dwarf2out.c (need_endianity_attribute_p): New inline predicate.

	* dwarf2out.c (need_endianity_attribute_p): New inline predicate.
	(base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
	the DIE accordingly.
	(modified_type_die): Add REVERSE parameter and pass it recursively,
	as well as to base_type_die.  Adjust presence check accordingly.
	(base_type_for_mode): Adjust call to modified_type_die.
	(add_type_attribute): Add REVERSE parameter and pass it to
	modified_type_die.
	(generic_parameter_die): Adjust call to add_type_attribute.
	(add_scalar_info): Likewise.
	(add_subscript_info): Likewise.
	(gen_array_type_die): Likewise.
	(gen_descr_array_type_die): Likewise.
	(gen_entry_point_die): Likewise.
	(gen_enumeration_type_die): Likewise.
	(gen_formal_parameter_die): Likewise.
	(gen_subprogram_die): Likewise.
	(gen_variable_die ): Likewise.
	(gen_const_die): Likewise.
	(gen_field_die): Likewise.
	(gen_pointer_type_die): Likewise.
	(gen_reference_type_die): Likewise.
	(gen_ptr_to_mbr_type_die): Likewise.
	(gen_inheritance_die): Likewise.
	(gen_subroutine_type_die): Likewise.
	(gen_typedef_die): Likewise.
	(force_type_die): Adjust call to modified_type_die.

From-SVN: r232585

gcc/ChangeLog

+2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* dwarf2out.c (need_endianity_attribute_p): New inline predicate.
+	(base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
+	the DIE accordingly.
+	(modified_type_die): Add REVERSE parameter and pass it recursively,
+	as well as to base_type_die.  Adjust presence check accordingly.
+	(base_type_for_mode): Adjust call to modified_type_die.
+	(add_type_attribute): Add REVERSE parameter and pass it to
+	modified_type_die.
+	(generic_parameter_die): Adjust call to add_type_attribute.
+	(add_scalar_info): Likewise.
+	(add_subscript_info): Likewise.
+	(gen_array_type_die): Likewise.
+	(gen_descr_array_type_die): Likewise.
+	(gen_entry_point_die): Likewise.
+	(gen_enumeration_type_die): Likewise.
+	(gen_formal_parameter_die): Likewise.
+	(gen_subprogram_die): Likewise.
+	(gen_variable_die ): Likewise.
+	(gen_const_die): Likewise.
+	(gen_field_die): Likewise.
+	(gen_pointer_type_die): Likewise.
+	(gen_reference_type_die): Likewise.
+	(gen_ptr_to_mbr_type_die): Likewise.
+	(gen_inheritance_die): Likewise.
+	(gen_subroutine_type_die): Likewise.
+	(gen_typedef_die): Likewise.
+	(force_type_die): Adjust call to modified_type_die.
+
 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
 
 	* doc/standards.texi: Copy-editing for grammar, markup, and sentence

gcc/testsuite/ChangeLog

+2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc.dg/debug/dwarf2/sso.c: New test.
+
 2016-01-19  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR testsuite/68820

gcc/testsuite/gcc.dg/debug/dwarf2/sso.c

+/* { dg-do compile } */
+/* { dg-options "-gdwarf-3 -dA" } */
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define REVERSE_SSO __attribute__((scalar_storage_order("big-endian")));
+#else
+#define REVERSE_SSO __attribute__((scalar_storage_order("little-endian")));
+#endif
+
+struct S0 { int i; };
+
+struct S1 { int i; struct S0 s; } REVERSE_SSO;
+
+struct S2 { int a[4]; struct S0 s; } REVERSE_SSO;
+
+struct S0 s0;
+struct S1 s1;
+struct S2 s2;
+
+/* Verify that we have endianity on the common base type of 'i' in S1 and of
+   the element of 'a' in S2.  */
+/* { dg-final { scan-assembler-times " DW_AT_endianity" 1 } } */