clang 17.0.0git
SystemZ.cpp
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1//===--- SystemZ.cpp - Implement SystemZ target feature support -----------===//
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 implements SystemZ TargetInfo objects.
10//
11//===----------------------------------------------------------------------===//
12
13#include "SystemZ.h"
18#include "llvm/ADT/StringSwitch.h"
19
20using namespace clang;
21using namespace clang::targets;
22
23static constexpr Builtin::Info BuiltinInfo[] = {
24#define BUILTIN(ID, TYPE, ATTRS) \
25 {#ID, TYPE, ATTRS, nullptr, HeaderDesc::NO_HEADER, ALL_LANGUAGES},
26#define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE) \
27 {#ID, TYPE, ATTRS, FEATURE, HeaderDesc::NO_HEADER, ALL_LANGUAGES},
28#include "clang/Basic/BuiltinsSystemZ.def"
29};
30
31const char *const SystemZTargetInfo::GCCRegNames[] = {
32 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
33 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
34 "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
35 "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
36 /*ap*/"", "cc", /*fp*/"", /*rp*/"", "a0", "a1",
37 "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
38 "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31"
39};
40
42 {{"v0"}, 16}, {{"v2"}, 17}, {{"v4"}, 18}, {{"v6"}, 19},
43 {{"v1"}, 20}, {{"v3"}, 21}, {{"v5"}, 22}, {{"v7"}, 23},
44 {{"v8"}, 24}, {{"v10"}, 25}, {{"v12"}, 26}, {{"v14"}, 27},
45 {{"v9"}, 28}, {{"v11"}, 29}, {{"v13"}, 30}, {{"v15"}, 31}
46};
47
49 return llvm::ArrayRef(GCCRegNames);
50}
51
54}
55
57 const char *&Name, TargetInfo::ConstraintInfo &Info) const {
58 switch (*Name) {
59 default:
60 return false;
61
62 case 'Z':
63 switch (Name[1]) {
64 default:
65 return false;
66 case 'Q': // Address with base and unsigned 12-bit displacement
67 case 'R': // Likewise, plus an index
68 case 'S': // Address with base and signed 20-bit displacement
69 case 'T': // Likewise, plus an index
70 break;
71 }
72 [[fallthrough]];
73 case 'a': // Address register
74 case 'd': // Data register (equivalent to 'r')
75 case 'f': // Floating-point register
76 case 'v': // Vector register
77 Info.setAllowsRegister();
78 return true;
79
80 case 'I': // Unsigned 8-bit constant
81 case 'J': // Unsigned 12-bit constant
82 case 'K': // Signed 16-bit constant
83 case 'L': // Signed 20-bit displacement (on all targets we support)
84 case 'M': // 0x7fffffff
85 return true;
86
87 case 'Q': // Memory with base and unsigned 12-bit displacement
88 case 'R': // Likewise, plus an index
89 case 'S': // Memory with base and signed 20-bit displacement
90 case 'T': // Likewise, plus an index
91 Info.setAllowsMemory();
92 return true;
93 }
94}
95
97 llvm::StringLiteral Name;
99};
100static constexpr ISANameRevision ISARevisions[] = {
101 {{"arch8"}, 8}, {{"z10"}, 8},
102 {{"arch9"}, 9}, {{"z196"}, 9},
103 {{"arch10"}, 10}, {{"zEC12"}, 10},
104 {{"arch11"}, 11}, {{"z13"}, 11},
105 {{"arch12"}, 12}, {{"z14"}, 12},
106 {{"arch13"}, 13}, {{"z15"}, 13},
107 {{"arch14"}, 14}, {{"z16"}, 14},
108};
109
110int SystemZTargetInfo::getISARevision(StringRef Name) const {
111 const auto Rev =
112 llvm::find_if(ISARevisions, [Name](const ISANameRevision &CR) {
113 return CR.Name == Name;
114 });
115 if (Rev == std::end(ISARevisions))
116 return -1;
117 return Rev->ISARevisionID;
118}
119
121 SmallVectorImpl<StringRef> &Values) const {
122 for (const ISANameRevision &Rev : ISARevisions)
123 Values.push_back(Rev.Name);
124}
125
126bool SystemZTargetInfo::hasFeature(StringRef Feature) const {
127 return llvm::StringSwitch<bool>(Feature)
128 .Case("systemz", true)
129 .Case("arch8", ISARevision >= 8)
130 .Case("arch9", ISARevision >= 9)
131 .Case("arch10", ISARevision >= 10)
132 .Case("arch11", ISARevision >= 11)
133 .Case("arch12", ISARevision >= 12)
134 .Case("arch13", ISARevision >= 13)
135 .Case("arch14", ISARevision >= 14)
136 .Case("htm", HasTransactionalExecution)
137 .Case("vx", HasVector)
138 .Default(false);
139}
140
142 MacroBuilder &Builder) const {
143 Builder.defineMacro("__s390__");
144 Builder.defineMacro("__s390x__");
145 Builder.defineMacro("__zarch__");
146 Builder.defineMacro("__LONG_DOUBLE_128__");
147
148 Builder.defineMacro("__ARCH__", Twine(ISARevision));
149
150 Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
151 Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
152 Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
153 Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
154
155 if (HasTransactionalExecution)
156 Builder.defineMacro("__HTM__");
157 if (HasVector)
158 Builder.defineMacro("__VX__");
159 if (Opts.ZVector)
160 Builder.defineMacro("__VEC__", "10304");
161}
162
166}
const TargetInfo::AddlRegName GCCAddlRegNames[]
Definition: PPC.cpp:794
const TargetInfo::AddlRegName GCCAddlRegNames[]
Definition: SystemZ.cpp:41
static constexpr ISANameRevision ISARevisions[]
Definition: SystemZ.cpp:100
static constexpr Builtin::Info BuiltinInfo[]
Definition: SystemZ.cpp:23
static constexpr Builtin::Info BuiltinInfo[]
Definition: Builtins.cpp:32
Defines enum values for all the target-independent builtin functions.
Defines the clang::LangOptions interface.
Defines the clang::MacroBuilder utility class.
Enumerates target-specific builtins in their own namespaces within namespace clang.
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:82
void getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const override
===-— Other target property query methods -----------------------—===//
Definition: SystemZ.cpp:141
bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &info) const override
Definition: SystemZ.cpp:56
ArrayRef< TargetInfo::AddlRegName > getGCCAddlRegNames() const override
Definition: SystemZ.cpp:52
ArrayRef< const char * > getGCCRegNames() const override
Definition: SystemZ.cpp:48
bool hasFeature(StringRef Feature) const override
Determine whether the given target has the given feature.
Definition: SystemZ.cpp:126
int getISARevision(StringRef Name) const
Definition: SystemZ.cpp:110
ArrayRef< Builtin::Info > getTargetBuiltins() const override
Return information about target-specific builtins for the current primary target, and info about whic...
Definition: SystemZ.cpp:163
void fillValidCPUList(SmallVectorImpl< StringRef > &Values) const override
Fill a SmallVectorImpl with the valid values to setCPU.
Definition: SystemZ.cpp:120
llvm::StringLiteral Name
Definition: SystemZ.cpp:97