Added support for fround, fextend and FP_TO_SINT


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72483 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/Mips.td b/lib/Target/Mips/Mips.td
index 79ae5d2..79a78d8 100644
--- a/lib/Target/Mips/Mips.td
+++ b/lib/Target/Mips/Mips.td
@@ -39,6 +39,8 @@
                                 "Support 64-bit FP registers.">;
 def FeatureSingleFloat : SubtargetFeature<"single-float", "IsSingleFloat",
                                 "true", "Only supports single precision float">;
+def FeatureMips1       : SubtargetFeature<"mips1", "MipsArchVersion", "Mips1",
+                                "Mips1 ISA Support">;
 def FeatureMips2       : SubtargetFeature<"mips2", "MipsArchVersion", "Mips2",
                                 "Mips2 ISA Support">;
 def FeatureO32         : SubtargetFeature<"o32", "MipsABI", "O32",
@@ -67,9 +69,9 @@
 class Proc<string Name, list<SubtargetFeature> Features>
  : Processor<Name, MipsGenericItineraries, Features>;
 
-def : Proc<"mips1", []>;
-def : Proc<"r2000", []>;
-def : Proc<"r3000", []>;
+def : Proc<"mips1", [FeatureMips1]>;
+def : Proc<"r2000", [FeatureMips1]>;
+def : Proc<"r3000", [FeatureMips1]>;
 
 def : Proc<"mips2", [FeatureMips2]>;
 def : Proc<"r6000", [FeatureMips2]>;