-no-implicit-float means explicit fp operations are legal.

[oota-llvm.git] / lib / Target / X86 / X86MachineFunctionInfo.h

diff --git a/lib/Target/X86/X86MachineFunctionInfo.h b/lib/Target/X86/X86MachineFunctionInfo.h
index edce2a9783e785d4754cef2da9e10bd60fadec5b..df79520ed3559ccb037da1b9569e342606f094c2 100644 (file)
--- a/lib/Target/X86/X86MachineFunctionInfo.h
+++ b/lib/Target/X86/X86MachineFunctionInfo.h
@@ -58,8 +58,9 @@ class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// holds the virtual register into which the sret argument is passed.
   unsigned SRetReturnReg;
 
-  /// GlobalBaseReg - keeps track of the virtual register mapped onto global
-  /// base register.
+  /// GlobalBaseReg - keeps track of the virtual register initialized for
+  /// use as the global base register. This is used for PIC in some PIC
+  /// relocation models.
   unsigned GlobalBaseReg;
 
 public: