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src/cpu/sparc/vm/jniFastGetField_sparc.cpp

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   1 /*
   2  * Copyright (c) 2004, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  51     case T_CHAR:    name = "jni_fast_GetCharField";    break;
  52     case T_SHORT:   name = "jni_fast_GetShortField";   break;
  53     case T_INT:     name = "jni_fast_GetIntField";     break;
  54     default:        ShouldNotReachHere();
  55   }
  56   ResourceMark rm;
  57   BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
  58   CodeBuffer cbuf(blob);
  59   MacroAssembler* masm = new MacroAssembler(&cbuf);
  60   address fast_entry = __ pc();
  61 
  62   Label label1, label2;
  63 
  64   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
  65   __ sethi (cnt_addrlit, O3);
  66   Address cnt_addr(O3, cnt_addrlit.low10());
  67   __ ld (cnt_addr, G4);
  68   __ andcc (G4, 1, G0);
  69   __ br (Assembler::notZero, false, Assembler::pn, label1);
  70   __ delayed()->srl (O2, 2, O4);
  71   __ andn (O1, JNIHandles::weak_tag_mask, O1);
  72   __ ld_ptr (O1, 0, O5);
  73 
  74   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
  75   speculative_load_pclist[count] = __ pc();
  76   switch (type) {
  77     case T_BOOLEAN: __ ldub (O5, O4, G3);  break;
  78     case T_BYTE:    __ ldsb (O5, O4, G3);  break;
  79     case T_CHAR:    __ lduh (O5, O4, G3);  break;
  80     case T_SHORT:   __ ldsh (O5, O4, G3);  break;
  81     case T_INT:     __ ld (O5, O4, G3);    break;
  82     default:        ShouldNotReachHere();
  83   }
  84 
  85   __ ld (cnt_addr, O5);
  86   __ cmp (O5, G4);
  87   __ br (Assembler::notEqual, false, Assembler::pn, label2);
  88   __ delayed()->mov (O7, G1);
  89   __ retl ();
  90   __ delayed()->mov (G3, O0);
  91 


 131   return generate_fast_get_int_field0(T_INT);
 132 }
 133 
 134 address JNI_FastGetField::generate_fast_get_long_field() {
 135   const char *name = "jni_fast_GetLongField";
 136   ResourceMark rm;
 137   BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
 138   CodeBuffer cbuf(blob);
 139   MacroAssembler* masm = new MacroAssembler(&cbuf);
 140   address fast_entry = __ pc();
 141 
 142   Label label1, label2;
 143 
 144   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
 145   __ sethi (cnt_addrlit, G3);
 146   Address cnt_addr(G3, cnt_addrlit.low10());
 147   __ ld (cnt_addr, G4);
 148   __ andcc (G4, 1, G0);
 149   __ br (Assembler::notZero, false, Assembler::pn, label1);
 150   __ delayed()->srl (O2, 2, O4);
 151   __ andn (O1, JNIHandles::weak_tag_mask, O1);
 152   __ ld_ptr (O1, 0, O5);
 153   __ add (O5, O4, O5);
 154 
 155 #ifndef _LP64
 156   assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small");
 157   speculative_load_pclist[count++] = __ pc();
 158   __ ld (O5, 0, G2);
 159 
 160   speculative_load_pclist[count] = __ pc();
 161   __ ld (O5, 4, O3);
 162 #else
 163   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
 164   speculative_load_pclist[count] = __ pc();
 165   __ ldx (O5, 0, O3);
 166 #endif
 167 
 168   __ ld (cnt_addr, G1);
 169   __ cmp (G1, G4);
 170   __ br (Assembler::notEqual, false, Assembler::pn, label2);
 171   __ delayed()->mov (O7, G1);


 204   switch (type) {
 205     case T_FLOAT:  name = "jni_fast_GetFloatField";  break;
 206     case T_DOUBLE: name = "jni_fast_GetDoubleField"; break;
 207     default:       ShouldNotReachHere();
 208   }
 209   ResourceMark rm;
 210   BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
 211   CodeBuffer cbuf(blob);
 212   MacroAssembler* masm = new MacroAssembler(&cbuf);
 213   address fast_entry = __ pc();
 214 
 215   Label label1, label2;
 216 
 217   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
 218   __ sethi (cnt_addrlit, O3);
 219   Address cnt_addr(O3, cnt_addrlit.low10());
 220   __ ld (cnt_addr, G4);
 221   __ andcc (G4, 1, G0);
 222   __ br (Assembler::notZero, false, Assembler::pn, label1);
 223   __ delayed()->srl (O2, 2, O4);
 224   __ andn (O1, JNIHandles::weak_tag_mask, O1);
 225   __ ld_ptr (O1, 0, O5);
 226 
 227   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
 228   speculative_load_pclist[count] = __ pc();
 229   switch (type) {
 230     case T_FLOAT:  __ ldf (FloatRegisterImpl::S, O5, O4, F0); break;
 231     case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break;
 232     default:       ShouldNotReachHere();
 233   }
 234 
 235   __ ld (cnt_addr, O5);
 236   __ cmp (O5, G4);
 237   __ br (Assembler::notEqual, false, Assembler::pn, label2);
 238   __ delayed()->mov (O7, G1);
 239 
 240   __ retl ();
 241   __ delayed()-> nop ();
 242 
 243   slowcase_entry_pclist[count++] = __ pc();
 244   __ bind (label1);


   1 /*
   2  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  51     case T_CHAR:    name = "jni_fast_GetCharField";    break;
  52     case T_SHORT:   name = "jni_fast_GetShortField";   break;
  53     case T_INT:     name = "jni_fast_GetIntField";     break;
  54     default:        ShouldNotReachHere();
  55   }
  56   ResourceMark rm;
  57   BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
  58   CodeBuffer cbuf(blob);
  59   MacroAssembler* masm = new MacroAssembler(&cbuf);
  60   address fast_entry = __ pc();
  61 
  62   Label label1, label2;
  63 
  64   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
  65   __ sethi (cnt_addrlit, O3);
  66   Address cnt_addr(O3, cnt_addrlit.low10());
  67   __ ld (cnt_addr, G4);
  68   __ andcc (G4, 1, G0);
  69   __ br (Assembler::notZero, false, Assembler::pn, label1);
  70   __ delayed()->srl (O2, 2, O4);

  71   __ ld_ptr (O1, 0, O5);
  72 
  73   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
  74   speculative_load_pclist[count] = __ pc();
  75   switch (type) {
  76     case T_BOOLEAN: __ ldub (O5, O4, G3);  break;
  77     case T_BYTE:    __ ldsb (O5, O4, G3);  break;
  78     case T_CHAR:    __ lduh (O5, O4, G3);  break;
  79     case T_SHORT:   __ ldsh (O5, O4, G3);  break;
  80     case T_INT:     __ ld (O5, O4, G3);    break;
  81     default:        ShouldNotReachHere();
  82   }
  83 
  84   __ ld (cnt_addr, O5);
  85   __ cmp (O5, G4);
  86   __ br (Assembler::notEqual, false, Assembler::pn, label2);
  87   __ delayed()->mov (O7, G1);
  88   __ retl ();
  89   __ delayed()->mov (G3, O0);
  90 


 130   return generate_fast_get_int_field0(T_INT);
 131 }
 132 
 133 address JNI_FastGetField::generate_fast_get_long_field() {
 134   const char *name = "jni_fast_GetLongField";
 135   ResourceMark rm;
 136   BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
 137   CodeBuffer cbuf(blob);
 138   MacroAssembler* masm = new MacroAssembler(&cbuf);
 139   address fast_entry = __ pc();
 140 
 141   Label label1, label2;
 142 
 143   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
 144   __ sethi (cnt_addrlit, G3);
 145   Address cnt_addr(G3, cnt_addrlit.low10());
 146   __ ld (cnt_addr, G4);
 147   __ andcc (G4, 1, G0);
 148   __ br (Assembler::notZero, false, Assembler::pn, label1);
 149   __ delayed()->srl (O2, 2, O4);

 150   __ ld_ptr (O1, 0, O5);
 151   __ add (O5, O4, O5);
 152 
 153 #ifndef _LP64
 154   assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small");
 155   speculative_load_pclist[count++] = __ pc();
 156   __ ld (O5, 0, G2);
 157 
 158   speculative_load_pclist[count] = __ pc();
 159   __ ld (O5, 4, O3);
 160 #else
 161   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
 162   speculative_load_pclist[count] = __ pc();
 163   __ ldx (O5, 0, O3);
 164 #endif
 165 
 166   __ ld (cnt_addr, G1);
 167   __ cmp (G1, G4);
 168   __ br (Assembler::notEqual, false, Assembler::pn, label2);
 169   __ delayed()->mov (O7, G1);


 202   switch (type) {
 203     case T_FLOAT:  name = "jni_fast_GetFloatField";  break;
 204     case T_DOUBLE: name = "jni_fast_GetDoubleField"; break;
 205     default:       ShouldNotReachHere();
 206   }
 207   ResourceMark rm;
 208   BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
 209   CodeBuffer cbuf(blob);
 210   MacroAssembler* masm = new MacroAssembler(&cbuf);
 211   address fast_entry = __ pc();
 212 
 213   Label label1, label2;
 214 
 215   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
 216   __ sethi (cnt_addrlit, O3);
 217   Address cnt_addr(O3, cnt_addrlit.low10());
 218   __ ld (cnt_addr, G4);
 219   __ andcc (G4, 1, G0);
 220   __ br (Assembler::notZero, false, Assembler::pn, label1);
 221   __ delayed()->srl (O2, 2, O4);

 222   __ ld_ptr (O1, 0, O5);
 223 
 224   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
 225   speculative_load_pclist[count] = __ pc();
 226   switch (type) {
 227     case T_FLOAT:  __ ldf (FloatRegisterImpl::S, O5, O4, F0); break;
 228     case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break;
 229     default:       ShouldNotReachHere();
 230   }
 231 
 232   __ ld (cnt_addr, O5);
 233   __ cmp (O5, G4);
 234   __ br (Assembler::notEqual, false, Assembler::pn, label2);
 235   __ delayed()->mov (O7, G1);
 236 
 237   __ retl ();
 238   __ delayed()-> nop ();
 239 
 240   slowcase_entry_pclist[count++] = __ pc();
 241   __ bind (label1);


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