2012-01-05 Richard Guenther <rguenther@suse.de>

	PR lto/50490
	* tree-streamer-out.c (write_ts_optimization): New function.
	(streamer_write_tree_body): Call it.
	* tree-streamer-in.c (lto_input_ts_optimization): New function.
	(streamer_read_tree_body): Call it.
	* lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182917 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 24 insertions, 0 deletions

diff --git a/gcc/tree-streamer-out.c b/gcc/tree-streamer-out.c
index 17b5be78c7c..df8b92aa102 100644
--- a/gcc/tree-streamer-out.c
+++ b/gcc/tree-streamer-out.c
@@ -767,6 +767,27 @@ write_ts_target_option (struct output_block *ob, tree expr)
   streamer_write_bitpack (&bp);
 }
 
+/* Write a TS_OPTIMIZATION tree in EXPR to OB.  */
+
+static void
+write_ts_optimization (struct output_block *ob, tree expr)
+{
+  struct cl_optimization *t = TREE_OPTIMIZATION (expr);
+  struct bitpack_d bp;
+  unsigned i, len;
+
+  /* The cl_optimizaation is generated by the options
+     awk script, so we just recreate a byte-by-byte copy here. */
+
+  bp = bitpack_create (ob->main_stream);
+  len = sizeof (struct cl_optimization);
+  for (i = 0; i < len; i++)
+    bp_pack_value (&bp, ((unsigned char *)t)[i], 8);
+  /* Catch struct size mismatches between reader and writer. */
+  bp_pack_value (&bp, 0x12345678, 32);
+  streamer_write_bitpack (&bp);
+}
+
 /* Write a TS_TRANSLATION_UNIT_DECL tree in EXPR to OB.  */
 
 static void
@@ -841,6 +862,9 @@ streamer_write_tree_body (struct output_block *ob, tree expr, bool ref_p)
   if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
     write_ts_target_option (ob, expr);
 
+  if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
+    write_ts_optimization (ob, expr);
+
   if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
     write_ts_translation_unit_decl_tree_pointers (ob, expr);
 }