+2020-03-25 J.W. Jagersma <jwjagersma@gmail.com>
+
+ * config/obj-coff.c (obj_coff_section): Set the bss flag on
+ sections with the "b" attribute.
+
+2020-03-22 Alan Modra <amodra@gmail.com>
+
+ * testsuite/gas/s12z/truncated.d: Update expected output.
+
+2020-03-17 Sergey Belyashov <sergey.belyashov@gmail.com>
+
+ PR 25690
+ * config/tc-z80.c (md_pseudo_table): Add xdef anf xref pseudo ops.
+ * doc/c-z80.texi: Update documentation.
+
+2020-03-17 Sergey Belyashov <sergey.belyashov@gmail.com>
+
+ PR 25641
+ PR 25668
+ PR 25633
+ Fix disassembling ED+A4/AC/B4/BC opcodes.
+ Fix assembling lines containing colonless label and instruction
+ with first operand inside parentheses.
+ Fix registration of unsupported by target CPU registers.
+ * config/tc-z80.c: See above.
+ * config/tc-z80.h: See above.
+ * testsuite/gas/z80/colonless.d: Update test.
+ * testsuite/gas/z80/colonless.s: Likewise.
+ * testsuite/gas/z80/ez80_adl_all.d: Likewise.
+ * testsuite/gas/z80/ez80_unsup_regs.d: Likewise.
+ * testsuite/gas/z80/ez80_z80_all.d: Likewise.
+ * testsuite/gas/z80/gbz80_unsup_regs.d: Likewise.
+ * testsuite/gas/z80/r800_unsup_regs.d: Likewise.
+ * testsuite/gas/z80/unsup_regs.s: Likewise.
+ * testsuite/gas/z80/z180_unsup_regs.d: Likewise.
+ * testsuite/gas/z80/z80.exp: Likewise.
+ * testsuite/gas/z80/z80_strict_unsup_regs.d: Likewise.
+ * testsuite/gas/z80/z80_unsup_regs.d: Likewise.
+ * testsuite/gas/z80/z80n_unsup_regs.d: Likewise.
+
+2020-03-13 Andre Vieira <andre.simoesdiasvieira@arm.com>
+
+ PR 25660
+ * config/tc-arm.c (operand_parse_code): Add OP_RNSDMQR and OP_oRNSDMQ.
+ (parse_operands): Handle new operand codes.
+ (do_neon_dyadic_long): Make shape check accept the scalar variants.
+ (asm_opcode_insns): Fix operand codes for vaddl and vsubl.
+ * testsuite/gas/arm/mve-vaddsub-it.s: New test.
+ * testsuite/gas/arm/mve-vaddsub-it.d: New test.
+ * testsuite/gas/arm/mve-vaddsub-it-bad.s: New test.
+ * testsuite/gas/arm/mve-vaddsub-it-bad.l: New test.
+ * testsuite/gas/arm/mve-vaddsub-it-bad.d: New test.
+ * testsuite/gas/arm/nomve-vaddsub-it.d: New test.
+
+2020-03-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * NEWS: Mention x86 assembler options for CVE-2020-0551.
+
+2020-03-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * testsuite/gas/i386/i386.exp: Run new tests.
+ * testsuite/gas/i386/lfence-byte.d: New file.
+ * testsuite/gas/i386/lfence-byte.e: Likewise.
+ * testsuite/gas/i386/lfence-byte.s: Likewise.
+ * testsuite/gas/i386/lfence-indbr-a.d: Likewise.
+ * testsuite/gas/i386/lfence-indbr-b.d: Likewise.
+ * testsuite/gas/i386/lfence-indbr-c.d: Likewise.
+ * testsuite/gas/i386/lfence-indbr.e: Likewise.
+ * testsuite/gas/i386/lfence-indbr.s: Likewise.
+ * testsuite/gas/i386/lfence-load.d: Likewise.
+ * testsuite/gas/i386/lfence-load.s: Likewise.
+ * testsuite/gas/i386/lfence-ret-a.d: Likewise.
+ * testsuite/gas/i386/lfence-ret-b.d: Likewise.
+ * testsuite/gas/i386/lfence-ret.s: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-byte.d: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-byte.e: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-byte.s: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-indbr-a.d: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-indbr-b.d: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-indbr-c.d: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-indbr.e: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-indbr.s: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-load.d: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-load.s: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-ret-a.d: Likewise.
+ * testsuite/gas/i386/x86-64-lfence-ret-b.d: Likewise.
+
+2020-03-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/tc-i386.c (lfence_after_load): New.
+ (lfence_before_indirect_branch_kind): New.
+ (lfence_before_indirect_branch): New.
+ (lfence_before_ret_kind): New.
+ (lfence_before_ret): New.
+ (last_insn): New.
+ (load_insn_p): New.
+ (insert_lfence_after): New.
+ (insert_lfence_before): New.
+ (md_assemble): Call insert_lfence_before and insert_lfence_after.
+ Set last_insn.
+ (OPTION_MLFENCE_AFTER_LOAD): New.
+ (OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH): New.
+ (OPTION_MLFENCE_BEFORE_RET): New.
+ (md_longopts): Add -mlfence-after-load=,
+ -mlfence-before-indirect-branch= and -mlfence-before-ret=.
+ (md_parse_option): Handle -mlfence-after-load=,
+ -mlfence-before-indirect-branch= and -mlfence-before-ret=.
+ (md_show_usage): Display -mlfence-after-load=,
+ -mlfence-before-indirect-branch= and -mlfence-before-ret=.
+ (i386_cons_align): New.
+ * config/tc-i386.h (i386_cons_align): New.
+ (md_cons_align): New.
+ * doc/c-i386.texi: Document -mlfence-after-load=,
+ -mlfence-before-indirect-branch= and -mlfence-before-ret=.
+
+2020-03-11 Nick Clifton <nickc@redhat.com>
+
+ PR 25611
+ PR 25614
+ * dwarf2dbg.c (DWARF2_FILE_TIME_NAME): Default to -1.
+ (DWARF2_FILE_SIZE_NAME): Default to -1.
+ (DWARF2_LINE_VERSION): Default to the current dwarf level or 3,
+ whichever is higher.
+ (DWARF2_LINE_MAX_OPS_PER_INSN): Provide a default value of 1.
+ (NUM_MD5_BYTES): Define.
+ (struct file entry): Add md5 field.
+ (get_filenum): Delete and replace with...
+ (get_basename): New function.
+ (get_directory_table_entry): New function.
+ (allocate_filenum): New function.
+ (allocate_filename_to_slot): New function.
+ (dwarf2_where): Use new functions.
+ (dwarf2_directive_filename): Add support for extended .file
+ pseudo-op.
+ (dwarf2_directive_loc): Allow the use of file number zero with
+ DWARF 5 or higher.
+ (out_file_list): Rename to...
+ (out_dir_and_file_list): Add DWARF 5 support.
+ (out_debug_line): Emit extra values into the section header for
+ DWARF 5.
+ (out_debug_str): Allow for file 0 to be used with DWARF 5.
+ * doc/as.texi (.file): Update the description of this pseudo-op.
+ * testsuite/gas/elf-dwarf-5-file0.s: Add more lines.
+ * testsuite/gas/elf-dwarf-5-file0.d: Update expected dump output.
+ * testsuite/gas/lns/lns-diag-1.l: Update expected error message.
+ * NEWS: Mention the new feature.
+
+2020-03-10 Alan Modra <amodra@gmail.com>
+
+ * config/tc-csky.c (get_operand_value): Rewrite 1 << 31 expressions
+ to avoid signed overflow.
+ * config/tc-mcore.c (md_assemble): Likewise.
+ * config/tc-mips.c (gpr_read_mask, gpr_write_mask): Likewise.
+ * config/tc-nds32.c (SET_ADDEND): Likewise.
+ * config/tc-nios2.c (nios2_assemble_arg_R): Likewise.
+
+2020-03-09 Jan Beulich <jbeulich@suse.com>
+
+ * testsuite/gas/i386/avx.s: Add long-form VCMP[PS][SD] pseudos.
+ * testsuite/gas/i386/avx.d, testsuite/gas/i386/avx-16bit.d,
+ testsuite/gas/i386/avx-intel.d: Adjust expectations.
+
+2020-03-07 Alan Modra <amodra@gmail.com>
+
+ * testsuite/gas/elf/dwarf-5-file0.s: Don't start directives in
+ first column.
+
+2020-03-06 Nick Clifton <nickc@redhat.com>
+
+ PR 25614
+ * dwarf2dbg.c (dwarf2_directive_filename): Allow a file number of
+ 0 if the dwarf_level is 5 or more. Complain if a filename follows
+ a file 0.
+ * testsuite/gas/elf/dwarf-5-file0.s: New test.
+ * testsuite/gas/elf/dwarf-5-file0.d: New test driver.
+ * testsuite/gas/elf/elf.exp: Run the new test.
+
+ PR 25612
+ * config/tc-ia64.h (DWARF2_VERISION): Fix typo.
+ * doc/as.texi: Fix another typo.
+
+2020-03-06 Nick Clifton <nickc@redhat.com>
+
+ PR 25612
+ * as.c (dwarf_level): Define.
+ (show_usage): Add --gdwarf-3, --gdwarf-4 and --gdwarf-5.
+ (parse_args): Add support for the new options.
+ as.h (dwarf_level): Prototype.
+ * dwarf2dbg.c (DWARF2_VERSION): Use dwarf_level as default version
+ value.
+ * config/tc-ia64.h (DWARF2_VERISION): Update definition.
+ (DWARF2_LINE_VERSION): Remove definition.
+ * doc/as.texi: Document the new options.
+
+2020-03-06 Nick Clifton <nickc@redhat.com>
+
+ PR 25572
+ * as.c (main): Allow matching input and outputs when they are
+ not regular files.
+
+2020-03-06 Jan Beulich <jbeulich@suse.com>
+
+ * config/tc-i386.c (match_mem_size): Generalize broadcast special
+ casing.
+ (check_VecOperands): Zap xmmword/ymmword/zmmword when more than
+ one of byte/word/dword/qword is set alongside a SIMD register in
+ a template's operand.
+
+2020-03-06 Jan Beulich <jbeulich@suse.com>
+
+ * config/tc-i386.c (match_template): Extend code in logic
+ rejecting certain suffixes in certain modes to also cover mask
+ register use and VecSIB. Drop special casing of broadcast. Skip
+ immediates in the check.
+
+2020-03-06 Jan Beulich <jbeulich@suse.com>
+
+ * config/tc-i386.c (match_template): Fold duplicate code in
+ logic rejecting certain suffixes in certain modes. Drop
+ pointless "else".
+
+2020-03-06 Jan Beulich <jbeulich@suse.com>
+
+ * config/tc-i386.c (process_suffix): Exlucde !vexw insns
+ alongside !norex64 ones.
+ * testsuite/gas/i386/x86-64-avx512bw.s: Test VPEXTR* and VPINSR*
+ with both 32- and 64-bit GPR operands.
+ * testsuite/gas/i386/x86-64-avx512f.s: Test VEXTRACTPS with both
+ 32- and 64-bit GPR operands.
+ * testsuite/gas/i386/x86-64-avx512bw-intel.d,
+ testsuite/gas/i386/x86-64-avx512bw.d,
+ testsuite/gas/i386/x86-64-avx512f-intel.d,
+ testsuite/gas/i386/x86-64-avx512f.d: Adjust expectations.
+
+2020-03-06 Jan Beulich <jbeulich@suse.com>
+
+ * config/tc-i386.c (md_assemble): Drop use of rex64.
+ (process_suffix): For REX.W for 64-bit CRC32.
+
+2020-03-06 Jan Beulich <jbeulich@suse.com>
+
+ * config/tc-i386.c (i386_addressing_mode): For 32-bit
+ addressing for MPX insns without base/index.
+ * testsuite/gas/i386/mpx-16bit.s,
+ * testsuite/gas/i386/mpx-16bit.d: New.
+ * testsuite/gas/i386/i386.exp: Run new test.
+
2020-03-06 Jan Beulich <jbeulich@suse.com>
* testsuite/gas/i386/adx.s, testsuite/gas/i386/cet.s,