1 /* 2 * Copyright (c) 2005, 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 */ 24 25 #include "incls/_precompiled.incl" 26 #include "incls/_sharedRuntimeTrans.cpp.incl" 27 28 // This file contains copies of the fdlibm routines used by 29 // StrictMath. It turns out that it is almost always required to use 30 // these runtime routines; the Intel CPU doesn't meet the Java 31 // specification for sin/cos outside a certain limited argument range, 32 // and the SPARC CPU doesn't appear to have sin/cos instructions. It 33 // also turns out that avoiding the indirect call through function 34 // pointer out to libjava.so in SharedRuntime speeds these routines up 35 // by roughly 15% on both Win32/x86 and Solaris/SPARC. 36 37 // Enabling optimizations in this file causes incorrect code to be 38 // generated; can not figure out how to turn down optimization for one 39 // file in the IDE on Windows 40 #ifdef WIN32 41 # pragma optimize ( "", off ) 42 #endif 43 44 #include <math.h> 45 46 // VM_LITTLE_ENDIAN is #defined appropriately in the Makefiles | 1 /* 2 * Copyright (c) 2005, 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 */ 24 25 #include "precompiled.hpp" 26 #include "prims/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 optimize ( "", off ) 44 #endif 45 46 #include <math.h> 47 48 // VM_LITTLE_ENDIAN is #defined appropriately in the Makefiles |