[llvm] r200454 - tools: repair Windows build

[Saleem Abdulrasool]

Author: compnerd
Date: Wed Jan 29 23:20:31 2014
New Revision: 200454

URL: http://llvm.org/viewvc/llvm-project?rev=200454&view=rev
Log:
tools: repair Windows build

exp2 is not available on Windows.  Fortunately, we are calculating powers of 2
with expontents within the range of [4,12].  Simply use an equivalent bitshift
operation to repair compilation with MSVC which does not provide this standard
function.

Modified:
    llvm/trunk/tools/llvm-readobj/ARMAttributeParser.cpp

Modified: llvm/trunk/tools/llvm-readobj/ARMAttributeParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-readobj/ARMAttributeParser.cpp?rev=200454&r1=200453&r2=200454&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-readobj/ARMAttributeParser.cpp (original)
+++ llvm/trunk/tools/llvm-readobj/ARMAttributeParser.cpp Wed Jan 29 23:20:31 2014
@@ -321,7 +321,7 @@ void ARMAttributeParser::ABI_align_neede
   if (Value < countof(Strings))
     Description = StringRef(Strings[Value]);
   else if (Value <= 12)
-    Description = Twine("8-byte alignment, ") + utostr(exp2(Value))
+    Description = Twine("8-byte alignment, ") + utostr(1 << Value)
                 + Twine("-byte extended alignment");
   else
     Description = "Invalid";
@@ -342,7 +342,7 @@ void ARMAttributeParser::ABI_align_prese
   if (Value < countof(Strings))
     Description = StringRef(Strings[Value]);
   else if (Value <= 12)
-    Description = Twine("8-byte stack alignment, ") + utostr(exp2(Value))
+    Description = Twine("8-byte stack alignment, ") + utostr(1 << Value)
                 + Twine("-byte data alignment");
   else
     Description = "Invalid";