view src/cpu/sparc/vm/c1_FrameMap_sparc.hpp @ 6812:988bf00cc564

7200261: G1: Liveness counting inconsistencies during marking verification Summary: The clipping code in the routine that sets the bits for a range of cards, in the liveness accounting verification code was incorrect. It set all the bits in the card bitmap from the given starting index which would lead to spurious marking verification failures. Reviewed-by: brutisso, jwilhelm, jmasa
author johnc
date Thu, 27 Sep 2012 15:44:01 -0700
parents 8a02ca5e5576
children b9a9ed0f8eeb
line wrap: on
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/*
 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef CPU_SPARC_VM_C1_FRAMEMAP_SPARC_HPP
#define CPU_SPARC_VM_C1_FRAMEMAP_SPARC_HPP

 public:

  enum {
    nof_reg_args = 6,   // registers o0-o5 are available for parameter passing
    first_available_sp_in_frame = frame::memory_parameter_word_sp_offset * BytesPerWord,
    frame_pad_in_bytes = 0
  };

  static const int pd_c_runtime_reserved_arg_size;

  static LIR_Opr G0_opr;
  static LIR_Opr G1_opr;
  static LIR_Opr G2_opr;
  static LIR_Opr G3_opr;
  static LIR_Opr G4_opr;
  static LIR_Opr G5_opr;
  static LIR_Opr G6_opr;
  static LIR_Opr G7_opr;
  static LIR_Opr O0_opr;
  static LIR_Opr O1_opr;
  static LIR_Opr O2_opr;
  static LIR_Opr O3_opr;
  static LIR_Opr O4_opr;
  static LIR_Opr O5_opr;
  static LIR_Opr O6_opr;
  static LIR_Opr O7_opr;
  static LIR_Opr L0_opr;
  static LIR_Opr L1_opr;
  static LIR_Opr L2_opr;
  static LIR_Opr L3_opr;
  static LIR_Opr L4_opr;
  static LIR_Opr L5_opr;
  static LIR_Opr L6_opr;
  static LIR_Opr L7_opr;
  static LIR_Opr I0_opr;
  static LIR_Opr I1_opr;
  static LIR_Opr I2_opr;
  static LIR_Opr I3_opr;
  static LIR_Opr I4_opr;
  static LIR_Opr I5_opr;
  static LIR_Opr I6_opr;
  static LIR_Opr I7_opr;

  static LIR_Opr SP_opr;
  static LIR_Opr FP_opr;

  static LIR_Opr G0_oop_opr;
  static LIR_Opr G1_oop_opr;
  static LIR_Opr G2_oop_opr;
  static LIR_Opr G3_oop_opr;
  static LIR_Opr G4_oop_opr;
  static LIR_Opr G5_oop_opr;
  static LIR_Opr G6_oop_opr;
  static LIR_Opr G7_oop_opr;
  static LIR_Opr O0_oop_opr;
  static LIR_Opr O1_oop_opr;
  static LIR_Opr O2_oop_opr;
  static LIR_Opr O3_oop_opr;
  static LIR_Opr O4_oop_opr;
  static LIR_Opr O5_oop_opr;
  static LIR_Opr O6_oop_opr;
  static LIR_Opr O7_oop_opr;
  static LIR_Opr L0_oop_opr;
  static LIR_Opr L1_oop_opr;
  static LIR_Opr L2_oop_opr;
  static LIR_Opr L3_oop_opr;
  static LIR_Opr L4_oop_opr;
  static LIR_Opr L5_oop_opr;
  static LIR_Opr L6_oop_opr;
  static LIR_Opr L7_oop_opr;
  static LIR_Opr I0_oop_opr;
  static LIR_Opr I1_oop_opr;
  static LIR_Opr I2_oop_opr;
  static LIR_Opr I3_oop_opr;
  static LIR_Opr I4_oop_opr;
  static LIR_Opr I5_oop_opr;
  static LIR_Opr I6_oop_opr;
  static LIR_Opr I7_oop_opr;

  static LIR_Opr G0_metadata_opr;
  static LIR_Opr G1_metadata_opr;
  static LIR_Opr G2_metadata_opr;
  static LIR_Opr G3_metadata_opr;
  static LIR_Opr G4_metadata_opr;
  static LIR_Opr G5_metadata_opr;
  static LIR_Opr G6_metadata_opr;
  static LIR_Opr G7_metadata_opr;
  static LIR_Opr O0_metadata_opr;
  static LIR_Opr O1_metadata_opr;
  static LIR_Opr O2_metadata_opr;
  static LIR_Opr O3_metadata_opr;
  static LIR_Opr O4_metadata_opr;
  static LIR_Opr O5_metadata_opr;
  static LIR_Opr O6_metadata_opr;
  static LIR_Opr O7_metadata_opr;
  static LIR_Opr L0_metadata_opr;
  static LIR_Opr L1_metadata_opr;
  static LIR_Opr L2_metadata_opr;
  static LIR_Opr L3_metadata_opr;
  static LIR_Opr L4_metadata_opr;
  static LIR_Opr L5_metadata_opr;
  static LIR_Opr L6_metadata_opr;
  static LIR_Opr L7_metadata_opr;
  static LIR_Opr I0_metadata_opr;
  static LIR_Opr I1_metadata_opr;
  static LIR_Opr I2_metadata_opr;
  static LIR_Opr I3_metadata_opr;
  static LIR_Opr I4_metadata_opr;
  static LIR_Opr I5_metadata_opr;
  static LIR_Opr I6_metadata_opr;
  static LIR_Opr I7_metadata_opr;

  static LIR_Opr in_long_opr;
  static LIR_Opr out_long_opr;
  static LIR_Opr g1_long_single_opr;

  static LIR_Opr F0_opr;
  static LIR_Opr F0_double_opr;

  static LIR_Opr Oexception_opr;
  static LIR_Opr Oissuing_pc_opr;

 private:
  static FloatRegister  _fpu_regs [nof_fpu_regs];

  static LIR_Opr as_long_single_opr(Register r) {
    return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r));
  }
  static LIR_Opr as_long_pair_opr(Register r) {
    return LIR_OprFact::double_cpu(cpu_reg2rnr(r->successor()), cpu_reg2rnr(r));
  }

 public:

#ifdef _LP64
  static LIR_Opr as_long_opr(Register r) {
    return as_long_single_opr(r);
  }
  static LIR_Opr as_pointer_opr(Register r) {
    return as_long_single_opr(r);
  }
#else
  static LIR_Opr as_long_opr(Register r) {
    return as_long_pair_opr(r);
  }
  static LIR_Opr as_pointer_opr(Register r) {
    return as_opr(r);
  }
#endif
  static LIR_Opr as_float_opr(FloatRegister r) {
    return LIR_OprFact::single_fpu(r->encoding());
  }
  static LIR_Opr as_double_opr(FloatRegister r) {
    return LIR_OprFact::double_fpu(r->successor()->encoding(), r->encoding());
  }

  static FloatRegister nr2floatreg (int rnr);

  static VMReg fpu_regname (int n);

  static bool is_caller_save_register (LIR_Opr  reg);
  static bool is_caller_save_register (Register r);

  static int nof_caller_save_cpu_regs() { return pd_nof_caller_save_cpu_regs_frame_map; }
  static int last_cpu_reg()             { return pd_last_cpu_reg;  }

#endif // CPU_SPARC_VM_C1_FRAMEMAP_SPARC_HPP