Revert "PowerPC PLT speculative execution barriers"

[deliverable/binutils-gdb.git] / gold / ChangeLog

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+2018-02-07  Alan Modra  <amodra@gmail.com>
+
+       Revert 2018-01-17  Alan Modra  <amodra@gmail.com>
+       * options.h: Remove --speculate-indirect-jumps support.
+       * powerpc.cc: Likewise.
+
+2018-02-02  Cary Coutant  <ccoutant@gmail.com>
+
+       * PR gold/22776
+       * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog): Add
+       support for DWARF-4 line number tables.
+       * dwarf_reader.h (Sized_dwarf_line_info::max_ops_per_insn): New field.
+
+2018-01-18  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (param_plt_align): New function supplying default
+       --plt-align values.  Use it..
+       (Stub_table::plt_call_align): ..here, and..
+       (Output_data_glink::global_entry_align): ..here.
+       (Stub_table::stub_align): Correct 32-bit minimum alignment.
+
+2018-01-17  Alan Modra  <amodra@gmail.com>
+
+       * options.h (speculate_indirect_jumps): New option.
+       * powerpc.cc (beqctrm, beqctrlm, crseteq): New insn constants.
+       (output_bctr): New function.
+       (Stub_table::plt_call_size): Add space for speculation barrier.
+       (Stub_table::branch_stub_size): Likewise.
+       (Output_data_glink::pltresolve_size): Likewise.
+       (Stub_table::do_write): Output speculation barriers.
+
+2018-01-17  Alan Modra  <amodra@gmail.com>
+
+       * options.h (plt_align): Support for PowerPC32 too.
+       * powerpc.cc (Stub_table::stub_align): Heed --plt-align for 32-bit.
+       (Stub_table::plt_call_size, branch_stub_size): Tidy.
+       (Stub_table::plt_call_align): Implement using stub_align.
+       (Output_data_glink::global_entry_align): New function.
+       (Output_data_glink::global_entry_off): New function.
+       (Output_data_glink::global_entry_address): Use global_entry_off.
+       (Output_data_glink::pltresolve_size): New function, replacing
+       pltresolve_size_ constant.  Update all uses.
+       (Output_data_glink::add_global_entry): Align offset.
+       (Output_data_glink::set_final_data_size): Use global_entry_align.
+       (Stub_table::do_write): Don't pad __glink_PLTrelsolve with nops.
+       Tidy stub output.  Use global_entry_off.
+
+2018-01-15  Cary Coutant  <ccoutant@gmail.com>
+
+       PR gold/22694
+       * options.h (-fuse-ld): Add correct helparg.
+
 2018-01-15  Nick Clifton  <nickc@redhat.com>
 
        * po/uk.po: Updated Ukranian translation.