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 nir_opcodes import opcodes 27from mako.template import Template 28 29template = Template(""" 30#include "nir.h" 31 32nir_op 33nir_type_conversion_op(nir_alu_type src, nir_alu_type dst, nir_rounding_mode rnd) 34{ 35 nir_alu_type src_base = (nir_alu_type) nir_alu_type_get_base_type(src); 36 nir_alu_type dst_base = (nir_alu_type) nir_alu_type_get_base_type(dst); 37 unsigned src_bit_size = nir_alu_type_get_type_size(src); 38 unsigned dst_bit_size = nir_alu_type_get_type_size(dst); 39 40 if (src == dst && src_base == nir_type_float) { 41 return nir_op_fmov; 42 } else if ((src_base == nir_type_int || src_base == nir_type_uint) && 43 (dst_base == nir_type_int || dst_base == nir_type_uint) && 44 src_bit_size == dst_bit_size) { 45 /* Integer <-> integer conversions with the same bit-size on both 46 * ends are just no-op moves. 47 */ 48 return nir_op_imov; 49 } 50 51 switch (src_base) { 52% for src_t in ['int', 'uint', 'float']: 53 case nir_type_${src_t}: 54 switch (dst_base) { 55% for dst_t in ['int', 'uint', 'float']: 56 case nir_type_${dst_t}: 57% if src_t in ['int', 'uint'] and dst_t in ['int', 'uint']: 58% if dst_t == 'int': 59<% continue %> 60% else: 61<% dst_t = src_t %> 62% endif 63% endif 64 switch (dst_bit_size) { 65% for dst_bits in [16, 32, 64]: 66 case ${dst_bits}: 67% if src_t == 'float' and dst_t == 'float' and dst_bits == 16: 68 switch(rnd) { 69% for rnd_t in ['rtne', 'rtz', 'undef']: 70 case nir_rounding_mode_${rnd_t}: 71 return ${'nir_op_{0}2{1}{2}_{3}'.format(src_t[0], dst_t[0], 72 dst_bits, rnd_t)}; 73% endfor 74 default: 75 unreachable("Invalid 16-bit nir rounding mode"); 76 } 77% else: 78 assert(rnd == nir_rounding_mode_undef); 79 return ${'nir_op_{0}2{1}{2}'.format(src_t[0], dst_t[0], dst_bits)}; 80% endif 81% endfor 82 default: 83 unreachable("Invalid nir alu bit size"); 84 } 85% endfor 86 case nir_type_bool: 87% if src_t == 'float': 88 return nir_op_f2b; 89% else: 90 return nir_op_i2b; 91% endif 92 default: 93 unreachable("Invalid nir alu base type"); 94 } 95% endfor 96 case nir_type_bool: 97 switch (dst_base) { 98 case nir_type_int: 99 case nir_type_uint: 100 return nir_op_b2i; 101 case nir_type_float: 102 return nir_op_b2f; 103 default: 104 unreachable("Invalid nir alu base type"); 105 } 106 default: 107 unreachable("Invalid nir alu base type"); 108 } 109} 110 111const nir_op_info nir_op_infos[nir_num_opcodes] = { 112% for name, opcode in sorted(opcodes.iteritems()): 113{ 114 .name = "${name}", 115 .num_inputs = ${opcode.num_inputs}, 116 .output_size = ${opcode.output_size}, 117 .output_type = ${"nir_type_" + opcode.output_type}, 118 .input_sizes = { 119 ${ ", ".join(str(size) for size in opcode.input_sizes) } 120 }, 121 .input_types = { 122 ${ ", ".join("nir_type_" + type for type in opcode.input_types) } 123 }, 124 .algebraic_properties = 125 ${ "0" if opcode.algebraic_properties == "" else " | ".join( 126 "NIR_OP_IS_" + prop.upper() for prop in 127 opcode.algebraic_properties.strip().split(" ")) } 128}, 129% endfor 130}; 131""") 132 133print template.render(opcodes=opcodes) 134