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2# Copyright (C) 2019 Igalia S.L.
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22
23import argparse
24import sys
25
26imul_lowering = [
27	(('imul', 'a@32', 'b@32'), ('imadsh_mix16', 'b', 'a', ('imadsh_mix16', 'a', 'b', ('umul_low', 'a', 'b')))),
28        # We want to run the imad24 rule late so that it doesn't fight
29        # with constant folding the (imul24, a, b).  Since this pass is
30        # run late, and this is kinda imul related, this seems like a
31        # good place for it:
32        (('iadd', ('imul24', 'a', 'b'), 'c'), ('imad24_ir3', 'a', 'b', 'c')),
33]
34
35
36def main():
37    parser = argparse.ArgumentParser()
38    parser.add_argument('-p', '--import-path', required=True)
39    args = parser.parse_args()
40    sys.path.insert(0, args.import_path)
41    run()
42
43
44def run():
45    import nir_algebraic  # pylint: disable=import-error
46
47    print('#include "ir3_nir.h"')
48    print(nir_algebraic.AlgebraicPass("ir3_nir_lower_imul",
49                                      imul_lowering).render())
50
51
52if __name__ == '__main__':
53    main()
54