Imported from /home/lorry/working-area/delta_gcc-tarball/gcc-5.1.0.tar.bz2.gcc-5.1.0

1 files changed, 290 insertions, 183 deletions

diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index b47733cef5..4ab7405fb7 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -1,7 +1,7 @@
 # Makefile for GNU Compiler Collection
 # Run 'configure' to generate Makefile from Makefile.in
 
-# Copyright (C) 1987-2014 Free Software Foundation, Inc.
+# Copyright (C) 1987-2015 Free Software Foundation, Inc.
 
 #This file is part of GCC.
 
@@ -59,6 +59,11 @@ host=@host@
 target=@target@
 target_noncanonical:=@target_noncanonical@
 
+# Normally identical to target_noncanonical, except for compilers built
+# as accelerator targets.
+real_target_noncanonical:=@real_target_noncanonical@
+accel_dir_suffix = @accel_dir_suffix@
+
 # Sed command to transform gcc to installed name.
 program_transform_name := @program_transform_name@
 
@@ -115,6 +120,10 @@ vpath %.texi $(gcc_docdir)/include
 # UNSORTED
 # --------
 
+# Extra flags to pass to indicate cross compilation, which
+# might be used or tested by Make-lang fragments.
+CROSS=@CROSS@
+
 # Variables that exist for you to override.
 # See below for how to change them for certain systems.
 
@@ -123,7 +132,8 @@ SUBDIRS =@subdirs@ build
 
 # Selection of languages to be made.
 CONFIG_LANGUAGES = @all_selected_languages@
-LANGUAGES = c gcov$(exeext) gcov-dump$(exeext) $(CONFIG_LANGUAGES)
+LANGUAGES = c gcov$(exeext) gcov-dump$(exeext) gcov-tool$(exeext) \
+            $(CONFIG_LANGUAGES)
 
 # Default values for variables overridden in Makefile fragments.
 # CFLAGS is for the user to override to, e.g., do a cross build with -O2.
@@ -196,6 +206,11 @@ GCC_WARN_CXXFLAGS = $(LOOSE_WARN) $($(@D)-warn) $(NOCOMMON_FLAG) $($@-warn)
 # flex output may yield harmless "no previous prototype" warnings
 build/gengtype-lex.o-warn = -Wno-error
 gengtype-lex.o-warn = -Wno-error
+libgcov-util.o-warn = -Wno-error
+libgcov-driver-tool.o-warn = -Wno-error
+libgcov-merge-tool.o-warn = -Wno-error
+gimple-match.o-warn = -Wno-unused
+generic-match.o-warn = -Wno-unused
 
 # All warnings have to be shut off in stage1 if the compiler used then
 # isn't gcc; configure determines that.  WARN_CFLAGS will be either
@@ -306,6 +321,11 @@ write_entries_to_file = $(shell rm -f $(2) || :) $(shell touch $(2)) \
 			  $(shell expr $(range) + $(write_entries_to_file_split) - 1), $(1))" \
 	     | tr ' ' '\012' >> $(2)))
 
+# The jit documentation looks better if built with sphinx, but can be
+# built with texinfo if sphinx is not available.
+# configure sets "doc_build_sys" to "sphinx" or "texinfo" accordingly
+doc_build_sys=@doc_build_sys@
+
 # --------
 # UNSORTED
 # --------
@@ -331,12 +351,9 @@ GMPLIBS = @GMPLIBS@
 GMPINC = @GMPINC@
 
 # How to find ISL
+ISLLIBS = @ISLLIBS@
 ISLINC = @ISLINC@
 
-# How to find CLOOG
-CLOOGLIBS = @CLOOGLIBS@
-CLOOGINC = @CLOOGINC@
-
 # Set to 'yes' if the LTO front end is enabled.
 enable_lto = @enable_lto@
 
@@ -351,6 +368,8 @@ enable_plugin = @enable_plugin@
 
 enable_host_shared = @enable_host_shared@
 
+enable_as_accelerator = @enable_as_accelerator@
+
 CPPLIB = ../libcpp/libcpp.a
 CPPINC = -I$(srcdir)/../libcpp/include
 
@@ -491,7 +510,7 @@ out_file=$(srcdir)/config/@out_file@
 out_object_file=@out_object_file@
 common_out_file=$(srcdir)/common/config/@common_out_file@
 common_out_object_file=@common_out_object_file@
-md_file=$(srcdir)/config/@md_file@
+md_file=$(srcdir)/common.md $(srcdir)/config/@md_file@
 tm_file_list=@tm_file_list@
 tm_include_list=@tm_include_list@
 tm_defines=@tm_defines@
@@ -508,34 +527,10 @@ xm_include_list=@xm_include_list@
 xm_defines=@xm_defines@
 lang_checks=
 lang_checks_parallelized=
-dg_target_exps:=aarch64.exp,alpha.exp,arm.exp,avr.exp,bfin.exp,cris.exp
-dg_target_exps:=$(dg_target_exps),epiphany.exp,frv.exp,i386.exp,ia64.exp
-dg_target_exps:=$(dg_target_exps),m68k.exp,microblaze.exp,mips.exp,powerpc.exp
-dg_target_exps:=$(dg_target_exps),rx.exp,s390.exp,sh.exp,sparc.exp,spu.exp
-dg_target_exps:=$(dg_target_exps),tic6x.exp,xstormy16.exp
-# This lists a couple of test files that take most time during check-gcc.
-# When doing parallelized check-gcc, these can run in parallel with the
-# remaining tests.  Each word in this variable stands for work for one
-# make goal and one extra make goal is added to handle all the *.exp
-# files not handled explicitly already.  If multiple *.exp files
-# should be run in the same runtest invocation (usually if they aren't
-# very long running, but still should be split of from the check-parallel-$lang
-# remaining tests runtest invocation), they should be concatenated with commas.
-# Note that [a-zA-Z] wildcards need to have []s prefixed with \ (needed
-# by tcl) and as the *.exp arguments are mached both as is and with
-# */ prefixed to it in runtest_file_p, it is usually desirable to include
-# a subdirectory name.
-check_gcc_parallelize=execute.exp=execute/2* \
-		      execute.exp=execute/\[013-9a-fA-F\]* \
-		      execute.exp=execute/\[pP\]*,dg.exp \
-		      execute.exp=execute/\[g-oq-zG-OQ-Z\]*,compile.exp=compile/2* \
-		      compile.exp=compile/\[9pP\]*,builtins.exp \
-		      compile.exp=compile/\[013-8a-oq-zA-OQ-Z\]* \
-		      dg-torture.exp,ieee.exp \
-		      vect.exp,unsorted.exp \
-		      guality.exp \
-		      struct-layout-1.exp,stackalign.exp \
-		      $(dg_target_exps)
+# Upper limit to which it is useful to parallelize this lang target.
+# It doesn't make sense to try e.g. 128 goals for small testsuites
+# like objc or go.
+check_gcc_parallelize=10000
 lang_opt_files=@lang_opt_files@ $(srcdir)/c-family/c.opt $(srcdir)/common.opt
 lang_specs_files=@lang_specs_files@
 lang_tree_files=@lang_tree_files@
@@ -586,9 +581,9 @@ libexecdir = @libexecdir@
 # --------
 
 # Directory in which the compiler finds libraries etc.
-libsubdir = $(libdir)/gcc/$(target_noncanonical)/$(version)
+libsubdir = $(libdir)/gcc/$(real_target_noncanonical)/$(version)$(accel_dir_suffix)
 # Directory in which the compiler finds executables
-libexecsubdir = $(libexecdir)/gcc/$(target_noncanonical)/$(version)
+libexecsubdir = $(libexecdir)/gcc/$(real_target_noncanonical)/$(version)$(accel_dir_suffix)
 # Directory in which all plugin resources are installed
 plugin_resourcesdir = $(libsubdir)/plugin
  # Directory in which plugin headers are installed
@@ -596,7 +591,11 @@ plugin_includedir = $(plugin_resourcesdir)/include
 # Directory in which plugin specific executables are installed
 plugin_bindir = $(libexecsubdir)/plugin
 # Used to produce a relative $(gcc_tooldir) in gcc.o
+ifeq ($(enable_as_accelerator),yes)
+unlibsubdir = ../../../../..
+else
 unlibsubdir = ../../..
+endif
 # $(prefix), expressed as a path relative to $(libsubdir).
 #
 # An explanation of the sed strings:
@@ -769,6 +768,7 @@ GCC_INSTALL_NAME := $(shell echo gcc|sed '$(program_transform_name)')
 GCC_TARGET_INSTALL_NAME := $(target_noncanonical)-$(shell echo gcc|sed '$(program_transform_name)')
 CPP_INSTALL_NAME := $(shell echo cpp|sed '$(program_transform_name)')
 GCOV_INSTALL_NAME := $(shell echo gcov|sed '$(program_transform_name)')
+GCOV_TOOL_INSTALL_NAME := $(shell echo gcov-tool|sed '$(program_transform_name)')
 
 # Setup the testing framework, if you have one
 EXPECT = `if [ -f $${rootme}/../expect/expect ] ; then \
@@ -887,10 +887,10 @@ TREE_H = tree.h $(TREE_CORE_H)  tree-check.h
 REGSET_H = regset.h $(BITMAP_H) hard-reg-set.h
 BASIC_BLOCK_H = basic-block.h $(PREDICT_H) $(VEC_H) $(FUNCTION_H) \
 	cfg-flags.def cfghooks.h
-GIMPLE_H = gimple.h gimple.def gsstruct.def pointer-set.h $(VEC_H) \
+GIMPLE_H = gimple.h gimple.def gsstruct.def $(VEC_H) \
 	$(GGC_H) $(BASIC_BLOCK_H) $(TREE_H) tree-ssa-operands.h \
 	tree-ssa-alias.h $(INTERNAL_FN_H) $(HASH_TABLE_H) is-a.h
-GCOV_IO_H = gcov-io.h gcov-iov.h auto-host.h
+GCOV_IO_H = gcov-io.h gcov-iov.h auto-host.h gcov-counter.def
 RECOG_H = recog.h
 EMIT_RTL_H = emit-rtl.h
 FLAGS_H = flags.h flag-types.h $(OPTIONS_H)
@@ -905,7 +905,7 @@ CFGLOOP_H = cfgloop.h $(BASIC_BLOCK_H) double-int.h \
 IPA_UTILS_H = ipa-utils.h $(TREE_H) $(CGRAPH_H)
 IPA_REFERENCE_H = ipa-reference.h $(BITMAP_H) $(TREE_H)
 CGRAPH_H = cgraph.h $(VEC_H) $(TREE_H) $(BASIC_BLOCK_H) $(FUNCTION_H) \
-	cif-code.def ipa-ref.h ipa-ref-inline.h $(LINKER_PLUGIN_API_H) is-a.h
+	cif-code.def ipa-ref.h $(LINKER_PLUGIN_API_H) is-a.h
 DF_H = df.h $(BITMAP_H) $(REGSET_H) sbitmap.h $(BASIC_BLOCK_H) \
 	alloc-pool.h $(TIMEVAR_H)
 RESOURCE_H = resource.h hard-reg-set.h $(DF_H)
@@ -934,7 +934,7 @@ TREE_SSA_H = tree-ssa.h tree-ssa-operands.h \
 		$(BITMAP_H) sbitmap.h $(BASIC_BLOCK_H) $(GIMPLE_H) \
 		$(HASHTAB_H) $(CGRAPH_H) $(IPA_REFERENCE_H) \
 		tree-ssa-alias.h
-PRETTY_PRINT_H = pretty-print.h $(INPUT_H) $(OBSTACK_H)
+PRETTY_PRINT_H = pretty-print.h $(INPUT_H) $(OBSTACK_H) wide-int-print.h
 TREE_PRETTY_PRINT_H = tree-pretty-print.h $(PRETTY_PRINT_H)
 GIMPLE_PRETTY_PRINT_H = gimple-pretty-print.h $(TREE_PRETTY_PRINT_H)
 DIAGNOSTIC_CORE_H = diagnostic-core.h $(INPUT_H) bversion.h diagnostic.def
@@ -945,7 +945,7 @@ TREE_INLINE_H = tree-inline.h
 REAL_H = real.h $(MACHMODE_H)
 LTO_STREAMER_H = lto-streamer.h $(LINKER_PLUGIN_API_H) $(TARGET_H) \
 		$(CGRAPH_H) $(VEC_H) $(HASH_TABLE_H) $(TREE_H) $(GIMPLE_H) \
-		$(GCOV_IO_H) $(DIAGNOSTIC_H) alloc-pool.h pointer-set.h
+		$(GCOV_IO_H) $(DIAGNOSTIC_H) alloc-pool.h
 IPA_PROP_H = ipa-prop.h $(TREE_H) $(VEC_H) $(CGRAPH_H) $(GIMPLE_H) alloc-pool.h
 BITMAP_H = bitmap.h $(HASHTAB_H) statistics.h
 GCC_PLUGIN_H = gcc-plugin.h highlev-plugin-common.h plugin.def \
@@ -1006,7 +1006,7 @@ BUILD_LIBDEPS= $(BUILD_LIBIBERTY)
 # and the system's installed libraries.
 LIBS = @LIBS@ libcommon.a $(CPPLIB) $(LIBINTL) $(LIBICONV) $(LIBBACKTRACE) \
 	$(LIBIBERTY) $(LIBDECNUMBER) $(HOST_LIBS)
-BACKENDLIBS = $(CLOOGLIBS) $(GMPLIBS) $(PLUGINLIBS) $(HOST_LIBS) \
+BACKENDLIBS = $(ISLLIBS) $(GMPLIBS) $(PLUGINLIBS) $(HOST_LIBS) \
 	$(ZLIB)
 # Any system libraries needed just for GNAT.
 SYSLIBS = @GNAT_LIBEXC@
@@ -1038,7 +1038,7 @@ BUILD_ERRORS = build/errors.o
 INCLUDES = -I. -I$(@D) -I$(srcdir) -I$(srcdir)/$(@D) \
 	   -I$(srcdir)/../include @INCINTL@ \
 	   $(CPPINC) $(GMPINC) $(DECNUMINC) $(BACKTRACEINC) \
-	   $(CLOOGINC) $(ISLINC)
+	   $(ISLINC)
 
 COMPILE.base = $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) -o $@
 ifeq ($(CXXDEPMODE),depmode=gcc3)
@@ -1092,6 +1092,10 @@ FLAGS_TO_PASS = \
 	"LDFLAGS=$(LDFLAGS)" \
 	"FLEX=$(FLEX)" \
 	"FLEXFLAGS=$(FLEXFLAGS)" \
+	"INSTALL=$(INSTALL)" \
+	"INSTALL_DATA=$(INSTALL_DATA)" \
+	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
+	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
 	"LN=$(LN)" \
 	"LN_S=$(LN_S)" \
 	"MAKEINFO=$(MAKEINFO)" \
@@ -1128,7 +1132,7 @@ CXX_TARGET_OBJS=@cxx_target_objs@
 FORTRAN_TARGET_OBJS=@fortran_target_objs@
 
 # Object files for gcc many-languages driver.
-GCC_OBJS = gcc.o ggc-none.o
+GCC_OBJS = gcc.o gcc-main.o ggc-none.o
 
 c-family-warn = $(STRICT_WARN)
 
@@ -1163,12 +1167,14 @@ OBJS = \
 	alias.o \
 	alloc-pool.o \
 	auto-inc-dec.o \
+	auto-profile.o \
 	bb-reorder.o \
 	bitmap.o \
 	bt-load.o \
 	builtins.o \
 	caller-save.o \
 	calls.o \
+	ccmp.o \
 	cfg.o \
 	cfganal.o \
 	cfgbuild.o \
@@ -1229,6 +1235,7 @@ OBJS = \
 	function.o \
 	fwprop.o \
 	gcse.o \
+	gcse-common.o \
 	ggc-common.o \
 	gimple.o \
 	gimple-builder.o \
@@ -1236,6 +1243,8 @@ OBJS = \
 	gimple-iterator.o \
 	gimple-fold.o \
 	gimple-low.o \
+	gimple-match.o \
+	generic-match.o \
 	gimple-pretty-print.o \
 	gimple-ssa-isolate-paths.o \
 	gimple-ssa-strength-reduction.o \
@@ -1249,7 +1258,7 @@ OBJS = \
 	graphds.o \
 	graphite.o \
 	graphite-blocking.o \
-	graphite-clast-to-gimple.o \
+	graphite-isl-ast-to-gimple.o \
 	graphite-dependences.o \
 	graphite-interchange.o \
 	graphite-optimize-isl.o \
@@ -1262,18 +1271,25 @@ OBJS = \
 	hwint.o \
 	ifcvt.o \
 	ree.o \
+	inchash.o \
 	incpath.o \
 	init-regs.o \
 	internal-fn.o \
+	ipa-chkp.o \
 	ipa-cp.o \
 	ipa-devirt.o \
+	ipa-polymorphic-call.o \
 	ipa-split.o \
 	ipa-inline.o \
+	ipa-comdats.o \
+	ipa-visibility.o \
 	ipa-inline-analysis.o \
 	ipa-inline-transform.o \
 	ipa-profile.o \
 	ipa-prop.o \
 	ipa-pure-const.o \
+	ipa-icf.o \
+	ipa-icf-gimple.o \
 	ipa-reference.o \
 	ipa-ref.o \
 	ipa-utils.o \
@@ -1294,7 +1310,6 @@ OBJS = \
 	loop-invariant.o \
 	loop-iv.o \
 	loop-unroll.o \
-	loop-unswitch.o \
 	lower-subreg.o \
 	lra.o \
 	lra-assigns.o \
@@ -1302,6 +1317,7 @@ OBJS = \
 	lra-constraints.o \
 	lra-eliminations.o \
 	lra-lives.o \
+	lra-remat.o \
 	lra-spills.o \
 	lto-cgraph.o \
 	lto-streamer.o \
@@ -1321,7 +1337,6 @@ OBJS = \
 	opts-global.o \
 	passes.o \
 	plugin.o \
-	pointer-set.o \
 	postreload-gcse.o \
 	postreload.o \
 	predict.o \
@@ -1340,8 +1355,10 @@ OBJS = \
 	reload1.o \
 	reorg.o \
 	resource.o \
+	rtl-chkp.o \
 	rtl-error.o \
 	rtl.o \
+	rtlhash.o \
 	rtlanal.o \
 	rtlhooks.o \
 	sbitmap.o \
@@ -1354,6 +1371,7 @@ OBJS = \
 	sel-sched-dump.o \
 	sel-sched.o \
 	sese.o \
+	shrink-wrap.o \
 	simplify-rtx.o \
 	sparseset.o \
 	sreal.o \
@@ -1374,6 +1392,7 @@ OBJS = \
 	asan.o \
 	tsan.o \
 	ubsan.o \
+	sanopt.o \
 	tree-call-cdce.o \
 	tree-cfg.o \
 	tree-cfgcleanup.o \
@@ -1396,6 +1415,8 @@ OBJS = \
 	tree-outof-ssa.o \
 	tree-parloops.o \
 	tree-phinodes.o \
+	tree-chkp.o \
+	tree-chkp-opt.o \
 	tree-predcom.o \
 	tree-pretty-print.o \
 	tree-profile.o \
@@ -1465,6 +1486,8 @@ OBJS = \
 	vmsdbgout.o \
 	vtable-verify.o \
 	web.o \
+	wide-int.o \
+	wide-int-print.o \
 	xcoffout.o \
 	$(out_object_file) \
 	$(EXTRA_OBJS) \
@@ -1487,7 +1510,8 @@ ALL_HOST_FRONTEND_OBJS = $(foreach v,$(CONFIG_LANGUAGES),$($(v)_OBJS))
 ALL_HOST_BACKEND_OBJS = $(GCC_OBJS) $(OBJS) $(OBJS-libcommon) \
   $(OBJS-libcommon-target) @TREEBROWSER@ main.o c-family/cppspec.o \
   $(COLLECT2_OBJS) $(EXTRA_GCC_OBJS) $(GCOV_OBJS) $(GCOV_DUMP_OBJS) \
-  lto-wrapper.o
+  $(GCOV_TOOL_OBJS) $(GENGTYPE_OBJS) gcc-ar.o gcc-nm.o gcc-ranlib.o \
+  lto-wrapper.o collect-utils.o
 
 # This lists all host object files, whether they are included in this
 # compilation or not.
@@ -1500,21 +1524,32 @@ BACKEND = libbackend.a main.o @TREEBROWSER@ libcommon-target.a libcommon.a \
 # front-end checking.
 TREECHECKING = @TREECHECKING@
 
+# The full name of the driver on installation
+FULL_DRIVER_NAME=$(target_noncanonical)-gcc-$(version)$(exeext)
+
 MOSTLYCLEANFILES = insn-flags.h insn-config.h insn-codes.h \
  insn-output.c insn-recog.c insn-emit.c insn-extract.c insn-peep.c \
  insn-attr.h insn-attr-common.h insn-attrtab.c insn-dfatab.c \
  insn-latencytab.c insn-opinit.c insn-opinit.h insn-preds.c insn-constants.h \
- tm-preds.h tm-constrs.h checksum-options \
+ tm-preds.h tm-constrs.h checksum-options gimple-match.c generic-match.c \
  tree-check.h min-insn-modes.c insn-modes.c insn-modes.h \
  genrtl.h gt-*.h gtype-*.h gtype-desc.c gtyp-input.list \
- xgcc$(exeext) cpp$(exeext) \
+ xgcc$(exeext) cpp$(exeext) $(FULL_DRIVER_NAME) \
  $(EXTRA_PROGRAMS) gcc-cross$(exeext) \
  $(SPECS) collect2$(exeext) gcc-ar$(exeext) gcc-nm$(exeext) \
  gcc-ranlib$(exeext) \
  gcov-iov$(build_exeext) gcov$(exeext) gcov-dump$(exeext) \
+ gcov-tool$(exeect) \
  gengtype$(exeext) *.[0-9][0-9].* *.[si] *-checksum.c libbackend.a \
  libcommon-target.a libcommon.a libgcc.mk
 
+# This symlink makes the full installation name of the driver be available
+# from within the *build* directory, for use when running the JIT library
+# from there (e.g. when running its testsuite).
+$(FULL_DRIVER_NAME): ./xgcc
+	rm -f $@
+	$(LN_S) $< $@
+
 #
 # Language makefile fragments.
 
@@ -1668,6 +1703,7 @@ aclocal_deps = \
 	$(srcdir)/../config/codeset.m4 \
 	$(srcdir)/../config/extensions.m4 \
 	$(srcdir)/../config/gettext-sister.m4 \
+	$(srcdir)/../config/gcc-plugin.m4 \
 	$(srcdir)/../config/iconv.m4 \
 	$(srcdir)/../config/lcmessage.m4 \
 	$(srcdir)/../config/lib-ld.m4 \
@@ -1895,7 +1931,8 @@ gcc-ranlib.c: gcc-ar.c
 gcc-nm.c: gcc-ar.c
 	cp $^ $@
 
-COLLECT2_OBJS = collect2.o collect2-aix.o tlink.o vec.o ggc-none.o file-find.o
+COLLECT2_OBJS = collect2.o collect2-aix.o tlink.o vec.o ggc-none.o \
+  collect-utils.o file-find.o
 COLLECT2_LIBS = @COLLECT2_LIBS@
 collect2$(exeext): $(COLLECT2_OBJS) $(LIBDEPS)
 # Don't try modifying collect2 (aka ld) in place--it might be linking this.
@@ -1906,9 +1943,10 @@ collect2$(exeext): $(COLLECT2_OBJS) $(LIBDEPS)
 CFLAGS-collect2.o += -DTARGET_MACHINE=\"$(target_noncanonical)\" \
 	@TARGET_SYSTEM_ROOT_DEFINE@
 
-lto-wrapper$(exeext): lto-wrapper.o ggc-none.o libcommon-target.a $(LIBDEPS)
+LTO_WRAPPER_OBJS = lto-wrapper.o collect-utils.o ggc-none.o
+lto-wrapper$(exeext): $(LTO_WRAPPER_OBJS) libcommon-target.a $(LIBDEPS)
 	+$(LINKER) $(ALL_COMPILERFLAGS) $(LDFLAGS) -o T$@ \
-	    lto-wrapper.o ggc-none.o libcommon-target.a $(LIBS)
+	   $(LTO_WRAPPER_OBJS) libcommon-target.a $(LIBS)
 	mv -f T$@ $@
 
 # Files used by all variants of C or by the stand-alone pre-processor.
@@ -1934,9 +1972,11 @@ DRIVER_DEFINES = \
   -DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc/\" \
   -DSTANDARD_LIBEXEC_PREFIX=\"$(libexecdir)/gcc/\" \
   -DDEFAULT_TARGET_VERSION=\"$(version)\" \
+  -DDEFAULT_REAL_TARGET_MACHINE=\"$(real_target_noncanonical)\" \
   -DDEFAULT_TARGET_MACHINE=\"$(target_noncanonical)\" \
   -DSTANDARD_BINDIR_PREFIX=\"$(bindir)/\" \
   -DTOOLDIR_BASE_PREFIX=\"$(libsubdir_to_prefix)$(prefix_to_exec_prefix)\" \
+  -DACCEL_DIR_SUFFIX=\"$(accel_dir_suffix)\" \
   @TARGET_SYSTEM_ROOT_DEFINE@ \
   $(VALGRIND_DRIVER_DEFINES) \
   $(if $(SHLIB),$(if $(filter yes,@enable_shared@),-DENABLE_SHARED_LIBGCC)) \
@@ -2018,7 +2058,7 @@ $(common_out_object_file): $(common_out_file)
 .PRECIOUS: insn-config.h insn-flags.h insn-codes.h insn-constants.h \
   insn-emit.c insn-recog.c insn-extract.c insn-output.c insn-peep.c \
   insn-attr.h insn-attr-common.h insn-attrtab.c insn-dfatab.c \
-  insn-latencytab.c insn-preds.c
+  insn-latencytab.c insn-preds.c gimple-match.c generic-match.c
 
 # Dependencies for the md file.  The first time through, we just assume
 # the md file itself and the generated dependency file (in order to get
@@ -2227,20 +2267,35 @@ s-tm-texi: build/genhooks$(build_exeext) $(srcdir)/doc/tm.texi.in
 	  false; \
 	fi
 
+gimple-match.c: s-match gimple-match-head.c ; @true
+generic-match.c: s-match generic-match-head.c ; @true
+
+s-match: build/genmatch$(build_exeext) $(srcdir)/match.pd
+	$(RUN_GEN) build/genmatch$(build_exeext) --gimple $(srcdir)/match.pd \
+	    > tmp-gimple-match.c
+	$(RUN_GEN) build/genmatch$(build_exeext) --generic $(srcdir)/match.pd \
+	    > tmp-generic-match.c
+	$(SHELL) $(srcdir)/../move-if-change tmp-gimple-match.c \
+	    					gimple-match.c
+	$(SHELL) $(srcdir)/../move-if-change tmp-generic-match.c \
+	    					generic-match.c
+	$(STAMP) s-match
+
 GTFILES = $(CPP_ID_DATA_H) $(srcdir)/input.h $(srcdir)/coretypes.h \
   $(host_xm_file_list) \
   $(tm_file_list) $(HASHTAB_H) $(SPLAY_TREE_H) $(srcdir)/bitmap.h \
-  $(srcdir)/alias.h $(srcdir)/coverage.c $(srcdir)/rtl.h \
+  $(srcdir)/wide-int.h $(srcdir)/alias.h $(srcdir)/coverage.c $(srcdir)/rtl.h \
   $(srcdir)/optabs.h $(srcdir)/tree.h $(srcdir)/tree-core.h \
   $(srcdir)/libfuncs.h $(SYMTAB_H) \
   $(srcdir)/real.h $(srcdir)/function.h $(srcdir)/insn-addr.h $(srcdir)/hwint.h \
   $(srcdir)/fixed-value.h \
-  $(srcdir)/output.h $(srcdir)/cfgloop.h \
+  $(srcdir)/output.h $(srcdir)/cfgloop.h $(srcdir)/cfg.h \
   $(srcdir)/cselib.h $(srcdir)/basic-block.h  $(srcdir)/ipa-ref.h $(srcdir)/cgraph.h \
   $(srcdir)/reload.h $(srcdir)/caller-save.c $(srcdir)/symtab.c \
   $(srcdir)/alias.c $(srcdir)/bitmap.c $(srcdir)/cselib.c $(srcdir)/cgraph.c \
   $(srcdir)/ipa-prop.c $(srcdir)/ipa-cp.c $(srcdir)/ipa-utils.h \
   $(srcdir)/dbxout.c \
+  $(srcdir)/signop.h \
   $(srcdir)/dwarf2out.h \
   $(srcdir)/dwarf2asm.c \
   $(srcdir)/dwarf2cfi.c \
@@ -2258,6 +2313,7 @@ GTFILES = $(CPP_ID_DATA_H) $(srcdir)/input.h $(srcdir)/coretypes.h \
   $(srcdir)/stringpool.c $(srcdir)/tree.c $(srcdir)/varasm.c \
   $(srcdir)/gimple.h \
   $(srcdir)/gimple-ssa.h \
+  $(srcdir)/tree-chkp.c \
   $(srcdir)/tree-ssanames.c $(srcdir)/tree-eh.c $(srcdir)/tree-ssa-address.c \
   $(srcdir)/tree-cfg.c \
   $(srcdir)/tree-dfa.c \
@@ -2266,11 +2322,10 @@ GTFILES = $(CPP_ID_DATA_H) $(srcdir)/input.h $(srcdir)/coretypes.h \
   $(srcdir)/tree-scalar-evolution.c \
   $(srcdir)/tree-ssa-operands.h \
   $(srcdir)/tree-profile.c $(srcdir)/tree-nested.c \
-  $(srcdir)/tree-parloops.c \
   $(srcdir)/omp-low.c \
+  $(srcdir)/omp-low.h \
   $(srcdir)/targhooks.c $(out_file) $(srcdir)/passes.c $(srcdir)/cgraphunit.c \
   $(srcdir)/cgraphclones.c \
-  $(srcdir)/tree-ssa-propagate.c \
   $(srcdir)/tree-phinodes.c \
   $(srcdir)/tree-ssa-alias.h \
   $(srcdir)/tree-ssanames.h \
@@ -2283,6 +2338,7 @@ GTFILES = $(CPP_ID_DATA_H) $(srcdir)/input.h $(srcdir)/coretypes.h \
   $(srcdir)/asan.c \
   $(srcdir)/ubsan.c \
   $(srcdir)/tsan.c \
+  $(srcdir)/sanopt.c \
   $(srcdir)/ipa-devirt.c \
   $(srcdir)/internal-fn.h \
   @all_gtfiles@
@@ -2375,6 +2431,8 @@ build/rtl.o: rtl.c $(BCONFIG_H) coretypes.h $(GTM_H) $(SYSTEM_H)	\
   $(RTL_H) $(GGC_H) errors.h
 build/vec.o : vec.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h $(VEC_H)	\
    $(GGC_H) toplev.h $(DIAGNOSTIC_CORE_H)
+build/hash-table.o : hash-table.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h  \
+   $(HASH_TABLE_H) $(GGC_H) toplev.h $(DIAGNOSTIC_CORE_H)
 build/gencondmd.o : build/gencondmd.c $(BCONFIG_H) $(SYSTEM_H)		\
   coretypes.h $(GTM_H) insn-constants.h					\
   $(filter-out insn-flags.h, $(RTL_H) $(TM_P_H) $(FUNCTION_H) $(REGS_H) \
@@ -2428,31 +2486,31 @@ build/gengenrtl.o : gengenrtl.c $(BCONFIG_H) $(SYSTEM_H) rtl.def
 # on BCONFIG_H.  For the build objects, add -DGENERATOR_FILE manually,
 # the build-%: rule doesn't apply to them.
 
+GENGTYPE_OBJS = gengtype.o gengtype-parse.o gengtype-state.o \
+  gengtype-lex.o errors.o
+
 gengtype-lex.o build/gengtype-lex.o : gengtype-lex.c gengtype.h $(SYSTEM_H)
-gengtype-lex.o: $(CONFIG_H) $(BCONFIG_H)
-CFLAGS-gengtype-lex.o += -DGENERATOR_FILE
+CFLAGS-gengtype-lex.o += -DHOST_GENERATOR_FILE
 build/gengtype-lex.o: $(BCONFIG_H)
 
 gengtype-parse.o build/gengtype-parse.o : gengtype-parse.c gengtype.h \
   $(SYSTEM_H)
-gengtype-parse.o: $(CONFIG_H)
-CFLAGS-gengtype-parse.o += -DGENERATOR_FILE
+CFLAGS-gengtype-parse.o += -DHOST_GENERATOR_FILE
 build/gengtype-parse.o: $(BCONFIG_H)
 
 gengtype-state.o build/gengtype-state.o: gengtype-state.c $(SYSTEM_H) \
   gengtype.h errors.h double-int.h version.h $(HASHTAB_H) $(OBSTACK_H) \
   $(XREGEX_H)
-gengtype-state.o: $(CONFIG_H)
-CFLAGS-gengtype-state.o += -DGENERATOR_FILE
+CFLAGS-gengtype-state.o += -DHOST_GENERATOR_FILE
 build/gengtype-state.o: $(BCONFIG_H)
-
 gengtype.o build/gengtype.o : gengtype.c $(SYSTEM_H) gengtype.h 	\
-  rtl.def insn-notes.def errors.h double-int.h version.h $(HASHTAB_H) \
-  $(OBSTACK_H) $(XREGEX_H)
-gengtype.o: $(CONFIG_H)
-CFLAGS-gengtype.o += -DGENERATOR_FILE
+  rtl.def insn-notes.def errors.h double-int.h version.h     		\
+  $(HASHTAB_H) $(OBSTACK_H) $(XREGEX_H)
+CFLAGS-gengtype.o += -DHOST_GENERATOR_FILE
 build/gengtype.o: $(BCONFIG_H)
 
+CFLAGS-errors.o += -DHOST_GENERATOR_FILE
+
 build/genmddeps.o: genmddeps.c $(BCONFIG_H) $(SYSTEM_H) coretypes.h	\
   errors.h $(READ_MD_H)
 build/genmodes.o : genmodes.c $(BCONFIG_H) $(SYSTEM_H) errors.h		\
@@ -2471,6 +2529,8 @@ build/genhooks.o : genhooks.c $(TARGET_DEF) $(C_TARGET_DEF)		\
   $(COMMON_TARGET_DEF) $(BCONFIG_H) $(SYSTEM_H) errors.h
 build/genmddump.o : genmddump.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H)	\
   coretypes.h $(GTM_H) errors.h $(READ_MD_H) gensupport.h
+build/genmatch.o : genmatch.c $(BCONFIG_H) $(SYSTEM_H) \
+  coretypes.h errors.h $(HASH_TABLE_H) hash-map.h $(GGC_H)
 
 # Compile the programs that generate insn-* from the machine description.
 # They are compiled with $(COMPILER_FOR_BUILD), and associated libraries,
@@ -2491,11 +2551,25 @@ genprogerr = $(genprogmd) genrtl modes gtype hooks
 $(genprogerr:%=build/gen%$(build_exeext)): $(BUILD_ERRORS)
 
 # Remaining build programs.
-genprog = $(genprogerr) check checksum condmd
+genprog = $(genprogerr) check checksum condmd match
 
 # These programs need libs over and above what they get from the above list.
 build/genautomata$(build_exeext) : BUILD_LIBS += -lm
 
+# For stage1 and when cross-compiling use the build libcpp which is
+# built with NLS disabled.  For stage2+ use the host library and
+# its dependencies.
+ifeq ($(build_objdir),$(build_libobjdir))
+BUILD_CPPLIB = $(build_libobjdir)/libcpp/libcpp.a
+else
+BUILD_CPPLIB = $(CPPLIB) $(LIBIBERTY)
+build/genmatch$(build_exeext): BUILD_LIBDEPS += $(LIBINTL_DEP) $(LIBICONV_DEP)
+build/genmatch$(build_exeext): BUILD_LIBS += $(LIBINTL) $(LIBICONV)
+endif
+
+build/genmatch$(build_exeext) : $(BUILD_CPPLIB) \
+  $(BUILD_ERRORS) build/vec.o build/hash-table.o
+
 # These programs are not linked with the MD reader.
 build/gengtype$(build_exeext) : build/gengtype-lex.o build/gengtype-parse.o \
               build/gengtype-state.o build/version.o build/errors.o
@@ -2572,6 +2646,22 @@ GCOV_DUMP_OBJS = gcov-dump.o
 gcov-dump$(exeext): $(GCOV_DUMP_OBJS) $(LIBDEPS)
 	+$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_DUMP_OBJS) \
 		$(LIBS) -o $@
+
+GCOV_TOOL_DEP_FILES = $(srcdir)/../libgcc/libgcov-util.c gcov-io.c $(GCOV_IO_H) \
+  $(srcdir)/../libgcc/libgcov-driver.c $(srcdir)/../libgcc/libgcov-driver-system.c \
+  $(srcdir)/../libgcc/libgcov-merge.c $(srcdir)/../libgcc/libgcov.h \
+  $(SYSTEM_H) coretypes.h $(TM_H) $(CONFIG_H) version.h intl.h $(DIAGNOSTIC_H)
+libgcov-util.o: $(srcdir)/../libgcc/libgcov-util.c $(GCOV_TOOL_DEP_FILES)
+	+$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) -o $@ $<
+libgcov-driver-tool.o: $(srcdir)/../libgcc/libgcov-driver.c $(GCOV_TOOL_DEP_FILES)
+	+$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+	  -DIN_GCOV_TOOL=1 -o $@ $<
+libgcov-merge-tool.o: $(srcdir)/../libgcc/libgcov-merge.c $(GCOV_TOOL_DEP_FILES)
+	+$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+	  -DIN_GCOV_TOOL=1 -o $@ $<
+GCOV_TOOL_OBJS = gcov-tool.o libgcov-util.o libgcov-driver-tool.o libgcov-merge-tool.o
+gcov-tool$(exeext): $(GCOV_TOOL_OBJS) $(LIBDEPS)
+	+$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_TOOL_OBJS) $(LIBS) -o $@
 #
 # Build the include directories.  The stamp files are stmp-* rather than
 # s-* so that mostlyclean does not force the include directory to
@@ -2799,8 +2889,7 @@ TEXI_GCC_FILES = gcc.texi gcc-common.texi gcc-vers.texi frontends.texi	\
 	 gcov.texi trouble.texi bugreport.texi service.texi		\
 	 contribute.texi compat.texi funding.texi gnu.texi gpl_v3.texi	\
 	 fdl.texi contrib.texi cppenv.texi cppopts.texi avr-mmcu.texi	\
-	 implement-c.texi implement-cxx.texi arm-neon-intrinsics.texi	\
-	 arm-acle-intrinsics.texi
+	 implement-c.texi implement-cxx.texi gcov-tool.texi
 
 # we explicitly use $(srcdir)/doc/tm.texi here to avoid confusion with
 # the generated tm.texi; the latter might have a more recent timestamp,
@@ -2813,7 +2902,8 @@ TEXI_GCCINT_FILES = gccint.texi gcc-common.texi gcc-vers.texi		\
 	 configfiles.texi collect2.texi headerdirs.texi funding.texi	\
 	 gnu.texi gpl_v3.texi fdl.texi contrib.texi languages.texi	\
 	 sourcebuild.texi gty.texi libgcc.texi cfg.texi tree-ssa.texi	\
-	 loop.texi generic.texi gimple.texi plugins.texi optinfo.texi
+	 loop.texi generic.texi gimple.texi plugins.texi optinfo.texi   \
+	 match-and-simplify.texi
 
 TEXI_GCCINSTALL_FILES = install.texi install-old.texi fdl.texi		\
 	 gcc-common.texi gcc-vers.texi
@@ -2921,7 +3011,8 @@ $(build_htmldir)/gccinstall/index.html: $(TEXI_GCCINSTALL_FILES)
 	DESTDIR=$(@D) \
 	$(SHELL) $(srcdir)/doc/install.texi2html
 
-MANFILES = doc/gcov.1 doc/cpp.1 doc/gcc.1 doc/gfdl.7 doc/gpl.7 doc/fsf-funding.7
+MANFILES = doc/gcov.1 doc/cpp.1 doc/gcc.1 doc/gfdl.7 doc/gpl.7 \
+           doc/fsf-funding.7 doc/gcov-tool.1
 
 generated-manpages: man
 
@@ -3091,12 +3182,14 @@ install-strip: install
 
 # Handle cpp installation.
 install-cpp: installdirs cpp$(exeext)
-	-rm -f $(DESTDIR)$(bindir)/$(CPP_INSTALL_NAME)$(exeext)
-	-$(INSTALL_PROGRAM) -m 755 cpp$(exeext) $(DESTDIR)$(bindir)/$(CPP_INSTALL_NAME)$(exeext)
-	-if [ x$(cpp_install_dir) != x ]; then \
-	  rm -f $(DESTDIR)$(prefix)/$(cpp_install_dir)/$(CPP_INSTALL_NAME)$(exeext); \
-	  $(INSTALL_PROGRAM) -m 755 cpp$(exeext) $(DESTDIR)$(prefix)/$(cpp_install_dir)/$(CPP_INSTALL_NAME)$(exeext); \
-	else true; fi
+	-if test "$(enable_as_accelerator)" != "yes" ; then \
+	  rm -f $(DESTDIR)$(bindir)/$(CPP_INSTALL_NAME)$(exeext); \
+	  $(INSTALL_PROGRAM) -m 755 cpp$(exeext) $(DESTDIR)$(bindir)/$(CPP_INSTALL_NAME)$(exeext); \
+	  if [ x$(cpp_install_dir) != x ]; then \
+	    rm -f $(DESTDIR)$(prefix)/$(cpp_install_dir)/$(CPP_INSTALL_NAME)$(exeext); \
+	    $(INSTALL_PROGRAM) -m 755 cpp$(exeext) $(DESTDIR)$(prefix)/$(cpp_install_dir)/$(CPP_INSTALL_NAME)$(exeext); \
+	  else true; fi; \
+	fi
 
 # Create the installation directories.
 # $(libdir)/gcc/include isn't currently searched by cpp.
@@ -3110,7 +3203,7 @@ installdirs:
 	$(mkinstalldirs) $(DESTDIR)$(man7dir)
 
 PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
-  toplev.h $(DIAGNOSTIC_CORE_H) $(BASIC_BLOCK_H) pointer-set.h $(HASH_TABLE_H) \
+  toplev.h $(DIAGNOSTIC_CORE_H) $(BASIC_BLOCK_H) $(HASH_TABLE_H) \
   tree-ssa-alias.h $(INTERNAL_FN_H) gimple-fold.h tree-eh.h gimple-expr.h \
   gimple.h is-a.h $(TREE_PASS_H) $(GCC_PLUGIN_H) \
   $(GGC_H) $(TREE_DUMP_H) $(PRETTY_PRINT_H) $(OPTS_H) $(PARAMS_H) \
@@ -3134,7 +3227,9 @@ PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
   tree-parloops.h tree-ssa-address.h tree-ssa-coalesce.h tree-ssa-dom.h \
   tree-ssa-loop.h tree-ssa-loop-ivopts.h tree-ssa-loop-manip.h \
   tree-ssa-loop-niter.h tree-ssa-ter.h tree-ssa-threadedge.h \
-  tree-ssa-threadupdate.h pass-instances.def
+  tree-ssa-threadupdate.h inchash.h wide-int.h signop.h hash-map.h \
+  hash-set.h dominance.h cfg.h cfgrtl.h cfganal.h cfgbuild.h cfgcleanup.h \
+  lcm.h cfgloopmanip.h builtins.def chkp-builtins.def pass-instances.def
 
 # generate the 'build fragment' b-header-vars
 s-header-vars: Makefile
@@ -3160,7 +3255,7 @@ install-plugin: installdirs lang.install-plugin s-header-vars install-gengtype
 # We keep the directory structure for files in config or c-family and .def
 # files. All other files are flattened to a single directory.
 	$(mkinstalldirs) $(DESTDIR)$(plugin_includedir)
-	headers=`echo $(PLUGIN_HEADERS) | tr ' ' '\012' | sort -u`; \
+	headers=`echo $(PLUGIN_HEADERS) $$(cd $(srcdir); echo *.h *.def) | tr ' ' '\012' | sort -u`; \
 	srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`; \
 	for file in $$headers; do \
 	  if [ -f $$file ] ; then \
@@ -3203,10 +3298,21 @@ install-common: native lang.install-common installdirs
 # otherwise override the specs built into the driver.
 	rm -f $(DESTDIR)$(libsubdir)/specs
 # Install gcov if it was compiled.
-	-if [ -f gcov$(exeext) ]; \
-	then \
+	-if test "$(enable_as_accelerator)" != "yes" ; then \
+	  if [ -f gcov$(exeext) ]; \
+	  then \
 	    rm -f $(DESTDIR)$(bindir)/$(GCOV_INSTALL_NAME)$(exeext); \
 	    $(INSTALL_PROGRAM) gcov$(exeext) $(DESTDIR)$(bindir)/$(GCOV_INSTALL_NAME)$(exeext); \
+	  fi; \
+	fi
+# Install gcov-tool if it was compiled.
+	-if test "$(enable_as_accelerator)" != "yes" ; then \
+	  if [ -f gcov-tool$(exeext) ]; \
+	  then \
+	    rm -f $(DESTDIR)$(bindir)/$(GCOV_TOOL_INSTALL_NAME)$(exeext); \
+	    $(INSTALL_PROGRAM) \
+	    gcov-tool$(exeext) $(DESTDIR)$(bindir)/$(GCOV_TOOL_INSTALL_NAME)$(exeext); \
+	  fi; \
 	fi
 
 # Install the driver program as $(target_noncanonical)-gcc,
@@ -3214,17 +3320,19 @@ install-common: native lang.install-common installdirs
 install-driver: installdirs xgcc$(exeext)
 	-rm -f $(DESTDIR)$(bindir)/$(GCC_INSTALL_NAME)$(exeext)
 	-$(INSTALL_PROGRAM) xgcc$(exeext) $(DESTDIR)$(bindir)/$(GCC_INSTALL_NAME)$(exeext)
-	-if [ "$(GCC_INSTALL_NAME)" != "$(target_noncanonical)-gcc-$(version)" ]; then \
-	  rm -f $(DESTDIR)$(bindir)/$(target_noncanonical)-gcc-$(version)$(exeext); \
-	  ( cd $(DESTDIR)$(bindir) && \
-	    $(LN) $(GCC_INSTALL_NAME)$(exeext) $(target_noncanonical)-gcc-$(version)$(exeext) ); \
-	fi
-	-if [ ! -f gcc-cross$(exeext) ] \
-	    && [ "$(GCC_INSTALL_NAME)" != "$(GCC_TARGET_INSTALL_NAME)" ]; then \
-	  rm -f $(DESTDIR)$(bindir)/$(target_noncanonical)-gcc-tmp$(exeext); \
-	  ( cd $(DESTDIR)$(bindir) && \
-	    $(LN) $(GCC_INSTALL_NAME)$(exeext) $(target_noncanonical)-gcc-tmp$(exeext) && \
-	    mv -f $(target_noncanonical)-gcc-tmp$(exeext) $(GCC_TARGET_INSTALL_NAME)$(exeext) ); \
+	-if test "$(enable_as_accelerator)" != "yes" ; then \
+	  if [ "$(GCC_INSTALL_NAME)" != "$(target_noncanonical)-gcc-$(version)" ]; then \
+	    rm -f $(DESTDIR)$(bindir)/$(FULL_DRIVER_NAME); \
+	    ( cd $(DESTDIR)$(bindir) && \
+	      $(LN) $(GCC_INSTALL_NAME)$(exeext) $(FULL_DRIVER_NAME) ); \
+	  fi; \
+	  if [ ! -f gcc-cross$(exeext) ] \
+	      && [ "$(GCC_INSTALL_NAME)" != "$(GCC_TARGET_INSTALL_NAME)" ]; then \
+	    rm -f $(DESTDIR)$(bindir)/$(target_noncanonical)-gcc-tmp$(exeext); \
+	    ( cd $(DESTDIR)$(bindir) && \
+	      $(LN) $(GCC_INSTALL_NAME)$(exeext) $(target_noncanonical)-gcc-tmp$(exeext) && \
+	      mv -f $(target_noncanonical)-gcc-tmp$(exeext) $(GCC_TARGET_INSTALL_NAME)$(exeext) ); \
+	  fi; \
 	fi
 
 # Install the info files.
@@ -3313,6 +3421,11 @@ $(DESTDIR)$(man1dir)/$(GCOV_INSTALL_NAME)$(man1ext): doc/gcov.1 installdirs
 	-$(INSTALL_DATA) $< $@
 	-chmod a-x $@
 
+$(DESTDIR)$(man1dir)/$(GCOV_TOOL_INSTALL_NAME)$(man1ext): doc/gcov-tool.1 installdirs
+	-rm -f $@
+	-$(INSTALL_DATA) $< $@
+	-chmod a-x $@
+
 # Install all the header files built in the include subdirectory.
 install-headers: $(INSTALL_HEADERS_DIR)
 # Fix symlinks to absolute paths in the installed include directory to
@@ -3416,19 +3529,21 @@ install-lto-wrapper: lto-wrapper$(exeext)
 	$(INSTALL_PROGRAM) lto-wrapper$(exeext) $(DESTDIR)$(libexecsubdir)/lto-wrapper$(exeext)
 
 install-gcc-ar: installdirs gcc-ar$(exeext) gcc-nm$(exeext) gcc-ranlib$(exeext)
-	for i in gcc-ar gcc-nm gcc-ranlib; do \
-	  install_name=`echo $$i|sed '$(program_transform_name)'` ;\
-	  target_install_name=$(target_noncanonical)-`echo $$i|sed '$(program_transform_name)'` ; \
-	  rm -f $(DESTDIR)$(bindir)/$$install_name$(exeext) ; \
-	  $(INSTALL_PROGRAM) $$i$(exeext) $(DESTDIR)$(bindir)/$$install_name$(exeext) ;\
-	  if test -f gcc-cross$(exeext); then \
-	    :; \
-	  else \
-	    rm -f $(DESTDIR)$(bindir)/$$target_install_name$(exeext); \
-	    ( cd $(DESTDIR)$(bindir) && \
-	      $(LN) $$install_name$(exeext) $$target_install_name$(exeext) ) ; \
-	  fi ; \
-	done
+	if test "$(enable_as_accelerator)" != "yes" ; then \
+	  for i in gcc-ar gcc-nm gcc-ranlib; do \
+	    install_name=`echo $$i|sed '$(program_transform_name)'` ;\
+	    target_install_name=$(target_noncanonical)-`echo $$i|sed '$(program_transform_name)'` ; \
+	    rm -f $(DESTDIR)$(bindir)/$$install_name$(exeext) ; \
+	    $(INSTALL_PROGRAM) $$i$(exeext) $(DESTDIR)$(bindir)/$$install_name$(exeext) ;\
+	    if test -f gcc-cross$(exeext); then \
+	      :; \
+	    else \
+	      rm -f $(DESTDIR)$(bindir)/$$target_install_name$(exeext); \
+	      ( cd $(DESTDIR)$(bindir) && \
+		$(LN) $$install_name$(exeext) $$target_install_name$(exeext) ) ; \
+	    fi ; \
+	  done; \
+	fi
 
 # Cancel installation by deleting the installed files.
 uninstall: lang.uninstall
@@ -3492,9 +3607,6 @@ site.exp: ./config.status Makefile
 	  echo "set PLUGINCFLAGS \"$(PLUGINCFLAGS)\"" >> ./site.tmp; \
 	  echo "set GMPINC \"$(GMPINC)\"" >> ./site.tmp; \
 	fi
-	@if test "@enable_lto@" = "yes" ; then \
-	  echo "set ENABLE_LTO 1" >> ./site.tmp; \
-	fi
 # If newlib has been configured, we need to pass -B to gcc so it can find
 # newlib's crt0.o if it exists.  This will cause a "path prefix not used"
 # message if it doesn't, but the testsuite is supposed to ignore the message -
@@ -3582,27 +3694,33 @@ $(filter-out $(lang_checks_parallelized),$(lang_checks)): check-% : site.exp
 	    export TCL_LIBRARY ; fi ; \
 	$(RUNTEST) --tool $* $(RUNTESTFLAGS))
 
-$(patsubst %,%-subtargets,$(filter-out $(lang_checks_parallelized),$(lang_checks))): check-%-subtargets:
+$(patsubst %,%-subtargets,$(lang_checks)): check-%-subtargets:
 	@echo check-$*
 
 check_p_tool=$(firstword $(subst _, ,$*))
-check_p_vars=$(check_$(check_p_tool)_parallelize)
+check_p_count=$(check_$(check_p_tool)_parallelize)
 check_p_subno=$(word 2,$(subst _, ,$*))
-check_p_comma=,
-check_p_subwork=$(subst $(check_p_comma), ,$(if $(check_p_subno),$(word $(check_p_subno),$(check_p_vars))))
-check_p_numbers=1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+check_p_numbers0:=1 2 3 4 5 6 7 8 9
+check_p_numbers1:=0 $(check_p_numbers0)
+check_p_numbers2:=$(foreach i,$(check_p_numbers0),$(addprefix $(i),$(check_p_numbers1)))
+check_p_numbers3:=$(addprefix 0,$(check_p_numbers1)) $(check_p_numbers2)
+check_p_numbers4:=$(foreach i,$(check_p_numbers0),$(addprefix $(i),$(check_p_numbers3)))
+check_p_numbers5:=$(addprefix 0,$(check_p_numbers3)) $(check_p_numbers4)
+check_p_numbers6:=$(foreach i,$(check_p_numbers0),$(addprefix $(i),$(check_p_numbers5)))
+check_p_numbers:=$(check_p_numbers0) $(check_p_numbers2) $(check_p_numbers4) $(check_p_numbers6)
 check_p_subdir=$(subst _,,$*)
-check_p_subdirs=$(wordlist 1,$(words $(check_$*_parallelize)),$(check_p_numbers))
+check_p_subdirs=$(wordlist 1,$(check_p_count),$(wordlist 1, \
+		$(if $(GCC_TEST_PARALLEL_SLOTS),$(GCC_TEST_PARALLEL_SLOTS),128), \
+		$(check_p_numbers)))
 
 # For parallelized check-% targets, this decides whether parallelization
-# is desirable (if -jN is used and RUNTESTFLAGS doesn't contain anything
-# but optional --target_board or --extra_opts arguments).  If desirable,
-# recursive make is run with check-parallel-$lang{,1,2,3,4,5} etc. goals,
-# which can be executed in parallel, as they are run in separate directories.
-# check-parallel-$lang{1,2,3,4,5} etc. goals invoke runtest with the longest
-# running *.exp files from the testsuite, as determined by check_$lang_parallelize
-# variable.  The check-parallel-$lang goal in that case invokes runtest with
-# all the remaining *.exp files not handled by the separate goals.
+# is desirable (if -jN is used).  If desirable, recursive make is run with
+# check-parallel-$lang{,1,2,3,4,5} etc. goals, which can be executed in
+# parallel, as they are run in separate directories.
+# check-parallel-$lang{,1,2,3,4,5} etc. goals invoke runtest with
+# GCC_RUNTEST_PARALLELIZE_DIR var in the environment and runtest_file_p
+# dejaGNU procedure is overridden to additionally synchronize through
+# a $lang-parallel directory which tests will be run by which runtest instance.
 # Afterwards contrib/dg-extract-results.sh is used to merge the sum and log
 # files.  If parallelization isn't desirable, only one recursive make
 # is run with check-parallel-$lang goal and check_$lang_parallelize variable
@@ -3613,76 +3731,60 @@ check_p_subdirs=$(wordlist 1,$(words $(check_$*_parallelize)),$(check_p_numbers)
 # to lang_checks_parallelized variable and define check_$lang_parallelize
 # variable (see above check_gcc_parallelize description).
 $(lang_checks_parallelized): check-% : site.exp
-	@if [ -z "$(filter-out --target_board=%,$(filter-out --extra_opts%,$(RUNTESTFLAGS)))" ] \
-	    && [ "$(filter -j, $(MFLAGS))" = "-j" ]; then \
+	-rm -rf $(TESTSUITEDIR)/$*-parallel
+	@if [ "$(filter -j, $(MFLAGS))" = "-j" ]; then \
+	  test -d $(TESTSUITEDIR) || mkdir $(TESTSUITEDIR) || true; \
+	  test -d $(TESTSUITEDIR)/$*-parallel || mkdir $(TESTSUITEDIR)/$*-parallel || true; \
+	  GCC_RUNTEST_PARALLELIZE_DIR=`${PWD_COMMAND}`/$(TESTSUITEDIR)/$(check_p_tool)-parallel ; \
+	  export GCC_RUNTEST_PARALLELIZE_DIR ; \
 	  $(MAKE) TESTSUITEDIR="$(TESTSUITEDIR)" RUNTESTFLAGS="$(RUNTESTFLAGS)" \
 	    check-parallel-$* \
 	    $(patsubst %,check-parallel-$*_%, $(check_p_subdirs)); \
-	  for file in $(TESTSUITEDIR)/$*/$* \
-		      $(patsubst %,$(TESTSUITEDIR)/$*%/$*,$(check_p_subdirs));\
+	  sums= ; logs= ; \
+	  for dir in $(TESTSUITEDIR)/$* \
+		     $(patsubst %,$(TESTSUITEDIR)/$*%,$(check_p_subdirs));\
 	  do \
-	    mv -f $$file.sum $$file.sum.sep; mv -f $$file.log $$file.log.sep; \
+	    if [ -d $$dir ]; then \
+	      mv -f $$dir/$*.sum $$dir/$*.sum.sep; mv -f $$dir/$*.log $$dir/$*.log.sep; \
+	      sums="$$sums $$dir/$*.sum.sep"; logs="$$logs $$dir/$*.log.sep"; \
+	    fi; \
 	  done; \
-	  $(SHELL) $(srcdir)/../contrib/dg-extract-results.sh \
-	    $(TESTSUITEDIR)/$*/$*.sum.sep \
-	    $(patsubst %,$(TESTSUITEDIR)/$*%/$*.sum.sep,$(check_p_subdirs)) \
+	  $(SHELL) $(srcdir)/../contrib/dg-extract-results.sh $$sums \
 	    > $(TESTSUITEDIR)/$*/$*.sum; \
-	  $(SHELL) $(srcdir)/../contrib/dg-extract-results.sh -L \
-	    $(TESTSUITEDIR)/$*/$*.log.sep \
-	    $(patsubst %,$(TESTSUITEDIR)/$*%/$*.log.sep,$(check_p_subdirs)) \
+	  $(SHELL) $(srcdir)/../contrib/dg-extract-results.sh -L $$logs \
 	    > $(TESTSUITEDIR)/$*/$*.log; \
+	  rm -rf $(TESTSUITEDIR)/$*-parallel || true; \
 	else \
 	  $(MAKE) TESTSUITEDIR="$(TESTSUITEDIR)" RUNTESTFLAGS="$(RUNTESTFLAGS)" \
 	    check_$*_parallelize= check-parallel-$*; \
 	fi
 
-# Just print the parallelized subtargets for those that want to split
-# the testing across machines.
-$(patsubst %,%-subtargets,$(lang_checks_parallelized)): check-%-subtargets:
-	@echo check-parallel-$* \
-	  $(patsubst %,check-parallel-$*_%, $(check_p_subdirs))
-
-# In the if [ -n "$(check_p_subno)" ] case runtest should be given the name of
-# the given *.exp file(s).  See comment above check_gcc_parallelize variable
-# for details on the content of these variables.
-#
-# In the elif [ -n "$(check_p_vars)" ] case runtest should be given
-# names of all the *.exp files for this tool that aren't already handled by
-# other goals.  First it finds all the *.exp files for this tool, then
-# prunes those already specified in check_$lang_parallelize or duplicates.
-#
-# Otherwise check-$lang isn't parallelized and runtest is invoked just with
-# the $(RUNTESTFLAGS) arguments.
 check-parallel-% : site.exp
-	-test -d plugin || mkdir plugin
-	-test -d $(TESTSUITEDIR) || mkdir $(TESTSUITEDIR)
-	test -d $(TESTSUITEDIR)/$(check_p_subdir) || mkdir $(TESTSUITEDIR)/$(check_p_subdir)
-	-(rootme=`${PWD_COMMAND}`; export rootme; \
+	-@test -d plugin || mkdir plugin
+	-@test -d $(TESTSUITEDIR) || mkdir $(TESTSUITEDIR)
+	@test -d $(TESTSUITEDIR)/$(check_p_subdir) || mkdir $(TESTSUITEDIR)/$(check_p_subdir)
+	-$(if $(check_p_subno),@)(rootme=`${PWD_COMMAND}`; export rootme; \
 	srcdir=`cd ${srcdir}; ${PWD_COMMAND}` ; export srcdir ; \
-	cd $(TESTSUITEDIR)/$(check_p_subdir); \
-	rm -f tmp-site.exp; \
-	sed '/set tmpdir/ s|testsuite$$|$(TESTSUITEDIR)/$(check_p_subdir)|' \
+	if [ -n "$(check_p_subno)" ] \
+	   && [ -n "$$GCC_RUNTEST_PARALLELIZE_DIR" ] \
+	   && [ -f $(TESTSUITEDIR)/$(check_p_tool)-parallel/finished ]; then \
+	  rm -rf $(TESTSUITEDIR)/$(check_p_subdir); \
+	else \
+	  cd $(TESTSUITEDIR)/$(check_p_subdir); \
+	  rm -f tmp-site.exp; \
+	  sed '/set tmpdir/ s|testsuite$$|$(TESTSUITEDIR)/$(check_p_subdir)|' \
 		< ../../site.exp > tmp-site.exp; \
-	$(SHELL) $${srcdir}/../move-if-change tmp-site.exp site.exp; \
-	EXPECT=${EXPECT} ; export EXPECT ; \
-	if [ -f $${rootme}/../expect/expect ] ; then  \
-	   TCL_LIBRARY=`cd .. ; cd $${srcdir}/../tcl/library ; ${PWD_COMMAND}` ; \
-	    export TCL_LIBRARY ; fi ; \
-	runtestflags= ; \
-	if [ -n "$(check_p_subno)" ] ; then \
-	  runtestflags="$(check_p_subwork)"; \
-	elif [ -n "$(check_p_vars)" ] ; then \
-	  parts="`echo ' $(strip $(subst $(check_p_comma), ,$(check_p_vars))) ' \
-		  | sed 's/=[^ ]* / /g'`"; \
-	  for part in `find $$srcdir/testsuite/$(check_p_tool)* -name \*.exp` ; do \
-	    part=`basename $$part` ; \
-	    case " $$parts $$runtestflags " in \
-	      *" $$part "*) ;; \
-	      *) runtestflags="$$runtestflags $$part" ;; \
-	    esac ; \
-	  done ; \
-	fi ; \
-	$(RUNTEST) --tool $(check_p_tool) $(RUNTESTFLAGS) $$runtestflags)
+	  $(SHELL) $${srcdir}/../move-if-change tmp-site.exp site.exp; \
+	  EXPECT=${EXPECT} ; export EXPECT ; \
+	  if [ -f $${rootme}/../expect/expect ] ; then  \
+	    TCL_LIBRARY=`cd .. ; cd $${srcdir}/../tcl/library ; ${PWD_COMMAND}` ; \
+	    export TCL_LIBRARY ; \
+	  fi ; \
+	  $(RUNTEST) --tool $(check_p_tool) $(RUNTESTFLAGS); \
+	  if [ -n "$$GCC_RUNTEST_PARALLELIZE_DIR" ] ; then \
+	    touch $${rootme}/$(TESTSUITEDIR)/$(check_p_tool)-parallel/finished; \
+	  fi ; \
+	fi )
 
 # QMTest targets
 
@@ -3755,7 +3857,12 @@ TAGS: lang.tags
 	    incs="$$incs --include $$dir/TAGS.sub";	\
 	  fi;						\
 	done;						\
-	etags -o TAGS.sub c-family/*.h c-family/*.c *.h *.c; \
+	etags -o TAGS.sub c-family/*.h c-family/*.c *.h *.c *.cc \
+	      ../include/*.h \
+	      --language=none --regex="/\(char\|unsigned int\|int\|bool\|void\|HOST_WIDE_INT\|enum [A-Za-z_0-9]+\) [*]?\([A-Za-z_0-9]+\)/\2/" common.opt	\
+	      --language=none --regex="/\(DEF_RTL_EXPR\|DEFTREECODE\|DEFGSCODE\).*(\([A-Za-z_0-9]+\)/\2/" rtl.def tree.def gimple.def \
+	      --language=none --regex="/DEFTIMEVAR (\([A-Za-z_0-9]+\)/\1/" timevar.def \
+		; \
 	etags --include TAGS.sub $$incs)
 
 # -----------------------------------------------------