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(
"+");
73 CPU = llvm::sys::getHostCPUName();
75 if (CPU ==
"generic") {
76 Features.push_back(
"+neon");
78 llvm::AArch64::ArchKind ArchKind = llvm::AArch64::parseCPUArch(CPU);
79 if (!llvm::AArch64::getArchFeatures(ArchKind, Features))
82 unsigned Extension = llvm::AArch64::getDefaultExtensions(CPU, ArchKind);
96 std::vector<StringRef> &Features) {
97 std::string MarchLowerCase = March.lower();
98 std::pair<StringRef, StringRef> Split = StringRef(MarchLowerCase).split(
"+");
100 llvm::AArch64::ArchKind ArchKind = llvm::AArch64::parseArch(Split.first);
101 if (ArchKind == llvm::AArch64::ArchKind::INVALID ||
102 !llvm::AArch64::getArchFeatures(ArchKind, Features) ||
112 std::vector<StringRef> &Features) {
114 std::string McpuLowerCase = Mcpu.lower();
124 std::vector<StringRef> &Features) {
125 std::string MtuneLowerCase = Mtune.lower();
127 std::vector<StringRef> MtuneFeatures;
133 if (MtuneLowerCase ==
"native")
134 MtuneLowerCase = llvm::sys::getHostCPUName();
135 if (MtuneLowerCase ==
"cyclone") {
136 Features.push_back(
"+zcm");
137 Features.push_back(
"+zcz");
145 std::vector<StringRef> &Features) {
147 std::vector<StringRef> DecodedFeature;
148 std::string McpuLowerCase = Mcpu.lower();
156 std::vector<StringRef> &Features) {
160 Features.push_back(
"+neon");
161 if ((A = Args.getLastArg(options::OPT_march_EQ)))
163 else if ((A = Args.getLastArg(options::OPT_mcpu_EQ)))
165 else if (Args.hasArg(options::OPT_arch))
169 if (success && (A = Args.getLastArg(clang::driver::options::OPT_mtune_EQ)))
172 else if (success && (A = Args.getLastArg(options::OPT_mcpu_EQ)))
175 else if (success && Args.hasArg(options::OPT_arch))
180 D.
Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
182 if (Args.getLastArg(options::OPT_mgeneral_regs_only)) {
183 Features.push_back(
"-fp-armv8");
184 Features.push_back(
"-crypto");
185 Features.push_back(
"-neon");
189 if (Arg *A = Args.getLastArg(options::OPT_mcrc, options::OPT_mnocrc)) {
190 if (A->getOption().matches(options::OPT_mcrc))
191 Features.push_back(
"+crc");
193 Features.push_back(
"-crc");
196 if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access,
197 options::OPT_munaligned_access))
198 if (A->getOption().matches(options::OPT_mno_unaligned_access))
199 Features.push_back(
"+strict-align");
201 if (Args.hasArg(options::OPT_ffixed_x18))
202 Features.push_back(
"+reserve-x18");
204 if (Args.hasArg(options::OPT_ffixed_x20))
205 Features.push_back(
"+reserve-x20");
207 if (Args.hasArg(options::OPT_mno_neg_immediates))
208 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.