-#! /usr/bin/env python
#
# Copyright (C) 2014 Connor Abbott
#
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_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']:
+ case nir_type_${src_t}:
+ switch (dst_base) {
+% for dst_t in ['int', 'uint', 'float']:
+ case nir_type_${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
+% endif
+ switch (dst_bit_size) {
+% for dst_bits in [16, 32, 64]:
+ case ${dst_bits}:
+% if src_t == 'float' and dst_t == 'float' and dst_bits == 16:
+ switch(rnd) {
+% for rnd_t in ['rtne', 'rtz', 'undef']:
+ case nir_rounding_mode_${rnd_t}:
+ return ${'nir_op_{0}2{1}{2}_{3}'.format(src_t[0], dst_t[0],
+ dst_bits, rnd_t)};
+% 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
+ case nir_type_bool:
+% if src_t == 'float':
+ return nir_op_f2b;
+% else:
+ return nir_op_i2b;
+% endif
+ default:
+ unreachable("Invalid nir alu base type");
+ }
+% endfor
+ case nir_type_bool:
+ switch (dst_base) {
+ case nir_type_int:
+ case nir_type_uint:
+ return nir_op_b2i;
+ case nir_type_float:
+ return nir_op_b2f;
+ default:
+ unreachable("Invalid nir alu base type");
+ }
+ default:
+ unreachable("Invalid nir alu base type");
+ }
+}
+
const nir_op_info nir_op_infos[nir_num_opcodes] = {
% for name, opcode in sorted(opcodes.iteritems()):
{