]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blobdiff - gas/ChangeLog
Remove x86 NaCl target support
[thirdparty/binutils-gdb.git] / gas / ChangeLog
index 3b8ea166f0c2dd5ad710c01840a25cbf6a9680b0..c249180a0195f2fda6cd27fda269c306daa1a34e 100644 (file)
@@ -1,3 +1,805 @@
+2020-06-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * NEWS: Mention x86 NaCl target support removal.
+       * config/tc-i386.c: Remove x86 NaCl target support.
+       * config/tc-i386.h: Likewise.
+       * configure.tgt: Likewise.
+       * testsuite/gas/i386/i386.exp: Likewise.
+       * testsuite/gas/i386/iamcu-1.d: Likewise.
+       * testsuite/gas/i386/iamcu-2.d: Likewise.
+       * testsuite/gas/i386/iamcu-3.d: Likewise.
+       * testsuite/gas/i386/iamcu-4.d: Likewise.
+       * testsuite/gas/i386/iamcu-5.d: Likewise.
+       * testsuite/gas/i386/k1om.d: Likewise.
+       * testsuite/gas/i386/l1om.d: Likewise.
+
+2020-06-30  Nelson Chu  <nelson.chu@sifive.com>
+
+       * config/tc-riscv.c (riscv_csr_class_check): Removed.  Move the
+       checking into riscv_csr_address.
+       (riscv_csr_version_check): Likewise.
+       (riscv_csr_address): New function.  Return the suitable CSR address
+       after checking the ISA dependency and versions.  Issue warnings if
+       we find any conflict and -mcsr-check is set.  CSR_CLASS_F and
+       CSR_CLASS_DEBUG are unprivileged CSR for now, so don't check the
+       priv spec versions for them.
+       (reg_csr_lookup_internal): Call riscv_csr_address to find the
+       suitable CSR address.
+       * testsuite/gas/riscv/priv-reg-fail-fext.d: Remove -mpriv-spec=1.11.
+       * testsuite/gas/riscv/priv-reg-fail-read-only-01.d: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-rv32-only.d: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-fext.l:  We don't care the
+       priv spec warnings here.  These warnings are added by accident.
+       Remove them and only focus on the ISA dependency warnings.
+       * testsuite/gas/riscv/priv-reg-fail-rv32-only.l: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-read-only-01.l: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p9.l: Updated since
+       dscratch0 and dscratch1 are regarded as the unprivileged CSR rather
+       than the privileged ones.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p9p1.l: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p10.l: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p11.l: Likewise.
+       * testsuite/gas/riscv/priv-reg.s: Likewise.  Add missing debug CSR.
+       * testsuite/gas/riscv/priv-reg-version-1p9.d: Likewise.
+       * testsuite/gas/riscv/priv-reg-version-1p9p1.d: Likewise.
+       * testsuite/gas/riscv/priv-reg-version-1p10.d: Likewise.
+       * testsuite/gas/riscv/priv-reg-version-1p11.d: Likewise.
+       * testsuite/gas/riscv/csr-dw-regnums.d: Likewise.
+       * testsuite/gas/riscv/csr-dw-regnums.s: Likewise.
+
+2020-06-29  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * tc-i386.c (build_vex_prefix): Support VEX base opcode length > 1.
+       (md_assemble): Don't process ImmExt without operands.
+
+2020-06-29  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       PR gas/25331
+       * config/tc-mmix.c (md_assemble) <fixup for
+       BFD_RELOC_MMIX_BASE_PLUS_OFFSET>: This fixup affects 1 byte, not 8.
+       Also, set its fx_no_overflow.
+       (md_convert_frag) <case ENCODE_RELAX (STATE_PUSHJSTUB, STATE_ZERO)>: 
+       Similarly this fixup affects 4 bytes, not 8 and needs its
+       fx_no_overflow set.
+       * config/tc-mmix.h (TC_FX_SIZE_SLACK): Don't define.
+       * testsuite/gas/mmix/pr25331.d, testsuite/gas/mmix/pr25331.s: New test.
+
+2020-06-29  Alan Modra  <amodra@gmail.com>
+
+       * config/tc-s12z.c: Use C style comments.
+       * config/tc-z80.c: Likewise.
+       * config/tc-xtensa.c (emit_ld_r_n): Remove commented out code.
+
+2020-06-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/tc-i386.c (md_assemble): Process ImmExt without
+       operands.
+
+2020-06-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/tc-i386.c (check_VecOperands): Replace vecsib with sib.
+       Replace VecSIB128, VecSIB256 and VecSIB512 with VECSIB128,
+       VECSIB256 and VECSIB512, respectively.
+       (build_modrm_byte): Replace vecsib with sib.
+
+2020-06-26  Jan Beulich  <jbeulich@suse.com>
+
+       * testsuite/gas/i386/nop-1-suffix.d: New.
+       * testsuite/gas/i386/i386.exp: Run new test.
+
+2020-06-26  Pat Bernardi  <bernardi@adacore.com>
+
+       * config/tc-m68k.c (m68k_elf_gnu_attribute): New function.
+       (md_pseudo_table): Handle "gnu_attribute".
+       * doc/as.texi: Document GNU attribute for M68K.
+
+2020-06-25  Nick Clifton  <nickc@redhat.com>
+
+       PR 26141
+       * config/tc-arm.c (arm_force_relocation): Force resolution of
+       BFD_RELOC_THUMB_PCREL_BRANCH12 relocations.
+       * testsuite/gas/arm/plt-1.d: Adjust expected disassembly.
+
+2020-06-25  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (md_assemble): Move call to process_immext()
+       ...
+       (process_operands): ... here.
+
+2020-06-25  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (process_suffix): Skip ambiguous operand size
+       diagnostic when there is a sizing prefix.  Switch to word/dword/
+       qword encoding when there is a sizing prefix and no (explicit or
+       derived) suffix.
+       (update_imm): Handle presence of a sizing prefix.
+       * testsuite/gas/i386/noreg16-data32.d,
+       testsuite/gas/i386/noreg32-data16.d,
+       testsuite/gas/i386/noreg32-data16.e,
+       testsuite/gas/i386/noreg64-data16.d,
+       testsuite/gas/i386/noreg64-data16.e,
+       testsuite/gas/i386/noreg64-rex64.d: New.
+       * testsuite/gas/i386/i386.exp: Run new tests.
+       * testsuite/gas/i386/noreg32.s, testsuite/gas/i386/noreg64.s:
+       Introduce and use pfx* macros.
+       * testsuite/gas/i386/noreg16.s: Likewise. Replace 32-bit
+       addressing.
+       * testsuite/gas/i386/noreg16.d: Adjust expectations.
+
+2020-06-25  Jan Beulich  <jbeulich@suse.com>
+
+       * testsuite/gas/i386/avx-16bit.d,
+       testsuite/gas/i386/avx-scalar.d, testsuite/gas/i386/avx.d,
+       testsuite/gas/i386/avx512f-16bit.d,
+       testsuite/gas/i386/avx512f.d,
+       testsuite/gas/i386/evex-lig256.d,
+       testsuite/gas/i386/evex-lig512.d
+       testsuite/gas/i386/evex-wig1.d, testsuite/gas/i386/katmai.d,
+       testsuite/gas/i386/noreg16.d, testsuite/gas/i386/noreg32.d,
+       testsuite/gas/i386/ptwrite.d, testsuite/gas/i386/simd.d,
+       testsuite/gas/i386/sse2-16bit.d,
+       testsuite/gas/i386/sse2.d, testsuite/gas/i386/sse2avx.d: Adjust
+       expectations.
+
+2020-06-25  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (md_assemble): Also reject explicit REX
+       prefixes with VEX and alike encoded insns. Zap consumed bits
+       from i.rex.
+       (output_insn): Don't ignore REX prefix for VEX and alike
+       encodings; abort() instead if encountered.
+       * testsuite/gas/i386/x86-64-pseudos.s: Move REX-with-VEX cases
+       ...
+       * testsuite/gas/i386/x86-64-pseudos-bad.s: ... here.
+       * testsuite/gas/i386/x86-64-pseudos.d,
+       testsuite/gas/i386/x86-64-pseudos-bad.l: Adjust expectations.
+
+2020-06-25  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (process_operands): Translate explicit REX
+       prefix into i.rex for SSE2AVX templates.
+       (set_rex_vrex): New helper.
+       (build_modrm_byte): Use it.
+       * testsuite/gas/i386/x86-64-sse2avx.s: Add cases with explict
+       REX prefixes.
+       * testsuite/gas/i386/x86-64-sse2avx.d: Adjust expectations.
+
+2020-06-25  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (cpu_flags_match): Only match SSE2AVX
+       templates when there's no data size prefix.
+       (md_assemble): Reject data size prefix also for legacy encoded
+       SIMD templates.
+       * testsuite/gas/i386/prefix32.s, testsuite/gas/i386/prefix64.s:
+       Uncomment previously not working line.
+       * testsuite/gas/i386/sse2avx.s: Add ldmxcsr/stmxcsr cases with
+       data16 prefix.
+       * testsuite/gas/i386/prefix32.l, testsuite/gas/i386/prefix64.l,
+       testsuite/gas/i386/sse2avx.d: Adjust expectations.
+
+2020-06-25  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (build_evex_prefix): Drop early setting of
+       vec_length.
+
+2020-06-23  Nelson Chu  <nelson.chu@sifive.com>
+
+       * config/tc-riscv.c (explicit_priv_attr): Rename explicit_csr to
+       explicit_priv_attr.  It used to indicate CSR or priv instructions are
+       explictly used.
+       (riscv_is_priv_insn): Return True if it is a privileged instruction.
+       (riscv_ip): Call riscv_is_priv_insn to check whether the instruction
+       is privileged or not.  If it is, then set explicit_priv_attr to TRUE.
+       (riscv_write_out_attrs): Clarification of when to generate the elf
+       priv spec attributes.
+       * testsuite/gas/riscv/attribute-11.s: Add comments.
+       * testsuite/gas/riscv/attribute-14.s: New testcase.  Use symbol
+       `priv_insn_<n>` to decide which priv instruction is expected to used.
+       (<n> is a to e.)
+       * testsuite/gas/riscv/attribute-14a.d: Likewise.
+       * testsuite/gas/riscv/attribute-14b.d: Likewise.
+       * testsuite/gas/riscv/attribute-14c.d: Likewise.
+       * testsuite/gas/riscv/attribute-14d.d: Likewise.
+       * testsuite/gas/riscv/attribute-14e.d: Likewise.
+
+2020-06-22  Nelson Chu  <nelson.chu@sifive.com>
+
+       * config/tc-riscv.c (buf_size, buf): Remove the unused variables.
+       (riscv_set_default_priv_spec): Get the priv spec version from the
+       priv spec attributes by riscv_get_priv_spec_class_from_numbers.
+
+2020-06-20  Alan Modra  <amodra@gmail.com>
+
+       * configure.tgt: Set bfd_gas for all SH targets.
+
+2020-06-18  Jan Beulich  <jbeulich@suse.com>
+
+       * testsuite/gas/i386/arch-13.s: Add alternative VMGEXIT case.
+       * testsuite/gas/i386/arch-13.d: Extend -march=. Adjust
+       expectations.
+
+2020-06-16  Lili Cui  <lili.cui@intel.com>
+
+       * config/tc-i386.c (cpu_arch): Correct noavx512_vp2intersect
+       cpu_arch to CPU_ANY_VP2INTERSECT_FLAGS.
+       * doc/c-i386.texi: Add avx512_vp2intersect.
+
+2020-06-16  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (md_assemble): Drop SSE4a from SSE check
+       conditional.
+       * testsuite/gas/i386/sse-check.s: Adjust comment.
+       * testsuite/gas/i386/sse-check-error.l,
+       testsuite/gas/i386/sse-check-warn.e,
+       testsuite/gas/i386/x86-64-sse-check-error.l: Adjust
+       expectations.
+
+2020-06-16  Alan Modra  <amodra@gmail.com>
+
+       * config/tc-tic30.h: Remove OBJ_AOUT support.
+       * configure.tgt: Delete tic30-*-*aout* entry.
+
+2020-06-15  Max Filippov  <jcmvbkbc@gmail.com>
+
+       * config/tc-xtensa.c (XTHAL_ABI_WINDOWED, XTHAL_ABI_CALL0): New
+       macros.
+       (elf32xtensa_abi): New declaration.
+       (option_abi_windowed, option_abi_call0): New enum constants.
+       (md_longopts): Add entries for --abi-windowed and --abi-call0.
+       (md_parse_option): Add handlers for --abi-windowed and
+       --abi-call0.
+       (xtensa_add_config_info): Use xtensa_abi_choice instead of
+       XSHAL_ABI to format ABI tag.
+       * doc/as.texi (Target Xtensa options): Add --abi-windowed and
+       --abi-call0 to the list of options.
+       * doc/c-xtensa.texi: Add description for options --abi-windowed
+       and --abi-call0.
+       * testsuite/gas/xtensa/abi-call0.d: New test definition.
+       * testsuite/gas/xtensa/abi-windowed.d: New test definition.
+       * testsuite/gas/xtensa/abi.s: New test source.
+
+2020-06-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26115
+       * testsuite/gas/i386/tsxldtrk.d: Replace xsuspldtrk with
+       xsusldtrk.
+       * testsuite/gas/i386/tsxldtrk.s: Likewise.
+       * testsuite/gas/i386/x86-64-tsxldtrk.d: Likewise.
+       * testsuite/gas/i386/x86-64-tsxldtrk.s: Likewise.
+
+2020-06-12  Nelson Chu  <nelson.chu@sifive.com>
+
+       * testsuite/gas/riscv/priv-reg-fail-version-1p9.d: Removed.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p9.l: Likewise.
+       * testsuite/gas/riscv/priv-reg-version-1p9.d: Likewise.
+
+2020-06-09  Seth Girvan  <snth@snthhacks.com>
+
+       * doc/c-avr.texi: Improve wording.
+
+2020-06-09  Jan Beulich  <jbeulich@suse.com>
+
+       * testsuite/gas/i386/x86-64-pseudos-bad.s,
+       testsuite/gas/i386/x86-64-pseudos-bad.l: New.
+
+2020-06-09  Jan Beulich  <jbeulich@suse.com>
+
+       * testsuite/gas/i386/prefix.s: Add bogus prefix-with-VEX/EVEX
+       encoding tests.
+       * testsuite/gas/i386/prefix.d: Adjust expectations.
+
+2020-06-09  Jan Beulich  <jbeulich@suse.com>
+
+       * testsuite/gas/i386/prefix.s: Add bogus REP / EVEX.W prefix
+       with VEX/EVEX encoding tests.
+       * testsuite/gas/i386/prefix.d: Adjust expectations.
+
+2020-06-09  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (process_suffix): Restrict defaulting to 'q'
+       suffix.
+       * testsuite/gas/i386/noreg64.s: Add lcall/ljmp cases.
+       * testsuite/gas/i386/noreg64.d: Adjust expectations.
+       * testsuite/gas/i386/noreg-intel64.d,
+       testsuite/gas/i386/noreg-intel64.l,
+       testsuite/gas/i386/noreg-intel64.s: New.
+       * testsuite/gas/i386/i386.exp: Run new tests.
+
+2020-06-09  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (vex_encoding_error): New enumerator.
+       (VEX_check_operands): Rename to VEX_check_encoding. Check
+       for vex_encoding_error. Move Imm4 handling ...
+       (check_VecOperands): ... here.
+       (match_template): Call VEX_check_encoding when there are no
+       operands. Split construct calling check_VecOperands and
+       VEX_check_encoding (when there are operands).
+       (check_register): Don't blindly set vex_encoding_evex.
+       * testsuite/gas/i386/pseudos-bad.s,
+       testsuite/gas/i386/pseudos-bad.l: New.
+       * testsuite/gas/i386/i386.exp: Run new test.
+       * testsuite/gas/i386/xmmhi64.s: Drop {vex2}.
+
+2020-06-08  Alex Coplan  <alex.coplan@arm.com>
+
+       * config/tc-arm.c (insns): Add dfb.
+       * testsuite/gas/arm/dfb.d: New test.
+       * testsuite/gas/arm/dfb.s: Input for test.
+
+2020-06-08  Nick Clifton  <nickc@redhat.com>
+
+       * testsuite/gas/cfi/cfi-i386-2.d: Skip for PE based targets.
+
+2020-06-08  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (pi): Add checks for RegMask and RegBND.
+
+2020-06-08  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (check_byte_reg): Drop dead conditional
+       around as_bad().
+
+2020-06-08  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (check_register): Split RegTR handling, to
+       fail recognition also in 64-bit mode as well as with i586 or
+       i686 explicitly enabled.
+       * testsuite/gas/i386/x86_64.s: Add insns referencing tr<N>.
+       * testsuite/gas/i386/x86_64-intel.d,
+       testsuite/gas/i386/x86_64.d: Adjust expectations.
+
+2020-06-08  Jan Beulich  <jbeulich@suse.com>
+
+       * testsuite/gas/cfi/cfi-i386-2.d: Adjust expectations.
+       * testsuite/gas/cfi/cfi.exp: Run this test.
+
+2020-06-08  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (parse_real_register): Add allow_pseudo_reg
+       check to %st(N) parsing logic.
+       * testsuite/gas/cfi/cfi-i386.s: Set "generic32" arch.
+
+2020-06-08  Jan Beulich  <jbeulich@suse.com>
+
+       * config/tc-i386.c (bad_reg): New.
+       (check_VecOperations, i386_att_operand, i386_parse_name): Check
+       for it.
+       (check_register): New, broken out from ...
+       (parse_real_register): ... here. Call it.
+       (parse_register): Call it, and error upon failure.
+       * testsuite/gas/i386/equ-bad.s, testsuite/gas/i386/equ-bad.l,
+       testsuite/gas/i386/x86-64-equ-bad.s,
+       testsuite/gas/i386/x86-64-equ-bad.l: New.
+       * testsuite/gas/i386/i386.exp: Run new tests.
+
+2020-06-06  Alan Modra  <amodra@gmail.com>
+
+       * config/tc-ppc.c (md_show_usage): Mention -mpower10 and -mpwr10.
+       * doc/c-ppc.texi: Likewise.
+
+2020-06-06  Alan Modra  <amodra@gmail.com>
+
+       * config/tc-ppc.c: Update throughout for reloc renaming.
+
+2020-06-05  Jose E. Marchesi  <jose.marchesi@oracle.com>
+
+       * config/tc-bpf.c (md_apply_fix): Avoid GCC 10 warning
+       stringop-overflow.
+
+2020-06-05  Nelson Chu  <nelson.chu@sifive.com>
+
+       * config/tc-riscv.c (explicit_csr): New static boolean.
+       Used to indicate CSR are explictly used.
+       (riscv_ip): Set explicit_csr to TRUE if any CSR is used.
+       (riscv_write_out_attrs): If we already have set elf priv
+       attributes, then generate them.  Otherwise, don't generate
+       them when no CSR are used.
+       * testsuite/gas/riscv/attribute-01.d: Remove the priv attributes.
+       * testsuite/gas/riscv/attribute-02.d: Likewise.
+       * testsuite/gas/riscv/attribute-03.d: Likewise.
+       * testsuite/gas/riscv/attribute-04.d: Likewise.
+       * testsuite/gas/riscv/attribute-05.d: Likewise.
+       * testsuite/gas/riscv/attribute-06.d: Likewise.
+       * testsuite/gas/riscv/attribute-07.d: Likewise.
+       * testsuite/gas/riscv/attribute-08.d: Likewise.
+       * testsuite/gas/riscv/attribute-09.d: Likewise.
+       * testsuite/gas/riscv/attribute-10.d: Likewise.
+       * testsuite/gas/riscv/attribute-unknown.d: Likewise.
+       * testsuite/gas/riscv/attribute-11.s: New testcase.
+       * testsuite/gas/riscv/attribute-11.d: New testcase.  The CSR is
+       used, so we should output the ELF priv attributes.
+       * testsuite/gas/riscv/attribute-12.d: New testcase.  The CSR is
+       used, so output the priv attributes according to the -mpriv-spec.
+       * testsuite/gas/riscv/attribute-13.d: New testcase.  The CSR isn't
+       used, so ignore the -mpriv-spec setting.
+
+2020-06-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/tc-ip2k. (ip2k_apply_fix): Pass endianness to
+       cgen_get_insn_value.
+       * config/tc-xstormy16.c (xstormy16_md_apply_fix): Pass
+       endianness to cgen_get_insn_value and cgen_put_insn_value.
+
+2020-06-04  Jose E. Marchesi  <jose.marchesi@oracle.com>
+
+       * config/tc-bpf.c (md_apply_fix): Simplify and avoid using
+       cgen_put_insn_value.
+
+2020-06-04  Jose E. Marchesi  <jose.marchesi@oracle.com>
+
+       * config/tc-bpf.c (md_begin): Pass CGEN_CPU_OPEN_INSN_ENDIAN to
+       bpf_cgen_cpu_open.
+       (md_assemble): Remove no longer needed hack.
+
+2020-06-04  Jose E. Marchesi  <jose.marchesi@oracle.com>
+
+       * cgen.c (gas_cgen_finish_insn): Pass the endianness to
+       cgen_put_insn_value.
+       (gas_cgen_md_apply_fix): Likewise.
+       (gas_cgen_md_apply_fix): Likewise.
+       * config/tc-bpf.c (md_apply_fix): Pass data endianness to
+       cgen_put_insn_value.
+       * config/tc-mep.c (mep_check_ivc2_scheduling): Pass endianness to
+       cgen_put_insn_value.
+
+2020-06-04  Alan Modra  <amodra@gmail.com>
+
+       * testsuite/config/default.exp: Remove global directive outside
+       proc body.
+       * testsuite/gas/mep/complex-relocs.exp: Likewise.
+       * testsuite/gas/microblaze/relax_size.exp: Likewise.
+       * testsuite/gas/microblaze/reloc_sym.exp: Likewise.
+       * testsuite/gas/mt/relocs.exp: Likewise.
+       * testsuite/gas/rx/rx.exp: Likewise.
+
+2020-06-03  Stephen Casner  <casner@acm.org>
+
+       * doc/c-riscv.texi (RISC-V-Options): Fix non-ASCII apostrophe.
+
+2020-06-02  Frédéric Pétrot  <frederic.petrot@univ-grenoble-alpes.fr>
+           Jim Wilson  <jimw@sifive.com>
+
+       PR 26051
+       * doc/c-riscv.texi (RISC-V-Formats): Add missing I format using
+       simm12(rs1).  Correct S format to use simm12(rs1).  Drop SB and B
+       formats using simm12(rs1).  Correct SB and B to use rs1 and rs2.
+       Move B before SB.  Move J before UJ.
+
+2020-06-01  Alex Coplan  <alex.coplan@arm.com>
+
+       * write.c (relax_segment): Fix handling of negative offset when
+       relaxing an rs_org frag.
+       * testsuite/gas/aarch64/org-neg.d: New test.
+       * testsuite/gas/aarch64/org-neg.l: Error output for test.
+       * testsuite/gas/aarch64/org-neg.s: Input for test.
+       * testsuite/gas/arm/org-neg.d: New test.
+       * testsuite/gas/arm/org-neg.l: Error output for test.
+       * testsuite/gas/arm/org-neg.s: Input for test.
+
+2020-05-28  Stephen Casner  <casner@acm.org>
+
+       Fix unexpected failures in gas testsuite for pdp11-aout target.
+       These are caused by the PDP11's mix of little-endian octets in
+       shorts but shorts in big endian order for long or quad.
+
+       * config/tc-pdp11.c (md_number_to_chars): Implement .quad
+       * testsuite/gas/all/gas.exp: Select alternate test scripts for
+       pdp11, skip octa test completely.
+       * testsuite/gas/all/eqv-dot-pdp11.s: Identical to eqv-dot.s
+       * testsuite/gas/all/eqv-dot-pdp11.d: Match different octet order.
+       * testsuite/gas/all/cond-pdp11.l: Match different octet order.
+
+2020-05-28  Alex Coplan  <alex.coplan@arm.com>
+
+       * frags.c (frag_grow): Fix comment.
+
+2020-05-27  Stephen Casner  <casner@acm.org>
+
+       PR gas/26001
+       * config/tc-pdp11.c (parse_reg): Distinguish register names from
+       symbols that begin with a register name.
+       * testsuite/gas/pdp11/pdp11.exp: Add test of such symbols.
+       * testsuite/gas/pdp11/pr26001.s: Likewise.
+       * testsuite/gas/pdp11/pr26001.d: Likewise.
+
+2020-05-27  Simon Cook  <simon.cook@embecosm.com>
+
+        * config/tc-riscv.c (riscv_init_csr_hash): NULL initilize next
+        pointer when creating struct riscv_csr_extra.
+
+2020-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * testsuite/gas/i386/align-branch-9.d: Updated for PECOFF.
+       * testsuite/gas/i386/inval-avx512f.s: Add .p2align for PECOFF.
+       * testsuite/gas/i386/inval-avx512f.l: Updated.
+
+2020-05-26  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
+
+       * testsuite/gas/s390/zarch-z13.d: Add regexp checks for vector
+       load/store instruction variants with alignment hints.
+       * testsuite/gas/s390/zarch-z13.s: Emit new vector load/store
+       instruction variants with alignment hints.
+
+2020-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26044
+       * config/tc-xgate.c (md_apply_fix): Check BFD_RELOC_XGATE_PCREL_X
+       instead of R_XGATE_PCREL_X.
+       (xgate_parse_operand): Replace R_XGATE_PCREL_X with
+       BFD_RELOC_XGATE_PCREL_X.
+
+2020-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26044
+       * config/tc-visium.c (md_convert_frag): Replace fragP->fr_literal
+       with &fragP->fr_literal[0].
+
+2020-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26044
+       * config/tc-vax.c (md_estimate_size_before_relax): Replace
+       fragP->fr_literal with &fragP->fr_literal[0].
+       (md_convert_frag): Likewise.
+
+2020-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26044
+       * config/tc-v850.c (md_convert_frag): Replace fragP->fr_literal
+       with &fragP->fr_literal[0].
+
+2020-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26044
+       * config/tc-crx.c (getreg_image): Change argument type to int.
+       (md_convert_frag): Replace fragP->fr_literal with
+       &fragP->fr_literal[0].
+
+2020-05-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26044
+       * onfig/tc-score.c (s3_do_macro_bcmp): Replace overlapping
+       sprintf with memmove.
+
+2020-05-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/tc-mcore.c (md_convert_frag): Replace fragP->fr_literal
+       with &fragP->fr_literal[0].
+
+2020-05-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/26041
+       * config/tc-cr16.c (md_assemble): Use memmove to concatenate
+       2 overlapping strings.
+
+2020-05-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/tc-cr16.c (md_convert_frag): Replace fragP->fr_literal
+       with &fragP->fr_literal[0].
+
+2020-05-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/tc-csky.c (md_convert_frag): Replace fragp->fr_literal
+       with &fragp->fr_literal[0].
+       * config/tc-microblaze.c (md_apply_fix): Likewise.
+       * config/tc-sh.c (md_convert_frag): Likewise.
+
+2020-05-24  Jim Wilson  <jimw@sifive.com>
+
+       PR 26025
+       * config/tc-riscv.c (riscv_pre_output_hook): Change s type from const
+       asection to segT.  New locals seg and subseg.  Call subseg_set before
+       fix_new_exp.  Call subseg_set after loop to restore original values.
+
+2020-05-21  Alan Modra  <amodra@gmail.com>
+
+       * atof-generic.c: Replace "if (x) free (x)" with "free (x)"
+       throughout.
+       * config/obj-elf.c: Likewise.
+       * config/tc-aarch64.c: Likewise.
+       * config/tc-arm.c: Likewise.
+       * config/tc-m68k.c: Likewise.
+       * config/tc-nios2.c: Likewise.
+       * config/tc-tic30.c: Likewise.
+       * ecoff.c: Likewise.
+       * read.c: Likewise.
+       * stabs.c: Likewise.
+       * symbols.c: Likewise.
+       * testsuite/gas/all/test-gen.c: Likewise.
+
+2020-05-20  Nelson Chu  <nelson.chu@sifive.com>
+
+       * testsuite/gas/riscv/priv-reg-fail-read-only-01.s: Updated.
+       * config/tc-riscv.c (default_arch_with_ext, default_isa_spec):
+       Static variables which are used to set the ISA extensions. You can
+       use -march (or ELF build attributes) and -misa-spec to set them,
+       respectively.
+       (ext_version_hash): The hash table used to handle the extensions
+       with versions.
+       (init_ext_version_hash): Initialize the ext_version_hash according
+       to riscv_ext_version_table.
+       (riscv_get_default_ext_version): The callback function of
+       riscv_parse_subset_t.  According to the choosed ISA spec,
+       get the default version for the specific extension.
+       (riscv_set_arch): Set the callback function.
+       (enum options, struct option md_longopts): Add new option -misa-spec.
+       (md_parse_option): Do not call riscv_set_arch for -march.  We will
+       call it later in riscv_after_parse_args.  Call riscv_get_isa_spec_class
+       to set default_isa_spec class.
+       (riscv_after_parse_args): Call init_ext_version_hash to initialize the
+       ext_version_hash, and then call riscv_set_arch to set the architecture
+       with versions according to default_arch_with_ext.
+       * testsuite/gas/riscv/attribute-02.d: Set 0p0 as default version for
+       x extensions.
+       * testsuite/gas/riscv/attribute-03.d: Likewise.
+       * testsuite/gas/riscv/attribute-09.d: New testcase.  For i-ext, we
+       already set it's version to 2p1 by march, so no need to use the default
+       2p2 version.  For m-ext, we do not set the version by -march and ELF arch
+       attribute, so set the default 2p0 to it.  For zicsr, it is not defined in
+       ISA spec 2p2, so set 0p0 to it.
+       * testsuite/gas/riscv/attribute-10.d: New testcase.  The version of
+       zicsr is 2p0 according to ISA spec 20191213.
+       * config/tc-riscv.c (DEFAULT_RISCV_ARCH_WITH_EXT)
+       (DEFAULT_RISCV_ISA_SPEC): Default configure option settings.
+       You can set them by configure options --with-arch and
+       --with-isa-spec, respectively.
+       (riscv_set_default_isa_spec): New function used to set the
+       default ISA spec.
+       (md_parse_option): Call riscv_set_default_isa_spec rather than
+       call riscv_get_isa_spec_class directly.
+       (riscv_after_parse_args): If the -isa-spec is not set, then we
+       set the default ISA spec according to DEFAULT_RISCV_ISA_SPEC by
+       calling riscv_set_default_isa_spec.
+       * testsuite/gas/riscv/attribute-01.d: Add -misa-spec=2.2, since
+       the --with-isa-spec may be set to different ISA spec.
+       * testsuite/gas/riscv/attribute-02.d: Likewise.
+       * testsuite/gas/riscv/attribute-03.d: Likewise.
+       * testsuite/gas/riscv/attribute-04.d: Likewise.
+       * testsuite/gas/riscv/attribute-05.d: Likewise.
+       * testsuite/gas/riscv/attribute-06.d: Likewise.
+       * testsuite/gas/riscv/attribute-07.d: Likewise.
+       * configure.ac: Add configure options, --with-arch and
+       --with-isa-spec.
+       * configure: Regenerated.
+       * config.in: Regenerated.
+       * config/tc-riscv.c (default_priv_spec): Static variable which is
+       used to check if the CSR is valid for the chosen privilege spec. You
+       can use -mpriv-spec to set it.
+       (enum reg_class): We now get the CSR address from csr_extra_hash rather
+       than reg_names_hash.  Therefore, move RCLASS_CSR behind RCLASS_MAX.
+       (riscv_init_csr_hashes): Only need to initialize one hash table
+       csr_extra_hash.
+       (riscv_csr_class_check): Change the return type to void.  Don't check
+       the ISA dependency if -mcsr-check isn't set.
+       (riscv_csr_version_check): New function.  Check and find the CSR address
+       from csr_extra_hash, according to default_priv_spec.  Report warning
+       for the invalid CSR if -mcsr-check is set.
+       (reg_csr_lookup_internal): Updated.
+       (reg_lookup_internal): Likewise.
+       (md_begin): Updated since DECLARE_CSR and DECLARE_CSR_ALIAS are changed.
+       (enum options, struct option md_longopts): Add new GAS option -mpriv-spec.
+       (md_parse_option): Call riscv_set_default_priv_version to set
+       default_priv_spec.
+       (riscv_after_parse_args): If -mpriv-spec isn't set, then set the default
+       privilege spec to the newest one.
+       (enum riscv_csr_class, struct riscv_csr_extra): Move them to
+       include/opcode/riscv.h.
+       * testsuite/gas/riscv/priv-reg-fail-fext.d: This test case just want
+       to check the ISA dependency for CSR, so fix the spec version by adding
+       -mpriv-spec=1.11.
+       * testsuite/gas/riscv/priv-reg-fail-fext.l: Likewise.  There are some
+       version warnings for the test case.
+       * gas/testsuite/gas/riscv/priv-reg-fail-read-only-01.d: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-read-only-01.l: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-read-only-02.d: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-rv32-only.d: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-rv32-only.l: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p9.d: New test case.
+       Check whether the CSR is valid when privilege version 1.9 is choosed.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p9.l: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p9p1.d: New test case.
+       Check whether the CSR is valid when privilege version 1.9.1 is choosed.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p9p1.l: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p10.d: New test case.
+       Check whether the CSR is valid when privilege version 1.10 is choosed.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p10.l: Likewise.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p11.d: New test case.
+       Check whether the CSR is valid when privilege version 1.11 is choosed.
+       * gas/testsuite/gas/riscv/priv-reg-fail-version-1p11.l: Likewise.
+       * config/tc-riscv.c (DEFAULT_RISCV_ISA_SPEC): Default configure option
+       setting.  You can set it by configure option --with-priv-spec.
+       (riscv_set_default_priv_spec): New function used to set the default
+       privilege spec.
+       (md_parse_option): Call riscv_set_default_priv_spec rather than
+       call riscv_get_priv_spec_class directly.
+       (riscv_after_parse_args): If -mpriv-spec isn't set, then we set the
+       default privilege spec according to DEFAULT_RISCV_PRIV_SPEC by
+       calling riscv_set_default_priv_spec.
+       * testsuite/gas/riscv/csr-dw-regnums.d: Add -mpriv-spec=1.11, since
+       the --with-priv-spec may be set to different privilege spec.
+       * testsuite/gas/riscv/priv-reg.d: Likewise.
+       * configure.ac: Add configure option --with-priv-spec.
+       * configure: Regenerated.
+       * config.in: Regenerated.
+       * config/tc-riscv.c (explicit_attr): Rename explicit_arch_attr to
+       explicit_attr.  Set it to TRUE if any ELF attribute is found.
+       (riscv_set_default_priv_spec): Try to set the default_priv_spec if
+       the priv attributes are set.
+       (md_assemble): Set the default_priv_spec according to the priv
+       attributes when we start to assemble instruction.
+       (riscv_write_out_attrs): Rename riscv_write_out_arch_attr to
+       riscv_write_out_attrs.  Update the arch and priv attributes.  If we
+       don't set the corresponding ELF attributes, then try to output the
+       default ones.
+       (riscv_set_public_attributes): If any ELF attribute or -march-attr
+       options is set (explicit_attr is TRUE), then call riscv_write_out_attrs
+       to update the arch and priv attributes.
+       (s_riscv_attribute): Make sure all arch and priv attributes are set
+       before any instruction.
+       * testsuite/gas/riscv/attribute-01.d: Update the priv attributes if any
+       ELF attribute or -march-attr is set.  If the priv attributes are not
+       set, then try to update them by the default setting (-mpriv-spec or
+       --with-priv-spec).
+       * testsuite/gas/riscv/attribute-02.d: Likewise.
+       * testsuite/gas/riscv/attribute-03.d: Likewise.
+       * testsuite/gas/riscv/attribute-04.d: Likewise.
+       * testsuite/gas/riscv/attribute-06.d: Likewise.
+       * testsuite/gas/riscv/attribute-07.d: Likewise.
+       * testsuite/gas/riscv/attribute-08.d: Likewise.
+       * testsuite/gas/riscv/attribute-09.d: Likewise.
+       * testsuite/gas/riscv/attribute-10.d: Likewise.
+       * testsuite/gas/riscv/attribute-unknown.d: Likewise.
+       * testsuite/gas/riscv/attribute-05.d: Likewise.  Also, the priv spec
+       set by priv attributes must be supported.
+       * testsuite/gas/riscv/attribute-05.s: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p9.d: Likewise.  Updated
+       priv attributes according to the -mpriv-spec option.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p9p1.d: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p10.d: Likewise.
+       * testsuite/gas/riscv/priv-reg-fail-version-1p11.d: Likewise.
+       * testsuite/gas/riscv/priv-reg.d: Removed.
+       * testsuite/gas/riscv/priv-reg-version-1p9.d: New test case.  Dump the
+       CSR according to the priv spec 1.9.
+       * testsuite/gas/riscv/priv-reg-version-1p9p1.d: New test case.  Dump the
+       CSR according to the priv spec 1.9.1.
+       * testsuite/gas/riscv/priv-reg-version-1p10.d: New test case.  Dump the
+       CSR according to the priv spec 1.10.
+       * testsuite/gas/riscv/priv-reg-version-1p11.d: New test case.  Dump the
+       CSR according to the priv spec 1.11.
+       * config/tc-riscv.c (md_show_usage): Add descriptions about
+       the new GAS options.
+       * doc/c-riscv.texi: Likewise.
+
+2020-05-19  Peter Bergner  <bergner@linux.ibm.com>
+
+       * testsuite/gas/ppc/power9.s <dcbf, dcbfl, dcbflp>: Add tests.
+       * testsuite/gas/ppc/power9.d: Likewise.
+       * testsuite/gas/ppc/power10.s <dcbf, dcbfps, dcbstps, hwsync, lwsync,
+       pause_short, phwsync, plwsync, ptesync, stcisync, stncisync, stsync,
+       sync, wait, waitrsv>: Add tests.
+       * testsuite/gas/ppc/power10.d: Likewise.
+
+2020-05-19  Alexander Fedotov  <alfedotov@gmail.com>
+
+       PR 25992
+       * config/tc-arm.c : Add arm_ext_v8r feature.
+       (it_fsm_post_encode): Check arm_ext_v8r feature.
+       (get_aeabi_cpu_arch_from_fset): Check arm_ext_v8r feature.
+
+2020-05-19  Alan Modra  <amodra@gmail.com>
+
+       * write.c (write_contents): Use bfd_get_filename rather than
+       accessing bfd->filename directly.  Use bfd_section_name rather
+       than accessing section->name directly.
+
+2020-05-19  Alan Modra  <amodra@gmail.com>
+
+       * symbols.c (local_symbol_make): Init all of lsy_flags.
+
+2020-05-18  Alan Modra  <amodra@gmail.com>
+
+       * symbols.c (resolve_symbol_value): Invoke LOCAL_SYMBOL_CHECK
+       before looking at add_symbol->sy_flags.
+
 2020-05-18  Hongtao Liu  <hongtao.liu@intel.com>
 
        * config/tc-i386.c: Not handle lret/iret.