1#!/usr/bin/python3
2#
3# Copyright (C) 2023 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17"""Generate machine IR register class definitions from data file."""
18
19def gen_machine_reg_class_inc(f, reg_classes):
20  for reg_class in reg_classes:
21    name = reg_class.get('name')
22    regs = reg_class.get('regs')
23    print('inline constexpr uint64_t k%sMask =' % (name), file=f)
24    for r in regs[: -1]:
25      print('    (1ULL << kMachineReg%s.reg()) |' % (r), file=f)
26    print('    (1ULL << kMachineReg%s.reg());' % (regs[-1]), file=f)
27    print('inline constexpr MachineRegClass k%s = {' % (name), file=f)
28    print('    "%s",' % (name), file=f)
29    print('    %d,' % (reg_class.get('size')), file=f)
30    print('    k%sMask,' % (name), file=f)
31    print('    %d,' % (len(regs)), file=f)
32    print('    {', file=f)
33    for r in regs:
34      print('      kMachineReg%s,' % (r), file=f)
35    print('    }', file=f)
36    print('};', file=f)
37
38
39def expand_aliases(reg_classes):
40  expanded = {}
41  for reg_class in reg_classes:
42    expanded_regs = []
43    for r in reg_class.get('regs'):
44      expanded_regs.extend(expanded.get(r, [r]))
45    reg_class['regs'] = expanded_regs
46    expanded[reg_class.get('name')] = expanded_regs
47