# # Copyright (C) 2014 Connor Abbott # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice (including the next # paragraph) shall be included in all copies or substantial portions of the # Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS # IN THE SOFTWARE. # # Authors: # Connor Abbott (cwabbott0@gmail.com) from __future__ import print_function from nir_opcodes import opcodes, type_sizes from mako.template import Template template = Template(""" #include "nir.h" nir_op nir_type_conversion_op(nir_alu_type src, nir_alu_type dst, nir_rounding_mode rnd) { nir_alu_type src_base = (nir_alu_type) nir_alu_type_get_base_type(src); nir_alu_type dst_base = (nir_alu_type) nir_alu_type_get_base_type(dst); unsigned src_bit_size = nir_alu_type_get_type_size(src); unsigned dst_bit_size = nir_alu_type_get_type_size(dst); if (src == dst && src_base == nir_type_float) { return nir_op_fmov; } else if (src == dst && src_base == nir_type_bool) { return nir_op_imov; } else if ((src_base == nir_type_int || src_base == nir_type_uint) && (dst_base == nir_type_int || dst_base == nir_type_uint) && src_bit_size == dst_bit_size) { /* Integer <-> integer conversions with the same bit-size on both * ends are just no-op moves. */ return nir_op_imov; } switch (src_base) { % for src_t in ['int', 'uint', 'float', 'bool']: case nir_type_${src_t}: switch (dst_base) { % for dst_t in ['int', 'uint', 'float', 'bool']: case nir_type_${dst_t}: % if src_t in ['int', 'uint'] and dst_t in ['int', 'uint']: % if dst_t == 'int': <% continue %> % else: <% dst_t = src_t %> % endif % elif src_t == 'bool' and dst_t in ['int', 'uint', 'bool']: % if dst_t == 'int': <% continue %> % else: <% dst_t = 'int' %> % endif % elif src_t == 'uint' and dst_t == 'bool': <% src_t = 'int' %> % endif switch (dst_bit_size) { % for dst_bits in type_sizes(dst_t): case ${dst_bits}: % if src_t == 'float' and dst_t == 'float' and dst_bits == 16: switch(rnd) { % for rnd_t in [('rtne', '_rtne'), ('rtz', '_rtz'), ('undef', '')]: case nir_rounding_mode_${rnd_t[0]}: return ${'nir_op_{0}2{1}{2}{3}'.format(src_t[0], dst_t[0], dst_bits, rnd_t[1])}; % endfor default: unreachable("Invalid 16-bit nir rounding mode"); } % else: assert(rnd == nir_rounding_mode_undef); return ${'nir_op_{0}2{1}{2}'.format(src_t[0], dst_t[0], dst_bits)}; % endif % endfor default: unreachable("Invalid nir alu bit size"); } % endfor default: unreachable("Invalid nir alu base type"); } % endfor default: unreachable("Invalid nir alu base type"); } } const nir_op_info nir_op_infos[nir_num_opcodes] = { % for name, opcode in sorted(opcodes.items()): { .name = "${name}", .num_inputs = ${opcode.num_inputs}, .output_size = ${opcode.output_size}, .output_type = ${"nir_type_" + opcode.output_type}, .input_sizes = { ${ ", ".join(str(size) for size in opcode.input_sizes) } }, .input_types = { ${ ", ".join("nir_type_" + type for type in opcode.input_types) } }, .algebraic_properties = ${ "0" if opcode.algebraic_properties == "" else " | ".join( "NIR_OP_IS_" + prop.upper() for prop in opcode.algebraic_properties.strip().split(" ")) } }, % endfor }; """) print(template.render(opcodes=opcodes, type_sizes=type_sizes))