src/hotspot/cpu/x86/x86_64.ad

rev 51400 : [mq]: remove-c2-wb.patch

*** 6662,6691 ****
      __ movptr(d, Address(r12, s, Address::times_8, BrooksPointer::byte_offset()));
    %}
    ins_pipe(ialu_reg_mem);
  %}
  
- instruct shenandoahWB(rRegP dst, rRegP src, rFlagsReg cr) %{
-   match(Set dst (ShenandoahWriteBarrier src));
-   effect(DEF dst, USE src, KILL cr);
-   ins_cost(300); // XXX
-   format %{ "shenandoah_wb $dst,$src" %}
-   ins_encode %{
- #if INCLUDE_SHENANDOAHGC
-     Register s = $src$$Register;
-     Register d = $dst$$Register;
-     // We need that first read barrier in order to trigger a SEGV/NPE on incoming NULL.
-     // Also, it brings s into d in preparation for the call to shenandoah_write_barrier().
-     __ movptr(d, Address(s, BrooksPointer::byte_offset()));
-     __ shenandoah_write_barrier(d);
- #else
-     ShouldNotReachHere();
- #endif
-   %}
-   ins_pipe(pipe_slow);
- %}
- 
  // Convert oop pointer into compressed form
  instruct encodeHeapOop(rRegN dst, rRegP src, rFlagsReg cr) %{
    predicate(n->bottom_type()->make_ptr()->ptr() != TypePtr::NotNull);
    match(Set dst (EncodeP src));
    effect(KILL cr);
--- 6662,6671 ----