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 */
24
25 #include "precompiled.hpp"
26 #include "jni.h"
27 #include "runtime/interfaceSupport.hpp"
28 #include "runtime/sharedRuntime.hpp"
29
30 // This file contains copies of the fdlibm routines used by
31 // StrictMath. It turns out that it is almost always required to use
32 // these runtime routines; the Intel CPU doesn't meet the Java
33 // specification for sin/cos outside a certain limited argument range,
34 // and the SPARC CPU doesn't appear to have sin/cos instructions. It
35 // also turns out that avoiding the indirect call through function
36 // pointer out to libjava.so in SharedRuntime speeds these routines up
37 // by roughly 15% on both Win32/x86 and Solaris/SPARC.
38
39 // Enabling optimizations in this file causes incorrect code to be
40 // generated; can not figure out how to turn down optimization for one
41 // file in the IDE on Windows
42 #ifdef WIN32
43 # pragma warning( disable: 4748 ) // /GS can not protect parameters and local variables from local buffer overrun because optimizations are disabled in function
44 # pragma optimize ( "", off )
45 #endif
46
47 #include "runtime/sharedRuntimeMath.hpp"
|
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 */
24
25 #include "precompiled.hpp"
26 #include "jni.h"
27 #include "runtime/interfaceSupport.inline.hpp"
28 #include "runtime/sharedRuntime.hpp"
29
30 // This file contains copies of the fdlibm routines used by
31 // StrictMath. It turns out that it is almost always required to use
32 // these runtime routines; the Intel CPU doesn't meet the Java
33 // specification for sin/cos outside a certain limited argument range,
34 // and the SPARC CPU doesn't appear to have sin/cos instructions. It
35 // also turns out that avoiding the indirect call through function
36 // pointer out to libjava.so in SharedRuntime speeds these routines up
37 // by roughly 15% on both Win32/x86 and Solaris/SPARC.
38
39 // Enabling optimizations in this file causes incorrect code to be
40 // generated; can not figure out how to turn down optimization for one
41 // file in the IDE on Windows
42 #ifdef WIN32
43 # pragma warning( disable: 4748 ) // /GS can not protect parameters and local variables from local buffer overrun because optimizations are disabled in function
44 # pragma optimize ( "", off )
45 #endif
46
47 #include "runtime/sharedRuntimeMath.hpp"
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