # Midgard scales fsin/fcos arguments by pi.
48 # Pass must be run only once, after the main loop
51 (('fsin', a
), ('fsin', ('fdiv', a
, math
.pi
))),
52 (('fcos', a
), ('fcos', ('fdiv', a
, math
.pi
))),
56 parser
= argparse
.ArgumentParser()
57 parser
.add_argument('-p', '--import-path', required
=True)
58 args
= parser
.parse_args()
59 sys
.path
.insert(0, args
.import_path
)
64 import nir_algebraic
# pylint: disable=import-error
66 print('#include "midgard_nir.h"')
68 print(nir_algebraic
.AlgebraicPass("midgard_nir_lower_algebraic_late",
69 algebraic_late
).render())
71 print(nir_algebraic
.AlgebraicPass("midgard_nir_scale_trig",
75 if __name__
== '__main__':