src/hotspot/cpu/ppc/c2_MacroAssembler_ppc.hpp

/*
 * Copyright (c) 2020, 2024, 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.
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#ifndef CPU_PPC_C2_MACROASSEMBLER_PPC_HPP
#define CPU_PPC_C2_MACROASSEMBLER_PPC_HPP

// C2_MacroAssembler contains high-level macros for C2

 public:
  // Code used by cmpFastLockLightweight and cmpFastUnlockLightweight mach instructions in .ad file.
  void fast_lock_lightweight(ConditionRegister flag, Register obj, Register box,
                             Register tmp1, Register tmp2, Register tmp3);
  void fast_unlock_lightweight(ConditionRegister flag, Register obj, Register box,
                               Register tmp1, Register tmp2, Register tmp3);

  void load_narrow_klass_compact_c2(Register dst, Register obj, int disp);

  // Intrinsics for CompactStrings
  // Compress char[] to byte[] by compressing 16 bytes at once.
  void string_compress_16(Register src, Register dst, Register cnt,
                          Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5,
                          Label& Lfailure, bool ascii = false);

  // Compress char[] to byte[]. cnt must be positive int.
  void string_compress(Register src, Register dst, Register cnt, Register tmp,
                       Label& Lfailure, bool ascii = false);

  // Encode UTF16 to ISO_8859_1 or ASCII. Return len on success or position of first mismatch.
  void encode_iso_array(Register src, Register dst, Register len,
                        Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5,
                        Register result, bool ascii);

  // Inflate byte[] to char[] by inflating 16 bytes at once.
  void string_inflate_16(Register src, Register dst, Register cnt,
                         Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5);

  // Inflate byte[] to char[]. cnt must be positive int.
  void string_inflate(Register src, Register dst, Register cnt, Register tmp);

  void string_compare(Register str1, Register str2, Register cnt1, Register cnt2,
                      Register tmp1, Register result, int ae);

  void array_equals(bool is_array_equ, Register ary1, Register ary2,
                    Register limit, Register tmp1, Register result, bool is_byte);

  void string_indexof(Register result, Register haystack, Register haycnt,
                      Register needle, ciTypeArray* needle_values, Register needlecnt, int needlecntval,
                      Register tmp1, Register tmp2, Register tmp3, Register tmp4, int ae);

  void string_indexof_char(Register result, Register haystack, Register haycnt,
                           Register needle, jchar needleChar, Register tmp1, Register tmp2, bool is_byte);

  void count_positives(Register src, Register cnt, Register result, Register tmp1, Register tmp2);

  void reduceI(int opcode, Register dst, Register iSrc, VectorRegister vSrc, VectorRegister vTmp1, VectorRegister vTmp2);

#endif // CPU_PPC_C2_MACROASSEMBLER_PPC_HPP