MSP430.h source code [clang_source_code/lib/Basic/Targets/MSP430.h]

1	//===--- MSP430.h - Declare MSP430 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 MSP430 TargetInfo objects.
10	//
11	//===----------------------------------------------------------------------===//
12
13	#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
14	#define LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_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	class LLVM_LIBRARY_VISIBILITY MSP430TargetInfo : public TargetInfo {
25	static const char *const GCCRegNames[];
26
27	public:
28	MSP430TargetInfo(const llvm::Triple &Triple, const TargetOptions &)
29	: TargetInfo(Triple) {
30	TLSSupported = false;
31	IntWidth = 16;
32	IntAlign = 16;
33	LongWidth = 32;
34	LongLongWidth = 64;
35	LongAlign = LongLongAlign = 16;
36	FloatWidth = 32;
37	FloatAlign = 16;
38	DoubleWidth = LongDoubleWidth = 64;
39	DoubleAlign = LongDoubleAlign = 16;
40	PointerWidth = 16;
41	PointerAlign = 16;
42	SuitableAlign = 16;
43	SizeType = UnsignedInt;
44	IntMaxType = SignedLongLong;
45	IntPtrType = SignedInt;
46	PtrDiffType = SignedInt;
47	SigAtomicType = SignedLong;
48	resetDataLayout("e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16");
49	}
50	void getTargetDefines(const LangOptions &Opts,
51	MacroBuilder &Builder) const override;
52
53	ArrayRef<Builtin::Info> getTargetBuiltins() const override {
54	// FIXME: Implement.
55	return None;
56	}
57
58	bool allowsLargerPreferedTypeAlignment() const override { return false; }
59
60	bool hasFeature(StringRef Feature) const override {
61	return Feature == "msp430";
62	}
63
64	ArrayRef<const char *> getGCCRegNames() const override;
65
66	ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
67	// No aliases.
68	return None;
69	}
70
71	bool validateAsmConstraint(const char *&Name,
72	TargetInfo::ConstraintInfo &info) const override {
73	// FIXME: implement
74	switch (*Name) {
75	case 'K': // the constant 1
76	case 'L': // constant -1^20 .. 1^19
77	case 'M': // constant 1-4:
78	return true;
79	}
80	// No target constraints for now.
81	return false;
82	}
83
84	const char *getClobbers() const override {
85	// FIXME: Is this really right?
86	return "";
87	}
88
89	BuiltinVaListKind getBuiltinVaListKind() const override {
90	// FIXME: implement
91	return TargetInfo::CharPtrBuiltinVaList;
92	}
93	};
94
95	} // namespace targets
96	} // namespace clang
97	#endif // LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
98

Clang Project