[llvm-commits] [llvm] r96440 - /llvm/trunk/lib/Target/X86/X86MCAsmInfo.cpp

[Chris Lattner]

Author: lattner
Date: Tue Feb 16 19:55:54 2010
New Revision: 96440

URL: http://llvm.org/viewvc/llvm-project?rev=96440&view=rev
Log:
daniel remembered why this was needed.

Modified:
    llvm/trunk/lib/Target/X86/X86MCAsmInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86MCAsmInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86MCAsmInfo.cpp?rev=96440&r1=96439&r2=96440&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86MCAsmInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86MCAsmInfo.cpp Tue Feb 16 19:55:54 2010
@@ -56,7 +56,10 @@
     Data64bitsDirective = 0;       // we can't emit a 64-bit unit
 
   // Use ## as a comment string so that .s files generated by llvm can go
-  // through the GCC preprocessor without causing an error.
+  // through the GCC preprocessor without causing an error.  This is needed
+  // because "clang foo.s" runs the C preprocessor, which is usually reserved
+  // for .S files on other systems.  Perhaps this is because the file system
+  // wasn't always case preserving or something.
   CommentString = "##";
   PCSymbol = ".";