Merge release/2.20/master into ibm/2.20/masteribm/2.20/master

Conflicts:
	NEWS

11 files changed, 632 insertions, 254 deletions

diff --git a/sysdeps/s390/bits/link.h b/sysdeps/s390/bits/link.h
index a5ab5468e3..9de8ebe271 100644
--- a/sysdeps/s390/bits/link.h
+++ b/sysdeps/s390/bits/link.h
@@ -19,6 +19,9 @@
 # error "Never include <bits/link.h> directly; use <link.h> instead."
 #endif
 
+#if defined HAVE_S390_VX_ASM_SUPPORT
+typedef char La_s390_vr[16];
+#endif
 
 #if __ELF_NATIVE_CLASS == 32
 
@@ -32,6 +35,16 @@ typedef struct La_s390_32_regs
   uint32_t lr_r6;
   double lr_fp0;
   double lr_fp2;
+# if defined HAVE_S390_VX_ASM_SUPPORT
+  La_s390_vr lr_v24;
+  La_s390_vr lr_v25;
+  La_s390_vr lr_v26;
+  La_s390_vr lr_v27;
+  La_s390_vr lr_v28;
+  La_s390_vr lr_v29;
+  La_s390_vr lr_v30;
+  La_s390_vr lr_v31;
+# endif
 } La_s390_32_regs;
 
 /* Return values for calls from PLT on s390-32.  */
@@ -40,6 +53,9 @@ typedef struct La_s390_32_retval
   uint32_t lrv_r2;
   uint32_t lrv_r3;
   double lrv_fp0;
+# if defined HAVE_S390_VX_ASM_SUPPORT
+  La_s390_vr lrv_v24;
+# endif
 } La_s390_32_retval;
 
 
@@ -77,6 +93,16 @@ typedef struct La_s390_64_regs
   double lr_fp2;
   double lr_fp4;
   double lr_fp6;
+# if defined HAVE_S390_VX_ASM_SUPPORT
+  La_s390_vr lr_v24;
+  La_s390_vr lr_v25;
+  La_s390_vr lr_v26;
+  La_s390_vr lr_v27;
+  La_s390_vr lr_v28;
+  La_s390_vr lr_v29;
+  La_s390_vr lr_v30;
+  La_s390_vr lr_v31;
+# endif
 } La_s390_64_regs;
 
 /* Return values for calls from PLT on s390-64.  */
@@ -84,6 +110,9 @@ typedef struct La_s390_64_retval
 {
   uint64_t lrv_r2;
   double lrv_fp0;
+# if defined HAVE_S390_VX_ASM_SUPPORT
+  La_s390_vr lrv_v24;
+# endif
 } La_s390_64_retval;
 
 
diff --git a/sysdeps/s390/configure b/sysdeps/s390/configure
index 6948cc2190..9e182f7ca1 100644
--- a/sysdeps/s390/configure
+++ b/sysdeps/s390/configure
@@ -104,5 +104,46 @@ if test "$enable_lock_elision" = yes && test "$libc_cv_gcc_builtin_tbegin" = no
    critic_missing="$critic_missing The used GCC has no support for __builtin_tbegin, which is needed for lock-elision on target S390."
 fi
 
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 vector instruction support" >&5
+$as_echo_n "checking for S390 vector instruction support... " >&6; }
+if ${libc_cv_asm_s390_vx+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat > conftest.c <<\EOF
+void testvecinsn ()
+{
+    __asm__ (".machine \"z13\" \n\t"
+	     ".machinemode \"zarch_nohighgprs\" \n\t"
+	     "vistrbs %%v16,%%v17 \n\t"
+	     "locghie %%r1,0" : :);
+}
+EOF
+if { ac_try='${CC-cc} --shared conftest.c -o conftest.o &> /dev/null'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; } ;
+then
+  libc_cv_asm_s390_vx=yes
+else
+  libc_cv_asm_s390_vx=no
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_vx" >&5
+$as_echo "$libc_cv_asm_s390_vx" >&6; }
+
+if test "$libc_cv_asm_s390_vx" = yes ;
+then
+  $as_echo "#define HAVE_S390_VX_ASM_SUPPORT 1" >>confdefs.h
+
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Use binutils with vector-support in order to use optimized implementations." >&5
+$as_echo "$as_me: WARNING: Use binutils with vector-support in order to use optimized implementations." >&2;}
+fi
+
+
 test -n "$critic_missing" && as_fn_error $? "
 *** $critic_missing" "$LINENO" 5
diff --git a/sysdeps/s390/configure.ac b/sysdeps/s390/configure.ac
index 493e9a469c..4da134e9a0 100644
--- a/sysdeps/s390/configure.ac
+++ b/sysdeps/s390/configure.ac
@@ -36,5 +36,34 @@ if test "$enable_lock_elision" = yes && test "$libc_cv_gcc_builtin_tbegin" = no
    critic_missing="$critic_missing The used GCC has no support for __builtin_tbegin, which is needed for lock-elision on target S390."
 fi
 
+
+AC_CACHE_CHECK(for S390 vector instruction support, libc_cv_asm_s390_vx, [dnl
+cat > conftest.c <<\EOF
+void testvecinsn ()
+{
+    __asm__ (".machine \"z13\" \n\t"
+	     ".machinemode \"zarch_nohighgprs\" \n\t"
+	     "vistrbs %%v16,%%v17 \n\t"
+	     "locghie %%r1,0" : :);
+}
+EOF
+dnl
+dnl test, if assembler supports S390 vector instructions
+if AC_TRY_COMMAND([${CC-cc} --shared conftest.c -o conftest.o &> /dev/null]) ;
+then
+  libc_cv_asm_s390_vx=yes
+else
+  libc_cv_asm_s390_vx=no
+fi
+rm -f conftest* ])
+
+if test "$libc_cv_asm_s390_vx" = yes ;
+then
+  AC_DEFINE(HAVE_S390_VX_ASM_SUPPORT)
+else
+  AC_MSG_WARN([Use binutils with vector-support in order to use optimized implementations.])
+fi
+
+
 test -n "$critic_missing" && AC_MSG_ERROR([
 *** $critic_missing])
diff --git a/sysdeps/s390/dl-procinfo.c b/sysdeps/s390/dl-procinfo.c
index 89f8ebe1f9..aef2ba5bd6 100644
--- a/sysdeps/s390/dl-procinfo.c
+++ b/sysdeps/s390/dl-procinfo.c
@@ -46,11 +46,11 @@
 #if !defined PROCINFO_DECL && defined SHARED
   ._dl_s390_cap_flags
 #else
-PROCINFO_CLASS const char _dl_s390_cap_flags[11][9]
+PROCINFO_CLASS const char _dl_s390_cap_flags[12][9]
 #endif
 #ifndef PROCINFO_DECL
 = {
-     "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", "edat", "etf3eh", "highgprs", "te"
+     "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", "edat", "etf3eh", "highgprs", "te", "vx"
   }
 #endif
 #if !defined SHARED || defined PROCINFO_DECL
@@ -62,11 +62,11 @@ PROCINFO_CLASS const char _dl_s390_cap_flags[11][9]
 #if !defined PROCINFO_DECL && defined SHARED
   ._dl_s390_platforms
 #else
-PROCINFO_CLASS const char _dl_s390_platforms[7][7]
+PROCINFO_CLASS const char _dl_s390_platforms[8][7]
 #endif
 #ifndef PROCINFO_DECL
 = {
-    "g5", "z900", "z990", "z9-109", "z10", "z196", "zEC12"
+    "g5", "z900", "z990", "z9-109", "z10", "z196", "zEC12", "z13"
   }
 #endif
 #if !defined SHARED || defined PROCINFO_DECL
diff --git a/sysdeps/s390/dl-procinfo.h b/sysdeps/s390/dl-procinfo.h
index 65322db6a4..9ba0f63bd6 100644
--- a/sysdeps/s390/dl-procinfo.h
+++ b/sysdeps/s390/dl-procinfo.h
@@ -21,9 +21,9 @@
 #define _DL_PROCINFO_H	1
 #include <ldsodefs.h>
 
-#define _DL_HWCAP_COUNT 10
+#define _DL_HWCAP_COUNT 12
 
-#define _DL_PLATFORMS_COUNT	5
+#define _DL_PLATFORMS_COUNT	8
 
 /* The kernel provides up to 32 capability bits with elf_hwcap.  */
 #define _DL_FIRST_PLATFORM	32
@@ -50,6 +50,7 @@ enum
   HWCAP_S390_ETF3EH = 1 << 8,
   HWCAP_S390_HIGH_GPRS = 1 << 9,
   HWCAP_S390_TE = 1 << 10,
+  HWCAP_S390_VX = 1 << 11,
 };
 
 #define HWCAP_IMPORTANT (HWCAP_S390_ZARCH | HWCAP_S390_LDISP \
diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h
index 527233ba54..45395926a6 100644
--- a/sysdeps/s390/s390-32/dl-machine.h
+++ b/sysdeps/s390/s390-32/dl-machine.h
@@ -89,6 +89,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 {
   extern void _dl_runtime_resolve (Elf32_Word);
   extern void _dl_runtime_profile (Elf32_Word);
+#if defined HAVE_S390_VX_ASM_SUPPORT
+  extern void _dl_runtime_resolve_vx (Elf32_Word);
+  extern void _dl_runtime_profile_vx (Elf32_Word);
+#endif
+
 
   if (l->l_info[DT_JMPREL] && lazy)
     {
@@ -116,7 +121,14 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 	 end in this function.  */
       if (__glibc_unlikely (profile))
 	{
+#if defined HAVE_S390_VX_ASM_SUPPORT
+	  if (GLRO(dl_hwcap) & HWCAP_S390_VX)
+	    got[2] = (Elf32_Addr) &_dl_runtime_profile_vx;
+	  else
+	    got[2] = (Elf32_Addr) &_dl_runtime_profile;
+#else
 	  got[2] = (Elf32_Addr) &_dl_runtime_profile;
+#endif
 
 	  if (GLRO(dl_profile) != NULL
 	      && _dl_name_match_p (GLRO(dl_profile), l))
@@ -125,9 +137,18 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 	    GL(dl_profile_map) = l;
 	}
       else
-	/* This function will get called to fix up the GOT entry indicated by
-	   the offset on the stack, and then jump to the resolved address.  */
-	got[2] = (Elf32_Addr) &_dl_runtime_resolve;
+	{
+	  /* This function will get called to fix up the GOT entry indicated by
+	     the offset on the stack, and then jump to the resolved address.  */
+#if defined HAVE_S390_VX_ASM_SUPPORT
+	  if (GLRO(dl_hwcap) & HWCAP_S390_VX)
+	    got[2] = (Elf32_Addr) &_dl_runtime_resolve_vx;
+	  else
+	    got[2] = (Elf32_Addr) &_dl_runtime_resolve;
+#else
+	  got[2] = (Elf32_Addr) &_dl_runtime_resolve;
+#endif
+	}
     }
 
   return lazy;
diff --git a/sysdeps/s390/s390-32/dl-trampoline.S b/sysdeps/s390/s390-32/dl-trampoline.S
index d3a8548259..85e73d900d 100644
--- a/sysdeps/s390/s390-32/dl-trampoline.S
+++ b/sysdeps/s390/s390-32/dl-trampoline.S
@@ -16,130 +16,18 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-/* This code is used in dl-runtime.c to call the `fixup' function
-   and then redirect to the address it returns.  */
-
-/* The PLT stubs will call _dl_runtime_resolve/_dl_runtime_profile
- * with the following linkage:
- *   r2 - r6 : parameter registers
- *   f0, f2 : floating point parameter registers
- *   24(r15), 28(r15) : PLT arguments PLT1, PLT2
- *   96(r15) : additional stack parameters
- * The normal clobber rules for function calls apply:
- *   r0 - r5 : call clobbered
- *   r6 - r13 :	 call saved
- *   r14 : return address (call clobbered)
- *   r15 : stack pointer (call saved)
- *   f4, f6 : call saved
- *   f0 - f3, f5, f7 - f15 : call clobbered
- */
-
 #include <sysdep.h>
 
 	.text
-	.globl _dl_runtime_resolve
-	.type _dl_runtime_resolve, @function
-	cfi_startproc
-	.align 16
-_dl_runtime_resolve:
-	stm    %r2,%r5,32(%r15)		# save registers
-	st     %r14,8(%r15)
-	cfi_offset (r14, -88)
-	lr     %r0,%r15			# create stack frame
-	ahi    %r15,-96
-	cfi_adjust_cfa_offset (96)
-	st     0,0(%r15)
-	lm     %r2,%r3,120(%r15)	# load args saved by PLT
-	basr   %r1,0
-0:	l      %r14,1f-0b(%r1)
-	bas    %r14,0(%r14,%r1)		# call resolver
-	lr     %r1,%r2			# function addr returned in r2
-	ahi    %r15,96			# remove stack frame
-	cfi_adjust_cfa_offset (-96)
-	l      %r14,8(15)		# restore registers
-	lm     %r2,%r5,32(%r15)
-	br     %r1
-1:	.long  _dl_fixup - 0b
-	cfi_endproc
-	.size _dl_runtime_resolve, .-_dl_runtime_resolve
-
-
-#ifndef PROF
-	.globl _dl_runtime_profile
-	.type _dl_runtime_profile, @function
-	cfi_startproc
-	.align 16
-_dl_runtime_profile:
-	stm    %r2,%r6,32(%r15)		# save registers
-	std    %f0,56(%r15)
-	std    %f2,64(%r15)
-	st     %r6,8(%r15)
-	st     %r12,12(%r15)
-	st     %r14,16(%r15)
-	cfi_offset (r6, -64)
-	cfi_offset (f0, -40)
-	cfi_offset (f2, -32)
-	cfi_offset (r12, -84)
-	cfi_offset (r14, -80)
-	lr     %r12,%r15		# create stack frame
-	cfi_def_cfa_register (12)
-	ahi    %r15,-96
-	st     %r12,0(%r15)
-	lm     %r2,%r3,24(%r12)		# load arguments saved by PLT
-	lr     %r4,%r14			# return address as third parameter
-	basr   %r1,0
-0:	l      %r14,6f-0b(%r1)
-	la     %r5,32(%r12)		# pointer to struct La_s390_32_regs
-	la     %r6,20(%r12)		# long int * framesize
-	bas    %r14,0(%r14,%r1)		# call resolver
-	lr     %r1,%r2			# function addr returned in r2
-	icm    %r0,15,20(%r12)		# load & test framesize
-	jnm    2f
-
-	lm     %r2,%r6,32(%r12)
-	ld     %f0,56(%r12)
-	ld     %f2,64(%r12)
-	lr     %r15,%r12		# remove stack frame
-	cfi_def_cfa_register (15)
-	l      %r14,16(%r15)		# restore registers
-	l      %r12,12(%r15)
-	br     %r1			# tail-call to the resolved function
-
-	cfi_def_cfa_register (12)
-2:	jz     4f			# framesize == 0 ?
-	ahi    %r0,7			# align framesize to 8
-	lhi    %r2,-8
-	nr     %r0,%r2
-	slr    %r15,%r0			# make room for framesize bytes
-	st     %r12,0(%r15)
-	la     %r2,96(%r15)
-	la     %r3,96(%r12)
-	srl    %r0,3
-3:	mvc    0(8,%r2),0(%r3)		# copy additional parameters
-	la     %r2,8(%r2)
-	la     %r3,8(%r3)
-	brct   %r0,3b
-4:	lm     %r2,%r6,32(%r12)		# load register parameters
-	ld     %f0,56(%r12)
-	ld     %f2,64(%r12)
-	basr   %r14,%r1			# call resolved function
-	stm    %r2,%r3,72(%r12)
-	std    %f0,80(%r12)
-	lm     %r2,%r3,24(%r12)		# load arguments saved by PLT
-	basr   %r1,0
-5:	l      %r14,7f-5b(%r1)
-	la     %r4,32(%r12)		# pointer to struct La_s390_32_regs
-	la     %r5,72(%r12)		# pointer to struct La_s390_32_retval
-	basr   %r14,%r1			# call _dl_call_pltexit
-
-	lr     %r15,%r12		# remove stack frame
-	cfi_def_cfa_register (15)
-	l      %r14,16(%r15)		# restore registers
-	l      %r12,12(%r15)
-	br     %r14
-
-6:	.long  _dl_profile_fixup - 0b
-7:	.long  _dl_call_pltexit - 5b
-	cfi_endproc
-	.size _dl_runtime_profile, .-_dl_runtime_profile
+/* Create variant of _dl_runtime_resolve/profile for machines before z13.
+   No vector registers are saved/restored.  */
+#include <dl-trampoline.h>
+
+#if defined HAVE_S390_VX_ASM_SUPPORT
+/* Create variant of _dl_runtime_resolve/profile for z13 and newer.
+   The vector registers are saved/restored, too.*/
+# define _dl_runtime_resolve _dl_runtime_resolve_vx
+# define _dl_runtime_profile _dl_runtime_profile_vx
+# define RESTORE_VRS
+# include <dl-trampoline.h>
 #endif
diff --git a/sysdeps/s390/s390-32/dl-trampoline.h b/sysdeps/s390/s390-32/dl-trampoline.h
new file mode 100644
index 0000000000..086449f0f2
--- /dev/null
+++ b/sysdeps/s390/s390-32/dl-trampoline.h
@@ -0,0 +1,231 @@
+/* PLT trampolines.  s390 version.
+   Copyright (C) 2016 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/>.  */
+
+/* This code is used in dl-runtime.c to call the `fixup' function
+   and then redirect to the address it returns.  */
+
+/* The PLT stubs will call _dl_runtime_resolve/_dl_runtime_profile
+ * with the following linkage:
+ *   r2 - r6 : parameter registers
+ *   f0, f2 : floating point parameter registers
+ *   v24, v26, v28, v30, v25, v27, v29, v31 : vector parameter registers
+ *   24(r15), 28(r15) : PLT arguments PLT1, PLT2
+ *   96(r15) : additional stack parameters
+ * The normal clobber rules for function calls apply:
+ *   r0 - r5 : call clobbered
+ *   r6 - r13 :	call saved
+ *   r14 : return address (call clobbered)
+ *   r15 : stack pointer (call saved)
+ *   f4, f6 : call saved
+ *   f0 - f3, f5, f7 - f15 : call clobbered
+ *   v0 - v3, v5, v7 - v15 : bytes 0-7 overlap with fprs: call clobbered
+               bytes 8-15: call clobbered
+ *   v4, v6 : bytes 0-7 overlap with f4, f6: call saved
+              bytes 8-15: call clobbered
+ *   v16 - v31 : call clobbered
+ */
+
+
+	.globl _dl_runtime_resolve
+	.type _dl_runtime_resolve, @function
+	cfi_startproc
+	.align 16
+_dl_runtime_resolve:
+	stm    %r2,%r5,32(%r15)		# save registers
+	cfi_offset (r2, -64)
+	cfi_offset (r3, -60)
+	cfi_offset (r4, -56)
+	cfi_offset (r5, -52)
+	std    %f0,56(%r15)
+	cfi_offset (f0, -40)
+	std    %f2,64(%r15)
+	cfi_offset (f2, -32)
+	st     %r14,8(%r15)
+	cfi_offset (r14, -88)
+	lr     %r0,%r15
+	lm     %r2,%r3,24(%r15)		# load args saved by PLT
+#ifdef RESTORE_VRS
+	ahi    %r15,-224		# create stack frame
+	cfi_adjust_cfa_offset (224)
+	.machine push
+	.machine "z13"
+	.machinemode "zarch_nohighgprs"
+	vstm   %v24,%v31,96(%r15)	# store call-clobbered vr arguments
+	cfi_offset (v24, -224)
+	cfi_offset (v25, -208)
+	cfi_offset (v26, -192)
+	cfi_offset (v27, -176)
+	cfi_offset (v28, -160)
+	cfi_offset (v29, -144)
+	cfi_offset (v30, -128)
+	cfi_offset (v31, -112)
+	.machine pop
+#else
+	ahi    %r15,-96			# create stack frame
+	cfi_adjust_cfa_offset (96)
+#endif
+	st     %r0,0(%r15)		# write backchain
+	basr   %r1,0
+0:	l      %r14,1f-0b(%r1)
+	bas    %r14,0(%r14,%r1)		# call _dl_fixup
+	lr     %r1,%r2			# function addr returned in r2
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	.machinemode "zarch_nohighgprs"
+	vlm    %v24,%v31,96(%r15)	# restore vector registers
+	.machine pop
+	ahi   %r15,224			# remove stack frame
+	cfi_adjust_cfa_offset (-224)
+#else
+	ahi    %r15,96			# remove stack frame
+	cfi_adjust_cfa_offset (-96)
+#endif
+	l      %r14,8(15)		# restore registers
+	ld     %f0,56(%r15)
+	ld     %f2,64(%r15)
+	lm     %r2,%r5,32(%r15)
+	br     %r1
+1:	.long  _dl_fixup - 0b
+	cfi_endproc
+	.size _dl_runtime_resolve, .-_dl_runtime_resolve
+
+
+#ifndef PROF
+	.globl _dl_runtime_profile
+	.type _dl_runtime_profile, @function
+	cfi_startproc
+	.align 16
+_dl_runtime_profile:
+	st     %r12,12(%r15)		# r12 is used as backup of r15
+	cfi_offset (r12, -84)
+	st     %r14,16(%r15)
+	cfi_offset (r14, -80)
+	lr     %r12,%r15		# backup stack pointer
+	cfi_def_cfa_register (12)
+	ahi    %r15,-264		# create stack frame:
+					# 96 + sizeof(La_s390_32_regs)
+	st     %r12,0(%r15)		# save backchain
+
+	stm    %r2,%r6,96(%r15)		# save registers
+	cfi_offset (r2, -264)		# + r6 needed as arg for
+	cfi_offset (r3, -260)		#  _dl_profile_fixup
+	cfi_offset (r4, -256)
+	cfi_offset (r5, -252)
+	cfi_offset (r6, -248)
+	std    %f0,120(%r15)
+	cfi_offset (f0, -240)
+	std    %f2,128(%r15)
+	cfi_offset (f2, -232)
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	.machinemode "zarch_nohighgprs"
+	vstm   %v24,%v31,136(%r15)	# store call-clobbered vr arguments
+	cfi_offset (v24, -224)
+	cfi_offset (v25, -208)
+	cfi_offset (v26, -192)
+	cfi_offset (v27, -176)
+	cfi_offset (v28, -160)
+	cfi_offset (v29, -144)
+	cfi_offset (v30, -128)
+	cfi_offset (v31, -112)
+	.machine pop
+#endif
+
+	lm     %r2,%r3,24(%r12)		# load arguments saved by PLT
+	lr     %r4,%r14			# return address as third parameter
+	basr   %r1,0
+0:	l      %r14,6f-0b(%r1)
+	la     %r5,96(%r15)		# pointer to struct La_s390_32_regs
+	la     %r6,20(%r12)		# long int * framesize
+	bas    %r14,0(%r14,%r1)		# call resolver
+	lr     %r1,%r2			# function addr returned in r2
+	ld     %f0,120(%r15)		# restore call-clobbered arg fprs
+	ld     %f2,128(%r15)
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	.machinemode "zarch_nohighgprs"
+	vlm    %v24,%v31,136(%r15)	# restore call-clobbered arg vrs
+	.machine pop
+#endif
+	icm    %r0,15,20(%r12)		# load & test framesize
+	jnm    2f
+
+	lm     %r2,%r6,96(%r15)		# framesize < 0 means no pltexit call
+					# so we can do a tail call without
+					# copying the arg overflow area
+	lr     %r15,%r12		# remove stack frame
+	cfi_def_cfa_register (15)
+	l      %r14,16(%r15)		# restore registers
+	l      %r12,12(%r15)
+	br     %r1			# tail-call to the resolved function
+
+	cfi_def_cfa_register (12)
+2:	la     %r4,96(%r15)		# pointer to struct La_s390_32_regs
+	st     %r4,32(%r12)
+	jz     4f			# framesize == 0 ?
+	ahi    %r0,7			# align framesize to 8
+	lhi    %r2,-8
+	nr     %r0,%r2
+	slr    %r15,%r0			# make room for framesize bytes
+	st     %r12,0(%r15)		# save backchain
+	la     %r2,96(%r15)
+	la     %r3,96(%r12)
+	srl    %r0,3
+3:	mvc    0(8,%r2),0(%r3)		# copy additional parameters
+	la     %r2,8(%r2)
+	la     %r3,8(%r3)
+	brct   %r0,3b
+4:	lm     %r2,%r6,0(%r4)		# load register parameters
+	basr   %r14,%r1			# call resolved function
+	stm    %r2,%r3,40(%r12)		# store return values r2, r3, f0
+	std    %f0,48(%r12)		# to struct La_s390_32_retval
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	vst    %v24,56(%r12)		# store return value v24
+	.machine pop
+#endif
+	lm     %r2,%r4,24(%r12)		# r2, r3: load arguments saved by PLT
+					# r4: pointer to struct La_s390_32_regs
+	basr   %r1,0
+5:	l      %r14,7f-5b(%r1)
+	la     %r5,40(%r12)		# pointer to struct La_s390_32_retval
+	bas    %r14,0(%r14,%r1)		# call _dl_call_pltexit
+
+	lr     %r15,%r12		# remove stack frame
+	cfi_def_cfa_register (15)
+	l      %r14,16(%r15)		# restore registers
+	l      %r12,12(%r15)
+	lm     %r2,%r3,40(%r15)		# restore return values
+	ld     %f0,48(%r15)
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	vl    %v24,56(%r15)		# restore return value v24
+	.machine pop
+#endif
+	br     %r14
+
+6:	.long  _dl_profile_fixup - 0b
+7:	.long  _dl_call_pltexit - 5b
+	cfi_endproc
+	.size _dl_runtime_profile, .-_dl_runtime_profile
+#endif
diff --git a/sysdeps/s390/s390-64/dl-machine.h b/sysdeps/s390/s390-64/dl-machine.h
index e48d355daa..c65c850384 100644
--- a/sysdeps/s390/s390-64/dl-machine.h
+++ b/sysdeps/s390/s390-64/dl-machine.h
@@ -26,6 +26,7 @@
 #include <sys/param.h>
 #include <string.h>
 #include <link.h>
+#include <sysdeps/s390/dl-procinfo.h>
 #include <dl-irel.h>
 
 #define ELF_MACHINE_IRELATIVE       R_390_IRELATIVE
@@ -78,6 +79,10 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 {
   extern void _dl_runtime_resolve (Elf64_Word);
   extern void _dl_runtime_profile (Elf64_Word);
+#if defined HAVE_S390_VX_ASM_SUPPORT
+  extern void _dl_runtime_resolve_vx (Elf64_Word);
+  extern void _dl_runtime_profile_vx (Elf64_Word);
+#endif
 
   if (l->l_info[DT_JMPREL] && lazy)
     {
@@ -105,7 +110,14 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 	 end in this function.	*/
       if (__glibc_unlikely (profile))
 	{
+#if defined HAVE_S390_VX_ASM_SUPPORT
+	  if (GLRO(dl_hwcap) & HWCAP_S390_VX)
+	    got[2] = (Elf64_Addr) &_dl_runtime_profile_vx;
+	  else
+	    got[2] = (Elf64_Addr) &_dl_runtime_profile;
+#else
 	  got[2] = (Elf64_Addr) &_dl_runtime_profile;
+#endif
 
 	  if (GLRO(dl_profile) != NULL
 	      && _dl_name_match_p (GLRO(dl_profile), l))
@@ -114,9 +126,18 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 	    GL(dl_profile_map) = l;
 	}
       else
-	/* This function will get called to fix up the GOT entry indicated by
-	   the offset on the stack, and then jump to the resolved address.  */
-	got[2] = (Elf64_Addr) &_dl_runtime_resolve;
+	{
+	  /* This function will get called to fix up the GOT entry indicated by
+	     the offset on the stack, and then jump to the resolved address.  */
+#if defined HAVE_S390_VX_ASM_SUPPORT
+	  if (GLRO(dl_hwcap) & HWCAP_S390_VX)
+	    got[2] = (Elf64_Addr) &_dl_runtime_resolve_vx;
+	  else
+	    got[2] = (Elf64_Addr) &_dl_runtime_resolve;
+#else
+	  got[2] = (Elf64_Addr) &_dl_runtime_resolve;
+#endif
+	}
     }
 
   return lazy;
diff --git a/sysdeps/s390/s390-64/dl-trampoline.S b/sysdeps/s390/s390-64/dl-trampoline.S
index 87c6d50ced..f089266aca 100644
--- a/sysdeps/s390/s390-64/dl-trampoline.S
+++ b/sysdeps/s390/s390-64/dl-trampoline.S
@@ -16,126 +16,18 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-/* The PLT stubs will call _dl_runtime_resolve/_dl_runtime_profile
- * with the following linkage:
- *   r2 - r6 : parameter registers
- *   f0, f2, f4, f6 : floating point parameter registers
- *   48(r15), 56(r15) : PLT arguments PLT1, PLT2
- *   160(r15) : additional stack parameters
- * The normal clobber rules for function calls apply:
- *   r0 - r5 : call clobbered
- *   r6 - r13 :	 call saved
- *   r14 : return address (call clobbered)
- *   r15 : stack pointer (call saved)
- *   f1, f3, f5, f7 : call saved
- *   f0 - f3, f5, f7 - f15 : call clobbered
- */
-
 #include <sysdep.h>
 
 	.text
-	.globl _dl_runtime_resolve
-	.type _dl_runtime_resolve, @function
-	cfi_startproc
-	.align 16
-_dl_runtime_resolve:
-	stmg   %r2,%r5,64(15)	# save call-clobbered argument registers
-	stg    %r14,96(15)
-	cfi_offset (r14, -64)
-	lgr    %r0,%r15
-	aghi   %r15,-160	# create stack frame
-	cfi_adjust_cfa_offset (160)
-	stg    %r0,0(%r15)      # write backchain
-	lmg    %r2,%r3,208(%r15)# load args saved by PLT
-	brasl  %r14,_dl_fixup	# call fixup
-	lgr    %r1,%r2		# function addr returned in r2
-	aghi   %r15,160		# remove stack frame
-	cfi_adjust_cfa_offset (-160)
-	lg     %r14,96(15)	# restore registers
-	lmg    %r2,%r5,64(15)
-	br     %r1
-	cfi_endproc
-	.size _dl_runtime_resolve, .-_dl_runtime_resolve
-
-
-#ifndef PROF
-	.globl _dl_runtime_profile
-	.type _dl_runtime_profile, @function
-	cfi_startproc
-	.align 16
-_dl_runtime_profile:
-	stmg   %r2,%r6,64(%r15)		# save call-clobbered arg regs
-	std    %f0,104(%r15)		# + r6 needed as arg for
-	std    %f2,112(%r15)		#  _dl_profile_fixup
-	std    %f4,120(%r15)
-	std    %f6,128(%r15)
-	stg    %r12,24(%r15)		# r12 is used as backup of r15
-	stg    %r14,32(%r15)
-	cfi_offset (r6, -96)
-	cfi_offset (f0, -56)
-	cfi_offset (f2, -48)
-	cfi_offset (f4, -40)
-	cfi_offset (f6, -32)
-	cfi_offset (r12, -136)
-	cfi_offset (r14, -128)
-	lgr    %r12,%r15		# backup stack pointer
-	cfi_def_cfa_register (12)
-	aghi   %r15,-160		# create stack frame
-	stg    %r12,0(%r15)		# save backchain
-	lmg    %r2,%r3,48(%r12)		# load arguments saved by PLT
-	lgr    %r4,%r14			# return address as third parameter
-	la     %r5,64(%r12)		# pointer to struct La_s390_32_regs
-	la     %r6,40(%r12)		# long int * framesize
-	brasl  %r14,_dl_profile_fixup	# call resolver
-	lgr    %r1,%r2			# function addr returned in r2
-	lg     %r0,40(%r12)		# load framesize
-	ltgr   %r0,%r0
-	jnm    1f
-
-	lmg    %r2,%r6,64(%r12)		# framesize < 0 means no pltexit call
-	ld     %f0,104(%r12)		# so we can do a tail call without
-	ld     %f2,112(%r12)		# copying the arg overflow area
-	ld     %f4,120(%r12)
-	ld     %f6,128(%r12)
-
-	lgr    %r15,%r12		# remove stack frame
-	cfi_def_cfa_register (15)
-	lg     %r14,32(%r15)		# restore registers
-	lg     %r12,24(%r15)
-	br     %r1			# tail-call to resolved function
-
-	cfi_def_cfa_register (12)
-1:	jz     4f			# framesize == 0 ?
-	aghi   %r0,7			# align framesize to 8
-	nill   %r0,0xfff8
-	slgr   %r15,%r0			# make room for framesize bytes
-	stg    %r12,0(%r15)
-	la     %r2,160(%r15)
-	la     %r3,160(%r12)
-	srlg   %r0,%r0,3
-3:	mvc    0(8,%r2),0(%r3)		# copy additional parameters
-	la     %r2,8(%r2)
-	la     %r3,8(%r3)
-	brctg  %r0,3b
-4:	lmg    %r2,%r6,64(%r12)		# load register parameters
-	ld     %f0,104(%r12)            # restore call-clobbered arg regs
-	ld     %f2,112(%r12)
-	ld     %f4,120(%r12)
-	ld     %f6,128(%r12)
-	basr   %r14,%r1			# call resolved function
-	stg    %r2,136(%r12)
-	std    %f0,144(%r12)
-	lmg    %r2,%r3,48(%r12)		# load arguments saved by PLT
-	la     %r4,32(%r12)		# pointer to struct La_s390_32_regs
-	la     %r5,72(%r12)		# pointer to struct La_s390_32_retval
-	brasl  %r14,_dl_call_pltexit
-
-	lgr    %r15,%r12		# remove stack frame
-	cfi_def_cfa_register (15)
-	lg     %r14,32(%r15)		# restore registers
-	lg     %r12,24(%r15)
-	br     %r14
-
-	cfi_endproc
-	.size _dl_runtime_profile, .-_dl_runtime_profile
+/* Create variant of _dl_runtime_resolve/profile for machines before z13.
+   No vector registers are saved/restored.  */
+#include <dl-trampoline.h>
+
+#if defined HAVE_S390_VX_ASM_SUPPORT
+/* Create variant of _dl_runtime_resolve/profile for z13 and newer.
+   The vector registers are saved/restored, too.*/
+# define _dl_runtime_resolve _dl_runtime_resolve_vx
+# define _dl_runtime_profile _dl_runtime_profile_vx
+# define RESTORE_VRS
+# include <dl-trampoline.h>
 #endif
diff --git a/sysdeps/s390/s390-64/dl-trampoline.h b/sysdeps/s390/s390-64/dl-trampoline.h
new file mode 100644
index 0000000000..33ea3de9f1
--- /dev/null
+++ b/sysdeps/s390/s390-64/dl-trampoline.h
@@ -0,0 +1,225 @@
+/* PLT trampolines.  s390x version.
+   Copyright (C) 2016 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/>.  */
+
+/* The PLT stubs will call _dl_runtime_resolve/_dl_runtime_profile
+ * with the following linkage:
+ *   r2 - r6 : parameter registers
+ *   f0, f2, f4, f6 : floating point parameter registers
+ *   v24, v26, v28, v30, v25, v27, v29, v31 : vector parameter registers
+ *   48(r15), 56(r15) : PLT arguments PLT1, PLT2
+ *   160(r15) : additional stack parameters
+ * The normal clobber rules for function calls apply:
+ *   r0 - r5 : call clobbered
+ *   r6 - r13 :	 call saved
+ *   r14 : return address (call clobbered)
+ *   r15 : stack pointer (call saved)
+ *   f0 - f7 : call clobbered
+ *   f8 - f15 : call saved
+ *   v0 - v7 : bytes 0-7 overlap with f0-f7: call clobbered
+               bytes 8-15: call clobbered
+ *   v8 - v15 : bytes 0-7 overlap with f8-f15: call saved
+                bytes 8-15: call clobbered
+ *   v16 - v31 : call clobbered
+ */
+
+	.globl _dl_runtime_resolve
+	.type _dl_runtime_resolve, @function
+	cfi_startproc
+	.align 16
+_dl_runtime_resolve:
+	stmg   %r2,%r5,64(%r15)	# save call-clobbered argument registers
+	cfi_offset (r2, -96)
+	cfi_offset (r3, -88)
+	cfi_offset (r4, -80)
+	cfi_offset (r5, -72)
+	std    %f0,104(%r15)
+	cfi_offset (f0, -56)
+	std    %f2,112(%r15)
+	cfi_offset (f2, -48)
+	std    %f4,120(%r15)
+	cfi_offset (f4, -40)
+	std    %f6,128(%r15)
+	cfi_offset (f6, -32)
+	stg    %r14,96(15)
+	cfi_offset (r14, -64)
+	lmg    %r2,%r3,48(%r15) # load args for fixup saved by PLT
+	lgr    %r0,%r15
+#ifdef RESTORE_VRS
+	aghi   %r15,-288        # create stack frame
+	cfi_adjust_cfa_offset (288)
+	.machine push
+	.machine "z13"
+	vstm   %v24,%v31,160(%r15)# store call-clobbered vector argument registers
+	cfi_offset (v24, -288)
+	cfi_offset (v25, -272)
+	cfi_offset (v26, -256)
+	cfi_offset (v27, -240)
+	cfi_offset (v28, -224)
+	cfi_offset (v29, -208)
+	cfi_offset (v30, -192)
+	cfi_offset (v31, -176)
+	.machine pop
+#else
+	aghi   %r15,-160        # create stack frame
+	cfi_adjust_cfa_offset (160)
+#endif
+	stg    %r0,0(%r15)      # write backchain
+	brasl  %r14,_dl_fixup	# call _dl_fixup
+	lgr    %r1,%r2		# function addr returned in r2
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	vlm    %v24,%v31,160(%r15)# restore vector registers
+	.machine pop
+	aghi   %r15,288         # remove stack frame
+	cfi_adjust_cfa_offset (-288)
+#else
+	aghi   %r15,160         # remove stack frame
+	cfi_adjust_cfa_offset (-160)
+#endif
+	lg     %r14,96(%r15)	# restore registers
+	ld     %f0,104(%r15)
+	ld     %f2,112(%r15)
+	ld     %f4,120(%r15)
+	ld     %f6,128(%r15)
+	lmg    %r2,%r5,64(%r15)
+	br     %r1
+	cfi_endproc
+	.size _dl_runtime_resolve, .-_dl_runtime_resolve
+
+
+#ifndef PROF
+	.globl _dl_runtime_profile
+	.type _dl_runtime_profile, @function
+	cfi_startproc
+	.align 16
+_dl_runtime_profile:
+	stg    %r12,24(%r15)		# r12 is used as backup of r15
+	cfi_offset (r12, -136)
+	stg    %r14,32(%r15)
+	cfi_offset (r14, -128)
+	lgr    %r12,%r15		# backup stack pointer
+	cfi_def_cfa_register (12)
+	aghi   %r15,-360		# create stack frame:
+					# 160 + sizeof(La_s390_64_regs)
+	stg    %r12,0(%r15)		# save backchain
+
+	stmg   %r2,%r6,160(%r15)	# save call-clobbered arg regs
+	cfi_offset (r2, -360)		# + r6 needed as arg for
+	cfi_offset (r3, -352)		#  _dl_profile_fixup
+	cfi_offset (r4, -344)
+	cfi_offset (r5, -336)
+	cfi_offset (r6, -328)
+	std    %f0,200(%r15)
+	cfi_offset (f0, -320)
+	std    %f2,208(%r15)
+	cfi_offset (f2, -312)
+	std    %f4,216(%r15)
+	cfi_offset (f4, -304)
+	std    %f6,224(%r15)
+	cfi_offset (f6, -296)
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	vstm   %v24,%v31,232(%r15)      # store call-clobbered vector arguments
+	cfi_offset (v24, -288)
+	cfi_offset (v25, -272)
+	cfi_offset (v26, -256)
+	cfi_offset (v27, -240)
+	cfi_offset (v28, -224)
+	cfi_offset (v29, -208)
+	cfi_offset (v30, -192)
+	cfi_offset (v31, -176)
+	.machine pop
+#endif
+	lmg    %r2,%r3,48(%r12)		# load arguments saved by PLT
+	lgr    %r4,%r14			# return address as third parameter
+	la     %r5,160(%r15)		# pointer to struct La_s390_64_regs
+	la     %r6,40(%r12)		# long int * framesize
+	brasl  %r14,_dl_profile_fixup	# call resolver
+	lgr    %r1,%r2			# function addr returned in r2
+	ld     %f0,200(%r15)		# restore call-clobbered arg fprs
+	ld     %f2,208(%r15)
+	ld     %f4,216(%r15)
+	ld     %f6,224(%r15)
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	vlm    %v24,%v31,232(%r15)	# restore call-clobbered arg vrs
+	.machine pop
+#endif
+	lg     %r0,40(%r12)		# load framesize
+	ltgr   %r0,%r0
+	jnm    1f
+
+	lmg    %r2,%r6,160(%r15)	# framesize < 0 means no pltexit call
+					# so we can do a tail call without
+					# copying the arg overflow area
+	lgr    %r15,%r12		# remove stack frame
+	cfi_def_cfa_register (15)
+	lg     %r14,32(%r15)		# restore registers
+	lg     %r12,24(%r15)
+	br     %r1			# tail-call to resolved function
+
+	cfi_def_cfa_register (12)
+1:	la     %r4,160(%r15)		# pointer to struct La_s390_64_regs
+	stg    %r4,64(%r12)
+	jz     4f			# framesize == 0 ?
+	aghi   %r0,7			# align framesize to 8
+	nill   %r0,0xfff8
+	slgr   %r15,%r0			# make room for framesize bytes
+	stg    %r12,0(%r15)		# save backchain
+	la     %r2,160(%r15)
+	la     %r3,160(%r12)
+	srlg   %r0,%r0,3
+3:	mvc    0(8,%r2),0(%r3)		# copy additional parameters
+	la     %r2,8(%r2)		# depending on framesize
+	la     %r3,8(%r3)
+	brctg  %r0,3b
+4:	lmg    %r2,%r6,0(%r4)		# restore call-clobbered arg gprs
+	basr   %r14,%r1			# call resolved function
+	stg    %r2,72(%r12)		# store return values r2, f0
+	std    %f0,80(%r12)		# to struct La_s390_64_retval
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	vst    %v24,88(%r12)		# store return value v24
+	.machine pop
+#endif
+	lmg    %r2,%r4,48(%r12)		# r2, r3: load arguments saved by PLT
+					# r4: pointer to struct La_s390_64_regs
+	la     %r5,72(%r12)		# pointer to struct La_s390_64_retval
+	brasl  %r14,_dl_call_pltexit
+
+	lgr    %r15,%r12		# remove stack frame
+	cfi_def_cfa_register (15)
+	lg     %r14,32(%r15)		# restore registers
+	lg     %r12,24(%r15)
+	lg     %r2,72(%r15)		# restore return values
+	ld     %f0,80(%r15)
+#ifdef RESTORE_VRS
+	.machine push
+	.machine "z13"
+	vl    %v24,88(%r15)		# restore return value v24
+	.machine pop
+#endif
+	br     %r14			# Jump back to caller
+
+	cfi_endproc
+	.size _dl_runtime_profile, .-_dl_runtime_profile
+#endif