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-rw-r--r--clang/lib/Driver/ToolChains.cpp24
-rw-r--r--clang/lib/Driver/ToolChains.h4
-rw-r--r--clang/lib/Driver/Tools.cpp42
3 files changed, 39 insertions, 31 deletions
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 5428a55c43e..6d52ab9d71a 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -2128,6 +2128,30 @@ std::string Hexagon_TC::GetGnuDir(const std::string &InstalledDir,
return InstallRelDir;
}
+const char *Hexagon_TC::GetSmallDataThreshold(const ArgList &Args)
+{
+ Arg *A;
+
+ A = Args.getLastArg(options::OPT_G,
+ options::OPT_G_EQ,
+ options::OPT_msmall_data_threshold_EQ);
+ if (A)
+ return A->getValue();
+
+ A = Args.getLastArg(options::OPT_shared,
+ options::OPT_fpic,
+ options::OPT_fPIC);
+ if (A)
+ return "0";
+
+ return 0;
+}
+
+bool Hexagon_TC::UsesG0(const char* smallDataThreshold)
+{
+ return smallDataThreshold && smallDataThreshold[0] == '0';
+}
+
static void GetHexagonLibraryPaths(
const ArgList &Args,
const std::string &Ver,
diff --git a/clang/lib/Driver/ToolChains.h b/clang/lib/Driver/ToolChains.h
index 388dff37b53..8906e2101ea 100644
--- a/clang/lib/Driver/ToolChains.h
+++ b/clang/lib/Driver/ToolChains.h
@@ -724,6 +724,10 @@ public:
const llvm::opt::ArgList &Args);
static StringRef GetTargetCPU(const llvm::opt::ArgList &Args);
+
+ static const char *GetSmallDataThreshold(const llvm::opt::ArgList &Args);
+
+ static bool UsesG0(const char* smallDataThreshold);
};
class LLVM_LIBRARY_VISIBILITY NaCl_TC : public Generic_ELF {
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index ee9b495edbf..ec00ff1d917 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1734,34 +1734,17 @@ static inline bool HasPICArg(const ArgList &Args) {
|| Args.hasArg(options::OPT_fpic);
}
-static Arg *GetLastSmallDataThresholdArg(const ArgList &Args) {
- return Args.getLastArg(options::OPT_G,
- options::OPT_G_EQ,
- options::OPT_msmall_data_threshold_EQ);
-}
-
-static std::string GetHexagonSmallDataThresholdValue(const ArgList &Args) {
- std::string value;
- if (HasPICArg(Args))
- value = "0";
- else if (Arg *A = GetLastSmallDataThresholdArg(Args)) {
- value = A->getValue();
- A->claim();
- }
- return value;
-}
-
void Clang::AddHexagonTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
CmdArgs.push_back("-fno-signed-char");
CmdArgs.push_back("-mqdsp6-compat");
CmdArgs.push_back("-Wreturn-type");
- std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args);
- if (!SmallDataThreshold.empty()) {
+ if (const char* v = toolchains::Hexagon_TC::GetSmallDataThreshold(Args)) {
+ std::string SmallDataThreshold="-hexagon-small-data-threshold=";
+ SmallDataThreshold += v;
CmdArgs.push_back ("-mllvm");
- CmdArgs.push_back(Args.MakeArgString(
- "-hexagon-small-data-threshold=" + SmallDataThreshold));
+ CmdArgs.push_back(Args.MakeArgString(SmallDataThreshold));
}
if (!Args.hasArg(options::OPT_fno_short_enums))
@@ -5408,10 +5391,8 @@ void hexagon::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-fsyntax-only");
}
- std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args);
- if (!SmallDataThreshold.empty())
- CmdArgs.push_back(
- Args.MakeArgString(std::string("-G") + SmallDataThreshold));
+ if (const char* v = toolchains::Hexagon_TC::GetSmallDataThreshold(Args))
+ CmdArgs.push_back(Args.MakeArgString(std::string("-G") + v));
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
options::OPT_Xassembler);
@@ -5474,6 +5455,7 @@ static void constructHexagonLinkArgs(Compilation &C, const JobAction &JA,
bool incStdLib = !Args.hasArg(options::OPT_nostdlib);
bool incStartFiles = !Args.hasArg(options::OPT_nostartfiles);
bool incDefLibs = !Args.hasArg(options::OPT_nodefaultlibs);
+ bool useG0 = false;
bool useShared = buildingLib && !hasStaticArg;
//----------------------------------------------------------------------------
@@ -5507,10 +5489,9 @@ static void constructHexagonLinkArgs(Compilation &C, const JobAction &JA,
if (buildPIE && !buildingLib)
CmdArgs.push_back("-pie");
- std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args);
- if (!SmallDataThreshold.empty()) {
- CmdArgs.push_back(
- Args.MakeArgString(std::string("-G") + SmallDataThreshold));
+ if (const char* v = toolchains::Hexagon_TC::GetSmallDataThreshold(Args)) {
+ CmdArgs.push_back(Args.MakeArgString(std::string("-G") + v));
+ useG0 = toolchains::Hexagon_TC::UsesG0(v);
}
//----------------------------------------------------------------------------
@@ -5526,8 +5507,7 @@ static void constructHexagonLinkArgs(Compilation &C, const JobAction &JA,
toolchains::Hexagon_TC::GetGnuDir(D.InstalledDir, Args) + "/";
const std::string StartFilesDir = RootDir
+ "hexagon/lib"
- + (buildingLib
- ? MarchG0Suffix : MarchSuffix);
+ + (useG0 ? MarchG0Suffix : MarchSuffix);
//----------------------------------------------------------------------------
// moslib
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