move an enum from TM -> TargetOptions. This makes TargetOptions.h

[oota-llvm.git] / include / llvm / Target / TargetOptions.h

diff --git a/include/llvm/Target/TargetOptions.h b/include/llvm/Target/TargetOptions.h
index e10384d7df721d68ea9dd0c49f6acc320005159c..ccce2f0de857b9056e54ae821e6441596968d226 100644 (file)
--- a/include/llvm/Target/TargetOptions.h
+++ b/include/llvm/Target/TargetOptions.h
@@ -16,6 +16,15 @@
 #define LLVM_TARGET_TARGETOPTIONS_H
 
 namespace llvm {
+  // Possible float ABI settings. Used with FloatABIType in TargetOptions.h.
+  namespace FloatABI {
+    enum ABIType {
+      Default, // Target-specific (either soft of hard depending on triple, etc).
+      Soft, // Soft float.
+      Hard  // Hard float.
+    };
+  }
+  
   /// PrintMachineCode - This flag is enabled when the -print-machineinstrs
   /// option is specified on the command line, and should enable debugging
   /// output from the code generator.
@@ -73,11 +82,13 @@ namespace llvm {
   /// target FP instructions.
   extern bool UseSoftFloat;
 
-  /// NoImplicitFloat - This flag is enabled when the -no-implicit-float flag is
-  /// specified on the command line.  When this flag is on, the code generator
-  /// won't generate any implicit floating point instructions. I.e., no XMM or
-  /// x87 or vectorized memcpy/memmove instructions. This is for X86 only.
-  extern bool NoImplicitFloat;
+  /// FloatABIType - This setting is set by -float-abi=xxx option is specfied
+  /// on the command line. This setting may either be Default, Soft, or Hard.
+  /// Default selects the target's default behavior. Soft selects the ABI for
+  /// UseSoftFloat, but does not inidcate that FP hardware may not be used.
+  /// Such a combination is unfortunately popular (e.g. arm-apple-darwin).
+  /// Hard presumes that the normal FP ABI is used.
+  extern FloatABI::ABIType FloatABIType;
 
   /// NoZerosInBSS - By default some codegens place zero-initialized data to
   /// .bss section. This flag disables such behaviour (necessary, e.g. for
@@ -108,7 +119,7 @@ namespace llvm {
   /// generated.
   extern bool DisableJumpTables;
 
-  /// FastISel - This flag enables fast-path instruction selection
+  /// EnableFastISel - This flag enables fast-path instruction selection
   /// which trades away generated code quality in favor of reducing
   /// compile time.
   extern bool EnableFastISel;
@@ -117,10 +128,6 @@ namespace llvm {
   /// wth earlier copy coalescing.
   extern bool StrongPHIElim;
 
-  /// DisableRedZone - This flag disables use of the "Red Zone" on
-  /// targets which would otherwise have one.
-  extern bool DisableRedZone;
-
 } // End llvm namespace
 
 #endif