diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h
index 99713c8447..9bb44c8535 100644
--- a/nptl/pthreadP.h
+++ b/nptl/pthreadP.h
@@ -462,6 +462,8 @@ extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex);
 #if __TIMESIZE == 64
 # define __pthread_clockjoin_np64 __pthread_clockjoin_np
 # define __pthread_timedjoin_np64 __pthread_timedjoin_np
+# define __pthread_cond_timedwait64 __pthread_cond_timedwait
+# define __pthread_cond_clockwait64 __pthread_cond_clockwait
 #else
 extern int __pthread_clockjoin_np64 (pthread_t threadid, void **thread_return,
                                      clockid_t clockid,
@@ -470,6 +472,15 @@ libc_hidden_proto (__pthread_clockjoin_np64)
 extern int __pthread_timedjoin_np64 (pthread_t threadid, void **thread_return,
                                      const struct __timespec64 *abstime);
 libc_hidden_proto (__pthread_timedjoin_np64)
+extern int __pthread_cond_timedwait64 (pthread_cond_t *cond,
+                                       pthread_mutex_t *mutex,
+                                       const struct __timespec64 *abstime);
+libpthread_hidden_proto (__pthread_cond_timedwait64)
+extern int __pthread_cond_clockwait64 (pthread_cond_t *cond,
+                                       pthread_mutex_t *mutex,
+                                       clockid_t clockid,
+                                       const struct __timespec64 *abstime);
+libpthread_hidden_proto (__pthread_cond_clockwait64)
 #endif
 
 extern int __pthread_cond_timedwait (pthread_cond_t *cond,
diff --git a/nptl/pthread_cond_wait.c b/nptl/pthread_cond_wait.c
index 85ddbc1011..7d158d553f 100644
--- a/nptl/pthread_cond_wait.c
+++ b/nptl/pthread_cond_wait.c
@@ -378,8 +378,7 @@ __condvar_cleanup_waiting (void *arg)
 */
 static __always_inline int
 __pthread_cond_wait_common (pthread_cond_t *cond, pthread_mutex_t *mutex,
-    clockid_t clockid,
-    const struct timespec *abstime)
+    clockid_t clockid, const struct __timespec64 *abstime)
 {
   const int maxspin = 0;
   int err;
@@ -517,7 +516,7 @@ __pthread_cond_wait_common (pthread_cond_t *cond, pthread_mutex_t *mutex,
 	        err = ETIMEDOUT;
 	      else
 		{
-		  err = futex_abstimed_wait_cancelable
+		  err = __futex_abstimed_wait_cancelable64
                     (cond->__data.__g_signals + g, 0, clockid, abstime,
                      private);
 		}
@@ -640,8 +639,8 @@ __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex)
 
 /* See __pthread_cond_wait_common.  */
 int
-__pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
-    const struct timespec *abstime)
+__pthread_cond_timedwait64 (pthread_cond_t *cond, pthread_mutex_t *mutex,
+                            const struct __timespec64 *abstime)
 {
   /* Check parameter validity.  This should also tell the compiler that
      it can assume that abstime is not NULL.  */
@@ -655,6 +654,20 @@ __pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
                     ? CLOCK_MONOTONIC : CLOCK_REALTIME;
   return __pthread_cond_wait_common (cond, mutex, clockid, abstime);
 }
+
+#if __TIMESIZE != 64
+libpthread_hidden_def (__pthread_cond_timedwait64)
+
+int
+__pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
+                          const struct timespec *abstime)
+{
+  struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime);
+
+  return __pthread_cond_timedwait64 (cond, mutex, &ts64);
+}
+#endif
+
 versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
 		  GLIBC_2_3_2);
 versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
@@ -662,9 +675,9 @@ versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
 
 /* See __pthread_cond_wait_common.  */
 int
-__pthread_cond_clockwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
-			  clockid_t clockid,
-			  const struct timespec *abstime)
+__pthread_cond_clockwait64 (pthread_cond_t *cond, pthread_mutex_t *mutex,
+                            clockid_t clockid,
+                            const struct __timespec64 *abstime)
 {
   /* Check parameter validity.  This should also tell the compiler that
      it can assume that abstime is not NULL.  */
@@ -676,4 +689,18 @@ __pthread_cond_clockwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
 
   return __pthread_cond_wait_common (cond, mutex, clockid, abstime);
 }
+
+#if __TIMESIZE != 64
+libpthread_hidden_def (__pthread_cond_clockwait64)
+
+int
+__pthread_cond_clockwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
+                          clockid_t clockid,
+                          const struct timespec *abstime)
+{
+  struct __timespec64 ts64 = valid_timespec_to_timespec64 (*abstime);
+
+  return __pthread_cond_clockwait64 (cond, mutex, clockid, &ts64);
+}
+#endif
 weak_alias (__pthread_cond_clockwait, pthread_cond_clockwait);
diff --git a/sysdeps/nptl/Makefile b/sysdeps/nptl/Makefile
index 0631a870c8..a65be3b7ea 100644
--- a/sysdeps/nptl/Makefile
+++ b/sysdeps/nptl/Makefile
@@ -17,7 +17,7 @@
 # <https://www.gnu.org/licenses/>.
 
 ifeq ($(subdir),nptl)
-libpthread-sysdep_routines += errno-loc
+libpthread-sysdep_routines += errno-loc futex-internal
 endif
 
 ifeq ($(subdir),rt)
diff --git a/sysdeps/nptl/futex-internal.c b/sysdeps/nptl/futex-internal.c
new file mode 100644
index 0000000000..692820b0b0
--- /dev/null
+++ b/sysdeps/nptl/futex-internal.c
@@ -0,0 +1,96 @@
+/* futex helper functions for glibc-internal use.
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <time.h>
+#include <futex-internal.h>
+#include <kernel-features.h>
+
+#ifndef __ASSUME_TIME64_SYSCALLS
+static int
+__futex_abstimed_wait_cancellable32 (unsigned int* futex_word,
+                                     unsigned int expected, clockid_t clockid,
+                                     const struct __timespec64* abstime,
+                                     int private)
+{
+  if (! in_time_t_range (abstime->tv_sec))
+    return -EOVERFLOW;
+
+  unsigned int clockbit = (clockid == CLOCK_REALTIME)
+	  ? FUTEX_CLOCK_REALTIME : 0;
+  int op = __lll_private_flag (FUTEX_WAIT_BITSET | clockbit, private);
+
+  struct timespec ts32 = valid_timespec64_to_timespec (*abstime);
+  return INTERNAL_SYSCALL_CANCEL (futex, futex_word, op, expected,
+                                  &ts32, NULL /* Unused.  */,
+                                  FUTEX_BITSET_MATCH_ANY);
+}
+#endif
+
+int
+attribute_hidden
+__futex_abstimed_wait_cancelable64 (unsigned int* futex_word,
+                                    unsigned int expected, clockid_t clockid,
+                                    const struct __timespec64* abstime,
+                                    int private)
+{
+  unsigned int clockbit;
+  int err;
+
+  /* Work around the fact that the kernel rejects negative timeout values
+     despite them being valid.  */
+  if (__glibc_unlikely ((abstime != NULL) && (abstime->tv_sec < 0)))
+    return ETIMEDOUT;
+
+  if (! lll_futex_supported_clockid (clockid))
+    return EINVAL;
+
+  clockbit = (clockid == CLOCK_REALTIME) ? FUTEX_CLOCK_REALTIME : 0;
+  int op = __lll_private_flag (FUTEX_WAIT_BITSET | clockbit, private);
+
+  err = INTERNAL_SYSCALL_CANCEL (futex_time64, futex_word, op, expected,
+                                 abstime, NULL /* Unused.  */,
+                                 FUTEX_BITSET_MATCH_ANY);
+#ifndef __ASSUME_TIME64_SYSCALLS
+if (err == -ENOSYS)
+	err = __futex_abstimed_wait_cancellable32 (futex_word, expected,
+	                                           clockid, abstime, private);
+#endif
+
+  switch (err)
+    {
+    case 0:
+    case -EAGAIN:
+    case -EINTR:
+    case -ETIMEDOUT:
+    case -EOVERFLOW:  /* Passed absolute timeout uses 64 bit time_t type, but
+                         underlying kernel does not support 64 bit time_t futex
+                         syscalls.  */
+      return -err;
+
+    case -EFAULT: /* Must have been caused by a glibc or application bug.  */
+    case -EINVAL: /* Either due to wrong alignment or due to the timeout not
+		     being normalized.  Must have been caused by a glibc or
+		     application bug.  */
+    case -ENOSYS: /* Must have been caused by a glibc bug.  */
+    /* No other errors are documented at this time.  */
+    default:
+      futex_fatal_error ();
+    }
+}
diff --git a/sysdeps/nptl/futex-internal.h b/sysdeps/nptl/futex-internal.h
index 159aae82dc..3c4a3edb55 100644
--- a/sysdeps/nptl/futex-internal.h
+++ b/sysdeps/nptl/futex-internal.h
@@ -519,4 +519,15 @@ futex_timed_wait_cancel64 (pid_t *tidp,  pid_t tid,
       futex_fatal_error ();
     }
 }
+
+/* The futex_abstimed_wait_cancelable64 has been moved to a separate file
+   to avoid problems with exhausting available registers on some architectures
+   - e.g. on m68k architecture.  */
+int
+attribute_hidden
+__futex_abstimed_wait_cancelable64 (unsigned int* futex_word,
+                                    unsigned int expected, clockid_t clockid,
+                                    const struct __timespec64* abstime,
+                                    int private);
+
 #endif  /* futex-internal.h */
