Index: compiler-rt/trunk/lib/builtins/CMakeLists.txt
===================================================================
--- compiler-rt/trunk/lib/builtins/CMakeLists.txt
+++ compiler-rt/trunk/lib/builtins/CMakeLists.txt
@@ -167,6 +167,26 @@
   umodti3.c
   emutls.c)
 
+set(GENERIC_TF_SOURCES
+  comparetf2.c
+  extenddftf2.c
+  extendsftf2.c
+  fixtfdi.c
+  fixtfsi.c
+  fixtfti.c
+  fixunstfdi.c
+  fixunstfsi.c
+  fixunstfti.c
+  floatditf.c
+  floatsitf.c
+  floattitf.c
+  floatunditf.c
+  floatunsitf.c
+  floatuntitf.c
+  multc3.c
+  trunctfdf2.c
+  trunctfsf2.c)
+
 option(COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN
   "Skip the atomic builtin (this may be needed if system headers are unavailable)"
   Off)
@@ -404,24 +424,7 @@
 endif()
 
 set(aarch64_SOURCES
-  comparetf2.c
-  extenddftf2.c
-  extendsftf2.c
-  fixtfdi.c
-  fixtfsi.c
-  fixtfti.c
-  fixunstfdi.c
-  fixunstfsi.c
-  fixunstfti.c
-  floatditf.c
-  floatsitf.c
-  floattitf.c
-  floatunditf.c
-  floatunsitf.c
-  floatuntitf.c
-  multc3.c
-  trunctfdf2.c
-  trunctfsf2.c
+  ${GENERIC_TF_SOURCES}
   ${GENERIC_SOURCES})
 
 set(armhf_SOURCES ${arm_SOURCES})
@@ -437,8 +440,10 @@
 
 set(mips_SOURCES ${GENERIC_SOURCES})
 set(mipsel_SOURCES ${mips_SOURCES})
-set(mips64_SOURCES ${mips_SOURCES})
-set(mips64el_SOURCES ${mips_SOURCES})
+set(mips64_SOURCES ${GENERIC_TF_SOURCES}
+                   ${mips_SOURCES})
+set(mips64el_SOURCES ${GENERIC_TF_SOURCES}
+                     ${mips_SOURCES})
 
 set(wasm32_SOURCES ${GENERIC_SOURCES})
 set(wasm64_SOURCES ${GENERIC_SOURCES})
Index: compiler-rt/trunk/lib/builtins/int_types.h
===================================================================
--- compiler-rt/trunk/lib/builtins/int_types.h
+++ compiler-rt/trunk/lib/builtins/int_types.h
@@ -60,9 +60,7 @@
     }s;
 } udwords;
 
-/* MIPS64 issue: PR 20098 */
-#if (defined(__LP64__) || defined(__wasm__)) && \
-    !(defined(__mips__) && defined(__clang__))
+#if (defined(__LP64__) || defined(__wasm__) || defined(__mips64))
 #define CRT_HAS_128BIT
 #endif
 
Index: compiler-rt/trunk/test/builtins/Unit/divxc3_test.c
===================================================================
--- compiler-rt/trunk/test/builtins/Unit/divxc3_test.c
+++ compiler-rt/trunk/test/builtins/Unit/divxc3_test.c
@@ -19,6 +19,7 @@
 #include <complex.h>
 #include <stdio.h>
 
+// UNSUPPORTED: mips
 // REQUIRES: c99-complex
 
 // Returns: the quotient of (a + ib) / (c + id)
Index: compiler-rt/trunk/test/builtins/Unit/fixunstfti_test.c
===================================================================
--- compiler-rt/trunk/test/builtins/Unit/fixunstfti_test.c
+++ compiler-rt/trunk/test/builtins/Unit/fixunstfti_test.c
@@ -14,6 +14,8 @@
 
 #include <stdio.h>
 
+// UNSUPPORTED: mips
+
 #if __LDBL_MANT_DIG__ == 113
 
 #include "fp_test.h"
Index: compiler-rt/trunk/test/builtins/Unit/fixunsxfti_test.c
===================================================================
--- compiler-rt/trunk/test/builtins/Unit/fixunsxfti_test.c
+++ compiler-rt/trunk/test/builtins/Unit/fixunsxfti_test.c
@@ -2,6 +2,8 @@
 // XFAIL: aarch64
 // test fails for aarch64 (see pr32260)
 
+// UNSUPPORTED: mips
+
 //===-- fixunsxfti_test.c - Test __fixunsxfti -----------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
Index: compiler-rt/trunk/test/builtins/Unit/fixxfti_test.c
===================================================================
--- compiler-rt/trunk/test/builtins/Unit/fixxfti_test.c
+++ compiler-rt/trunk/test/builtins/Unit/fixxfti_test.c
@@ -2,6 +2,8 @@
 // XFAIL: aarch64
 // test fails for aarch64 (see pr32260)
 
+// UNSUPPORTED: mips
+
 //===-- fixxfti_test.c - Test __fixxfti -----------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
Index: compiler-rt/trunk/test/builtins/Unit/floattixf_test.c
===================================================================
--- compiler-rt/trunk/test/builtins/Unit/floattixf_test.c
+++ compiler-rt/trunk/test/builtins/Unit/floattixf_test.c
@@ -2,6 +2,8 @@
 // XFAIL: aarch64
 // test fails for aarch64 (see pr32260)
 
+// UNSUPPORTED: mips
+
 //===-- floattixf.c - Test __floattixf ------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
Index: compiler-rt/trunk/test/builtins/Unit/floatuntixf_test.c
===================================================================
--- compiler-rt/trunk/test/builtins/Unit/floatuntixf_test.c
+++ compiler-rt/trunk/test/builtins/Unit/floatuntixf_test.c
@@ -2,6 +2,8 @@
 // XFAIL: aarch64
 // test fails for aarch64 (see pr32260)
 
+// UNSUPPORTED: mips
+
 //===-- floatuntixf.c - Test __floatuntixf --------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
Index: compiler-rt/trunk/test/builtins/Unit/mulxc3_test.c
===================================================================
--- compiler-rt/trunk/test/builtins/Unit/mulxc3_test.c
+++ compiler-rt/trunk/test/builtins/Unit/mulxc3_test.c
@@ -19,6 +19,7 @@
 #include <complex.h>
 #include <stdio.h>
 
+// UNSUPPORTED: mips
 // REQUIRES: c99-complex
 
 // Returns: the product of a + ib and c + id