diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/Makefile b/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
index e07074356b..78400a7a4a 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
@@ -23,6 +23,20 @@ routines += ieee128-vfwprintf
 routines += ieee128-vswprintf
 routines += ieee128-vwprintf
 
+routines += ieee128-asprintf_chk
+routines += ieee128-dprintf_chk
+routines += ieee128-fprintf_chk
+routines += ieee128-printf_chk
+routines += ieee128-snprintf_chk
+routines += ieee128-sprintf_chk
+
+routines += ieee128-vasprintf_chk
+routines += ieee128-vdprintf_chk
+routines += ieee128-vfprintf_chk
+routines += ieee128-vprintf_chk
+routines += ieee128-vsnprintf_chk
+routines += ieee128-vsprintf_chk
+
 # Printing long double values with IEEE binary128 format reuses part
 # of the internal float128 implementation (__printf_fp, __printf_fphex,
 # and __float128 variables and union members).  Thus, the compilation of
@@ -40,12 +54,19 @@ tests-internal += test-wprintf-ieee128 test-wprintf-ibm128
 CFLAGS-test-wprintf-ieee128.c += -mfloat128 -mabi=ieeelongdouble -Wno-psabi
 CFLAGS-test-wprintf-ibm128.c += -mabi=ibmlongdouble -Wno-psabi
 
+tests-internal += test-printf-chk-ieee128 test-printf-chk-ibm128
+CFLAGS-test-printf-chk-ieee128.c += -mfloat128 -mabi=ieeelongdouble -Wno-psabi
+CFLAGS-test-printf-chk-ibm128.c += -mabi=ibmlongdouble -Wno-psabi
+
 ifeq ($(run-built-tests),yes)
 tests-special += $(objpfx)test-printf-ieee128.out
 tests-special += $(objpfx)test-printf-ibm128.out
 
 tests-special += $(objpfx)test-wprintf-ieee128.out
 tests-special += $(objpfx)test-wprintf-ibm128.out
+
+tests-special += $(objpfx)test-printf-chk-ieee128.out
+tests-special += $(objpfx)test-printf-chk-ibm128.out
 endif
 
 $(objpfx)test-printf-ieee128.out: \
@@ -71,4 +92,16 @@ $(objpfx)test-wprintf-ibm128.out: \
   $(objpfx)test-wprintf-ibm128
 	$(SHELL) $^ '$(test-program-prefix)' $@; \
 	$(evaluate-test)
+
+$(objpfx)test-printf-chk-ieee128.out: \
+  ../sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.sh \
+  $(objpfx)test-printf-chk-ieee128
+	$(SHELL) $^ '$(test-program-prefix)' $@; \
+	$(evaluate-test)
+
+$(objpfx)test-printf-chk-ibm128.out: \
+  ../sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.sh \
+  $(objpfx)test-printf-chk-ibm128
+	$(SHELL) $^ '$(test-program-prefix)' $@; \
+	$(evaluate-test)
 endif
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/Versions b/sysdeps/ieee754/ldbl-128ibm-compat/Versions
index 4c3f8622b1..540237d6d4 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/Versions
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/Versions
@@ -134,5 +134,19 @@ libc {
     __vfwprintfieee128;
     __vswprintfieee128;
     __vwprintfieee128;
+
+    __asprintf_chkieee128;
+    __dprintf_chkieee128;
+    __fprintf_chkieee128;
+    __printf_chkieee128;
+    __snprintf_chkieee128;
+    __sprintf_chkieee128;
+
+    __vasprintf_chkieee128;
+    __vdprintf_chkieee128;
+    __vfprintf_chkieee128;
+    __vprintf_chkieee128;
+    __vsnprintf_chkieee128;
+    __vsprintf_chkieee128;
   }
 }
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c
new file mode 100644
index 0000000000..d3b9ee0b79
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c
@@ -0,0 +1,38 @@
+/* Wrapper for __asprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdarg.h>
+#include <libio/libioP.h>
+
+extern int
+___ieee128_asprintf_chk (char **string_ptr, int flag, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  va_start (ap, format);
+  done = __vasprintf_internal (string_ptr, format, ap, mode);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_asprintf_chk, __asprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-dprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-dprintf_chk.c
new file mode 100644
index 0000000000..7b4ce157be
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-dprintf_chk.c
@@ -0,0 +1,38 @@
+/* Wrapper for __dprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdarg.h>
+#include <libio/libioP.h>
+
+extern int
+___ieee128_dprintf_chk (int d, int flag, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  va_start (ap, format);
+  done = __vdprintf_internal (d, format, ap, mode);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_dprintf_chk, __dprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c
new file mode 100644
index 0000000000..a1ec25b6e8
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c
@@ -0,0 +1,38 @@
+/* Wrapper for __fprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdarg.h>
+#include <libio/libioP.h>
+
+extern int
+___ieee128_fprintf_chk (FILE *fp, int flag, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  va_start (ap, format);
+  done = __vfprintf_internal (fp, format, ap, mode);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_fprintf_chk, __fprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf_chk.c
new file mode 100644
index 0000000000..b94ec7d5cd
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf_chk.c
@@ -0,0 +1,38 @@
+/* Wrapper for __printf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdarg.h>
+#include <libio/libioP.h>
+
+extern int
+___ieee128_printf_chk (int flag, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  va_start (ap, format);
+  done = __vfprintf_internal (stdout, format, ap, mode);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_printf_chk, __printf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-snprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-snprintf_chk.c
new file mode 100644
index 0000000000..5f5c0297fd
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-snprintf_chk.c
@@ -0,0 +1,42 @@
+/* Wrapper for __snprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdarg.h>
+#include <libio/libioP.h>
+
+extern int
+___ieee128_snprintf_chk (char *s, size_t maxlen, int flag, size_t slen,
+			const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  if (__glibc_unlikely (slen < maxlen))
+    __chk_fail ();
+
+  va_start (ap, format);
+  done = __vsnprintf_internal (s, maxlen, format, ap, mode);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_snprintf_chk, __snprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c
new file mode 100644
index 0000000000..05847df6ec
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c
@@ -0,0 +1,42 @@
+/* Wrapper for __sprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdarg.h>
+#include <libio/libioP.h>
+
+extern int
+___ieee128_sprintf_chk (char *s, int flag, size_t slen,
+		       const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  if (slen == 0)
+    __chk_fail ();
+
+  va_start (ap, format);
+  done = __vsprintf_internal (s, -1, format, ap, mode);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_sprintf_chk, __sprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vasprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vasprintf_chk.c
new file mode 100644
index 0000000000..5b1b5ad08a
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vasprintf_chk.c
@@ -0,0 +1,31 @@
+/* Wrapper for __vasprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <libio/libioP.h>
+
+extern int
+___ieee128_vasprintf_chk (char **result_ptr, int flag, const char *format,
+			 va_list ap)
+{
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vasprintf_internal (result_ptr, format, ap, mode);
+}
+strong_alias (___ieee128_vasprintf_chk, __vasprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vdprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vdprintf_chk.c
new file mode 100644
index 0000000000..b01fcb61a4
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vdprintf_chk.c
@@ -0,0 +1,30 @@
+/* Wrapper for __vdprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <libio/libioP.h>
+
+extern int
+___ieee128_vdprintf_chk (int d, int flag, const char *format, va_list ap)
+{
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vdprintf_internal (d, format, ap, mode);
+}
+strong_alias (___ieee128_vdprintf_chk, __vdprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vfprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vfprintf_chk.c
new file mode 100644
index 0000000000..d3a494494c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vfprintf_chk.c
@@ -0,0 +1,30 @@
+/* Wrapper for __vfprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <libio/libioP.h>
+
+extern int
+___ieee128_vfprintf_chk (FILE *fp, int flag, const char *format, va_list ap)
+{
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vfprintf_internal (fp, format, ap, mode);
+}
+strong_alias (___ieee128_vfprintf_chk, __vfprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vprintf_chk.c
new file mode 100644
index 0000000000..c11d36f2ee
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vprintf_chk.c
@@ -0,0 +1,30 @@
+/* Wrapper for __vprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <libio/libioP.h>
+
+extern int
+___ieee128_vprintf_chk (int flag, const char *format, va_list ap)
+{
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vfprintf_internal (stdout, format, ap, mode);
+}
+strong_alias (___ieee128_vprintf_chk, __vprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsnprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsnprintf_chk.c
new file mode 100644
index 0000000000..9fc43a67c9
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsnprintf_chk.c
@@ -0,0 +1,34 @@
+/* Wrapper for __vsnprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <libio/libioP.h>
+
+extern int
+___ieee128_vsnprintf_chk (char *string, size_t maxlen, int flag,
+			 size_t slen, const char *format, va_list ap)
+{
+  if (__glibc_unlikely (slen < maxlen))
+    __chk_fail ();
+
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vsnprintf_internal (string, maxlen, format, ap, mode);
+}
+strong_alias (___ieee128_vsnprintf_chk, __vsnprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c
new file mode 100644
index 0000000000..964a26f935
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c
@@ -0,0 +1,34 @@
+/* Wrapper for __vsprintf_chk.  IEEE128 version.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <libio/libioP.h>
+
+extern int
+___ieee128_vsprintf_chk (char *string, int flag, size_t slen,
+			const char *format, va_list ap)
+{
+  unsigned int mode = PRINTF_LDBL_USES_FLOAT128;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  if (slen == 0)
+    __chk_fail ();
+
+  return __vsprintf_internal (string, -1, format, ap, mode);
+}
+strong_alias (___ieee128_vsprintf_chk, __vsprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ibm128.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ibm128.c
new file mode 100644
index 0000000000..7d50284d9c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ibm128.c
@@ -0,0 +1 @@
+#include <test-printf-chk-ldbl-compat.c>
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ieee128.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ieee128.c
new file mode 100644
index 0000000000..7d50284d9c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ieee128.c
@@ -0,0 +1 @@
+#include <test-printf-chk-ldbl-compat.c>
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c
new file mode 100644
index 0000000000..3243a8ecf9
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c
@@ -0,0 +1,142 @@
+/* Test for the long double variants of *printf_chk functions.
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#define _FORTIFY_SOURCE 2
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include <support/check.h>
+
+static void
+do_test_call_varg (FILE *stream, const char *format, ...)
+{
+  char *buffer = NULL;
+  char string[128];
+  int res;
+  va_list args;
+
+  printf ("%20s", "__vasprintf_chk: ");
+  va_start (args, format);
+  res = __vasprintf_chk (&buffer, 1, format, args);
+  va_end (args);
+  if (res == -1)
+    printf ("Error using vasprintf\n");
+  if (buffer == NULL)
+    printf ("Error using vasprintf\n");
+  else
+    {
+      printf ("%s", buffer);
+      free (buffer);
+    }
+  printf ("\n");
+
+  printf ("%20s", "__vdprintf_chk: ");
+  va_start (args, format);
+  __vdprintf_chk (1, 1, format, args);
+  va_end (args);
+  printf ("\n");
+
+  printf ("%20s", "__vfprintf_chk: ");
+  va_start (args, format);
+  __vfprintf_chk (stream, 1, format, args);
+  va_end (args);
+  printf ("\n");
+
+  printf ("%20s", "__vprintf_chk: ");
+  va_start (args, format);
+  __vprintf_chk (1, format, args);
+  va_end (args);
+  printf ("\n");
+
+  printf ("%20s", "__vsnprintf_chk: ");
+  va_start (args, format);
+  __vsnprintf_chk (string, 79, 1, 127, format, args);
+  va_end (args);
+  printf ("%s", string);
+  printf ("\n");
+
+  printf ("%20s", "__vsprintf_chk: ");
+  va_start (args, format);
+  __vsprintf_chk (string, 1, 127, format, args);
+  va_end (args);
+  printf ("%s", string);
+  printf ("\n");
+}
+
+static void
+do_test_call_rarg (FILE *stream, const char *format, long double ld)
+{
+  char *buffer = NULL;
+  char string[128];
+  int res;
+
+  printf ("%20s", "__asprintf_chk: ");
+  res = __asprintf_chk (&buffer, 1, format, ld);
+  if (res == -1)
+    printf ("Error using vasprintf\n");
+  if (buffer == NULL)
+    printf ("Error using asprintf\n");
+  else
+    {
+      printf ("%s", buffer);
+      free (buffer);
+    }
+  printf ("\n");
+
+  printf ("%20s", "__dprintf_chk: ");
+  __dprintf_chk (1, 1, format, ld);
+  printf ("\n");
+
+  printf ("%20s", "__fprintf_chk: ");
+  __fprintf_chk (stdout, 1, format, ld);
+  printf ("\n");
+
+  printf ("%20s", "__printf_chk: ");
+  __printf_chk (1, format, ld);
+  printf ("\n");
+
+  printf ("%20s", "__snprintf_chk: ");
+  __snprintf_chk (string, 79, 1, 127, format, ld);
+  printf ("%s", string);
+  printf ("\n");
+
+  printf ("%20s", "__sprintf_chk: ");
+  __sprintf_chk (string, 1, 127, format, ld);
+  printf ("%s", string);
+  printf ("\n");
+}
+
+static int
+do_test (void)
+{
+  long double ld = -1;
+
+  /* Print in decimal notation.  */
+  do_test_call_rarg (stdout, "%.60Lf", ld);
+  do_test_call_varg (stdout, "%.60Lf", ld);
+
+  /* Print in hexadecimal notation.  */
+  do_test_call_rarg (stdout, "%.60La", ld);
+  do_test_call_varg (stdout, "%.60La", ld);
+
+  return 0;
+}
+
+#include <support/test-driver.c>
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.sh b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.sh
new file mode 100644
index 0000000000..872e1e2721
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+# Testing of *printf.  IEEE binary128 for powerpc64le version.
+# Copyright (C) 2018 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
+# <http://www.gnu.org/licenses/>.
+
+set -e
+
+test_program=$1; shift
+test_program_prefix=$1; shift
+test_program_output=$1; shift
+
+status=0
+
+${test_program_prefix} \
+  ${test_program} \
+  > ${test_program_output} || status=1
+
+cat <<'EOF' |
+    __asprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+     __dprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+     __fprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+      __printf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+    __snprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+     __sprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+   __vasprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+    __vdprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+    __vfprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+     __vprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+   __vsnprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+    __vsprintf_chk: -1.000000000000000000000000000000000000000000000000000000000000
+    __asprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+     __dprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+     __fprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+      __printf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+    __snprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+     __sprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+   __vasprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+    __vdprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+    __vfprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+     __vprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+   __vsnprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+    __vsprintf_chk: -0x1.000000000000000000000000000000000000000000000000000000000000p+0
+EOF
+cmp - ${test_program_output} > /dev/null 2>&1 ||
+{
+  status=1
+  echo "*** output comparison failed"
+}
+
+exit $status
