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Re^5: Perl 5 Optimizing Compiler, Part 5: A Vague Outline Emerges

by dave_the_m (Prior)
on Aug 31, 2012 at 13:36 UTC ( #991006=note: print w/replies, xml ) Need Help??

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  1. or download this
    1: OP_PADSV
       op_targ   = 1
    5: OP_ADD
       op_ppaddr = Perl_pp_add
       op_next   = 6
  2. or download this
    OP * Perl_pp_padsv {
        *PL_stack_sp++ = PL_curpad[PL_op->op_targ];
        *PL_stack_sp++ = s3;
        return PL_op->op_next;
  3. or download this
    Perl_runops_standard {
        PL_op = ...;
            PL_op = PL_op->op_ppaddr();
  4. or download this
        PL_op = Perl_pp_padsv(PL_op);
        PL_op = Perl_pp_padsv(PL_op);
        PL_op = Perl_pp_const(PL_op);
        PL_op = Perl_pp_multiply(PL_op);
        PL_op = Perl_pp_add(PL_op);

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Node Type: note [id://991006]
[Discipulus]: practical use for?
[marto]: finding bugs, either in the CPU layer or hypervisor, finding undocumented instructions
[zentara]: are you talikng about perf?
[Discipulus]: i miss what an undocumented instructions can be, and how can be used
[zentara]: perf

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