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/Support/Compiler.h"
19#include "llvm/TargetParser/Triple.h"
20
21namespace clang {
22namespace targets {
23
24class LLVM_LIBRARY_VISIBILITY MSP430TargetInfo : public TargetInfo {
25 static const char *const GCCRegNames[];
26
27public:
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(DL: "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 llvm::SmallVector<Builtin::InfosShard> getTargetBuiltins() const override {
54 // FIXME: Implement.
55 return {};
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 // Make r0 - r3 be recognized by llc (f.e., in clobber list)
68 static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
69 {.Aliases: {"r0"}, .Register: "pc"},
70 {.Aliases: {"r1"}, .Register: "sp"},
71 {.Aliases: {"r2"}, .Register: "sr"},
72 {.Aliases: {"r3"}, .Register: "cg"},
73 };
74 return llvm::ArrayRef(GCCRegAliases);
75 }
76
77 bool validateAsmConstraint(const char *&Name,
78 TargetInfo::ConstraintInfo &info) const override {
79 // FIXME: implement
80 switch (*Name) {
81 case 'K': // the constant 1
82 case 'L': // constant -1^20 .. 1^19
83 case 'M': // constant 1-4:
84 return true;
85 }
86 // No target constraints for now.
87 return false;
88 }
89
90 std::string_view getClobbers() const override {
91 // FIXME: Is this really right?
92 return "";
93 }
94
95 BuiltinVaListKind getBuiltinVaListKind() const override {
96 // FIXME: implement
97 return TargetInfo::CharPtrBuiltinVaList;
98 }
99};
100
101} // namespace targets
102} // namespace clang
103#endif // LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
104