re PR middle-end/64412 (ICE in offload compiler: in extract_insn, at recog.c:2327)

	PR middle-end/64412
	* lto-streamer.h (lto_stream_offload_p): New declaration.
	* lto-streamer.c (lto_stream_offload_p): New variable.
	* cgraphunit.c (ipa_passes): Set lto_stream_offload_p
	at the same time as section_name_prefix.
	* lto-streamer-out.c (hash_tree): Don't hash TREE_TARGET_OPTION
	if lto_stream_offload_p.
	* tree-streamer-out.c (streamer_pack_tree_bitfields): Don't
	stream TREE_TARGET_OPTION if lto_stream_offload_p.
	(write_ts_function_decl_tree_pointers): Don't
	stream DECL_FUNCTION_SPECIFIC_TARGET if lto_stream_offload_p.
	* tree-streamer-in.c (unpack_value_fields): Don't stream
	TREE_TARGET_OPTION in if ACCEL_COMPILER.
	(lto_input_ts_function_decl_tree_pointers): Don't stream
	DECL_FUNCTION_SPECIFIC_TARGET in if ACCEL_COMPILER.
	* lto-opts.c (lto_write_options): Use lto_stream_offload_p
	instead of section_name_prefix string comparisons.
lto/
	* lto.c (read_cgraph_and_symbols): Set lto_stream_offload_p
	if ACCEL_COMPILER.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r219410

gcc/ChangeLog

+2015-01-09  Bernd Schmidt  <bernds@codesourcery.com>
+	    Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/64412
+	* lto-streamer.h (lto_stream_offload_p): New declaration.
+	* lto-streamer.c (lto_stream_offload_p): New variable.
+	* cgraphunit.c (ipa_passes): Set lto_stream_offload_p
+	at the same time as section_name_prefix.
+	* lto-streamer-out.c (hash_tree): Don't hash TREE_TARGET_OPTION
+	if lto_stream_offload_p.
+	* tree-streamer-out.c (streamer_pack_tree_bitfields): Don't
+	stream TREE_TARGET_OPTION if lto_stream_offload_p.
+	(write_ts_function_decl_tree_pointers): Don't
+	stream DECL_FUNCTION_SPECIFIC_TARGET if lto_stream_offload_p.
+	* tree-streamer-in.c (unpack_value_fields): Don't stream
+	TREE_TARGET_OPTION in if ACCEL_COMPILER.
+	(lto_input_ts_function_decl_tree_pointers): Don't stream
+	DECL_FUNCTION_SPECIFIC_TARGET in if ACCEL_COMPILER.
+	* lto-opts.c (lto_write_options): Use lto_stream_offload_p
+	instead of section_name_prefix string comparisons.
+
 2015-01-09  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/64536

gcc/cgraphunit.c

@@ -2114,11 +2114,14 @@ ipa_passes (void)
       if (g->have_offload)
 	{
 	  section_name_prefix = OFFLOAD_SECTION_NAME_PREFIX;
+	  lto_stream_offload_p = true;
 	  ipa_write_summaries (true);
+	  lto_stream_offload_p = false;
 	}
       if (flag_lto)
 	{
 	  section_name_prefix = LTO_SECTION_NAME_PREFIX;
+	  lto_stream_offload_p = false;
 	  ipa_write_summaries (false);
 	}
     }

gcc/lto-opts.c

@@ -167,7 +167,7 @@ lto_write_options (void)
 			       "-fno-strict-overflow");
 
   /* Append options from target hook and store them to offload_lto section.  */
-  if (strcmp (section_name_prefix, OFFLOAD_SECTION_NAME_PREFIX) == 0)
+  if (lto_stream_offload_p)
     {
       char *offload_opts = targetm.offload_options ();
       char *offload_ptr = offload_opts;
@@ -208,7 +208,7 @@ lto_write_options (void)
 
       /* Do not store target-specific options in offload_lto section.  */
       if ((cl_options[option->opt_index].flags & CL_TARGET)
-	 && strcmp (section_name_prefix, OFFLOAD_SECTION_NAME_PREFIX) == 0)
+	  && lto_stream_offload_p)
        continue;
 
       /* Drop options created from the gcc driver that will be rejected
@@ -221,8 +221,7 @@ lto_write_options (void)
 	 We do not need those.  The only exception is -foffload option, if we
 	 write it in offload_lto section.  Also drop all diagnostic options.  */
       if ((cl_options[option->opt_index].flags & (CL_DRIVER|CL_WARNING))
-	  && (strcmp (section_name_prefix, OFFLOAD_SECTION_NAME_PREFIX) != 0
-	      || option->opt_index != OPT_foffload_))
+	  && (!lto_stream_offload_p || option->opt_index != OPT_foffload_))
 	continue;
 
       for (j = 0; j < option->canonical_option_num_elements; ++j)

gcc/lto-streamer-out.c

@@ -949,7 +949,9 @@ hash_tree (struct streamer_tree_cache_d *cache, hash_map<tree, hashval_t> *map,
     hstate.add (TRANSLATION_UNIT_LANGUAGE (t),
 			strlen (TRANSLATION_UNIT_LANGUAGE (t)));
 
-  if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
+  if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
+      /* We don't stream these when passing things to a different target.  */
+      && !lto_stream_offload_p)
     hstate.add_wide_int (cl_target_option_hash (TREE_TARGET_OPTION (t)));
 
   if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))

gcc/lto-streamer.c

@@ -67,6 +67,8 @@ static bitmap_obstack lto_obstack;
 static bool lto_obstack_initialized;
 
 const char *section_name_prefix = LTO_SECTION_NAME_PREFIX;
+/* Set when streaming LTO for offloading compiler.  */
+bool lto_stream_offload_p;
 
 /* Return a string representing LTO tag TAG.  */
 

gcc/lto-streamer.h

@@ -744,6 +744,10 @@ extern void lto_append_block (struct lto_output_stream *);
 
 
 /* In lto-streamer.c.  */
+
+/* Set when streaming LTO for offloading compiler.  */
+extern bool lto_stream_offload_p;
+
 extern const char *lto_tag_name (enum LTO_tags);
 extern bitmap lto_bitmap_alloc (void);
 extern void lto_bitmap_free (bitmap);

gcc/lto/ChangeLog

+2015-01-09  Bernd Schmidt  <bernds@codesourcery.com>
+	    Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/64412
+	* lto.c (read_cgraph_and_symbols): Set lto_stream_offload_p
+	if ACCEL_COMPILER.
+
 2015-01-09  Michael Collison  <michael.collison@linaro.org>
 
 	* lto.c: Include hash-set.h, machmode.h, vec.h, double-int.h,

gcc/lto/lto.c

@@ -2909,7 +2909,8 @@ read_cgraph_and_symbols (unsigned nfiles, const char **fnames)
   timevar_push (TV_IPA_LTO_DECL_IN);
 
 #ifdef ACCEL_COMPILER
-    section_name_prefix = OFFLOAD_SECTION_NAME_PREFIX;
+  section_name_prefix = OFFLOAD_SECTION_NAME_PREFIX;
+  lto_stream_offload_p = true;
 #endif
 
   real_file_decl_data

gcc/tree-streamer-in.c

@@ -529,8 +529,10 @@ unpack_value_fields (struct data_in *data_in, struct bitpack_d *bp, tree expr)
 	vec_safe_grow (CONSTRUCTOR_ELTS (expr), length);
     }
 
+#ifndef ACCEL_COMPILER
   if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
     cl_target_option_stream_in (data_in, bp, TREE_TARGET_OPTION (expr));
+#endif
 
   if (code == OMP_CLAUSE)
     unpack_ts_omp_clause_value_fields (data_in, bp, expr);
@@ -794,7 +796,9 @@ lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib,
   DECL_VINDEX (expr) = stream_read_tree (ib, data_in);
   /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body.  */
   DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in);
+#ifndef ACCEL_COMPILER
   DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in);
+#endif
   DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in);
 
   /* If the file contains a function with an EH personality set,

gcc/tree-streamer-out.c

@@ -480,7 +480,9 @@ streamer_pack_tree_bitfields (struct output_block *ob,
   if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
     bp_pack_var_len_unsigned (bp, CONSTRUCTOR_NELTS (expr));
 
-  if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
+  if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
+      /* Don't stream these when passing things to a different target.  */
+      && !lto_stream_offload_p)
     cl_target_option_stream_out (ob, bp, TREE_TARGET_OPTION (expr));
 
   if (code == OMP_CLAUSE)
@@ -695,7 +697,9 @@ write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr,
   stream_write_tree (ob, DECL_VINDEX (expr), ref_p);
   /* DECL_STRUCT_FUNCTION is handled by lto_output_function.  */
   stream_write_tree (ob, DECL_FUNCTION_PERSONALITY (expr), ref_p);
-  stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr), ref_p);
+  /* Don't stream these when passing things to a different target.  */
+  if (!lto_stream_offload_p)
+    stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr), ref_p);
   stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr), ref_p);
 }