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1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef MAPLEBE_INCLUDE_X64_MPISEL_H
17 #define MAPLEBE_INCLUDE_X64_MPISEL_H
18 
19 #include "isel.h"
20 #include "x64_call_conv.h"
21 
22 namespace maplebe {
23 class X64MPIsel : public MPISel {
24 public:
X64MPIsel(MemPool & mp,MapleAllocator & allocator,CGFunc & f)25     X64MPIsel(MemPool &mp, MapleAllocator &allocator, CGFunc &f) : MPISel(mp, allocator, f) {}
26     ~X64MPIsel() override = default;
27     void SelectReturn(NaryStmtNode &retNode, Operand &opnd) override;
28     void SelectReturn() override;
29     void SelectCall(CallNode &callNode) override;
30     void SelectIcall(IcallNode &icallNode) override;
31     Operand &ProcessReturnReg(PrimType primType, int32 sReg) override;
32     Operand &GetTargetRetOperand(PrimType primType, int32 sReg) override;
33     Operand *SelectFloatingConst(MIRConst &floatingConst, PrimType primType) const override;
34     void SelectGoto(GotoNode &stmt) override;
35     void SelectIntrinsicCall(IntrinsiccallNode &intrinsiccallNode) override;
36     void SelectDeoptCall(CallNode &callNode) override;
37     void SelectTailICall(IcallNode &icallNode) override;
38     void SelectRangeGoto(RangeGotoNode &rangeGotoNode, Operand &srcOpnd) override;
39     void SelectCondGoto(CondGotoNode &stmt, BaseNode &condNode, Operand &opnd0) override;
40     Operand *SelectDiv(BinaryNode &node, Operand &opnd0, Operand &opnd1, const BaseNode &parent) override;
41     Operand *SelectRem(BinaryNode &node, Operand &opnd0, Operand &opnd1, const BaseNode &parent) override;
42     Operand *SelectMpy(BinaryNode &node, Operand &opnd0, Operand &opnd1, const BaseNode &parent) override;
43     Operand *SelectCmpOp(CompareNode &node, Operand &opnd0, Operand &opnd1, const BaseNode &parent) override;
44     Operand *SelectLnot(const UnaryNode &node, Operand &opnd0, const BaseNode &parent) override;
45     /* Create the operand interface directly */
46     MemOperand &CreateMemOpndOrNull(PrimType ptype, const BaseNode &parent, BaseNode &addrExpr, int64 offset = 0);
47     Operand *SelectCclz(IntrinsicopNode &node, Operand &opnd0, const BaseNode &parent) override;
48     Operand *SelectCctz(IntrinsicopNode &node, Operand &opnd0, const BaseNode &parent) override;
49     Operand *SelectSqrt(UnaryNode &node, Operand &opnd0, const BaseNode &parent) override;
50     RegOperand &SelectHeapConstant(
51         IntrinsicopNode &node, Operand &opnd0, Operand &opnd1, const BaseNode &parent) override;
52     RegOperand &SelectTaggedIsHeapObject(IntrinsicopNode &node, Operand &opnd0,
53                                          Operand &opnd1, const BaseNode &parent) override;
54     RegOperand &SelectIsStableElements(IntrinsicopNode &node, Operand &opnd0, Operand &opnd1,
55                                        Operand &opnd2, const BaseNode &parent) override;
56     RegOperand &SelectHasPendingException(
57         IntrinsicopNode &node, Operand &opnd0, Operand &opnd1, Operand &opnd2, const BaseNode &parent) override;
58     RegOperand &SelectGetHeapConstantTable(
59         IntrinsicopNode &node, Operand &opnd0, Operand &opnd1, Operand &opnd2, const BaseNode &parent) override;
60     RegOperand &SelectTaggedObjectIsString(
61         IntrinsicopNode &node, Operand &opnd0, Operand &opnd1, Operand &opnd2, Operand &opnd3,
62         Operand &opnd4, const BaseNode &parent) override;
63     RegOperand &SelectIsCOWArray(
64         IntrinsicopNode &node, Operand &opnd0, Operand &opnd1, Operand &opnd2, Operand &opnd3,
65         Operand &opnd4, Operand &opnd5, const BaseNode &parent) override;
66 
67 private:
68     MemOperand &GetOrCreateMemOpndFromSymbol(const MIRSymbol &symbol, FieldID fieldId = 0) const override;
69     MemOperand &GetOrCreateMemOpndFromSymbol(const MIRSymbol &symbol, uint32 opndSize, int64 offset) const override;
70     Insn &AppendCall(x64::X64MOP_t mOp, Operand &targetOpnd, ListOperand &paramOpnds, ListOperand &retOpnds);
71     void SelectCalleeReturn(MIRType *retType, ListOperand &retOpnds);
72 
73     void SelectOverFlowCall(const IntrinsiccallNode &intrnNode);
74     void SelectParmList(StmtNode &naryNode, ListOperand &srcOpnds, uint32 &fpNum);
75     void SelectMpy(Operand &resOpnd, Operand &opnd0, Operand &opnd1, PrimType primType);
76     void SelectPureCall(const IntrinsiccallNode &intrnNode);
77     RegOperand &LoadOpndIntoPhysicalRegister(const IntrinsiccallNode &intrnNode, uint32 index);
78     /* lt/le in float is replaced by gt/ge on swaped operands */
79     void SelectCmp(Operand &opnd0, Operand &opnd1, PrimType primType, bool isSwap = false);
80     void SelectCmpFloatEq(RegOperand &resOpnd, Operand &opnd0, Operand &opnd1, PrimType primResType,
81                           PrimType primOpndType);
82     void SelectCmpResult(RegOperand &resOpnd, Opcode opCode, PrimType primType, PrimType primOpndType);
83     void SelectSelect(Operand &resOpnd, Operand &trueOpnd, Operand &falseOpnd, PrimType primType, Opcode cmpOpcode,
84                       PrimType cmpPrimType);
85 
86     Operand *SelectDivRem(RegOperand &opnd0, RegOperand &opnd1, PrimType primType, Opcode opcode);
87     RegOperand &GetTargetBasicPointer(PrimType primType) override;
88     void SelectMinOrMax(bool isMin, Operand &resOpnd, Operand &opnd0, Operand &opnd1, PrimType primType) override;
89     void SelectPseduoForReturn(std::vector<RegOperand *> &retRegs);
90     RegOperand &SelectSpecialRegread(PregIdx pregIdx, PrimType primType) override;
91     void SelectRetypeFloat(RegOperand &resOpnd, Operand &opnd0, PrimType toType, PrimType fromType) override;
92 
93     /* save param pass by reg */
94     std::vector<std::tuple<RegOperand *, Operand *, PrimType>> paramPassByReg;
95 };
96 }  // namespace maplebe
97 
98 #endif /* MAPLEBE_INCLUDE_X64_MPISEL_H */
99