1 //===--- Hexagon.h - Declare Hexagon target feature support -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares Hexagon TargetInfo objects.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_HEXAGON_H
15 #define LLVM_CLANG_LIB_BASIC_TARGETS_HEXAGON_H
17 #include "clang/Basic/TargetInfo.h"
18 #include "clang/Basic/TargetOptions.h"
19 #include "llvm/ADT/Triple.h"
20 #include "llvm/Support/Compiler.h"
25 // Hexagon abstract base class
26 class LLVM_LIBRARY_VISIBILITY HexagonTargetInfo : public TargetInfo {
28 static const Builtin::Info BuiltinInfo[];
29 static const char *const GCCRegNames[];
30 static const TargetInfo::GCCRegAlias GCCRegAliases[];
32 std::string HVXVersion;
34 bool HasHVX64B = false;
35 bool HasHVX128B = false;
36 bool UseLongCalls = false;
39 HexagonTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
40 : TargetInfo(Triple) {
41 // Specify the vector alignment explicitly. For v512x1, the calculated
42 // alignment would be 512*alignment(i1), which is 512 bytes, instead of
43 // the required minimum of 64 bytes.
45 "e-m:e-p:32:32:32-a:0-n16:32-"
46 "i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-"
47 "v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048");
48 SizeType = UnsignedInt;
49 PtrDiffType = SignedInt;
50 IntPtrType = SignedInt;
52 // {} in inline assembly are packet specifiers, not assembly variant
56 LargeArrayMinWidth = 64;
58 UseBitFieldTypeAlignment = true;
59 ZeroLengthBitfieldBoundary = 32;
62 ArrayRef<Builtin::Info> getTargetBuiltins() const override;
64 bool validateAsmConstraint(const char *&Name,
65 TargetInfo::ConstraintInfo &Info) const override {
70 Info.setAllowsRegister();
74 case 'a': // Modifier register m0-m1.
75 Info.setAllowsRegister();
78 // Relocatable constant.
84 void getTargetDefines(const LangOptions &Opts,
85 MacroBuilder &Builder) const override;
87 bool isCLZForZeroUndef() const override { return false; }
89 bool hasFeature(StringRef Feature) const override;
92 initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
94 const std::vector<std::string> &FeaturesVec) const override;
96 bool handleTargetFeatures(std::vector<std::string> &Features,
97 DiagnosticsEngine &Diags) override;
99 BuiltinVaListKind getBuiltinVaListKind() const override {
100 return TargetInfo::CharPtrBuiltinVaList;
103 ArrayRef<const char *> getGCCRegNames() const override;
105 ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
107 const char *getClobbers() const override { return ""; }
109 static const char *getHexagonCPUSuffix(StringRef Name);
111 bool isValidCPUName(StringRef Name) const override {
112 return getHexagonCPUSuffix(Name);
115 void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
117 bool setCPU(const std::string &Name) override {
118 if (!isValidCPUName(Name))
124 int getEHDataRegisterNumber(unsigned RegNo) const override {
125 return RegNo < 2 ? RegNo : -1;
128 } // namespace targets
130 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_HEXAGON_H