PowerPC PLT speculative execution barriers

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

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+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.