[libunwind][MIPS]: Rename Registers_mips_n64 to Registers_mips_newabi.

This is in preparation for adding support for N32 unwinding which reuses
the newabi register class.

Reviewed By: compnerd

Differential Revision: https://reviews.llvm.org/D41842


git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@322093 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/UnwindCursor.hpp b/src/UnwindCursor.hpp
index 6300b99..6b99c38 100644
--- a/src/UnwindCursor.hpp
+++ b/src/UnwindCursor.hpp
@@ -521,8 +521,8 @@
   }
 #endif
 
-#if defined(_LIBUNWIND_TARGET_MIPS_N64)
-  int stepWithCompactEncoding(Registers_mips_n64 &) {
+#if defined(_LIBUNWIND_TARGET_MIPS_NEWABI)
+  int stepWithCompactEncoding(Registers_mips_newabi &) {
     return UNW_EINVAL;
   }
 #endif
@@ -583,8 +583,8 @@
   }
 #endif
 
-#if defined(_LIBUNWIND_TARGET_MIPS_N64)
-  bool compactSaysUseDwarf(Registers_mips_n64 &, uint32_t *) const {
+#if defined(_LIBUNWIND_TARGET_MIPS_NEWABI)
+  bool compactSaysUseDwarf(Registers_mips_newabi &, uint32_t *) const {
     return true;
   }
 #endif
@@ -644,8 +644,8 @@
   }
 #endif
 
-#if defined (_LIBUNWIND_TARGET_MIPS_N64)
-  compact_unwind_encoding_t dwarfEncoding(Registers_mips_n64 &) const {
+#if defined (_LIBUNWIND_TARGET_MIPS_NEWABI)
+  compact_unwind_encoding_t dwarfEncoding(Registers_mips_newabi &) const {
     return 0;
   }
 #endif