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src/cpu/x86/vm/interp_masm_x86_32.cpp

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   1 /*
   2  * Copyright (c) 1997, 2016, 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  *


1428     get_thread(rbx);
1429     get_method(rcx);
1430     call_VM_leaf(
1431       CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
1432       rbx, rcx);
1433     NOT_CC_INTERP(pop(state));
1434   }
1435 }
1436 
1437 // Jump if ((*counter_addr += increment) & mask) satisfies the condition.
1438 void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
1439                                                         int increment, int mask,
1440                                                         Register scratch, bool preloaded,
1441                                                         Condition cond, Label* where) {
1442   if (!preloaded) {
1443     movl(scratch, counter_addr);
1444   }
1445   incrementl(scratch, increment);
1446   movl(counter_addr, scratch);
1447   andl(scratch, mask);

1448   jcc(cond, *where);

1449 }
   1 /*
   2  * Copyright (c) 1997, 2018, 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  *


1428     get_thread(rbx);
1429     get_method(rcx);
1430     call_VM_leaf(
1431       CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
1432       rbx, rcx);
1433     NOT_CC_INTERP(pop(state));
1434   }
1435 }
1436 
1437 // Jump if ((*counter_addr += increment) & mask) satisfies the condition.
1438 void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
1439                                                         int increment, int mask,
1440                                                         Register scratch, bool preloaded,
1441                                                         Condition cond, Label* where) {
1442   if (!preloaded) {
1443     movl(scratch, counter_addr);
1444   }
1445   incrementl(scratch, increment);
1446   movl(counter_addr, scratch);
1447   andl(scratch, mask);
1448   if (where != NULL) {
1449     jcc(cond, *where);
1450   }
1451 }
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