diff --git a/elf/tst-addr1.c b/elf/tst-addr1.c
index 68ff74aabd..ee81acda5b 100644
--- a/elf/tst-addr1.c
+++ b/elf/tst-addr1.c
@@ -19,7 +19,12 @@ do_test (void)
 		rather than in the binary.  printf and _IO_printf
 		are aliased and which one comes first in the
 		hash table is up to the linker.  */
-	     && strcmp (i.dli_sname, "_IO_printf") != 0);
+	     && strcmp (i.dli_sname, "_IO_printf") != 0
+	     /* On architectures where long double with IEEE binary128
+		format is available as a third option (initially, true
+		for powerpc64le), printf may be redirected to
+		__printfieee128.  */
+	     && strcmp (i.dli_sname, "__printfieee128") != 0);
 }
 
 #include <support/test-driver.c>
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/Makefile b/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
index 412beb5b5c..89059f37e2 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/Makefile
@@ -1,5 +1,30 @@
 ifeq ($(subdir),stdio-common)
-routines += ieee128-printf_size
+ldbl-extra-routines += printf_size \
+		       asprintf \
+		       dprintf \
+		       fprintf \
+		       printf \
+		       snprintf \
+		       sprintf \
+		       vasprintf \
+		       vdprintf \
+		       vfprintf \
+		       vprintf \
+		       vsnprintf \
+		       vsprintf
+
+# 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
+# the following functions, must have -mfloat128 and -mabi=ibmlongdouble
+# passed to the compiler.
+CFLAGS-vfprintf-internal.c += -mfloat128 -mabi=ibmlongdouble
+
+# Basic tests for the implementation of long double with IEEE binary128
+# format and for the related redirections in installed headers.
+tests-internal += test-printf-ieee128 test-printf-ibm128
+CFLAGS-test-printf-ieee128.c += -mfloat128 -mabi=ieeelongdouble -Wno-psabi
+CFLAGS-test-printf-ibm128.c += -mabi=ibmlongdouble -Wno-psabi
 
 tests-internal += test-printf-size-ieee128 test-printf-size-ibm128
 CFLAGS-test-printf-size-ieee128.c += -mfloat128 -mabi=ieeelongdouble -Wno-psabi
@@ -20,3 +45,23 @@ $(objpfx)test-printf-size-ibm128.out: \
 	$(SHELL) $^ '$(test-program-prefix)' $@; \
 	$(evaluate-test)
 endif
+
+# Add IEEE binary128 files as make targets.
+routines += $(foreach r,$(ldbl-extra-routines),ieee128-$(r))
+
+# On powerpc64le, the routines responsible for converting between long
+# double and string (e.g.: printf, scanf, strtold, strfroml) default to
+# IBM long double mode.  When support for TS 18661-3 was added, several
+# internal functions were modified so that they could also handle
+# floating-point variables with IEEE binary128 format, but as an
+# additional type, _Float128.
+#
+# The following rule ensures that the string conversion routines will
+# always be built in IBM long double mode, with additional support for
+# IEEE binary128, through the use of -mabi=ibmlongdouble and -mfloat128.
+ldbl-ibm128-files := $(objpfx)test-%-ibm128^ \
+		     $(foreach r,$(ldbl-extra-routines),$(objpfx)$(r)^) \
+		     $(foreach r,$(ldbl-extra-routines),$(objpfx)$(r)-internal^)
+obj-suf-foreach = $(foreach suf,$(all-object-suffixes),$(subst ^,$(suf),$(1)))
+$(call obj-suf-foreach,$(ldbl-ibm128-files)): \
+  sysdep-CFLAGS += -mabi=ibmlongdouble
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/Versions b/sysdeps/ieee754/ldbl-128ibm-compat/Versions
index 4aa34dbe59..6a27befed2 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/Versions
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/Versions
@@ -120,4 +120,19 @@ libc {
     __wcstoieee128_l;
 
     __printf_sizeieee128;
+
+    __asprintfieee128;
+    __dprintfieee128;
+    __fprintfieee128;
+    __printfieee128;
+    __snprintfieee128;
+    __sprintfieee128;
+
+    __vasprintfieee128;
+    __vdprintfieee128;
+    __vfprintfieee128;
+    __vprintfieee128;
+    __vsnprintfieee128;
+    __vsprintfieee128;
   }
+}
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf.c
new file mode 100644
index 0000000000..35c909b124
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf.c
@@ -0,0 +1,35 @@
+/* Wrapper for asprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (char **string_ptr, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  va_start (ap, format);
+  done = __vasprintf_internal (string_ptr, format, ap,
+			       PRINTF_LDBL_USES_FLOAT128);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_asprintf, __asprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-dprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-dprintf.c
new file mode 100644
index 0000000000..0c66c9758b
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-dprintf.c
@@ -0,0 +1,34 @@
+/* Wrapper for dprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (int d, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  va_start (ap, format);
+  done = __vdprintf_internal (d, format, ap, PRINTF_LDBL_USES_FLOAT128);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_dprintf, __dprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf.c
new file mode 100644
index 0000000000..b4b945092a
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf.c
@@ -0,0 +1,34 @@
+/* Wrapper for fprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (FILE *fp, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  va_start (ap, format);
+  done = __vfprintf_internal (fp, format, ap, PRINTF_LDBL_USES_FLOAT128);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_fprintf, __fprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf.c
new file mode 100644
index 0000000000..a1c6d7e0cf
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf.c
@@ -0,0 +1,35 @@
+/* Wrapper for printf.  IEEE128 version.
+   Copyright (C) 2019 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 (const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  va_start (ap, format);
+  done = __vfprintf_internal (stdout, format, ap,
+			      PRINTF_LDBL_USES_FLOAT128);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_printf, __printfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-snprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-snprintf.c
new file mode 100644
index 0000000000..2c09a75d59
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-snprintf.c
@@ -0,0 +1,35 @@
+/* Wrapper for snprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (char *s, size_t maxlen, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  va_start (ap, format);
+  done = __vsnprintf_internal (s, maxlen, format, ap,
+			       PRINTF_LDBL_USES_FLOAT128);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_snprintf, __snprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf.c
new file mode 100644
index 0000000000..727a403634
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf.c
@@ -0,0 +1,35 @@
+/* Wrapper for sprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (char *s, const char *format, ...)
+{
+  va_list ap;
+  int done;
+
+  va_start (ap, format);
+  done = __vsprintf_internal (s, -1, format, ap,
+			      PRINTF_LDBL_USES_FLOAT128);
+  va_end (ap);
+
+  return done;
+}
+strong_alias (___ieee128_sprintf, __sprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vasprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vasprintf.c
new file mode 100644
index 0000000000..650e40affb
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vasprintf.c
@@ -0,0 +1,27 @@
+/* Wrapper for vasprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (char **result_ptr, const char *format, va_list ap)
+{
+  return __vasprintf_internal (result_ptr, format, ap,
+			       PRINTF_LDBL_USES_FLOAT128);
+}
+strong_alias (___ieee128_vasprintf, __vasprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vdprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vdprintf.c
new file mode 100644
index 0000000000..88fbb3743d
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vdprintf.c
@@ -0,0 +1,26 @@
+/* Wrapper for vdprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (int d, const char *format, va_list ap)
+{
+  return __vdprintf_internal (d, format, ap, PRINTF_LDBL_USES_FLOAT128);
+}
+strong_alias (___ieee128_vdprintf, __vdprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vfprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vfprintf.c
new file mode 100644
index 0000000000..ecc2fd36da
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vfprintf.c
@@ -0,0 +1,26 @@
+/* Wrapper for vfprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (FILE *fp, const char *format, va_list ap)
+{
+  return __vfprintf_internal (fp, format, ap, PRINTF_LDBL_USES_FLOAT128);
+}
+strong_alias (___ieee128_vfprintf, __vfprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vprintf.c
new file mode 100644
index 0000000000..35347c60be
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vprintf.c
@@ -0,0 +1,27 @@
+/* Wrapper for vprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (const char *format, va_list ap)
+{
+  return __vfprintf_internal (stdout, format, ap,
+			      PRINTF_LDBL_USES_FLOAT128);
+}
+strong_alias (___ieee128_vprintf, __vprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsnprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsnprintf.c
new file mode 100644
index 0000000000..963b0cb228
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsnprintf.c
@@ -0,0 +1,28 @@
+/* Wrapper for vsnprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (char *string, size_t maxlen, const char *format,
+		      va_list ap)
+{
+  return __vsnprintf_internal (string, maxlen, format, ap,
+			       PRINTF_LDBL_USES_FLOAT128);
+}
+strong_alias (___ieee128_vsnprintf, __vsnprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf.c
new file mode 100644
index 0000000000..822cc31c16
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf.c
@@ -0,0 +1,27 @@
+/* Wrapper for vsprintf.  IEEE128 version.
+   Copyright (C) 2019 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 (char *string, const char *format, va_list ap)
+{
+  return __vsprintf_internal (string, -1, format, ap,
+			      PRINTF_LDBL_USES_FLOAT128);
+}
+strong_alias (___ieee128_vsprintf, __vsprintfieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ibm128.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ibm128.c
new file mode 100644
index 0000000000..5de4ea3e7f
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ibm128.c
@@ -0,0 +1 @@
+#include <test-printf-ldbl-compat.c>
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ieee128.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ieee128.c
new file mode 100644
index 0000000000..5de4ea3e7f
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ieee128.c
@@ -0,0 +1 @@
+#include <test-printf-ldbl-compat.c>
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
new file mode 100644
index 0000000000..939a6aad9c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
@@ -0,0 +1,171 @@
+/* Test for the long double variants of *printf functions.
+   Copyright (C) 2019 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 <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <support/capture_subprocess.h>
+#include <support/check.h>
+
+static void
+do_test_call_varg (FILE *stream, const char *format, ...)
+{
+  char *buffer = NULL;
+  char string[128];
+  va_list args;
+
+  printf ("%15s", "vasprintf: ");
+  va_start (args, format);
+  vasprintf (&buffer, format, args);
+  va_end (args);
+  if (buffer == NULL)
+    printf ("Error using vasprintf\n");
+  else
+    {
+      printf ("%s", buffer);
+      free (buffer);
+    }
+  printf ("\n");
+
+  printf ("%15s", "vdprintf: ");
+  va_start (args, format);
+  vdprintf (fileno (stream), format, args);
+  va_end (args);
+  printf ("\n");
+
+  printf ("%15s", "vfprintf: ");
+  va_start (args, format);
+  vfprintf (stream, format, args);
+  va_end (args);
+  printf ("\n");
+
+  printf ("%15s", "vprintf: ");
+  va_start (args, format);
+  vprintf (format, args);
+  va_end (args);
+  printf ("\n");
+
+  printf ("%15s", "vsnprintf: ");
+  va_start (args, format);
+  vsnprintf (string, 127, format, args);
+  va_end (args);
+  printf ("%s", string);
+  printf ("\n");
+
+  printf ("%15s", "vsprintf: ");
+  va_start (args, format);
+  vsprintf (string, 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];
+
+  printf ("%15s", "asprintf: ");
+  asprintf (&buffer, format, ld);
+  if (buffer == NULL)
+    printf ("Error using asprintf\n");
+  else
+    {
+      printf ("%s", buffer);
+      free (buffer);
+    }
+  printf ("\n");
+
+  printf ("%15s", "dprintf: ");
+  dprintf (fileno (stream), format, ld);
+  printf ("\n");
+
+  printf ("%15s", "fprintf: ");
+  fprintf (stream, format, ld);
+  printf ("\n");
+
+  printf ("%15s", "printf: ");
+  printf (format, ld);
+  printf ("\n");
+
+  printf ("%15s", "snprintf: ");
+  snprintf (string, 127, format, ld);
+  printf ("%s", string);
+  printf ("\n");
+
+  printf ("%15s", "sprintf: ");
+  sprintf (string, format, ld);
+  printf ("%s", string);
+  printf ("\n");
+}
+
+static void
+do_test_call (void)
+{
+  long double ld = -1;
+
+  /* Print in decimal notation.  */
+  do_test_call_rarg (stdout, "%.10Lf", ld);
+  do_test_call_varg (stdout, "%.10Lf", ld);
+
+  /* Print in hexadecimal notation.  */
+  do_test_call_rarg (stdout, "%.10La", ld);
+  do_test_call_varg (stdout, "%.10La", ld);
+}
+
+static int
+do_test (void)
+{
+  struct support_capture_subprocess result;
+  result = support_capture_subprocess ((void *) &do_test_call, NULL);
+
+  /* Compare against the expected output.  */
+  const char *expected =
+    "     asprintf: -1.0000000000\n"
+    "      dprintf: -1.0000000000\n"
+    "      fprintf: -1.0000000000\n"
+    "       printf: -1.0000000000\n"
+    "     snprintf: -1.0000000000\n"
+    "      sprintf: -1.0000000000\n"
+    "    vasprintf: -1.0000000000\n"
+    "     vdprintf: -1.0000000000\n"
+    "     vfprintf: -1.0000000000\n"
+    "      vprintf: -1.0000000000\n"
+    "    vsnprintf: -1.0000000000\n"
+    "     vsprintf: -1.0000000000\n"
+    "     asprintf: -0x1.0000000000p+0\n"
+    "      dprintf: -0x1.0000000000p+0\n"
+    "      fprintf: -0x1.0000000000p+0\n"
+    "       printf: -0x1.0000000000p+0\n"
+    "     snprintf: -0x1.0000000000p+0\n"
+    "      sprintf: -0x1.0000000000p+0\n"
+    "    vasprintf: -0x1.0000000000p+0\n"
+    "     vdprintf: -0x1.0000000000p+0\n"
+    "     vfprintf: -0x1.0000000000p+0\n"
+    "      vprintf: -0x1.0000000000p+0\n"
+    "    vsnprintf: -0x1.0000000000p+0\n"
+    "     vsprintf: -0x1.0000000000p+0\n";
+  TEST_COMPARE_STRING (expected, result.out.buffer);
+
+  return 0;
+}
+
+#include <support/test-driver.c>
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/ldbl-128ibm-compat-abi.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/ldbl-128ibm-compat-abi.h
new file mode 100644
index 0000000000..285216b231
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/ldbl-128ibm-compat-abi.h
@@ -0,0 +1,8 @@
+/* ABI version for long double switch to IEEE 128-bit floating point..
+   This is used by the Versions and math_ldbl_opt.h files in
+   sysdeps/ieee754/ldbl-128ibm-compat/.  It gives the ABI version where
+   long double == ibm128 was replaced with long double == _Float128
+   for libm *l functions and libc functions using long double.  */
+
+#define LDBL_IBM128_VERSION		GLIBC_2.31
+#define LDBL_IBM128_COMPAT_VERSION	GLIBC_2_31
