[llvm-commits] [llvm-gcc-4.2] r40742 - /llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp

[Devang Patel]

Author: dpatel
Date: Thu Aug  2 12:28:53 2007
New Revision: 40742

URL: http://llvm.org/viewvc/llvm-project?rev=40742&view=rev
Log:
Expand builtin_parity.

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp?rev=40742&r1=40741&r2=40742&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp Thu Aug  2 12:28:53 2007
@@ -4303,6 +4303,14 @@
     EmitBuiltinUnaryIntOp(Amt, Result, Intrinsic::cttz); 
     return true;
   }
+  case BUILT_IN_PARITY: {
+    Value *Amt = Emit(TREE_VALUE(TREE_OPERAND(exp, 1)), 0);
+    EmitBuiltinUnaryIntOp(Amt, Result, Intrinsic::ctpop); 
+    Result = Builder.CreateBinOp(Instruction::And, Result, 
+                      TreeConstantToLLVM::ConvertINTEGER_CST(integer_one_node),
+                                 "tmp");
+    return true;
+  }
   case BUILT_IN_POPCOUNT:  // These GCC builtins always return int.
   case BUILT_IN_POPCOUNTL:
   case BUILT_IN_POPCOUNTLL: {