+2019-01-25 Sudakshina Das <sudi.das@arm.com>
+
+ * config/tc-aarch64.c (warn_unpredictable_ldst): Exempt
+ stg, st2g, stzg and stz2g from Xt == Xn with writeback warning.
+ * testsuite/gas/aarch64/armv8_5-a-memtag.d: Change tests for
+ stg, stzg, st2g and stz2g.
+ * testsuite/gas/aarch64/armv8_5-a-memtag.s: Likewise.
+ * testsuite/gas/aarch64/illegal-memtag.l: Likewise.
+ * testsuite/gas/aarch64/illegal-memtag.s: Likewise.
+
+2019-01-25 Sudakshina Das <sudi.das@arm.com>
+
+ * testsuite/gas/aarch64/armv8_5-a-memtag.d: New tests for stzgm.
+ * testsuite/gas/aarch64/armv8_5-a-memtag.s: Likewise.
+ * testsuite/gas/aarch64/illegal-memtag.l: Likewise.
+ * testsuite/gas/aarch64/illegal-memtag.s: Likewise.
+
+2019-01-25 Sudakshina Das <sudi.das@arm.com>
+ Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ * config/tc-aarch64.c (parse_address_main): Remove support for
+ [base]! address expression.
+ (parse_operands): Remove support for AARCH64_OPND_ADDR_SIMPLE_2.
+ (warn_unpredictable_ldst): Remove support for ldstgv_indexed.
+ * testsuite/gas/aarch64/armv8_5-a-memtag.d: Remove tests for ldgv
+ and stgv.
+ * testsuite/gas/aarch64/armv8_5-a-memtag.s: Likewise.
+ * testsuite/gas/aarch64/illegal-memtag.l: Likewise.
+ * testsuite/gas/aarch64/illegal-memtag.s: Likewise.
+
2019-01-25 Wu Heng <wu.heng@zte.com.cn>
PR gas/23940