Add Go frontend, libgo library, and Go testsuite.

gcc/:
	* gcc.c (default_compilers): Add entry for ".go".
	* common.opt: Add -static-libgo as a driver option.
	* doc/install.texi (Configuration): Mention libgo as an option for
	--enable-shared.  Mention go as an option for --enable-languages.
	* doc/invoke.texi (Overall Options): Mention .go as a file name
	suffix.  Mention go as a -x option.
	* doc/frontends.texi (G++ and GCC): Mention Go as a supported
	language.
	* doc/sourcebuild.texi (Top Level): Mention libgo.
	* doc/standards.texi (Standards): Add section on Go language.
	Move references for other languages into their own section.
	* doc/contrib.texi (Contributors): Mention that I contributed the
	Go frontend.
gcc/testsuite/:
	* lib/go.exp: New file.
	* lib/go-dg.exp: New file.
	* lib/go-torture.exp: New file.
	* lib/target-supports.exp (check_compile): Match // Go.

From-SVN: r167407

1 files changed, 32 insertions, 0 deletions

diff --git a/libgo/runtime/go-construct-map.c b/libgo/runtime/go-construct-map.c
new file mode 100644
index 0000000..15497ea
--- /dev/null
+++ b/libgo/runtime/go-construct-map.c
@@ -0,0 +1,32 @@
+/* go-construct-map.c -- construct a map from an initializer.
+
+   Copyright 2009 The Go Authors. All rights reserved.
+   Use of this source code is governed by a BSD-style
+   license that can be found in the LICENSE file.  */
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "map.h"
+
+struct __go_map *
+__go_construct_map (const struct __go_map_descriptor *descriptor,
+		    size_t count, size_t entry_size, size_t val_offset,
+		    size_t val_size, const void *ventries)
+{
+  struct __go_map *ret;
+  const unsigned char *entries;
+  size_t i;
+
+  ret = __go_new_map (descriptor, count);
+
+  entries = (const unsigned char *) ventries;
+  for (i = 0; i < count; ++i)
+    {
+      void *val = __go_map_index (ret, entries, 1);
+      __builtin_memcpy (val, entries + val_offset, val_size);
+      entries += entry_size;
+    }
+
+  return ret;
+}