1//===--- Sparc.cpp - Tools Implementations ----------------------*- 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#include "Sparc.h"
10#include "clang/Driver/Driver.h"
11#include "clang/Driver/DriverDiagnostic.h"
12#include "clang/Driver/Options.h"
13#include "llvm/ADT/StringSwitch.h"
14#include "llvm/Option/ArgList.h"
15#include "llvm/TargetParser/Host.h"
16
17using namespace clang::driver;
18using namespace clang::driver::tools;
19using namespace clang;
20using namespace llvm::opt;
21
22const char *sparc::getSparcAsmModeForCPU(StringRef Name,
23 const llvm::Triple &Triple) {
24 if (Triple.getArch() == llvm::Triple::sparcv9) {
25 const char *DefV9CPU;
26
27 if (Triple.isOSLinux() || Triple.isOSFreeBSD() || Triple.isOSOpenBSD())
28 DefV9CPU = "-Av9a";
29 else
30 DefV9CPU = "-Av9";
31
32 return llvm::StringSwitch<const char *>(Name)
33 .Case(S: "niagara", Value: "-Av9b")
34 .Case(S: "niagara2", Value: "-Av9b")
35 .Case(S: "niagara3", Value: "-Av9d")
36 .Case(S: "niagara4", Value: "-Av9d")
37 .Default(Value: DefV9CPU);
38 } else {
39 return llvm::StringSwitch<const char *>(Name)
40 .Case(S: "v8", Value: "-Av8")
41 .Case(S: "supersparc", Value: "-Av8")
42 .Case(S: "sparclite", Value: "-Asparclite")
43 .Case(S: "f934", Value: "-Asparclite")
44 .Case(S: "hypersparc", Value: "-Av8")
45 .Case(S: "sparclite86x", Value: "-Asparclite")
46 .Case(S: "sparclet", Value: "-Asparclet")
47 .Case(S: "tsc701", Value: "-Asparclet")
48 .Case(S: "v9", Value: "-Av8plus")
49 .Case(S: "ultrasparc", Value: "-Av8plus")
50 .Case(S: "ultrasparc3", Value: "-Av8plus")
51 .Case(S: "niagara", Value: "-Av8plusb")
52 .Case(S: "niagara2", Value: "-Av8plusb")
53 .Case(S: "niagara3", Value: "-Av8plusd")
54 .Case(S: "niagara4", Value: "-Av8plusd")
55 .Case(S: "ma2100", Value: "-Aleon")
56 .Case(S: "ma2150", Value: "-Aleon")
57 .Case(S: "ma2155", Value: "-Aleon")
58 .Case(S: "ma2450", Value: "-Aleon")
59 .Case(S: "ma2455", Value: "-Aleon")
60 .Case(S: "ma2x5x", Value: "-Aleon")
61 .Case(S: "ma2080", Value: "-Aleon")
62 .Case(S: "ma2085", Value: "-Aleon")
63 .Case(S: "ma2480", Value: "-Aleon")
64 .Case(S: "ma2485", Value: "-Aleon")
65 .Case(S: "ma2x8x", Value: "-Aleon")
66 .Case(S: "leon2", Value: "-Av8")
67 .Case(S: "at697e", Value: "-Av8")
68 .Case(S: "at697f", Value: "-Av8")
69 .Case(S: "leon3", Value: "-Aleon")
70 .Case(S: "ut699", Value: "-Av8")
71 .Case(S: "gr712rc", Value: "-Aleon")
72 .Case(S: "leon4", Value: "-Aleon")
73 .Case(S: "gr740", Value: "-Aleon")
74 .Default(Value: "-Av8");
75 }
76}
77
78sparc::FloatABI sparc::getSparcFloatABI(const Driver &D,
79 const ArgList &Args) {
80 sparc::FloatABI ABI = sparc::FloatABI::Invalid;
81 if (Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mno_fpu,
82 options::OPT_mhard_float, options::OPT_mfpu,
83 options::OPT_mfloat_abi_EQ)) {
84 if (A->getOption().matches(options::ID: OPT_msoft_float) ||
85 A->getOption().matches(options::ID: OPT_mno_fpu))
86 ABI = sparc::FloatABI::Soft;
87 else if (A->getOption().matches(options::ID: OPT_mhard_float) ||
88 A->getOption().matches(options::ID: OPT_mfpu))
89 ABI = sparc::FloatABI::Hard;
90 else {
91 ABI = llvm::StringSwitch<sparc::FloatABI>(A->getValue())
92 .Case(S: "soft", Value: sparc::FloatABI::Soft)
93 .Case(S: "hard", Value: sparc::FloatABI::Hard)
94 .Default(Value: sparc::FloatABI::Invalid);
95 if (ABI == sparc::FloatABI::Invalid &&
96 !StringRef(A->getValue()).empty()) {
97 D.Diag(clang::diag::DiagID: err_drv_invalid_mfloat_abi) << A->getAsString(Args);
98 ABI = sparc::FloatABI::Hard;
99 }
100 }
101 }
102
103 // If unspecified, choose the default based on the platform.
104 // Only the hard-float ABI on Sparc is standardized, and it is the
105 // default. GCC also supports a nonstandard soft-float ABI mode, also
106 // implemented in LLVM. However as this is not standard we set the default
107 // to be hard-float.
108 if (ABI == sparc::FloatABI::Invalid) {
109 ABI = sparc::FloatABI::Hard;
110 }
111
112 return ABI;
113}
114
115std::string sparc::getSparcTargetCPU(const Driver &D, const ArgList &Args,
116 const llvm::Triple &Triple) {
117 if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_mcpu_EQ)) {
118 StringRef CPUName = A->getValue();
119 if (CPUName == "native") {
120 std::string CPU = std::string(llvm::sys::getHostCPUName());
121 if (!CPU.empty() && CPU != "generic")
122 return CPU;
123 return "";
124 }
125 return std::string(CPUName);
126 }
127
128 if (Triple.getArch() == llvm::Triple::sparc && Triple.isOSSolaris())
129 return "v9";
130 return "";
131}
132
133void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,
134 std::vector<StringRef> &Features) {
135 sparc::FloatABI FloatABI = sparc::getSparcFloatABI(D, Args);
136 if (FloatABI == sparc::FloatABI::Soft)
137 Features.push_back(x: "+soft-float");
138
139 if (Arg *A = Args.getLastArg(options::OPT_mfsmuld, options::OPT_mno_fsmuld)) {
140 if (A->getOption().matches(options::ID: OPT_mfsmuld))
141 Features.push_back(x: "+fsmuld");
142 else
143 Features.push_back(x: "-fsmuld");
144 }
145
146 if (Arg *A = Args.getLastArg(options::OPT_mpopc, options::OPT_mno_popc)) {
147 if (A->getOption().matches(options::ID: OPT_mpopc))
148 Features.push_back(x: "+popc");
149 else
150 Features.push_back(x: "-popc");
151 }
152
153 if (Arg *A = Args.getLastArg(options::OPT_mvis, options::OPT_mno_vis)) {
154 if (A->getOption().matches(options::ID: OPT_mvis))
155 Features.push_back(x: "+vis");
156 else
157 Features.push_back(x: "-vis");
158 }
159
160 if (Arg *A = Args.getLastArg(options::OPT_mvis2, options::OPT_mno_vis2)) {
161 if (A->getOption().matches(options::ID: OPT_mvis2))
162 Features.push_back(x: "+vis2");
163 else
164 Features.push_back(x: "-vis2");
165 }
166
167 if (Arg *A = Args.getLastArg(options::OPT_mvis3, options::OPT_mno_vis3)) {
168 if (A->getOption().matches(options::ID: OPT_mvis3))
169 Features.push_back(x: "+vis3");
170 else
171 Features.push_back(x: "-vis3");
172 }
173
174 if (Arg *A = Args.getLastArg(options::OPT_mhard_quad_float,
175 options::OPT_msoft_quad_float)) {
176 if (A->getOption().matches(options::ID: OPT_mhard_quad_float))
177 Features.push_back(x: "+hard-quad-float");
178 else
179 Features.push_back(x: "-hard-quad-float");
180 }
181
182 if (Args.hasArg(options::OPT_ffixed_g1))
183 Features.push_back(x: "+reserve-g1");
184
185 if (Args.hasArg(options::OPT_ffixed_g2))
186 Features.push_back(x: "+reserve-g2");
187
188 if (Args.hasArg(options::OPT_ffixed_g3))
189 Features.push_back(x: "+reserve-g3");
190
191 if (Args.hasArg(options::OPT_ffixed_g4))
192 Features.push_back(x: "+reserve-g4");
193
194 if (Args.hasArg(options::OPT_ffixed_g5))
195 Features.push_back(x: "+reserve-g5");
196
197 if (Args.hasArg(options::OPT_ffixed_g6))
198 Features.push_back(x: "+reserve-g6");
199
200 if (Args.hasArg(options::OPT_ffixed_g7))
201 Features.push_back(x: "+reserve-g7");
202
203 if (Args.hasArg(options::OPT_ffixed_o0))
204 Features.push_back(x: "+reserve-o0");
205
206 if (Args.hasArg(options::OPT_ffixed_o1))
207 Features.push_back(x: "+reserve-o1");
208
209 if (Args.hasArg(options::OPT_ffixed_o2))
210 Features.push_back(x: "+reserve-o2");
211
212 if (Args.hasArg(options::OPT_ffixed_o3))
213 Features.push_back(x: "+reserve-o3");
214
215 if (Args.hasArg(options::OPT_ffixed_o4))
216 Features.push_back(x: "+reserve-o4");
217
218 if (Args.hasArg(options::OPT_ffixed_o5))
219 Features.push_back(x: "+reserve-o5");
220
221 if (Args.hasArg(options::OPT_ffixed_l0))
222 Features.push_back(x: "+reserve-l0");
223
224 if (Args.hasArg(options::OPT_ffixed_l1))
225 Features.push_back(x: "+reserve-l1");
226
227 if (Args.hasArg(options::OPT_ffixed_l2))
228 Features.push_back(x: "+reserve-l2");
229
230 if (Args.hasArg(options::OPT_ffixed_l3))
231 Features.push_back(x: "+reserve-l3");
232
233 if (Args.hasArg(options::OPT_ffixed_l4))
234 Features.push_back(x: "+reserve-l4");
235
236 if (Args.hasArg(options::OPT_ffixed_l5))
237 Features.push_back(x: "+reserve-l5");
238
239 if (Args.hasArg(options::OPT_ffixed_l6))
240 Features.push_back(x: "+reserve-l6");
241
242 if (Args.hasArg(options::OPT_ffixed_l7))
243 Features.push_back(x: "+reserve-l7");
244
245 if (Args.hasArg(options::OPT_ffixed_i0))
246 Features.push_back(x: "+reserve-i0");
247
248 if (Args.hasArg(options::OPT_ffixed_i1))
249 Features.push_back(x: "+reserve-i1");
250
251 if (Args.hasArg(options::OPT_ffixed_i2))
252 Features.push_back(x: "+reserve-i2");
253
254 if (Args.hasArg(options::OPT_ffixed_i3))
255 Features.push_back(x: "+reserve-i3");
256
257 if (Args.hasArg(options::OPT_ffixed_i4))
258 Features.push_back(x: "+reserve-i4");
259
260 if (Args.hasArg(options::OPT_ffixed_i5))
261 Features.push_back(x: "+reserve-i5");
262}
263

source code of clang/lib/Driver/ToolChains/Arch/Sparc.cpp