3 # Copyright (C) 2014 Intel Corporation
5 # Permission is hereby granted, free of charge, to any person obtaining a
6 # copy of this software and associated documentation files (the "Software"),
7 # to deal in the Software without restriction, including without limitation
8 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 # and/or sell copies of the Software, and to permit persons to whom the
10 # Software is furnished to do so, subject to the following conditions:
12 # The above copyright notice and this permission notice (including the next
13 # paragraph) shall be included in all copies or substantial portions of the
16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 # Jason Ekstrand (jason@jlekstrand.net)
29 # Convenience variables
35 # Written in the form (<search>, <replace>) where <search> is an expression
36 # and <replace> is either an expression or a value. An expression is
37 # defined as a tuple of the form (<op>, <src0>, <src1>, <src2>, <src3>)
38 # where each source is either an expression or a value. A value can be
39 # either a numeric constant or a string representing a variable name. For
40 # constants, you have to be careful to make sure that it is the right type
41 # because python is unaware of the source and destination types of the
45 (('fneg', ('fneg', a
)), a
),
46 (('ineg', ('ineg', a
)), a
),
47 (('fabs', ('fabs', a
)), ('fabs', a
)),
48 (('fabs', ('fneg', a
)), ('fabs', a
)),
49 (('iabs', ('iabs', a
)), ('iabs', a
)),
50 (('iabs', ('ineg', a
)), ('iabs', a
)),
51 (('fadd', a
, 0.0), a
),
53 (('fmul', a
, 0.0), 0.0),
55 (('fmul', a
, 1.0), a
),
57 (('fmul', a
, -1.0), ('fneg', a
)),
58 (('imul', a
, -1), ('ineg', a
)),
59 (('ffma', 0.0, a
, b
), b
),
60 (('ffma', a
, 0.0, b
), b
),
61 (('ffma', a
, b
, 0.0), ('fmul', a
, b
)),
62 (('ffma', a
, 1.0, b
), ('fadd', a
, b
)),
63 (('ffma', 1.0, a
, b
), ('fadd', a
, b
)),
64 (('flrp', a
, b
, 0.0), a
),
65 (('flrp', a
, b
, 1.0), b
),
66 (('flrp', a
, a
, b
), a
),
67 (('flrp', 0.0, a
, b
), ('fmul', a
, b
)),
68 (('fadd', ('fmul', a
, b
), c
), ('ffma', a
, b
, c
)),
69 (('fge', ('fneg', ('fabs', a
)), 0.0), ('feq', a
, 0.0)),
70 (('fmin', ('fmax', a
, 1.0), 0.0), ('fsat', a
)),
71 # This one may not be exact
72 (('feq', ('fadd', a
, b
), 0.0), ('feq', a
, ('fneg', b
))),
75 print nir_algebraic
.AlgebraicPass("nir_opt_algebraic", optimizations
).render()
projects / mesa.git / blob