re PR target/78478 (Compile Error for i386-rtems)

	PR target/78478
	Revert:
	2013-11-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.

From-SVN: r244653

gcc/ChangeLog

+2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/78478
+	Revert:
+	2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
+
 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
 
 	* config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):

gcc/config/i386/rtemself.h

@@ -28,6 +28,3 @@ along with GCC; see the file COPYING3.  If not see
 	builtin_assert ("system=rtems");	\
     }						\
   while (0)
-
-#undef LONG_DOUBLE_TYPE_SIZE
-#define LONG_DOUBLE_TYPE_SIZE (TARGET_80387 ? 80 : 64)