Exemplos de pre_val em C++ (Cpp)

Exemplo n.º 1

Arquivo: c1_CodeStubs_sparc.cpp Projeto: AllenWeb/jdk7u-hotspot

void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
    // At this point we know that marking is in progress.
    // If do_load() is true then we have to emit the
    // load of the previous value; otherwise it has already
    // been loaded into _pre_val.

    __ bind(_entry);

    assert(pre_val()->is_register(), "Precondition.");
    Register pre_val_reg = pre_val()->as_register();

    if (do_load()) {
        ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
    }

    if (__ is_in_wdisp16_range(_continuation)) {
        __ br_null(pre_val_reg, /*annul*/false, Assembler::pt, _continuation);
    } else {
        __ cmp(pre_val_reg, G0);
        __ brx(Assembler::equal, false, Assembler::pn, _continuation);
    }
    __ delayed()->nop();

    __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id));
    __ delayed()->mov(pre_val_reg, G4);
    __ br(Assembler::always, false, Assembler::pt, _continuation);
    __ delayed()->nop();

}

Exemplo n.º 2

void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {

  // At this point we know that marking is in progress

  __ bind(_entry);
  assert(pre_val()->is_register(), "Precondition.");

  Register pre_val_reg = pre_val()->as_register();

  ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);

  __ cmpptr(pre_val_reg, (int32_t) NULL_WORD);
  __ jcc(Assembler::equal, _continuation);
  ce->store_parameter(pre_val()->as_register(), 0);
  __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::g1_pre_barrier_slow_id)));
  __ jmp(_continuation);

}

Exemplo n.º 3

Arquivo: c1_CodeStubs_sparc.cpp Projeto: AllenWeb/openjdk-1

void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
  __ bind(_entry);

  assert(pre_val()->is_register(), "Precondition.");

  Register pre_val_reg = pre_val()->as_register();

  ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false);
  __ br_on_reg_cond(Assembler::rc_z, /*annul*/false, Assembler::pt,
                    pre_val_reg, _continuation);
  __ delayed()->nop();

  __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id));
  __ delayed()->mov(pre_val_reg, G4);
  __ br(Assembler::always, false, Assembler::pt, _continuation);
  __ delayed()->nop();

}

Exemplo n.º 4

Arquivo: c1_CodeStubs_aarch64.cpp Projeto: shelan/jdk9-mirror

void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
  // At this point we know that marking is in progress.
  // If do_load() is true then we have to emit the
  // load of the previous value; otherwise it has already
  // been loaded into _pre_val.

  __ bind(_entry);
  assert(pre_val()->is_register(), "Precondition.");

  Register pre_val_reg = pre_val()->as_register();

  if (do_load()) {
    ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
  }
  __ cbz(pre_val_reg, _continuation);
  ce->store_parameter(pre_val()->as_register(), 0);
  __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::g1_pre_barrier_slow_id)));
  __ b(_continuation);
}

Exemplo n.º 5

Arquivo: c1_CodeStubs_s390.cpp Projeto: mearvk/JVM

void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
  // At this point we know that marking is in progress.
  // If do_load() is true then we have to emit the
  // load of the previous value; otherwise it has already
  // been loaded into _pre_val.
  __ bind(_entry);
  ce->check_reserved_argument_area(16); // RT stub needs 2 spill slots.
  assert(pre_val()->is_register(), "Precondition.");

  Register pre_val_reg = pre_val()->as_register();

  if (do_load()) {
    ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
  }

  __ z_ltgr(Z_R1_scratch, pre_val_reg); // Pass oop in Z_R1_scratch to Runtime1::g1_pre_barrier_slow_id.
  __ branch_optimized(Assembler::bcondZero, _continuation);
  ce->emit_call_c(Runtime1::entry_for (Runtime1::g1_pre_barrier_slow_id));
  CHECK_BAILOUT();
  __ branch_optimized(Assembler::bcondAlways, _continuation);
}

Exemplo n.º 6

Arquivo: c1_CodeStubs_sparc.cpp Projeto: ericbbcc/hotspot

void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
  __ bind(_entry);

  assert(pre_val()->is_register(), "Precondition.");

  Register pre_val_reg = pre_val()->as_register();

  ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
  if (__ is_in_wdisp16_range(_continuation)) {
    __ br_on_reg_cond(Assembler::rc_z, /*annul*/false, Assembler::pt,
                      pre_val_reg, _continuation);
  } else {
    __ cmp(pre_val_reg, G0);
    __ brx(Assembler::equal, false, Assembler::pn, _continuation);
  }
  __ delayed()->nop();

  __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id));
  __ delayed()->mov(pre_val_reg, G4);
  __ br(Assembler::always, false, Assembler::pt, _continuation);
  __ delayed()->nop();

}