Reuse MinGW from i386 for AArch64

This patch creates a new config/mingw directory to share MinGW
related definitions, and moves there the corresponding existing files
from config/i386.

gcc/ChangeLog:

	* config.gcc: Adjust targets after moving MinGW related files
	from i386 to mingw folder.
	* config/i386/cygming.opt: Move to...
	* config/mingw/cygming.opt: ...here.
	* config/i386/cygming.opt.urls: Move to...
	* config/mingw/cygming.opt.urls: ...here.
	* config/i386/cygwin-d.cc: Move to...
	* config/mingw/cygwin-d.cc: ...here.
	* config/i386/mingw-stdint.h: Move to...
	* config/mingw/mingw-stdint.h: ...here.
	* config/i386/mingw.opt: Move to...
	* config/mingw/mingw.opt: ...here.
	* config/i386/mingw.opt.urls: Move to...
	* config/mingw/mingw.opt.urls: ...here.
	* config/i386/mingw32.h: Move to...
	* config/mingw/mingw32.h: ...here.
	* config/i386/msformat-c.cc: Move to...
	* config/mingw/msformat-c.cc: ...here.
	* config/i386/t-cygming: Move to...
	* config/mingw/t-cygming: ...here and updated.
	* config/i386/winnt-cxx.cc: Move to...
	* config/mingw/winnt-cxx.cc: ...here.
	* config/i386/winnt-d.cc: Move to...
	* config/mingw/winnt-d.cc: ...here.
	* config/i386/winnt-stubs.cc: Move to...
	* config/mingw/winnt-stubs.cc: ...here.
	* config/i386/winnt.cc: Move to...
	* config/mingw/winnt.cc: ...here.

14 files changed, 24 insertions, 21 deletions

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 1dcba6b..f95417c 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2167,9 +2167,9 @@ i[4567]86-wrs-vxworks*|x86_64-wrs-vxworks7*)
 i[34567]86-*-cygwin*)
 	tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/cygming.h i386/cygwin.h i386/cygwin-stdint.h"
 	xm_file=i386/xm-cygwin.h
-	tmake_file="${tmake_file} i386/t-cygming t-slibgcc"
-	target_gtfiles="$target_gtfiles \$(srcdir)/config/i386/winnt.cc"
-	extra_options="${extra_options} i386/cygming.opt i386/cygwin.opt"
+	tmake_file="${tmake_file} mingw/t-cygming t-slibgcc"
+	target_gtfiles="$target_gtfiles \$(srcdir)/config/mingw/winnt.cc"
+	extra_options="${extra_options} mingw/cygming.opt i386/cygwin.opt"
 	extra_objs="${extra_objs} winnt.o winnt-stubs.o"
 	c_target_objs="${c_target_objs} msformat-c.o"
 	cxx_target_objs="${cxx_target_objs} winnt-cxx.o msformat-c.o"
@@ -2185,9 +2185,9 @@ x86_64-*-cygwin*)
 	need_64bit_isa=yes
 	tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/cygming.h i386/cygwin.h i386/cygwin-w64.h i386/cygwin-stdint.h"
 	xm_file=i386/xm-cygwin.h
-	tmake_file="${tmake_file} i386/t-cygming t-slibgcc"
-	target_gtfiles="$target_gtfiles \$(srcdir)/config/i386/winnt.cc"
-	extra_options="${extra_options} i386/cygming.opt i386/cygwin.opt"
+	tmake_file="${tmake_file} mingw/t-cygming t-slibgcc"
+	target_gtfiles="$target_gtfiles \$(srcdir)/config/mingw/winnt.cc"
+	extra_options="${extra_options} mingw/cygming.opt i386/cygwin.opt"
 	extra_objs="${extra_objs} winnt.o winnt-stubs.o"
 	c_target_objs="${c_target_objs} msformat-c.o"
 	cxx_target_objs="${cxx_target_objs} winnt-cxx.o msformat-c.o"
@@ -2223,7 +2223,7 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
 	if test x$enable_threads = xmcf ; then
 		tm_file="${tm_file} i386/mingw-mcfgthread.h"
 	fi
-	tm_file="${tm_file} i386/mingw32.h"
+	tm_file="${tm_file} mingw/mingw32.h"
 	# This makes the logic if mingw's or the w64 feature set has to be used
 	case ${target} in
 		*-w64-*)
@@ -2252,8 +2252,8 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
 		*)
 			;;
 	esac
-	tm_file="${tm_file} i386/mingw-stdint.h"
-	tmake_file="${tmake_file} t-winnt i386/t-cygming t-slibgcc"
+	tm_file="${tm_file} mingw/mingw-stdint.h"
+	tmake_file="${tmake_file} t-winnt mingw/t-cygming t-slibgcc"
         case ${target} in
                x86_64-w64-*)
                		tmake_file="${tmake_file} i386/t-mingw-w64"
@@ -2263,8 +2263,8 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
 			;;
 	esac
         native_system_header_dir=/mingw/include
-	target_gtfiles="$target_gtfiles \$(srcdir)/config/i386/winnt.cc"
-	extra_options="${extra_options} i386/cygming.opt i386/mingw.opt"
+	target_gtfiles="$target_gtfiles \$(srcdir)/config/mingw/winnt.cc"
+	extra_options="${extra_options} mingw/cygming.opt mingw/mingw.opt"
 	case ${target} in
 		*-w64-*)
 			extra_options="${extra_options} i386/mingw-w64.opt"
diff --git a/gcc/config/i386/cygming.opt b/gcc/config/mingw/cygming.opt
index b7b0bc5f6..b7b0bc5f6 100644
--- a/gcc/config/i386/cygming.opt
+++ b/gcc/config/mingw/cygming.opt
diff --git a/gcc/config/i386/cygming.opt.urls b/gcc/config/mingw/cygming.opt.urls
index 87799be..87799be 100644
--- a/gcc/config/i386/cygming.opt.urls
+++ b/gcc/config/mingw/cygming.opt.urls
diff --git a/gcc/config/i386/cygwin-d.cc b/gcc/config/mingw/cygwin-d.cc
index ca341ae..ca341ae 100644
--- a/gcc/config/i386/cygwin-d.cc
+++ b/gcc/config/mingw/cygwin-d.cc
diff --git a/gcc/config/i386/mingw-stdint.h b/gcc/config/mingw/mingw-stdint.h
index c0feade..c0feade 100644
--- a/gcc/config/i386/mingw-stdint.h
+++ b/gcc/config/mingw/mingw-stdint.h
diff --git a/gcc/config/i386/mingw.opt b/gcc/config/mingw/mingw.opt
index ae92059..ae92059 100644
--- a/gcc/config/i386/mingw.opt
+++ b/gcc/config/mingw/mingw.opt
diff --git a/gcc/config/i386/mingw.opt.urls b/gcc/config/mingw/mingw.opt.urls
index 2cbbaad..2cbbaad 100644
--- a/gcc/config/i386/mingw.opt.urls
+++ b/gcc/config/mingw/mingw.opt.urls
diff --git a/gcc/config/i386/mingw32.h b/gcc/config/mingw/mingw32.h
index 58304fc..58304fc 100644
--- a/gcc/config/i386/mingw32.h
+++ b/gcc/config/mingw/mingw32.h
diff --git a/gcc/config/i386/msformat-c.cc b/gcc/config/mingw/msformat-c.cc
index 0767d04..0767d04 100644
--- a/gcc/config/i386/msformat-c.cc
+++ b/gcc/config/mingw/msformat-c.cc
diff --git a/gcc/config/i386/t-cygming b/gcc/config/mingw/t-cygming
index af01f69..f5de941 100644
--- a/gcc/config/i386/t-cygming
+++ b/gcc/config/mingw/t-cygming
@@ -20,37 +20,40 @@
 # doing the build, it may not be installed yet.
 LIMITS_H_TEST = true
 
-winnt.o: $(srcdir)/config/i386/winnt.cc $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+winnt.o: $(srcdir)/config/mingw/winnt.cc $(CONFIG_H) $(SYSTEM_H) coretypes.h \
   $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
   $(TM_P_H) $(HASH_TABLE_H) $(GGC_H) $(LTO_STREAMER_H)
 	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-	$(srcdir)/config/i386/winnt.cc
+	$(srcdir)/config/mingw/winnt.cc
 
-winnt-cxx.o: $(srcdir)/config/i386/winnt-cxx.cc $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+winnt-cxx.o: $(srcdir)/config/mingw/winnt-cxx.cc $(CONFIG_H) $(SYSTEM_H) \
+  coretypes.h \
   $(TM_H) $(TREE_H) flags.h \
   $(TM_P_H) $(HASHTAB_H) $(GGC_H)
 	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-	$(srcdir)/config/i386/winnt-cxx.cc
+	$(srcdir)/config/mingw/winnt-cxx.cc
 
 
-winnt-stubs.o: $(srcdir)/config/i386/winnt-stubs.cc $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+winnt-stubs.o: $(srcdir)/config/mingw/winnt-stubs.cc $(CONFIG_H) $(SYSTEM_H) \
+  coretypes.h \
   $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
   $(TM_P_H) $(HASHTAB_H) $(GGC_H)
 	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-	$(srcdir)/config/i386/winnt-stubs.cc
+	$(srcdir)/config/mingw/winnt-stubs.cc
 
-cygwin-d.o: $(srcdir)/config/i386/cygwin-d.cc
+cygwin-d.o: $(srcdir)/config/mingw/cygwin-d.cc
 	$(COMPILE) $<
 	$(POSTCOMPILE)
 
-winnt-d.o: $(srcdir)/config/i386/winnt-d.cc
+winnt-d.o: $(srcdir)/config/mingw/winnt-d.cc
 	$(COMPILE) $<
 	$(POSTCOMPILE)
 
-msformat-c.o: $(srcdir)/config/i386/msformat-c.cc $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+msformat-c.o: $(srcdir)/config/mingw/msformat-c.cc $(CONFIG_H) $(SYSTEM_H) \
+  coretypes.h \
   $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
   $(TM_P_H) $(HASHTAB_H) $(GGC_H)
 	$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
-	$(srcdir)/config/i386/msformat-c.cc
+	$(srcdir)/config/mingw/msformat-c.cc
 
 STMP_FIXINC=stmp-fixinc
diff --git a/gcc/config/i386/winnt-cxx.cc b/gcc/config/mingw/winnt-cxx.cc
index f4d7a50..f4d7a50 100644
--- a/gcc/config/i386/winnt-cxx.cc
+++ b/gcc/config/mingw/winnt-cxx.cc
diff --git a/gcc/config/i386/winnt-d.cc b/gcc/config/mingw/winnt-d.cc
index e4981a1..e4981a1 100644
--- a/gcc/config/i386/winnt-d.cc
+++ b/gcc/config/mingw/winnt-d.cc
diff --git a/gcc/config/i386/winnt-stubs.cc b/gcc/config/mingw/winnt-stubs.cc
index dd6aa6f..dd6aa6f 100644
--- a/gcc/config/i386/winnt-stubs.cc
+++ b/gcc/config/mingw/winnt-stubs.cc
diff --git a/gcc/config/i386/winnt.cc b/gcc/config/mingw/winnt.cc
index 9b31589..9b31589 100644
--- a/gcc/config/i386/winnt.cc
+++ b/gcc/config/mingw/winnt.cc