1# 2# Copyright (C) 2014 Connor Abbott 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# 23# Authors: 24# Connor Abbott (cwabbott0@gmail.com) 25 26from __future__ import print_function 27 28from nir_opcodes import opcodes, type_sizes 29from mako.template import Template 30 31template = Template(""" 32#include "nir.h" 33 34nir_op 35nir_type_conversion_op(nir_alu_type src, nir_alu_type dst, nir_rounding_mode rnd) 36{ 37 nir_alu_type src_base = (nir_alu_type) nir_alu_type_get_base_type(src); 38 nir_alu_type dst_base = (nir_alu_type) nir_alu_type_get_base_type(dst); 39 unsigned src_bit_size = nir_alu_type_get_type_size(src); 40 unsigned dst_bit_size = nir_alu_type_get_type_size(dst); 41 42 if (src == dst && src_base == nir_type_float) { 43 return nir_op_mov; 44 } else if (src == dst && src_base == nir_type_bool) { 45 return nir_op_mov; 46 } else if ((src_base == nir_type_int || src_base == nir_type_uint) && 47 (dst_base == nir_type_int || dst_base == nir_type_uint) && 48 src_bit_size == dst_bit_size) { 49 /* Integer <-> integer conversions with the same bit-size on both 50 * ends are just no-op moves. 51 */ 52 return nir_op_mov; 53 } 54 55 switch (src_base) { 56% for src_t in ['int', 'uint', 'float', 'bool']: 57 case nir_type_${src_t}: 58 switch (dst_base) { 59% for dst_t in ['int', 'uint', 'float', 'bool']: 60 case nir_type_${dst_t}: 61% if src_t in ['int', 'uint'] and dst_t in ['int', 'uint']: 62% if dst_t == 'int': 63<% continue %> 64% else: 65<% dst_t = src_t %> 66% endif 67% elif src_t == 'bool' and dst_t in ['int', 'uint', 'bool']: 68% if dst_t == 'int': 69<% continue %> 70% else: 71<% dst_t = 'int' %> 72% endif 73% elif src_t == 'uint' and dst_t == 'bool': 74<% src_t = 'int' %> 75% endif 76 switch (dst_bit_size) { 77% for dst_bits in type_sizes(dst_t): 78 case ${dst_bits}: 79% if src_t == 'float' and dst_t == 'float' and dst_bits == 16: 80 switch(rnd) { 81% for rnd_t in [('rtne', '_rtne'), ('rtz', '_rtz'), ('undef', '')]: 82 case nir_rounding_mode_${rnd_t[0]}: 83 return ${'nir_op_{0}2{1}{2}{3}'.format(src_t[0], dst_t[0], 84 dst_bits, rnd_t[1])}; 85% endfor 86 default: 87 unreachable("Invalid 16-bit nir rounding mode"); 88 } 89% else: 90 assert(rnd == nir_rounding_mode_undef); 91 return ${'nir_op_{0}2{1}{2}'.format(src_t[0], dst_t[0], dst_bits)}; 92% endif 93% endfor 94 default: 95 unreachable("Invalid nir alu bit size"); 96 } 97% endfor 98 default: 99 unreachable("Invalid nir alu base type"); 100 } 101% endfor 102 default: 103 unreachable("Invalid nir alu base type"); 104 } 105} 106 107const nir_op_info nir_op_infos[nir_num_opcodes] = { 108% for name, opcode in sorted(opcodes.items()): 109{ 110 .name = "${name}", 111 .num_inputs = ${opcode.num_inputs}, 112 .output_size = ${opcode.output_size}, 113 .output_type = ${"nir_type_" + opcode.output_type}, 114 .input_sizes = { 115 ${ ", ".join(str(size) for size in opcode.input_sizes) } 116 }, 117 .input_types = { 118 ${ ", ".join("nir_type_" + type for type in opcode.input_types) } 119 }, 120 .is_conversion = ${"true" if opcode.is_conversion else "false"}, 121 .algebraic_properties = 122 ${ "0" if opcode.algebraic_properties == "" else " | ".join( 123 "NIR_OP_IS_" + prop.upper() for prop in 124 opcode.algebraic_properties.strip().split(" ")) } 125}, 126% endfor 127}; 128""") 129 130print(template.render(opcodes=opcodes, type_sizes=type_sizes)) 131