+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
+ * config/tc-sh.c (build_Mytes): Change operand type IMM0_8 to
+ IMM0_8S and add support for IMM0_8U.
+ * testsuite/gas/sh/sh4a.s: Add test of a logical insn using an
+ unsigned 8-bit immediate.
+ * testsuite/gas/sh/sh4a.d: Extended expected disassembly.
+ * testsuite/gas/sh/sh4al-dsp.d: Update expected disassembly.
+
+2020-04-27 Tamar Christina <tamar.christina@arm.com>
+
+ * NEWS: Add news entry for big-obj.
+ * config/tc-i386.c (i386_target_format): Support new format.
+ * doc/c-i386.texi: Add i386 support.
+ * testsuite/gas/pe/big-obj.d: Rename test to not be x64 specific.
+ * testsuite/gas/pe/pe.exp (big-obj): Make test run on i386 as well.
+
+2020-04-27 Nick Clifton <nickc@redhat.com>
+
+ PR 25878
+ * dwarf2dbg.c (struct file_entry): Add auto_assigned field.
+ (assign_file_to_slot): New function. Fills in an entry in the
+ files table.
+ (allocate_filenum): Use new function.
+ (allocate_filename_to_slot): Use new function. If the specified
+ slot entry is already in use, but was chosen automatically then
+ reassign the automatic entry.
+
+2020-04-26 Hongtao Liu <hongtao.liu@intel.com
+
+ * config/tc-i386.c (lfence_before_ret_shl): New member.
+ (load_insn_p): implict load for POP/POPA/POPF/XLATB, no load
+ for Anysize insns.
+ (insert_after_load): Issue warning for REP CMPS/SCAS.
+ (insert_before_before): Handle iret, Handle
+ -mlfence-before-ret=shl, Adjust operand size of or/not/shl to ret's,
+ (md_parse_option): Change -mlfence-before-ret=[none|not|or] to
+ -mlfence-before-ret=[none/not/or/shl/yes].
+ Enable -mlfence-before-ret=shl when
+ -mlfence-beofre-indirect-branch=all and no explict -mlfence-before-ret option.
+ (md_show_usage): Ditto.
+ * doc/c-i386.texi: Ditto.
+ * testsuite/gas/i386/i386.exp: Add new testcases.
+ * testsuite/gas/i386/lfence-load-b.d: New.
+ * testsuite/gas/i386/lfence-load-b.e: New.
+ * testsuite/gas/i386/lfence-load.d: Modified.
+ * testsuite/gas/i386/lfence-load.e: New.
+ * testsuite/gas/i386/lfence-load.s: Modified.
+ * testsuite/gas/i386/lfence-ret-a.d: Modified.
+ * testsuite/gas/i386/lfence-ret-b.d: Modified.
+ * testsuite/gas/i386/lfence-ret-c.d: New.
+ * testsuite/gas/i386/lfence-ret-d.d: New.
+ * testsuite/gas/i386/lfence-ret.s: Modified.
+ * testsuite/gas/i386/x86-64-lfence-load-b.d: New.
+ * testsuite/gas/i386/x86-64-lfence-load.d: Modified.
+ * testsuite/gas/i386/x86-64-lfence-load.s: Modified.
+ * testsuite/gas/i386/x86-64-lfence-ret-a.d: Modified.
+ * testsuite/gas/i386/x86-64-lfence-ret-b.d: Modified.
+ * testsuite/gas/i386/x86-64-lfence-ret-c.d: New.
+ * testsuite/gas/i386/x86-64-lfence-ret-d.d: New
+ * testsuite/gas/i386/x86-64-lfence-ret-e.d: New.
+ * testsuite/gas/i386/x86-64-lfence-ret.e: New.
+ * testsuite/gas/i386/x86-64-lfence-ret.s: New.
+
+2020-04-22 Max Filippov <jcmvbkbc@gmail.com>
+
+ PR ld/25861
+ * config/tc-xtensa.c (md_apply_fix): Replace
+ BFD_RELOC_XTENSA_DIFF{8,16,32} generation with
+ BFD_RELOC_XTENSA_PDIFF{8,16,32} and
+ BFD_RELOC_XTENSA_NDIFF{8,16,32} generation.
+ * testsuite/gas/xtensa/loc.d: Replace BFD_RELOC_XTENSA_DIFF16
+ with BFD_RELOC_XTENSA_PDIFF16 in the expected output.
+
+2020-04-22 Alan Modra <amodra@gmail.com>
+
+ * config/obj-elf.c (elf_frob_symbol): Unconditionally remove
+ symbol for ".symver .. remove".
+ * doc/as.texi (.symver): Update.
+ * testsuite/gas/symver/symver11.s: Make foo weak.
+ * testsuite/gas/symver/symver11.d: Expect an error.
+ * testsuite/gas/symver/symver7.d: Allow other random symbols.
+
2020-04-21 H.J. Lu <hongjiu.lu@intel.com>
* testsuite/gas/symver/symver11.s: Add ".balign 8".