Add flags and feature bits for mips dsp.

llvm-svn: 164428

2 files changed, 9 insertions, 0 deletions

diff --git a/llvm/lib/Target/Mips/Mips.td b/llvm/lib/Target/Mips/Mips.td
index 7cec531f9ae..90c01d5de0a 100644
--- a/llvm/lib/Target/Mips/Mips.td
+++ b/llvm/lib/Target/Mips/Mips.td
@@ -77,6 +77,10 @@ def FeatureMips64r2    : SubtargetFeature<"mips64r2", "MipsArchVersion",
 def FeatureMips16  : SubtargetFeature<"mips16", "InMips16Mode", "true",
                                       "Mips16 mode">;
 
+def FeatureDSP : SubtargetFeature<"dsp", "HasDSP", "true", "Mips DSP ASE">;
+def FeatureDSPR2 : SubtargetFeature<"dspr2", "HasDSPR2", "true",
+                                    "Mips DSP-R2 ASE", [FeatureDSP]>;
+
 //===----------------------------------------------------------------------===//
 // Mips processors supported.
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/Mips/MipsSubtarget.h b/llvm/lib/Target/Mips/MipsSubtarget.h
index 0595e8dd0cf..ff69237ec2b 100644
--- a/llvm/lib/Target/Mips/MipsSubtarget.h
+++ b/llvm/lib/Target/Mips/MipsSubtarget.h
@@ -92,6 +92,9 @@ protected:
   // InMips16 -- can process Mips16 instructions
   bool InMips16Mode;
 
+  // HasDSP, HasDSPR2 -- supports DSP ASE.
+  bool HasDSP, HasDSPR2;
+
   // IsAndroid -- target is android
   bool IsAndroid;
 
@@ -134,6 +137,8 @@ public:
   bool isNotSingleFloat() const { return !IsSingleFloat; }
   bool hasVFPU() const { return HasVFPU; }
   bool inMips16Mode() const { return InMips16Mode; }
+  bool hasDSP() const { return HasDSP; }
+  bool hasDSPR2() const { return HasDSPR2; }
   bool isAndroid() const { return IsAndroid; }
   bool isLinux() const { return IsLinux; }
   bool useSmallSection() const { return UseSmallSection; }