RISCV.h source code [clang_source_code/lib/Basic/Targets/RISCV.h]

1	//===--- RISCV.h - Declare RISCV target feature support ---------- C++ --===//
2	//
3	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4	// See https://llvm.org/LICENSE.txt for license information.
5	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6	//
7	//===----------------------------------------------------------------------===//
8	//
9	// This file declares RISCV TargetInfo objects.
10	//
11	//===----------------------------------------------------------------------===//
12
13	#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
14	#define LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
15
16	#include "clang/Basic/TargetInfo.h"
17	#include "clang/Basic/TargetOptions.h"
18	#include "llvm/ADT/Triple.h"
19	#include "llvm/Support/Compiler.h"
20
21	namespace clang {
22	namespace targets {
23
24	// RISC-V Target
25	class RISCVTargetInfo : public TargetInfo {
26	protected:
27	std::string ABI;
28	bool HasM;
29	bool HasA;
30	bool HasF;
31	bool HasD;
32	bool HasC;
33
34	public:
35	RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
36	: TargetInfo(Triple), HasM(false), HasA(false), HasF(false),
37	HasD(false), HasC(false) {
38	TLSSupported = false;
39	LongDoubleWidth = 128;
40	LongDoubleAlign = 128;
41	LongDoubleFormat = &llvm::APFloat::IEEEquad();
42	SuitableAlign = 128;
43	WCharType = SignedInt;
44	WIntType = UnsignedInt;
45	}
46
47	StringRef getABI() const override { return ABI; }
48	void getTargetDefines(const LangOptions &Opts,
49	MacroBuilder &Builder) const override;
50
51	ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
52
53	BuiltinVaListKind getBuiltinVaListKind() const override {
54	return TargetInfo::VoidPtrBuiltinVaList;
55	}
56
57	const char *getClobbers() const override { return ""; }
58
59	ArrayRef<const char *> getGCCRegNames() const override;
60
61	ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
62
63	bool validateAsmConstraint(const char *&Name,
64	TargetInfo::ConstraintInfo &Info) const override {
65	return false;
66	}
67
68	bool hasFeature(StringRef Feature) const override;
69
70	bool handleTargetFeatures(std::vector<std::string> &Features,
71	DiagnosticsEngine &Diags) override;
72	};
73	class LLVM_LIBRARY_VISIBILITY RISCV32TargetInfo : public RISCVTargetInfo {
74	public:
75	RISCV32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
76	: RISCVTargetInfo(Triple, Opts) {
77	IntPtrType = SignedInt;
78	PtrDiffType = SignedInt;
79	SizeType = UnsignedInt;
80	resetDataLayout("e-m:e-p:32:32-i64:64-n32-S128");
81	}
82
83	bool setABI(const std::string &Name) override {
84	// TODO: support ilp32f and ilp32d ABIs.
85	if (Name == "ilp32") {
86	ABI = Name;
87	return true;
88	}
89	return false;
90	}
91	};
92	class LLVM_LIBRARY_VISIBILITY RISCV64TargetInfo : public RISCVTargetInfo {
93	public:
94	RISCV64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
95	: RISCVTargetInfo(Triple, Opts) {
96	LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
97	IntMaxType = Int64Type = SignedLong;
98	resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n64-S128");
99	}
100
101	bool setABI(const std::string &Name) override {
102	// TODO: support lp64f and lp64d ABIs.
103	if (Name == "lp64") {
104	ABI = Name;
105	return true;
106	}
107	return false;
108	}
109	};
110	} // namespace targets
111	} // namespace clang
112
113	#endif // LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
114

clang::targets::RISCVTargetInfo::ABI

clang::targets::RISCVTargetInfo::HasM

clang::targets::RISCVTargetInfo::HasA

clang::targets::RISCVTargetInfo::HasF

clang::targets::RISCVTargetInfo::HasD

clang::targets::RISCVTargetInfo::HasC

clang::targets::RISCVTargetInfo::getABI

clang::targets::RISCVTargetInfo::getTargetDefines

clang::targets::RISCVTargetInfo::getTargetBuiltins

clang::targets::RISCVTargetInfo::getBuiltinVaListKind

clang::targets::RISCVTargetInfo::getClobbers

clang::targets::RISCVTargetInfo::getGCCRegNames

clang::targets::RISCVTargetInfo::getGCCRegAliases

clang::targets::RISCVTargetInfo::validateAsmConstraint

clang::targets::RISCVTargetInfo::hasFeature

clang::targets::RISCVTargetInfo::handleTargetFeatures

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