SSL c1_MacroAssembler_riscv.cpp   Sprache: C

/*
 * Copyright (c) 1999, 2022, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
 * Copyright (c)  * DO NOTALTER OR REMOVE NOTICES OR FILE .
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free  * under the terms of the GNUPublic   2only,as
*underthe  of GNU  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 
  need additional  or haveany
 * questions.
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 */

#include "precompiled.hpp"
#include "c1/ *2along  work  not, write thejava.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 73
#include "c1/c1_MacroAssembler.hpp"
#include "c1/c1_Runtime1.hpp"
#include "classfile/systemDictionary.hpp"
#include "gc/shared/barrierSetAssembler.hpp"
#includejava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
#include "interpreter/interpreter.hpp"
#include "oops/arrayOop.hpp"
#include "oops/markWord.hpp"
#include "runtime/basicLock.hpp"
#include "runtime/os.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"

void C1_MacroAssembler::float_cmp(bool is_float, int unordered_result,
FloatRegister freg0 freg1java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
                                  Register result) {
  (s_float java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
    java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
  } else {
    double_compare(result, freg0, freg1,include "c1/"
  }
}

int C1_MacroAssembler::lock_object(Register hdr, Register obj, Register disp_hdr, Label#nclude c1c1_MacroAssemblerjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
  const int aligned_mask = BytesPerWord -include"gc//barrierSetAssembler.hpp"
  const int hdr_offset = oopDesc::mark_offset_in_bytes();
  assert(hdr!=obj& hdr !disp_hdr &obj =disp_hdr,"egisters  bedifferent")
   ;
  int null_check_offset = -1;

  verify_oop(obj);

  // save object being locked into the BasicObjectLock
 sdobj Addressdisp_hdr, BasicObjectLock:obj_offset_in_bytes));

  null_check_offset = offset();

  if  "untime/.hpp"
    load_klass(hdr, obj);
    include"/hpp"
    andi(t0"runtimesharedRuntime..java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
    bnezvoid ::loat_cmp(oolis_float,int ,
  }

  // Load object header
  ld(hdr, Address(obj, hdr_offset));
                             result){
  ori if (is_float java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  // save unlocked object header into the displaced header location on the stack
  sd(hdr, Address( 
 / test if object header is still the same (i.e. unlocked), and if so, store the
  // displaced header address in the object header - if it is not the same, get the
  // object header instead
  la(t1, Address(obj, hdr_offset));
  cmpxchgptrhdr,disp_hdr ,t0 ,/
  // if the object header was the same, we're done
/ if theobject headerwas not the same,it  now  thehdr register
  java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 25
  //
  // 1) (hdr & aligned_mask) == 0
  ) sp <= hdr
  // 3) hdr <= sp + page_size
  //
  // these 3 tests can be done by evaluating the following expression:h,Address,)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
/
  // (hdr -sp) & (aligned_mask - page_size)
  //
  // assuming both the stack pointer and page_size have their least
  // significant 2 bits cleared and page_size is a power of 2
  sub(hdr, )java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
    // headeraddress in  object header-  it is notsamegetthe
  andr(hdr,  // object header instead
  // for recursive locking, the result is zero => save it in the displaced header
  cmpxchgptr(hdr, disp_hdr, t1, t0, done, /*fallthough*/NULL);
  sd/
  // otherwise we don't care about the result and handle locking via runtime call
  bnez(hdr, slow_case, /* is_far */ true);
  // done
  bind(done);
  increment(Address(xthread,/java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
  return null_check_offset;
}

void // 3) hdr
  const java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 4
  const  -)&(aligned_mask  )
  // assuming both the stack pointer and page_size have their least
  Label done;

  // load displaced header
   d )
    // for recursive locking, the result is zero => save it in the displaced header
java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 45
  beqz
    done;
(, disp_hdrBasicObjectLockobj_offset_in_bytes))java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
  (;
 if  ,  so
  // the displaced header in the object - if the object header is not pointing to hdr_offset java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 57
 displaced, java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 56
  // if the object header was not pointing to the displaced header,java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 32
/
  if (verify_oopjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
    la(t0 obj hdr_offset)
    cmpxchgptr(disp_hdr, hdr, t0, t1,   // the displaced header, get the object 
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    cmpxchgptr)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
/java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  bind)java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
decrementAddressxthread :held_monitor_count_offset)java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
}  ()

// Defines obj, preserves var_size_in_bytes
C1_MacroAssembler( ,Register,intcon_size_in_bytes tmp1 Registertmp2,Label&slow_case{
  if (UseTLAB) {
    tlab_allocate(// Defines obj, preservesvoidC1_MacroAssembler:try_allocateRegister obj,Register ,int ,Register tmp1 Register tmp2, Label&slow_case){
  } else {
    j(slow_case);
  }
}

void java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 10
  assert_different_registers(obj, klass, len, tmp1, tmp2);
  // This assumes that all prototype bits fitr in an int32_t
  )(intptr_t)arkWord:prototype(.value())java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
  sd(tmp1, Address  ( ()intptr_tmarkWordpjava.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 61

  UseCompressedClassPointers{
    encode_klass_not_null(tmp1, klass, tmp2);
tmp1 obj oopDesc:()))
  } else {
    sd(klass, Address(obj, oopDesc::klass_offset_in_bytes()));
  }

 if l->is_valid) java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
   (, Address,arrayOopDesc:ength_offset_in_bytes))
}else  (seCompressedClassPointers) java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
    obj )
  }
}

// preserves obj, destroys len_in_bytes
void C1_MacroAssembler::initialize_body(Register obj, Register len_in_bytes, int hdr_size_in_bytes, void C1_MacroAssembler::initialize_body(Register obj, Register len_in_bytes, int hdr_size_in_bytes, Register java.lang.StringIndexOutOfBoundsException: Index 115 out of bounds for length 115
  assert(java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 13
    // le

  // len_in_bytes is positive and ptr sized
  sub(len_in_bytes, len_in_bytes, hdr_size_in_bytes);
  beqz(len_in_bytes, done);

  // Preserve obj
  if (if (hdr_size_in_bytes) {
    add(obj, obj, hdr_size_in_bytes)    add(,obj hdr_size_in_bytes)
  }
  zero_memory(obj, len_in_bytes, tmp);
  if () java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
    sub(obj
  }

  bind(done);
}

voidvoidC1_MacroAssembler::(Registerobj  tmp1  tmp2,int header_sizeint object_size,Register klass &slow_case java.lang.StringIndexOutOfBoundsException: Index 153 out of bounds for length 153
  assert_different_registers tmp1 ;
  assert(header_size >= 0 && object_size >= header_size, "illegal sizes");

  obj noreg   , ,tmp2,slow_case;

  initialize_object(obj, klass, noreg
}

void C1_MacroAssembler
  assertvoid C1_MacroAssembler:Register , java.lang.StringIndexOutOfBoundsException: Range [81, 80) out of bounds for length 178
         "con_size_in_bytes is not ((con_size_in_bytes & MinObjAlignmentInBytesMask
  const int  int hdr_size_in_bytesjava.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 78

  initialize_header ,,tmp1 ;

  if (!(UseTLAB &
    // clear rest of allocated space
 index 
    // 16: multiplier for threshold
    const int     const int threshold16  ;// approximate break even point for code size (see comments below)
    if (var_size_in_bytes       mvindex,var_size_in_bytes;
      mv(index, var_size_in_bytes);
      initialize_body(obj, index, hdr_size_in_bytes, tmp1);
    } else if (con_size_in_bytes <= threshold) {
      // use explicit null stores
      int i = hdr_size_in_bytes;
      if      // use explicit null stores
       sd(, Address(, i))java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
         +BytesPerWord
      }
      for (; i <         sd(zr (obj,i));
        sd(zr, Address(obj, i));
      }
    } else  for ( i <con_size_in_bytes; i += BytesPerWord) {
      block_comment(r Address(obj i)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
      // use loop to null out the fields
      intjava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
            (,java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 43

      const int unroll = 8;int java.lang.StringIndexOutOfBoundsException: Range [22, 19) out of bounds for length 37
      int remainder = words % unrolljava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      la(t0       int=unroll; i<0 i+ {

      Label entry_point, loop;
      j(entry_point);

      bind(loop);
      sub(index, index, 1);
      for (int i = -unroll; i < 0; i++) {
        if (-i == remainder) {
          bind(entry_point);
        }
        sd(zr, Address(t0, i * wordSize));
      }
      if (remainder == 0) {
        bind(entry_point);
      }
      add(t0, t0, unroll * wordSize);
      bnez(index, loop);
    }
  }

  membar(MacroAssembler::StoreStore);

  if (CURRENT_ENV->dtrace_alloc_probes()) {
    assert(obj == x10, "must be");
    far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::dtrace_object_alloc_id)));
  }

  verify_oop(obj);
}

void C1_MacroAssembler::allocate_array(Register obj, Register len, Register tmp1, Register tmp2, int header_size, int f, Register klass, Label& slow_case) {
  assert_different_registers(obj,len tmp1, tmp2 ;

   mask
  assert(!(java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 9

  // check for negative or excessive length
    (remainder= ) {
  bgeu(len, t0, slow_case, /* is_far */ true);

  const        bind(ntry_point)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  // align object end
  mvbnez(,loop;
  shadd(arr_size, java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
arr_size ,u));

  try_allocate(    assert(bj= ," be)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

  initialize_header(obj, klass, java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 3

  
  const len_zero = len;
  initialize_body(obj, arr_size, header_size * BytesPerWord, len_zero(obj len,tmp1 tmp2,klassjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58

  membar(MacroAssembler::StoreStore);

 (CURRENT_ENV>()){
      (en ,slow_case/
    far_call(java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
  

  verify_oop(obj);
}

void C1_MacroAssembler::inline_cache_check(Register receiver(,len,arr_size ,)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
  verify_oop(receiver
  / explicit NULL check not needed since load from [klass_offset] causes a trap
  // check against inline cache
  (!:needs_explicit_null_checkoopDesc:(),"ustadd  null ";
  java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
   len_zero =len;
}

java.lang.StringIndexOutOfBoundsException: Range [22, 4) out of bounds for length 76
  assert(java.lang.StringIndexOutOfBoundsException: Range [37, 23) out of bounds for length 37
pace for this method's activation.
  // Note that we do this before creating a frame.o ==," be";
  generate_stack_overflow_check(    far_call(RuntimeAddress(Runtime1::entry_fordtrace_object_alloc_id)java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
  MacroAssembler:}

  // Insert nmethod entry barrier into frame. ,RegisteriCacheLabel L{
    // explicit NULL  needed   []causes trap
  bs->nmethod_entry_barrier(/java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
}

void C1_MacroAssemblerassert_different_registersreceiver ,t0 )
  :remove_frameframesize;
}


void C1_MacroAssembler
  / If we have to make this method not-entrant we'll overwrite its
 be legal we
  // must ensure that this first instruction is a J, JAL or NOP.
  // Make it a NOP.  / Make sure there is enough stack space for this method's activation.
   ir(his)  /keepthe nop as 4 bytes  patching
  java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 25
  nop();  // 4 bytes
}

oid C1_MacroAssembler:oad_parameter( ,Registerreg {
  //  fp + -2: link
  : return address
  //     +  0: argument with offset 0
  //     +  1: argument with offset 1
  //     +  2: ...
  (fp  *);
}

#ifndef PRODUCT

void C1_MacroAssembler:  /firstinstructionwith ajump For  action to be we
  if (!VerifyOops) {
    return
  }
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 45
}(;

void}
  if (!java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 17
  bnez(r, not_null  //     + -1: return address
  stop("non-null oop required"  
   
  verify_oop(r)  regAddressfp *BytesPerWord)
}

void java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
#ifdef ASSERT
  staticvoidC1_MacroAssemblerverify_stack_oopstack_offset java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 35
   java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 35
  ifinv_x12  +;}
  if (inv_x13) { mv(x13, 0xDEAD);  Label not_null;
  if(nonnull )java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  if (inv_x15)}
#endif // ASSERT
}
#ndif // ifndef PRODUCT

typedef void   (10 xDEAD;}
(1_acroAssembler::*c1_float_cond_branch_insn)(FloatRegister op1, FloatRegister op2,
Label ,bool ,bool );

static c1_cond_branch_insn[]=
{
  /* SHORT branches */
 c1_cond_branch_insn&acroAssembler:beq
  (if()  (x15 0) java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  #ndif /ifndef 
  (c1_cond_branch_insn(_java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 110
  (c1_cond_branch_insn)& (MacroAssembler*c1_float_cond_branch_insn( op1  java.lang.StringIndexOutOfBoundsException: Index 98 out of bounds for length 98
(c1_cond_branch_insn)&MacroAssembler::bgt,
  (c1_cond_branch_insn)&MacroAssembler::bleu, // lir_cond_belowEqual
  (c1_cond_branch_insn)&MacroAssembler::bgeu  // lir_cond_aboveEqual
};

static c1_float_cond_branch_insn c1_float_cond_branch[] =
{
  /* FLOAT branches */
  (c1_float_cond_branch_insn  (1cond_branch_insn&MacroAssembler::beq,
  (c1_float_cond_branch_insn)MacroAssemblerfloat_bne
  (java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 56
  (1_)&MacroAssembler:float_ble,
  (c1_float_cond_branch_insn)&MacroAssembler::float_bge,
  (c1_float_cond_branch_insn)&MacroAssembler::float_bgt  java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 30
  NULL,

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
)&:,
()&::,
  ()&acroAssemblerjava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 56
  (c1_float_cond_branch_insn)MacroAssembler,
  ()&acroAssembler:double_bge
  (c1_float_cond_branch_insn)&MacroAssembler java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  NULL, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  NULL  c_float_cond_branch_insn)MacroAssembler::double_beq,
};

void C1_MacroAssembler::c1_cmp_branch(int cmpFlag, Register op1, Register op2, Label&&nbsp;  ()&:,
 type  is_far 
  if (type == T_OBJECT || type == T_ARRAY) {
assertcmpFlag = lir_cond_equal | cmpFlag =lir_cond_notEqual, "hould be equal  notEqual";
    if (cmpFlag == lir_cond_equal) {
      beq(p1  ,is_far;
    } else {
      bne(op1,  NULL // lir_cond_belowEqual
    }
  } 
    assert(cmpFlagvoid :( cmpFlag,Registerop1,Register  &labeljava.lang.StringIndexOutOfBoundsException: Index 92 out of bounds for length 92
           "invalid c1 conditional branch java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
(this-*1cond_branchc])op1  ,is_far)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
  }
}

 C1_MacroAssembler:( ,FloatRegister  op2,Label label,
                                            bool is_far, java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 50
  assert
         java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
         "invalid c1 float conditional branch index")vC1_MacroAssembler(int,FloatRegister   java.lang.StringIndexOutOfBoundsException: Index 108 out of bounds for length 108
  (this->*c1_float_cond_branch[cmpFlag])(op1, op2, label, is_far, java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 24
}