src/hotspot/cpu/x86/vmreg_x86.cpp - master - githubmirror/panama-vector

src/hotspot/cpu/x86/vmreg_x86.cpp

65 строк2 KB

Manuel Hässig

8354853: Clean up x86 registers after 32-bit x86 removal

15 янв 2026, 10:50

15 янв 2026, 10:50f6d26c6

/*
 * Copyright (c) 2006, 2026, 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.
 *
 */

#include "asm/assembler.hpp"
#include "code/vmreg.hpp"
#include "vmreg_x86.inline.hpp"


void VMRegImpl::set_regName() {
  Register reg = ::as_Register(0);
  int i;
  for (i = 0; i < ConcreteRegisterImpl::max_gpr ; ) {
    regName[i++] = reg->name();
    regName[i++] = reg->name();
    reg = reg->successor();
  }

  FloatRegister freg = ::as_FloatRegister(0);
  for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
    regName[i++] = freg->name();
    regName[i++] = freg->name();
    freg = freg->successor();
  }

  XMMRegister xreg = ::as_XMMRegister(0);
  for (; i < ConcreteRegisterImpl::max_xmm;) {
    for (int j = 0 ; j < XMMRegister::max_slots_per_register ; j++) {
      regName[i++] = xreg->name();
    }
    xreg = xreg->successor();
  }

  KRegister kreg = ::as_KRegister(0);
  for (; i < ConcreteRegisterImpl::max_kpr;) {
    for (int j = 0; j < KRegister::max_slots_per_register; j++) {
      regName[i++] = kreg->name();
    }
    kreg = kreg->successor();
  }

  for ( ; i < ConcreteRegisterImpl::number_of_registers ; i ++ ) {
    regName[i] = "NON-GPR-FPR-XMM-KREG";
  }
}