[llvm-commits] [126245] Fix http://lists.cs.uiuc.edu/pipermail/llvm-commits/ Week-of-Mon-20070416/047943.html

[dpatel at apple.com]

Revision: 126245
Author:   dpatel
Date:     2007-04-17 13:29:12 -0700 (Tue, 17 Apr 2007)

Log Message:
-----------
Fix http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070416/047943.html

Modified Paths:
--------------
    apple-local/branches/llvm/gcc/llvm-types.cpp

Modified: apple-local/branches/llvm/gcc/llvm-types.cpp
===================================================================
--- apple-local/branches/llvm/gcc/llvm-types.cpp	2007-04-17 16:28:45 UTC (rev 126244)
+++ apple-local/branches/llvm/gcc/llvm-types.cpp	2007-04-17 20:29:12 UTC (rev 126245)
@@ -1382,8 +1382,10 @@
       Pad = ArrayType::get(Pad, PadBytes);
     Info.addElement(Pad, FirstUnallocatedByte, PadBytes);
     FirstUnallocatedByte = StartOffsetInBits/8;
-    // This field will use some of the bits from this PadBytes.
-    FieldSizeInBits = FieldSizeInBits - (PadBytes*8 - PadBits);
+    // This field will use some of the bits from this PadBytes, if
+    // starting offset is not at byte boundry.
+    if (StartOffsetFromByteBoundry != 0)
+      FieldSizeInBits = FieldSizeInBits - (8 - PadBits);
   }
 
   // Now, Field starts at FirstUnallocatedByte and everything is aligned.