jdk8-mips64-public/hotspot: src/cpu/sparc/vm/stubRoutines

7063628: Use cbcond on T4
Summary: Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose

     1 /*

     2  * Copyright (c) 1997, 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  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "runtime/deoptimization.hpp"

    27 #include "runtime/frame.inline.hpp"

    28 #include "runtime/stubRoutines.hpp"

    29 #ifdef TARGET_OS_FAMILY_linux

    30 # include "thread_linux.inline.hpp"

    31 #endif

    32 #ifdef TARGET_OS_FAMILY_solaris

    33 # include "thread_solaris.inline.hpp"

    34 #endif

    36 // Implementation of the platform-specific part of StubRoutines - for

    37 // a description of how to extend it, see the stubRoutines.hpp file.

    40 extern "C" {

    41   address _flush_reg_windows();   // in .s file.

    42   // Flush registers to stack. In case of error we will need to stack walk.

    43   address bootstrap_flush_windows(void) {

    44     Thread* thread = ThreadLocalStorage::get_thread_slow();

    45     // Very early in process there is no thread.

    46     if (thread != NULL) {

    47       guarantee(thread->is_Java_thread(), "Not a Java thread.");

    48       JavaThread* jt = (JavaThread*)thread;

    49       guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");

    50     }

    51     return (address)_flush_reg_windows();

    52   };

    53 };

    55 address StubRoutines::Sparc::_test_stop_entry = NULL;

    56 address StubRoutines::Sparc::_stop_subroutine_entry = NULL;

    57 address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);

    59 address StubRoutines::Sparc::_partial_subtype_check = NULL;

    61 int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked;

    63 int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];

src/cpu/sparc/vm/stubRoutines_sparc.cpp@3d42f82cd811