< prev index next >

src/cpu/x86/vm/interp_masm_x86_64.cpp

Print this page


   1 /*
   2  * Copyright (c) 2003, 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  *


1488     SkipIfEqual skip(this, &DTraceMethodProbes, false);
1489     NOT_CC_INTERP(push(state));
1490     get_method(c_rarg1);
1491     call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
1492                  r15_thread, c_rarg1);
1493     NOT_CC_INTERP(pop(state));
1494   }
1495 }
1496 
1497 // Jump if ((*counter_addr += increment) & mask) satisfies the condition.
1498 void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
1499                                                         int increment, int mask,
1500                                                         Register scratch, bool preloaded,
1501                                                         Condition cond, Label* where) {
1502   if (!preloaded) {
1503     movl(scratch, counter_addr);
1504   }
1505   incrementl(scratch, increment);
1506   movl(counter_addr, scratch);
1507   andl(scratch, mask);

1508   jcc(cond, *where);

1509 }
   1 /*
   2  * Copyright (c) 2003, 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  *


1488     SkipIfEqual skip(this, &DTraceMethodProbes, false);
1489     NOT_CC_INTERP(push(state));
1490     get_method(c_rarg1);
1491     call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
1492                  r15_thread, c_rarg1);
1493     NOT_CC_INTERP(pop(state));
1494   }
1495 }
1496 
1497 // Jump if ((*counter_addr += increment) & mask) satisfies the condition.
1498 void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
1499                                                         int increment, int mask,
1500                                                         Register scratch, bool preloaded,
1501                                                         Condition cond, Label* where) {
1502   if (!preloaded) {
1503     movl(scratch, counter_addr);
1504   }
1505   incrementl(scratch, increment);
1506   movl(counter_addr, scratch);
1507   andl(scratch, mask);
1508   if (where != NULL) {
1509     jcc(cond, *where);
1510   }
1511 }
< prev index next >