1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
//===--- SystemZ.h - Declare SystemZ target feature support -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares SystemZ TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_SYSTEMZ_H
#define LLVM_CLANG_LIB_BASIC_TARGETS_SYSTEMZ_H
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/Compiler.h"
namespace clang {
namespace targets {
class LLVM_LIBRARY_VISIBILITY SystemZTargetInfo : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
static const char *const GCCRegNames[];
std::string CPU;
int ISARevision;
bool HasTransactionalExecution;
bool HasVector;
public:
SystemZTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple), CPU("z10"), ISARevision(8),
HasTransactionalExecution(false), HasVector(false) {
IntMaxType = SignedLong;
Int64Type = SignedLong;
TLSSupported = true;
IntWidth = IntAlign = 32;
LongWidth = LongLongWidth = LongAlign = LongLongAlign = 64;
PointerWidth = PointerAlign = 64;
LongDoubleWidth = 128;
LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEquad();
DefaultAlignForAttributeAligned = 64;
MinGlobalAlign = 16;
resetDataLayout("E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64");
MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
ArrayRef<Builtin::Info> getTargetBuiltins() const override;
ArrayRef<const char *> getGCCRegNames() const override;
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
// No aliases.
return None;
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const override;
const char *getClobbers() const override {
// FIXME: Is this really right?
return "";
}
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::SystemZBuiltinVaList;
}
int getISARevision(const StringRef &Name) const;
bool isValidCPUName(StringRef Name) const override {
return getISARevision(Name) != -1;
}
bool setCPU(const std::string &Name) override {
CPU = Name;
ISARevision = getISARevision(CPU);
return ISARevision != -1;
}
bool
initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
StringRef CPU,
const std::vector<std::string> &FeaturesVec) const override {
int ISARevision = getISARevision(CPU);
if (ISARevision >= 10)
Features["transactional-execution"] = true;
if (ISARevision >= 11)
Features["vector"] = true;
if (ISARevision >= 12)
Features["vector-enhancements-1"] = true;
return TargetInfo::initFeatureMap(Features, Diags, CPU, FeaturesVec);
}
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override {
HasTransactionalExecution = false;
HasVector = false;
for (const auto &Feature : Features) {
if (Feature == "+transactional-execution")
HasTransactionalExecution = true;
else if (Feature == "+vector")
HasVector = true;
}
// If we use the vector ABI, vector types are 64-bit aligned.
if (HasVector) {
MaxVectorAlign = 64;
resetDataLayout("E-m:e-i1:8:16-i8:8:16-i64:64-f128:64"
"-v128:64-a:8:16-n32:64");
}
return true;
}
bool hasFeature(StringRef Feature) const override;
CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
switch (CC) {
case CC_C:
case CC_Swift:
case CC_OpenCLKernel:
return CCCR_OK;
default:
return CCCR_Warning;
}
}
StringRef getABI() const override {
if (HasVector)
return "vector";
return "";
}
bool useFloat128ManglingForLongDouble() const override { return true; }
};
} // namespace targets
} // namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_SYSTEMZ_H
|
