Port of all JIT changes for .NET Framework 4.6.1 changes

    http://blogs.msdn.com/b/dotnet/archive/2015/11/30/net-framework-4-6-1-is-now-available.aspx

.NET Framework list of changes in 4.6.1
    https://github.com/Microsoft/dotnet/blob/master/releases/net461/dotnet461-changes.md

Additional changes including
-    Working ARM64 JIT compiler
-    Additional JIT Optimizations
     o    Tail call recursion optimization
     o    Array length tracking optimization
     o    CSE for widening casts
     o    Smaller encoding for RIP relative and absolute addresses in addressing modes
     o    Tracked Local Variable increased to 512
     o    Improved handling of Intrinsics System.GetType()
     o    Improved handling of Math intrinsics
-    Work for the X86 Ryu-JIT compiler

[tfs-changeset: 1557101]

1 files changed, 11 insertions, 2 deletions

diff --git a/src/jit/codegeninterface.h b/src/jit/codegeninterface.h
index 672c51706d..077f4e57b0 100644
--- a/src/jit/codegeninterface.h
+++ b/src/jit/codegeninterface.h
@@ -178,7 +178,15 @@ public:
     regNumber           genGetThisArgReg    (GenTreePtr     call);
 
 #ifdef _TARGET_XARCH_
-    bool                genAddrShouldUsePCRel(size_t addr);
+#ifdef _TARGET_AMD64_
+    // There are no reloc hints on x86
+    unsigned short     genAddrRelocTypeHint(size_t addr);
+#endif
+    bool                genDataIndirAddrCanBeEncodedAsPCRelOffset(size_t addr);
+    bool                genCodeIndirAddrCanBeEncodedAsPCRelOffset(size_t addr);
+    bool                genCodeIndirAddrCanBeEncodedAsZeroRelOffset(size_t addr);
+    bool                genCodeIndirAddrNeedsReloc(size_t addr);
+    bool                genCodeAddrNeedsReloc(size_t addr);
 #endif
 
 
@@ -284,8 +292,9 @@ public:
                                                  unsigned *     alignmentWB);
 
     void                genMarkTreeInReg        (GenTreePtr tree, regNumber reg);
+#if CPU_LONG_USES_REGPAIR
     void                genMarkTreeInRegPair    (GenTreePtr tree, regPairNo regPair);
-
+#endif
     // Methods to abstract target information
 
     bool                validImmForInstr        (instruction ins, ssize_t val, insFlags flags = INS_FLAGS_DONT_CARE);