14 #include "llvm/Option/ArgList.h" 15 #include "llvm/Support/TargetParser.h" 19 using namespace clang;
25 return Triple.isOSDarwin();
32 const llvm::Triple &Triple, Arg *&A) {
35 if ((A = Args.getLastArg(options::OPT_mcpu_EQ))) {
36 StringRef Mcpu = A->getValue();
37 CPU = Mcpu.split(
"+").first.lower();
42 return llvm::sys::getHostCPUName();
48 if (Args.getLastArg(options::OPT_arch) || Triple.isOSDarwin())
56 std::vector<StringRef> &Features) {
58 text.split(Split, StringRef(
"+"), -1,
false);
60 for (StringRef Feature : Split) {
61 StringRef FeatureName = llvm::AArch64::getArchExtFeature(Feature);
62 if (!FeatureName.empty())
63 Features.push_back(FeatureName);
64 else if (Feature ==
"neon" || Feature ==
"noneon")
65 D.
Diag(clang::diag::err_drv_no_neon_modifier);
75 std::vector<StringRef> &Features) {
76 std::pair<StringRef, StringRef>
Split = Mcpu.split(
"+");
80 CPU = llvm::sys::getHostCPUName();
82 if (CPU ==
"generic") {
83 Features.push_back(
"+neon");
85 llvm::AArch64::ArchKind ArchKind = llvm::AArch64::parseCPUArch(CPU);
86 if (!llvm::AArch64::getArchFeatures(ArchKind, Features))
89 unsigned Extension = llvm::AArch64::getDefaultExtensions(CPU, ArchKind);
103 std::vector<StringRef> &Features) {
104 std::string MarchLowerCase = March.lower();
105 std::pair<StringRef, StringRef>
Split = StringRef(MarchLowerCase).split(
"+");
107 llvm::AArch64::ArchKind ArchKind = llvm::AArch64::parseArch(Split.first);
108 if (ArchKind == llvm::AArch64::ArchKind::INVALID ||
109 !llvm::AArch64::getArchFeatures(ArchKind, Features) ||
119 std::vector<StringRef> &Features) {
121 std::string McpuLowerCase = Mcpu.lower();
131 std::vector<StringRef> &Features) {
132 std::string MtuneLowerCase = Mtune.lower();
134 std::vector<StringRef> MtuneFeatures;
140 if (MtuneLowerCase ==
"native")
141 MtuneLowerCase = llvm::sys::getHostCPUName();
142 if (MtuneLowerCase ==
"cyclone") {
143 Features.push_back(
"+zcm");
144 Features.push_back(
"+zcz");
152 std::vector<StringRef> &Features) {
154 std::vector<StringRef> DecodedFeature;
155 std::string McpuLowerCase = Mcpu.lower();
163 const llvm::Triple &Triple,
165 std::vector<StringRef> &Features) {
169 Features.push_back(
"+neon");
170 if ((A = Args.getLastArg(options::OPT_march_EQ)))
172 else if ((A = Args.getLastArg(options::OPT_mcpu_EQ)))
178 if (success && (A = Args.getLastArg(clang::driver::options::OPT_mtune_EQ)))
181 else if (success && (A = Args.getLastArg(options::OPT_mcpu_EQ)))
190 D.
Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
192 if (Args.getLastArg(options::OPT_mgeneral_regs_only)) {
193 Features.push_back(
"-fp-armv8");
194 Features.push_back(
"-crypto");
195 Features.push_back(
"-neon");
199 if (Arg *A = Args.getLastArg(options::OPT_mcrc, options::OPT_mnocrc)) {
200 if (A->getOption().matches(options::OPT_mcrc))
201 Features.push_back(
"+crc");
203 Features.push_back(
"-crc");
209 const auto ItRNoFullFP16 = std::find(Features.rbegin(), Features.rend(),
"-fullfp16");
210 const auto ItRFP16FML = std::find(Features.rbegin(), Features.rend(),
"+fp16fml");
211 if (std::find(Features.begin(), Features.end(),
"+v8.4a") != Features.end()) {
212 const auto ItRFullFP16 = std::find(Features.rbegin(), Features.rend(),
"+fullfp16");
213 if (ItRFullFP16 < ItRNoFullFP16 && ItRFullFP16 < ItRFP16FML) {
216 if (std::find(Features.rbegin(), ItRFullFP16,
"-fp16fml") == ItRFullFP16)
217 Features.push_back(
"+fp16fml");
220 goto fp16_fml_fallthrough;
223 fp16_fml_fallthrough:
226 if (ItRNoFullFP16 < ItRFP16FML)
227 Features.push_back(
"-fp16fml");
228 else if (ItRNoFullFP16 > ItRFP16FML)
229 Features.push_back(
"+fullfp16");
237 const auto ItBegin = Features.begin();
238 const auto ItEnd = Features.end();
239 const auto ItRBegin = Features.rbegin();
240 const auto ItREnd = Features.rend();
241 const auto ItRCrypto = std::find(ItRBegin, ItREnd,
"+crypto");
242 const auto ItRNoCrypto = std::find(ItRBegin, ItREnd,
"-crypto");
243 const auto HasCrypto = ItRCrypto != ItREnd;
244 const auto HasNoCrypto = ItRNoCrypto != ItREnd;
245 const ptrdiff_t PosCrypto = ItRCrypto - ItRBegin;
246 const ptrdiff_t PosNoCrypto = ItRNoCrypto - ItRBegin;
248 bool NoCrypto =
false;
249 if (HasCrypto && HasNoCrypto) {
250 if (PosNoCrypto < PosCrypto)
254 if (std::find(ItBegin, ItEnd,
"+v8.4a") != ItEnd) {
255 if (HasCrypto && !NoCrypto) {
259 const bool HasSM4 = (std::find(ItBegin, ItEnd,
"-sm4") == ItEnd);
260 const bool HasSHA3 = (std::find(ItBegin, ItEnd,
"-sha3") == ItEnd);
261 const bool HasSHA2 = (std::find(ItBegin, ItEnd,
"-sha2") == ItEnd);
262 const bool HasAES = (std::find(ItBegin, ItEnd,
"-aes") == ItEnd);
264 Features.push_back(
"+sm4");
266 Features.push_back(
"+sha3");
268 Features.push_back(
"+sha2");
270 Features.push_back(
"+aes");
271 }
else if (HasNoCrypto) {
275 const bool HasSM4 = (std::find(ItBegin, ItEnd,
"+sm4") != ItEnd);
276 const bool HasSHA3 = (std::find(ItBegin, ItEnd,
"+sha3") != ItEnd);
277 const bool HasSHA2 = (std::find(ItBegin, ItEnd,
"+sha2") != ItEnd);
278 const bool HasAES = (std::find(ItBegin, ItEnd,
"+aes") != ItEnd);
280 Features.push_back(
"-sm4");
282 Features.push_back(
"-sha3");
284 Features.push_back(
"-sha2");
286 Features.push_back(
"-aes");
289 if (HasCrypto && !NoCrypto) {
290 const bool HasSHA2 = (std::find(ItBegin, ItEnd,
"-sha2") == ItEnd);
291 const bool HasAES = (std::find(ItBegin, ItEnd,
"-aes") == ItEnd);
293 Features.push_back(
"+sha2");
295 Features.push_back(
"+aes");
296 }
else if (HasNoCrypto) {
297 const bool HasSHA2 = (std::find(ItBegin, ItEnd,
"+sha2") != ItEnd);
298 const bool HasAES = (std::find(ItBegin, ItEnd,
"+aes") != ItEnd);
299 const bool HasV82a = (std::find(ItBegin, ItEnd,
"+v8.2a") != ItEnd);
300 const bool HasV83a = (std::find(ItBegin, ItEnd,
"+v8.3a") != ItEnd);
301 const bool HasV84a = (std::find(ItBegin, ItEnd,
"+v8.4a") != ItEnd);
303 Features.push_back(
"-sha2");
305 Features.push_back(
"-aes");
306 if (HasV82a || HasV83a || HasV84a) {
307 Features.push_back(
"-sm4");
308 Features.push_back(
"-sha3");
313 if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access,
314 options::OPT_munaligned_access))
315 if (A->getOption().matches(options::OPT_mno_unaligned_access))
316 Features.push_back(
"+strict-align");
318 if (Args.hasArg(options::OPT_ffixed_x1))
319 Features.push_back(
"+reserve-x1");
321 if (Args.hasArg(options::OPT_ffixed_x2))
322 Features.push_back(
"+reserve-x2");
324 if (Args.hasArg(options::OPT_ffixed_x3))
325 Features.push_back(
"+reserve-x3");
327 if (Args.hasArg(options::OPT_ffixed_x4))
328 Features.push_back(
"+reserve-x4");
330 if (Args.hasArg(options::OPT_ffixed_x5))
331 Features.push_back(
"+reserve-x5");
333 if (Args.hasArg(options::OPT_ffixed_x6))
334 Features.push_back(
"+reserve-x6");
336 if (Args.hasArg(options::OPT_ffixed_x7))
337 Features.push_back(
"+reserve-x7");
339 if (Args.hasArg(options::OPT_ffixed_x18))
340 Features.push_back(
"+reserve-x18");
342 if (Args.hasArg(options::OPT_ffixed_x20))
343 Features.push_back(
"+reserve-x20");
345 if (Args.hasArg(options::OPT_fcall_saved_x8))
346 Features.push_back(
"+call-saved-x8");
348 if (Args.hasArg(options::OPT_fcall_saved_x9))
349 Features.push_back(
"+call-saved-x9");
351 if (Args.hasArg(options::OPT_fcall_saved_x10))
352 Features.push_back(
"+call-saved-x10");
354 if (Args.hasArg(options::OPT_fcall_saved_x11))
355 Features.push_back(
"+call-saved-x11");
357 if (Args.hasArg(options::OPT_fcall_saved_x12))
358 Features.push_back(
"+call-saved-x12");
360 if (Args.hasArg(options::OPT_fcall_saved_x13))
361 Features.push_back(
"+call-saved-x13");
363 if (Args.hasArg(options::OPT_fcall_saved_x14))
364 Features.push_back(
"+call-saved-x14");
366 if (Args.hasArg(options::OPT_fcall_saved_x15))
367 Features.push_back(
"+call-saved-x15");
369 if (Args.hasArg(options::OPT_fcall_saved_x18))
370 Features.push_back(
"+call-saved-x18");
372 if (Args.hasArg(options::OPT_mno_neg_immediates))
373 Features.push_back(
"+no-neg-immediates");
DiagnosticBuilder Diag(unsigned DiagID) const
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
__PTRDIFF_TYPE__ ptrdiff_t
A signed integer type that is the result of subtracting two pointers.
Dataflow Directional Tag Classes.