[llvm-commits] [llvm] r132715 - /llvm/trunk/lib/MC/MCStreamer.cpp

[Roman Divacky]

Author: rdivacky
Date: Tue Jun  7 12:31:02 2011
New Revision: 132715

URL: http://llvm.org/viewvc/llvm-project?rev=132715&view=rev
Log:
Make EmitIntValue() work properly on big-endian targets.

Modified:
    llvm/trunk/lib/MC/MCStreamer.cpp

Modified: llvm/trunk/lib/MC/MCStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCStreamer.cpp?rev=132715&r1=132714&r2=132715&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCStreamer.cpp Tue Jun  7 12:31:02 2011
@@ -15,6 +15,7 @@
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Twine.h"
 #include <cstdlib>
@@ -80,9 +81,11 @@
   assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) &&
          "Invalid size");
   char buf[8];
-  // FIXME: Endianness assumption.
-  for (unsigned i = 0; i != Size; ++i)
-    buf[i] = uint8_t(Value >> (i * 8));
+  const bool isLittleEndian = Context.getTargetAsmInfo().isLittleEndian();
+  for (unsigned i = 0; i != Size; ++i) {
+    unsigned index = isLittleEndian ? i : (Size - i - 1);
+    buf[i] = uint8_t(Value >> (index * 8));
+  }
   EmitBytes(StringRef(buf, Size), AddrSpace);
 }