Add Clang support for PPC cryptography builtins

Review: http://reviews.llvm.org/D7951

llvm-svn: 231291

1 files changed, 19 insertions, 1 deletions

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 1d820d36a9a..56b884d4ae6 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -719,13 +719,15 @@ class PPCTargetInfo : public TargetInfo {
   // Target cpu features.
   bool HasVSX;
   bool HasP8Vector;
+  bool HasP8Crypto;
 
 protected:
   std::string ABI;
 
 public:
   PPCTargetInfo(const llvm::Triple &Triple)
-    : TargetInfo(Triple), HasVSX(false), HasP8Vector(false) {
+    : TargetInfo(Triple), HasVSX(false), HasP8Vector(false),
+      HasP8Crypto(false) {
     BigEndian = (Triple.getArch() != llvm::Triple::ppc64le);
     LongDoubleWidth = LongDoubleAlign = 128;
     LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble;
@@ -986,6 +988,11 @@ bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
       continue;
     }
 
+    if (Feature == "crypto") {
+      HasP8Crypto = true;
+      continue;
+    }
+
     // TODO: Finish this list and add an assert that we've handled them
     // all.
   }
@@ -1138,6 +1145,8 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
     Builder.defineMacro("__VSX__");
   if (HasP8Vector)
     Builder.defineMacro("__POWER8_VECTOR__");
+  if (HasP8Crypto)
+    Builder.defineMacro("__CRYPTO__");
 
   // FIXME: The following are not yet generated here by Clang, but are
   //        generated by GCC:
@@ -1176,6 +1185,14 @@ void PPCTargetInfo::getDefaultFeatures(llvm::StringMap<bool> &Features) const {
     .Default(false);
 
   Features["qpx"] = (CPU == "a2q");
+  Features["crypto"] = llvm::StringSwitch<bool>(CPU)
+    .Case("ppc64le", true)
+    .Case("pwr8", true)
+    .Default(false);
+  Features["power8-vector"] = llvm::StringSwitch<bool>(CPU)
+    .Case("ppc64le", true)
+    .Case("pwr8", true)
+    .Default(false);
 }
 
 bool PPCTargetInfo::hasFeature(StringRef Feature) const {
@@ -1183,6 +1200,7 @@ bool PPCTargetInfo::hasFeature(StringRef Feature) const {
     .Case("powerpc", true)
     .Case("vsx", HasVSX)
     .Case("power8-vector", HasP8Vector)
+    .Case("crypto", HasP8Crypto)
     .Default(false);
 }