diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 07c6f0a..219345b 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -1337,6 +1337,7 @@ OBJS = \
 	mcf.o \
 	mode-switching.o \
 	modulo-sched.o \
+	multiple_target.o \
 	omega.o \
 	omp-low.o \
 	optabs.o \
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index 7fe7fa6..8ca0710 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -390,6 +390,7 @@ static tree handle_alloc_size_attribute (tree *, tree, tree, int, bool *);
 static tree handle_alloc_align_attribute (tree *, tree, tree, int, bool *);
 static tree handle_assume_aligned_attribute (tree *, tree, tree, int, bool *);
 static tree handle_target_attribute (tree *, tree, tree, int, bool *);
+static tree handle_ctarget_attribute (tree *, tree, tree, int, bool *);
 static tree handle_optimize_attribute (tree *, tree, tree, int, bool *);
 static tree ignore_attribute (tree *, tree, tree, int, bool *);
 static tree handle_no_split_stack_attribute (tree *, tree, tree, int, bool *);
@@ -789,6 +790,8 @@ const struct attribute_spec c_common_attribute_table[] =
 			      handle_error_attribute, false },
   { "target",                 1, -1, true, false, false,
 			      handle_target_attribute, false },
+  { "ctarget",                 1, -1, true, false, false,
+			      handle_ctarget_attribute, false },
   { "optimize",               1, -1, true, false, false,
 			      handle_optimize_attribute, false },
   /* For internal use only.  The leading '*' both prevents its usage in
@@ -6898,6 +6901,12 @@ handle_always_inline_attribute (tree *node, tree name,
 		   "with %qs attribute", name, "noinline");
 	  *no_add_attrs = true;
 	}
+      else if (lookup_attribute ("ctarget", DECL_ATTRIBUTES (*node)))
+	{
+	  warning (OPT_Wattributes,
+		   "%qE attribute ignored as it conflict with ctarget", name);
+	  *no_add_attrs = true;
+	}
       else
 	/* Set the attribute and mark it for disregarding inline
 	   limits.  */
@@ -9299,6 +9308,12 @@ handle_target_attribute (tree *node, tree name, tree args, int flags,
       warning (OPT_Wattributes, "%qE attribute ignored", name);
       *no_add_attrs = true;
     }
+  else if (lookup_attribute ("ctarget", DECL_ATTRIBUTES (*node)))
+    {
+      warning (OPT_Wattributes,
+	       "%qE attribute ignored as it conflict with ctarget", name);
+      *no_add_attrs = true;
+    }
   else if (! targetm.target_option.valid_attribute_p (*node, name, args,
 						      flags))
     *no_add_attrs = true;
@@ -9306,6 +9321,39 @@ handle_target_attribute (tree *node, tree name, tree args, int flags,
   return NULL_TREE;
 }
 
+/* Handle a "ctarget" attribute.  */
+
+static tree
+handle_ctarget_attribute (tree *node, tree name, tree ARG_UNUSED (args),
+			  int ARG_UNUSED (flags), bool *no_add_attrs)
+{
+  /* Ensure we have a function type.  */
+  if (TREE_CODE (*node) == FUNCTION_DECL)
+    {
+      if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (*node)))
+	{
+	  warning (OPT_Wattributes,
+		   "%qE attribute ignored as it assumes noinline", name);
+	  *no_add_attrs = true;
+	}
+      else if (lookup_attribute ("target", DECL_ATTRIBUTES (*node)))
+	{
+	  warning (OPT_Wattributes,
+		   "%qE attribute ignored as it conflict with target", name);
+	  *no_add_attrs = true;
+	}
+      else
+      /* Do not inline functions with multiple clone targets.  */
+	DECL_UNINLINABLE (*node) = 1;
+    }
+  else
+    {
+      warning (OPT_Wattributes, "%qE attribute ignored", name);
+      *no_add_attrs = true;
+    }
+  return NULL_TREE;
+}
+
 /* Arguments being collected for optimization.  */
 typedef const char *const_char_p;		/* For DEF_VEC_P.  */
 static GTY(()) vec<const_char_p, va_gc> *optimize_args;
diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c
new file mode 100644
index 0000000..fe8ee18
--- /dev/null
+++ b/gcc/multiple_target.c
@@ -0,0 +1,359 @@
+/* Pass for parsing functions with multiple target attributes.
+
+   Contributed by Evgeny Stupachenko <evstupac@gmail.com>
+
+   Copyright (C) 2015 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "hash-set.h"
+#include "machmode.h"
+#include "vec.h"
+#include "double-int.h"
+#include "input.h"
+#include "alias.h"
+#include "symtab.h"
+#include "wide-int.h"
+#include "inchash.h"
+#include "tree.h"
+#include "fold-const.h"
+#include "stringpool.h"
+#include "stor-layout.h"
+#include "rtl.h"
+#include "predict.h"
+#include "hard-reg-set.h"
+#include "function.h"
+#include "dominance.h"
+#include "cfg.h"
+#include "cfganal.h"
+#include "basic-block.h"
+#include "tree-ssa-alias.h"
+#include "gimple-expr.h"
+#include "gimple.h"
+#include "tree-iterator.h"
+#include "diagnostic-core.h"
+#include "gimple-ssa.h"
+#include "hash-map.h"
+#include "plugin-api.h"
+#include "ipa-ref.h"
+#include "cgraph.h"
+#include "tree-cfg.h"
+#include "tree-phinodes.h"
+#include "calls.h"
+#include "stmt.h"
+#include "tree-pass.h"
+#include "target.h"
+#include "pretty-print.h"
+
+/* Makes a function attribute of the form NAME(ARG_NAME) and chains
+   it to CHAIN.  */
+
+static tree
+make_attribute (const char *name, const char *arg_name, tree chain)
+{
+  tree attr_name;
+  tree attr_arg_name;
+  tree attr_args;
+  tree attr;
+
+  attr_name = get_identifier (name);
+  attr_arg_name = build_string (strlen (arg_name), arg_name);
+  attr_args = tree_cons (NULL_TREE, attr_arg_name, NULL_TREE);
+  attr = tree_cons (attr_name, attr_args, chain);
+  return attr;
+}
+
+/* If the call to NODE has multiple ctarget attribute with multiple fields,
+   replace it with dispatcher call and create dispatcher (once).  */
+
+static void
+create_dispatcher_calls (struct cgraph_node *node)
+{
+  cgraph_edge *e;
+  cgraph_edge *e_next;
+  tree decl = node->decl;
+
+  /* Checking if call of function is call of versioned function.  */
+  if (!decl
+      || TREE_CODE (decl) != FUNCTION_DECL
+      || !DECL_FUNCTION_VERSIONED (decl))
+    return;
+
+  for (e = node->callers; e ;e = (e == NULL) ? e_next : e->next_caller)
+    {
+      tree resolver_decl;
+      tree idecl;
+      gimple call = e->call_stmt;
+      struct cgraph_node *inode;
+
+      e_next = e->next_caller;
+      idecl = targetm.get_function_versions_dispatcher (decl);
+      if (!idecl)
+	{
+	  error_at (gimple_location (call),
+		    "default ctarget attribute was not set");
+	}
+      inode = cgraph_node::get (idecl);
+      gcc_assert (inode);
+      resolver_decl = targetm.generate_version_dispatcher_body (inode);
+
+      /* Update aliases.  */
+      inode->alias = true;
+      inode->alias_target = resolver_decl;
+      if (!inode->analyzed)
+	inode->resolve_alias (cgraph_node::get (resolver_decl));
+      e->redirect_callee (inode);
+      gimple_call_set_fndecl (call, idecl);
+      /*  Force to move to next edge caller.  */
+      e = NULL;
+    }
+}
+
+/* If the NODE has multiple ctarget attribute with multiple fields,
+   create the appropriate clone for each field.  */
+
+static bool
+expand_target_clones (struct cgraph_node *node)
+{
+  tree id;
+  /* Parsing ctarget attributes separated by comma.  */
+  tree attr_target = lookup_attribute ("ctarget",
+				       DECL_ATTRIBUTES (node->decl));
+  /* No ctargets specified.  */
+  if (!attr_target)
+    return false;
+
+  tree arg;
+  tree arglist = TREE_VALUE (attr_target);
+  size_t str_len_sum = 0;
+  char **args = NULL;
+  char *attr_str;
+  char *attr = NULL;
+  int argnum = 1;
+  int i;
+
+  for (arg = arglist; arg; arg = TREE_CHAIN (arg))
+    {
+      unsigned int i;
+      const char *str = TREE_STRING_POINTER (TREE_VALUE (arg));
+      size_t len = strlen (str);
+      str_len_sum += len + 1;
+      if (arg != arglist)
+	argnum++;
+      for (i = 0; i < strlen (str); i++)
+	if (str[i] == ',')
+	  argnum++;
+    }
+
+  /* No need to clone for 1 ctarget attribute.  */
+  if (argnum == 1)
+    {
+      warning_at (DECL_SOURCE_LOCATION (node->decl),
+		  0,
+		  "single ctarget attribute is ignored");
+      return false;
+    }
+
+  attr_str = XNEWVEC (char, str_len_sum);
+  str_len_sum = 0;
+  for (arg = arglist; arg; arg = TREE_CHAIN (arg))
+    {
+      const char *str = TREE_STRING_POINTER (TREE_VALUE (arg));
+      size_t len = strlen (str);
+      memcpy (attr_str + str_len_sum, str, len);
+      attr_str[str_len_sum + len] = TREE_CHAIN (arg) ? ',' : '\0';
+      str_len_sum += len + 1;
+    }
+
+  args = XNEWVEC (char *, argnum);
+  bool has_default = false;
+  attr = strtok (attr_str, ",");
+  i = 0;
+  while (attr != NULL)
+    {
+      if (strcmp (attr, "default") == 0)
+	{
+	  has_default = true;
+	  attr = strtok (NULL, ",");
+	  continue;
+	}
+      args[i] = attr;
+      attr = strtok (NULL, ",");
+      i++;
+    }
+
+  int args_num = i;
+
+  const char *old_asm_name;
+  old_asm_name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (node->decl));
+
+  cgraph_function_version_info *decl1_v = NULL;
+  cgraph_function_version_info *decl2_v = NULL;
+  cgraph_function_version_info *before = NULL;
+  cgraph_function_version_info *after = NULL;
+  tree attributes = NULL;
+  if (!has_default)
+    error_at (DECL_SOURCE_LOCATION (node->decl),
+	      "default ctarget was not set");
+  attributes = make_attribute ("target", "default", NULL);
+  DECL_ATTRIBUTES (node->decl) = attributes;
+  targetm.target_option.valid_attribute_p (node->decl, NULL,
+					   TREE_VALUE (attributes), 0);
+  decl1_v = node->function_version ();
+  if (decl1_v == NULL)
+    decl1_v = node->insert_new_function_version ();
+  before = decl1_v;
+  DECL_FUNCTION_VERSIONED (node->decl) = 1;
+
+  /* Setting new attribute to initial function.  */
+
+  for (i = 0; i < args_num; i++)
+    {
+      pretty_printer pp;
+      attr = args[i];
+      cgraph_node *new_node;
+      unsigned int j;
+
+      if (node->definition)
+	{
+	  if (!node->has_gimple_body_p ())
+	    return false;
+	  node->get_body ();
+
+	  /* Replacing initial function with clone only for 1st ctarget.  */
+	  new_node = node->create_version_clone_with_body (vNULL, NULL,
+							   NULL, false,
+							   NULL, NULL,
+							   "target_clone");
+	  new_node->externally_visible = node->externally_visible;
+	  new_node->address_taken = node->address_taken;
+	  new_node->thunk = node->thunk;
+	  new_node->alias = node->alias;
+	  new_node->weakref = node->weakref;
+	  new_node->cpp_implicit_alias = node->cpp_implicit_alias;
+	  new_node->local.local = node->local.local;
+	  TREE_PUBLIC (new_node->decl) = TREE_PUBLIC (node->decl);
+	}
+      else
+	{
+	  tree new_decl = copy_node (node->decl);
+	  new_node = cgraph_node::get_create (new_decl);
+	}
+
+      const char *new_asm_name;
+      char *new_suffix;
+      new_suffix = XNEWVEC (char, strlen (attr) + 1);
+      memcpy (new_suffix, attr, strlen (attr) + 1);
+
+      /* Replace all '=' and '-' in target option with '_'.  */
+      for (j = 0; j < strlen (new_suffix); j++)
+	if (new_suffix[j] == '=' || new_suffix[j] == '-')
+	  new_suffix[j] = '_';
+
+      pp_string (&pp, old_asm_name);
+      pp_string (&pp, ".");
+      pp_string (&pp, new_suffix);
+      new_asm_name = pp_formatted_text (&pp);
+      id = get_identifier (new_asm_name);
+      symtab->change_decl_assembler_name (new_node->decl, id);
+      XDELETEVEC (new_suffix);
+
+      /* Setting new attribute to cloned function.  */
+      tree attributes = make_attribute ("target", attr, NULL_TREE);
+      DECL_ATTRIBUTES (new_node->decl) = attributes;
+      targetm.target_option.valid_attribute_p (new_node->decl, NULL,
+					       TREE_VALUE (attributes), 0);
+      decl2_v = new_node->function_version ();
+      if (decl2_v != NULL)
+	continue;
+      decl2_v = new_node->insert_new_function_version ();
+
+      /* Chain decl2_v and decl1_v.  All semantically identical versions
+         will be chained together.  */
+
+      after = decl2_v;
+      while (before->next != NULL)
+	before = before->next;
+      while (after->prev != NULL)
+	after = after->prev;
+
+      before->next = after;
+      after->prev = before;
+      DECL_FUNCTION_VERSIONED (new_node->decl) = 1;
+    }
+  XDELETEVEC (args);
+  XDELETEVEC (attr_str);
+  return true;
+}
+
+static unsigned int
+ipa_target_clone (void)
+{
+  struct cgraph_node *node;
+  bool res = false;
+  FOR_EACH_FUNCTION (node)
+    res |= expand_target_clones (node);
+  if (res)
+    FOR_EACH_FUNCTION (node)
+      create_dispatcher_calls (node);
+  return 0;
+}
+
+namespace {
+
+const pass_data pass_data_target_clone =
+{
+  SIMPLE_IPA_PASS,		/* type */
+  "targetclone",		/* name */
+  OPTGROUP_NONE,		/* optinfo_flags */
+  TV_NONE,			/* tv_id */
+  ( PROP_ssa | PROP_cfg ),	/* properties_required */
+  0,				/* properties_provided */
+  0,				/* properties_destroyed */
+  0,				/* todo_flags_start */
+  0,				/* todo_flags_finish */
+};
+
+class pass_target_clone : public simple_ipa_opt_pass
+{
+public:
+  pass_target_clone (gcc::context *ctxt)
+    : simple_ipa_opt_pass (pass_data_target_clone, ctxt)
+  {}
+
+  /* opt_pass methods: */
+  virtual bool gate (function *);
+  virtual unsigned int execute (function *) { return ipa_target_clone (); }
+};
+
+bool
+pass_target_clone::gate (function *)
+{
+  return true;
+}
+
+} // anon namespace
+
+simple_ipa_opt_pass *
+make_pass_target_clone (gcc::context *ctxt)
+{
+  return new pass_target_clone (ctxt);
+}
diff --git a/gcc/passes.def b/gcc/passes.def
index f77d3d3..e836741 100644
--- a/gcc/passes.def
+++ b/gcc/passes.def
@@ -141,6 +141,7 @@ along with GCC; see the file COPYING3.  If not see
   INSERT_PASSES_AFTER (all_late_ipa_passes)
   NEXT_PASS (pass_ipa_pta);
   NEXT_PASS (pass_omp_simd_clone);
+  NEXT_PASS (pass_target_clone);
   TERMINATE_PASS_LIST ()
 
   /* These passes are run after IPA passes on every function that is being
diff --git a/gcc/testsuite/gcc.dg/mvc1.c b/gcc/testsuite/gcc.dg/mvc1.c
new file mode 100644
index 0000000..b5ff6aa
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/mvc1.c
@@ -0,0 +1,26 @@
+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+
+__attribute__((ctarget("avx","arch=slm","arch=core-avx2","default")))
+int
+foo ()
+{
+  return -2;
+}
+
+int
+bar ()
+{
+  return 2;
+}
+
+int
+main ()
+{
+  int r = 0;
+  r += bar ();
+  r += foo ();
+  r += bar ();
+  r += foo ();
+  r += bar ();
+  return r - 2;
+}
diff --git a/gcc/testsuite/gcc.dg/mvc2.c b/gcc/testsuite/gcc.dg/mvc2.c
new file mode 100644
index 0000000..5f2675f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/mvc2.c
@@ -0,0 +1,4 @@
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+
+__attribute__((ctarget("avx","arch=slm","arch=core-avx2")))
+int foo ();
diff --git a/gcc/testsuite/gcc.dg/mvc3.c b/gcc/testsuite/gcc.dg/mvc3.c
new file mode 100644
index 0000000..24f0919
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/mvc3.c
@@ -0,0 +1,10 @@
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+
+__attribute__((ctarget("avx","arch=slm","arch=core-avx2")))
+int foo (); /* { dg-error "default ctarget was not set" } */
+
+int
+bar ()
+{
+  return foo ();
+}
diff --git a/gcc/testsuite/gcc.dg/mvc4.c b/gcc/testsuite/gcc.dg/mvc4.c
new file mode 100644
index 0000000..56df3af
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/mvc4.c
@@ -0,0 +1,26 @@
+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+
+__attribute__((ctarget("default","avx","default")))
+int
+foo ()
+{
+  return -2;
+}
+
+int
+bar ()
+{
+  return 2;
+}
+
+int
+main ()
+{
+  int r = 0;
+  r += bar ();
+  r += foo ();
+  r += bar ();
+  r += foo ();
+  r += bar ();
+  return r - 2;
+}
diff --git a/gcc/testsuite/gcc.dg/mvc5.c b/gcc/testsuite/gcc.dg/mvc5.c
new file mode 100644
index 0000000..edc6860
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/mvc5.c
@@ -0,0 +1,16 @@
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-final { scan-assembler-times "foo.ifunc" 6 } } */
+
+__attribute__((ctarget("default","avx","avx2")))
+int
+foo ()
+{
+  return 10;
+}
+
+__attribute__((ctarget("default","avx","avx2")))
+int
+bar ()
+{
+  return -foo ();
+}
diff --git a/gcc/testsuite/gcc.dg/mvc6.c b/gcc/testsuite/gcc.dg/mvc6.c
new file mode 100644
index 0000000..8063ee8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/mvc6.c
@@ -0,0 +1,16 @@
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O3" } */
+/* { dg-final { scan-assembler "vpshufb" } } */
+/* { dg-final { scan-assembler "punpcklbw" } } */
+
+__attribute__((ctarget("arch=core-avx2","arch=slm","default")))
+void
+foo (char *in, char *out, int size)
+{
+  int i;
+  for(i = 0; i < size; i++)
+    {
+	out[2 * i] = in[i];
+	out[2 * i + 1] = in[i];
+    }
+}
diff --git a/gcc/testsuite/gcc.dg/mvc7.c b/gcc/testsuite/gcc.dg/mvc7.c
new file mode 100644
index 0000000..2af7631
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/mvc7.c
@@ -0,0 +1,11 @@
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O3" } */
+/* { dg-final { scan-assembler-times "foo.ifunc" 4 } } */
+
+__attribute__((ctarget("avx","default","arch=slm","arch=core-avx2")))
+int foo ();
+
+int main ()
+{
+  return foo ();
+}
diff --git a/gcc/tree-pass.h b/gcc/tree-pass.h
index 51ebcd7..d903965 100644
--- a/gcc/tree-pass.h
+++ b/gcc/tree-pass.h
@@ -480,6 +480,7 @@ extern ipa_opt_pass_d *make_pass_ipa_pure_const (gcc::context *ctxt);
 extern simple_ipa_opt_pass *make_pass_ipa_pta (gcc::context *ctxt);
 extern simple_ipa_opt_pass *make_pass_ipa_tm (gcc::context *ctxt);
 extern simple_ipa_opt_pass *make_pass_omp_simd_clone (gcc::context *ctxt);
+extern simple_ipa_opt_pass *make_pass_target_clone (gcc::context *ctxt);
 extern ipa_opt_pass_d *make_pass_ipa_profile (gcc::context *ctxt);
 extern ipa_opt_pass_d *make_pass_ipa_cdtor_merge (gcc::context *ctxt);
 extern ipa_opt_pass_d *make_pass_ipa_single_use (gcc::context *ctxt);