[hsa] Fail in presence of atomic operations in private segment

2016-02-26  Martin Jambor  <mjambor@suse.cz>

	* hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
	atomic operations in private segment.

From-SVN: r233748

gcc/ChangeLog

 2016-02-26  Martin Jambor  <mjambor@suse.cz>
 
+	* hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
+	atomic operations in private segment.
+
+2016-02-26  Martin Jambor  <mjambor@suse.cz>
+
 	* omp-low.c (grid_find_ungridifiable_statement): Store problematic
 	statements to wi->info.  Also disallow omp simd constructs.
 	(grid_target_follows_gridifiable_pattern): Use wi.info to dump reason

gcc/hsa-gen.c

@@ -4557,8 +4557,13 @@ gen_hsa_ternary_atomic_for_builtin (bool ret_orig,
 
   hsa_op_address *addr;
   addr = get_address_from_value (gimple_call_arg (stmt, 0), hbb);
-  /* TODO: Warn if addr has private segment, because the finalizer will not
-     accept that (and it does not make much sense).  */
+  if (addr->m_symbol && addr->m_symbol->m_segment == BRIG_SEGMENT_PRIVATE)
+    {
+      HSA_SORRY_AT (gimple_location (stmt),
+		    "HSA does not implement atomic operations in private "
+		    "segment");
+      return;
+    }
   hsa_op_base *op = hsa_reg_or_immed_for_gimple_op (gimple_call_arg (stmt, 1),
 						    hbb);