1# 2# Copyright (C) 2016 Intel Corporation 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 28trig_workarounds = [ 29 (('fsin', 'x@32'), ('fsin', ('fsub', ('fmul', 6.2831853, ('ffract', ('fadd', ('fmul', 0.15915494, 'x'), 0.5))), 3.14159265))), 30 (('fcos', 'x@32'), ('fcos', ('fsub', ('fmul', 6.2831853, ('ffract', ('fadd', ('fmul', 0.15915494, 'x'), 0.5))), 3.14159265))), 31] 32 33 34def main(): 35 parser = argparse.ArgumentParser() 36 parser.add_argument('-p', '--import-path', required=True) 37 args = parser.parse_args() 38 sys.path.insert(0, args.import_path) 39 run() 40 41 42def run(): 43 import nir_algebraic # pylint: disable=import-error 44 45 print('#include "ir3_nir.h"') 46 print(nir_algebraic.AlgebraicPass("ir3_nir_apply_trig_workarounds", 47 trig_workarounds).render()) 48 49 50if __name__ == '__main__': 51 main() 52