1 //===--- MSP430.h - Declare MSP430 target feature support -------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares MSP430 TargetInfo objects.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
15 #define LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
16 
17 #include "clang/Basic/TargetInfo.h"
18 #include "clang/Basic/TargetOptions.h"
19 #include "llvm/ADT/Triple.h"
20 #include "llvm/Support/Compiler.h"
21 
22 namespace clang {
23 namespace targets {
24 
25 class LLVM_LIBRARY_VISIBILITY MSP430TargetInfo : public TargetInfo {
26   static const char *const GCCRegNames[];
27 
28 public:
29   MSP430TargetInfo(const llvm::Triple &Triple, const TargetOptions &)
30       : TargetInfo(Triple) {
31     TLSSupported = false;
32     IntWidth = 16;
33     IntAlign = 16;
34     LongWidth = 32;
35     LongLongWidth = 64;
36     LongAlign = LongLongAlign = 16;
37     PointerWidth = 16;
38     PointerAlign = 16;
39     SuitableAlign = 16;
40     SizeType = UnsignedInt;
41     IntMaxType = SignedLongLong;
42     IntPtrType = SignedInt;
43     PtrDiffType = SignedInt;
44     SigAtomicType = SignedLong;
45     resetDataLayout("e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16");
46   }
47   void getTargetDefines(const LangOptions &Opts,
48                         MacroBuilder &Builder) const override;
49 
50   ArrayRef<Builtin::Info> getTargetBuiltins() const override {
51     // FIXME: Implement.
52     return None;
53   }
54 
55   bool hasFeature(StringRef Feature) const override {
56     return Feature == "msp430";
57   }
58 
59   ArrayRef<const char *> getGCCRegNames() const override;
60 
61   ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
62     // No aliases.
63     return None;
64   }
65 
66   bool validateAsmConstraint(const char *&Name,
67                              TargetInfo::ConstraintInfo &info) const override {
68     // FIXME: implement
69     switch (*Name) {
70     case 'K': // the constant 1
71     case 'L': // constant -1^20 .. 1^19
72     case 'M': // constant 1-4:
73       return true;
74     }
75     // No target constraints for now.
76     return false;
77   }
78 
79   const char *getClobbers() const override {
80     // FIXME: Is this really right?
81     return "";
82   }
83 
84   BuiltinVaListKind getBuiltinVaListKind() const override {
85     // FIXME: implement
86     return TargetInfo::CharPtrBuiltinVaList;
87   }
88 };
89 
90 } // namespace targets
91 } // namespace clang
92 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
93