ARM: set default float ABI based on triple.

[oota-llvm.git] / lib / Target / ARM / ARMSubtarget.h

diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
index 5fc9f8f460b37764c97cf6a3d619a03902a6af12..4893973e1c2ab8424629995d6910154d7d53382d 100644 (file)
--- a/lib/Target/ARM/ARMSubtarget.h
+++ b/lib/Target/ARM/ARMSubtarget.h
@@ -31,8 +31,8 @@ class TargetOptions;
 class ARMSubtarget : public ARMGenSubtargetInfo {
 protected:
   enum ARMProcFamilyEnum {
-    Others, CortexA5, CortexA7, CortexA8, CortexA9, CortexA15, CortexR5,
-    Swift, CortexA53, CortexA57
+    Others, CortexA5, CortexA7, CortexA8, CortexA9, CortexA12, CortexA15, 
+    CortexR5, Swift, CortexA53, CortexA57, Krait
   };
   enum ARMProcClassEnum {
     None, AClass, RClass, MClass
@@ -64,6 +64,10 @@ protected:
   bool HasFPARMv8;
   bool HasNEON;
 
+  /// MinSize - True if the function being compiled has the "minsize" attribute
+  /// and should be optimised for size at the expense of speed.
+  bool MinSize;
+
   /// UseNEONForSinglePrecisionFP - if the NEONFP attribute has been
   /// specified. Use the method useNEONForSinglePrecisionFP() to
   /// determine if NEON should actually be used.
@@ -257,8 +261,9 @@ public:
   bool isCortexA15() const { return ARMProcFamily == CortexA15; }
   bool isSwift()    const { return ARMProcFamily == Swift; }
   bool isCortexM3() const { return CPUString == "cortex-m3"; }
-  bool isLikeA9() const { return isCortexA9() || isCortexA15(); }
+  bool isLikeA9() const { return isCortexA9() || isCortexA15() || isKrait(); }
   bool isCortexR5() const { return ARMProcFamily == CortexR5; }
+  bool isKrait() const { return ARMProcFamily == Krait; }
 
   bool hasARMOps() const { return !NoARM; }
 
@@ -270,6 +275,7 @@ public:
   bool hasCrypto() const { return HasCrypto; }
   bool hasCRC() const { return HasCRC; }
   bool hasVirtualization() const { return HasVirtualization; }
+  bool isMinSize() const { return MinSize; }
   bool useNEONForSinglePrecisionFP() const {
     return hasNEON() && UseNEONForSinglePrecisionFP; }
 
@@ -304,14 +310,20 @@ public:
   bool isTargetDarwin() const { return TargetTriple.isOSDarwin(); }
   bool isTargetNaCl() const { return TargetTriple.isOSNaCl(); }
   bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
-  bool isTargetELF() const { return !isTargetDarwin(); }
+  bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
   // ARM EABI is the bare-metal EABI described in ARM ABI documents and
   // can be accessed via -target arm-none-eabi. This is NOT GNUEABI.
   // FIXME: Add a flag for bare-metal for that target and set Triple::EABI
   // even for GNUEABI, so we can make a distinction here and still conform to
   // the EABI on GNU (and Android) mode. This requires change in Clang, too.
   bool isTargetAEABI() const {
-    return TargetTriple.getEnvironment() == Triple::EABI;
+    return TargetTriple.getEnvironment() == Triple::EABI ||
+      TargetTriple.getEnvironment() == Triple::EABIHF;
+  }
+
+  bool isTargetHardFloat() const {
+    return TargetTriple.getEnvironment() == Triple::GNUEABIHF ||
+           TargetTriple.getEnvironment() == Triple::EABIHF;
   }
 
   bool isAPCS_ABI() const { return TargetABI == ARM_ABI_APCS; }
@@ -327,7 +339,7 @@ public:
 
   bool isR9Reserved() const { return IsR9Reserved; }
 
-  bool useMovt() const { return UseMovt && hasV6T2Ops(); }
+  bool useMovt() const { return UseMovt && !isMinSize(); }
   bool supportsTailCall() const { return SupportsTailCall; }
 
   bool allowsUnalignedMem() const { return AllowsUnalignedMem; }