core_defs.h revision 4df77d18bf57187f8e7142c6f7a70a9cdd3d581e 
1/*
2 * Copyright 2017, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef CORE_DEFS_H
18#define CORE_DEFS_H
19
20namespace android {
21namespace spirit {
22
23class Instruction;
24
25typedef int32_t LiteralInteger;
26typedef const char *LiteralString;
27typedef union {
28  int32_t intValue;
29  int64_t longValue;
30  float floatValue;
31  double doubleValue;
32} LiteralContextDependentNumber;
33typedef uint32_t LiteralExtInstInteger;
34typedef uint32_t LiteralSpecConstantOpInteger;
35typedef uint32_t IdResult;
36
37struct IdRef {
38  IdRef() : mId(0), mInstruction(nullptr) {}
39  IdRef(Instruction *inst);
40
41  uint32_t mId;
42  mutable Instruction *mInstruction;
43};
44
45// TODO: specialize these ref types
46// TODO: should only reference type instructions
47struct IdResultType : public IdRef {
48  IdResultType() : IdRef() {}
49  IdResultType(Instruction *inst) : IdRef(inst) {}
50};
51
52// TODO: should only reference int representing memory semeantics
53struct IdMemorySemantics : public IdRef {};
54// TODO: should only reference int representing scopes
55struct IdScope : public IdRef {};
56
57struct OpCodeAndWordCount {
58  OpCodeAndWordCount() : mOpCode(0) {}
59  OpCodeAndWordCount(uint32_t codeAndCount)
60      : mOpCode((uint16_t)codeAndCount),
61        mWordCount((uint32_t)(codeAndCount >> 16)) {}
62  OpCodeAndWordCount(uint32_t opcode, uint32_t wordCount)
63      : mOpCode((uint16_t)opcode), mWordCount((uint16_t)wordCount) {}
64
65  operator uint32_t() const {
66    return ((uint32_t)mWordCount << 16) | (uint32_t)mOpCode;
67  }
68
69  uint16_t mOpCode;
70  uint16_t mWordCount;
71};
72
73} // namespace spirit
74} // namespace android
75
76#endif // CORE_DEFS_H
77