14 #include "llvm/Option/ArgList.h" 15 #include "llvm/Support/TargetParser.h" 19 using namespace clang;
28 if ((A = Args.getLastArg(options::OPT_mcpu_EQ))) {
29 StringRef Mcpu = A->getValue();
30 CPU = Mcpu.split(
"+").first.lower();
35 return llvm::sys::getHostCPUName();
41 if (Args.getLastArg(options::OPT_arch))
49 std::vector<StringRef> &Features) {
51 text.split(Split, StringRef(
"+"), -1,
false);
53 for (StringRef Feature : Split) {
54 StringRef FeatureName = llvm::AArch64::getArchExtFeature(Feature);
55 if (!FeatureName.empty())
56 Features.push_back(FeatureName);
57 else if (Feature ==
"neon" || Feature ==
"noneon")
58 D.
Diag(clang::diag::err_drv_no_neon_modifier);
68 std::vector<StringRef> &Features) {
69 std::pair<StringRef, StringRef> Split = Mcpu.split(
"+");
72 if (CPU ==
"generic") {
73 Features.push_back(
"+neon");
75 llvm::AArch64::ArchKind ArchKind = llvm::AArch64::parseCPUArch(CPU);
76 if (!llvm::AArch64::getArchFeatures(ArchKind, Features))
79 unsigned Extension = llvm::AArch64::getDefaultExtensions(CPU, ArchKind);
80 if (!llvm::AArch64::getExtensionFeatures(Extension, Features))
93 std::vector<StringRef> &Features) {
94 std::string MarchLowerCase = March.lower();
95 std::pair<StringRef, StringRef> Split = StringRef(MarchLowerCase).split(
"+");
97 llvm::AArch64::ArchKind ArchKind = llvm::AArch64::parseArch(Split.first);
98 if (ArchKind == llvm::AArch64::ArchKind::INVALID ||
99 !llvm::AArch64::getArchFeatures(ArchKind, Features) ||
109 std::vector<StringRef> &Features) {
111 std::string McpuLowerCase = Mcpu.lower();
121 std::vector<StringRef> &Features) {
122 std::string MtuneLowerCase = Mtune.lower();
124 std::vector<StringRef> MtuneFeatures;
130 if (MtuneLowerCase ==
"native")
131 MtuneLowerCase = llvm::sys::getHostCPUName();
132 if (MtuneLowerCase ==
"cyclone") {
133 Features.push_back(
"+zcm");
134 Features.push_back(
"+zcz");
142 std::vector<StringRef> &Features) {
144 std::vector<StringRef> DecodedFeature;
145 std::string McpuLowerCase = Mcpu.lower();
153 std::vector<StringRef> &Features) {
157 Features.push_back(
"+neon");
158 if ((A = Args.getLastArg(options::OPT_march_EQ)))
160 else if ((A = Args.getLastArg(options::OPT_mcpu_EQ)))
162 else if (Args.hasArg(options::OPT_arch))
166 if (success && (A = Args.getLastArg(clang::driver::options::OPT_mtune_EQ)))
169 else if (success && (A = Args.getLastArg(options::OPT_mcpu_EQ)))
172 else if (success && Args.hasArg(options::OPT_arch))
177 D.
Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
179 if (Args.getLastArg(options::OPT_mgeneral_regs_only)) {
180 Features.push_back(
"-fp-armv8");
181 Features.push_back(
"-crypto");
182 Features.push_back(
"-neon");
186 if (Arg *A = Args.getLastArg(options::OPT_mcrc, options::OPT_mnocrc)) {
187 if (A->getOption().matches(options::OPT_mcrc))
188 Features.push_back(
"+crc");
190 Features.push_back(
"-crc");
193 if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access,
194 options::OPT_munaligned_access))
195 if (A->getOption().matches(options::OPT_mno_unaligned_access))
196 Features.push_back(
"+strict-align");
198 if (Args.hasArg(options::OPT_ffixed_x18))
199 Features.push_back(
"+reserve-x18");
201 if (Args.hasArg(options::OPT_mno_neg_immediates))
202 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...
Dataflow Directional Tag Classes.