+2020-04-30 Alex Coplan <alex.coplan@arm.com>
+
+ * config/tc-aarch64.c (fix_insn): Implement for
+ AARCH64_OPND_UNDEFINED.
+ (parse_operands): Implement for AARCH64_OPND_UNDEFINED.
+ * testsuite/gas/aarch64/udf.s: New.
+ * testsuite/gas/aarch64/udf.d: New.
+ * testsuite/gas/aarch64/udf-invalid.s: New.
+ * testsuite/gas/aarch64/udf-invalid.l: New.
+ * testsuite/gas/aarch64/udf-invalid.d: New.
+
+2020-04-30 Yoshinori Sato <ysato@users.sourceforge.jp>
+
+ * config/tc-rx.c (elf_flags): Reset default value.
+ (md_parse_option): For rx-elf Initialize elf_flags with RX_ABI.
+
+2020-04-29 Max Filippov <jcmvbkbc@gmail.com>
+
+ * config/tc-xtensa.c (XTENSA_MARCH_EARLIEST): Define macro as 0
+ if it's not defined.
+ (microarch_earliest): New static variable.
+ (xg_translate_idioms): Translate "simcall" to "simcall 0" when
+ simcall opcode has mandatory parameter.
+ (xg_init_global_config): Initialize microarch_earliest.
+
2020-04-29 Nick Clifton <nickc@redhat.com>
PR 22699