[cfe-commits] r110265 - in /cfe/trunk: include/clang/Driver/Options.td lib/Basic/Targets.cpp

[Bruno Cardoso Lopes]

Author: bruno
Date: Wed Aug  4 17:29:13 2010
New Revision: 110265

URL: http://llvm.org/viewvc/llvm-project?rev=110265&view=rev
Log:
Add -mavx and -mno-avx command line support

Modified:
    cfe/trunk/include/clang/Driver/Options.td
    cfe/trunk/lib/Basic/Targets.cpp

Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=110265&r1=110264&r2=110265&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Wed Aug  4 17:29:13 2010
@@ -462,6 +462,7 @@
 def mno_sse : Flag<"-mno-sse">, Group<m_x86_Features_Group>;
 def mno_ssse3 : Flag<"-mno-ssse3">, Group<m_x86_Features_Group>;
 def mno_aes : Flag<"-mno-aes">, Group<m_x86_Features_Group>;
+def mno_avx : Flag<"-mno-avx">, Group<m_x86_Features_Group>;
 
 def mno_thumb : Flag<"-mno-thumb">, Group<m_Group>;
 def marm : Flag<"-marm">, Alias<mno_thumb>;
@@ -482,6 +483,7 @@
 def msse : Flag<"-msse">, Group<m_x86_Features_Group>;
 def mssse3 : Flag<"-mssse3">, Group<m_x86_Features_Group>;
 def maes : Flag<"-maes">, Group<m_x86_Features_Group>;
+def mavx : Flag<"-mavx">, Group<m_x86_Features_Group>;
 def mthumb : Flag<"-mthumb">, Group<m_Group>;
 def mtune_EQ : Joined<"-mtune=">, Group<m_Group>;
 def multi__module : Flag<"-multi_module">;

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=110265&r1=110264&r2=110265&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Wed Aug  4 17:29:13 2010
@@ -912,11 +912,12 @@
   } AMD3DNowLevel;
 
   bool HasAES;
-  
+  bool HasAVX;
+
 public:
   X86TargetInfo(const std::string& triple)
     : TargetInfo(triple), SSELevel(NoMMXSSE), AMD3DNowLevel(NoAMD3DNow),
-      HasAES(false) {
+      HasAES(false), HasAVX(false) {
     LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
   }
   virtual void getTargetBuiltins(const Builtin::Info *&Records,
@@ -963,6 +964,7 @@
   Features["sse41"] = false;
   Features["sse42"] = false;
   Features["aes"] = false;
+  Features["avx"] = false;
 
   // LLVM does not currently recognize this.
   // Features["sse4a"] = false;
@@ -1046,6 +1048,8 @@
       Features["3dnow"] = Features["3dnowa"] = true;
     else if (Name == "aes")
       Features["aes"] = true;
+    else if (Name == "avx")
+      Features["avx"] = true;
   } else {
     if (Name == "mmx")
       Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
@@ -1073,6 +1077,8 @@
       Features["3dnowa"] = false;
     else if (Name == "aes")
       Features["aes"] = false;
+    else if (Name == "avx")
+      Features["avx"] = false;
   }
 
   return true;
@@ -1092,6 +1098,13 @@
       continue;
     }
 
+    // FIXME: Not sure yet how to treat AVX in regard to SSE levels.
+    // For now let it be enabled together with other SSE levels.
+    if (Features[i].substr(1) == "avx") {
+      HasAVX = true;
+      continue;
+    }
+
     assert(Features[i][0] == '+' && "Invalid target feature!");
     X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Features[i].substr(1))
       .Case("sse42", SSE42)
@@ -1133,6 +1146,9 @@
   if (HasAES)
     Builder.defineMacro("__AES__");
 
+  if (HasAVX)
+    Builder.defineMacro("__AVX__");
+
   // Target properties.
   Builder.defineMacro("__LITTLE_ENDIAN__");