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1 //===--- TCE.h - Declare TCE 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 TCE TargetInfo objects.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_TCE_H
14 #define LLVM_CLANG_LIB_BASIC_TARGETS_TCE_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 // llvm and clang cannot be used directly to output native binaries for
25 // target, but is used to compile C code to llvm bitcode with correct
26 // type and alignment information.
27 //
28 // TCE uses the llvm bitcode as input and uses it for generating customized
29 // target processor and program binary. TCE co-design environment is
30 // publicly available in http://tce.cs.tut.fi
31
32 static const unsigned TCEOpenCLAddrSpaceMap[] = {
33     0, // Default
34     3, // opencl_global
35     4, // opencl_local
36     5, // opencl_constant
37     0, // opencl_private
38     // FIXME: generic has to be added to the target
39     0, // opencl_generic
40     0, // cuda_device
41     0, // cuda_constant
42     0  // cuda_shared
43 };
44
45 class LLVM_LIBRARY_VISIBILITY TCETargetInfo : public TargetInfo {
46 public:
47   TCETargetInfo(const llvm::Triple &Triple, const TargetOptions &)
48       : TargetInfo(Triple) {
49     TLSSupported = false;
50     IntWidth = 32;
51     LongWidth = LongLongWidth = 32;
52     PointerWidth = 32;
53     IntAlign = 32;
54     LongAlign = LongLongAlign = 32;
55     PointerAlign = 32;
56     SuitableAlign = 32;
57     SizeType = UnsignedInt;
58     IntMaxType = SignedLong;
59     IntPtrType = SignedInt;
60     PtrDiffType = SignedInt;
61     FloatWidth = 32;
62     FloatAlign = 32;
63     DoubleWidth = 32;
64     DoubleAlign = 32;
65     LongDoubleWidth = 32;
66     LongDoubleAlign = 32;
67     FloatFormat = &llvm::APFloat::IEEEsingle();
68     DoubleFormat = &llvm::APFloat::IEEEsingle();
69     LongDoubleFormat = &llvm::APFloat::IEEEsingle();
70     resetDataLayout("E-p:32:32:32-i1:8:8-i8:8:32-"
71                     "i16:16:32-i32:32:32-i64:32:32-"
72                     "f32:32:32-f64:32:32-v64:32:32-"
73                     "v128:32:32-v256:32:32-v512:32:32-"
74                     "v1024:32:32-a0:0:32-n32");
75     AddrSpaceMap = &TCEOpenCLAddrSpaceMap;
76     UseAddrSpaceMapMangling = true;
77   }
78
79   void getTargetDefines(const LangOptions &Opts,
80                         MacroBuilder &Builder) const override;
81
82   bool hasFeature(StringRef Feature) const override { return Feature == "tce"; }
83
84   ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
85
86   const char *getClobbers() const override { return ""; }
87
88   BuiltinVaListKind getBuiltinVaListKind() const override {
89     return TargetInfo::VoidPtrBuiltinVaList;
90   }
91
92   ArrayRef<const char *> getGCCRegNames() const override { return None; }
93
94   bool validateAsmConstraint(const char *&Name,
95                              TargetInfo::ConstraintInfo &info) const override {
96     return true;
97   }
98
99   ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
100     return None;
101   }
102 };
103
104 class LLVM_LIBRARY_VISIBILITY TCELETargetInfo : public TCETargetInfo {
105 public:
106   TCELETargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
107       : TCETargetInfo(Triple, Opts) {
108     BigEndian = false;
109
110     resetDataLayout("e-p:32:32:32-i1:8:8-i8:8:32-"
111                     "i16:16:32-i32:32:32-i64:32:32-"
112                     "f32:32:32-f64:32:32-v64:32:32-"
113                     "v128:32:32-v256:32:32-v512:32:32-"
114                     "v1024:32:32-a0:0:32-n32");
115   }
116
117   void getTargetDefines(const LangOptions &Opts,
118                         MacroBuilder &Builder) const override;
119 };
120 } // namespace targets
121 } // namespace clang
122 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_TCE_H