1# 2# Copyright (C) 2019 Igalia S.L. 3# 4# Permission is hereby granted, free of charge, to any person obtaining a 5# copy of this software and associated documentation files (the "Software"), 6# to deal in the Software without restriction, including without limitation 7# the rights to use, copy, modify, merge, publish, distribute, sublicense, 8# and/or sell copies of the Software, and to permit persons to whom the 9# Software is furnished to do so, subject to the following conditions: 10# 11# The above copyright notice and this permission notice (including the next 12# paragraph) shall be included in all copies or substantial portions of the 13# Software. 14# 15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21# IN THE SOFTWARE. 22 23from __future__ import print_function 24 25import argparse 26import sys 27 28imul_lowering = [ 29 (('imul', 'a@32', 'b@32'), ('imadsh_mix16', 'b', 'a', ('imadsh_mix16', 'a', 'b', ('umul_low', 'a', 'b')))), 30 # We want to run the imad24 rule late so that it doesn't fight 31 # with constant folding the (imul24, a, b). Since this pass is 32 # run late, and this is kinda imul related, this seems like a 33 # good place for it: 34 (('iadd', ('imul24', 'a', 'b'), 'c'), ('imad24_ir3', 'a', 'b', 'c')), 35] 36 37 38def main(): 39 parser = argparse.ArgumentParser() 40 parser.add_argument('-p', '--import-path', required=True) 41 args = parser.parse_args() 42 sys.path.insert(0, args.import_path) 43 run() 44 45 46def run(): 47 import nir_algebraic # pylint: disable=import-error 48 49 print('#include "ir3_nir.h"') 50 print(nir_algebraic.AlgebraicPass("ir3_nir_lower_imul", 51 imul_lowering).render()) 52 53 54if __name__ == '__main__': 55 main() 56