Wed, 07 May 2008 08:06:46 -0700
6603011: RFE: Optimize long division
Summary: Transform long division by constant into multiply
Reviewed-by: never, kvn
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | #include "incls/_precompiled.incl" |
duke@435 | 26 | #include "incls/_stubRoutines_x86_64.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | // Implementation of the platform-specific part of StubRoutines - for |
duke@435 | 29 | // a description of how to extend it, see the stubRoutines.hpp file. |
duke@435 | 30 | |
duke@435 | 31 | address StubRoutines::amd64::_get_previous_fp_entry = NULL; |
duke@435 | 32 | |
duke@435 | 33 | address StubRoutines::amd64::_verify_mxcsr_entry = NULL; |
duke@435 | 34 | |
duke@435 | 35 | address StubRoutines::amd64::_f2i_fixup = NULL; |
duke@435 | 36 | address StubRoutines::amd64::_f2l_fixup = NULL; |
duke@435 | 37 | address StubRoutines::amd64::_d2i_fixup = NULL; |
duke@435 | 38 | address StubRoutines::amd64::_d2l_fixup = NULL; |
duke@435 | 39 | address StubRoutines::amd64::_float_sign_mask = NULL; |
duke@435 | 40 | address StubRoutines::amd64::_float_sign_flip = NULL; |
duke@435 | 41 | address StubRoutines::amd64::_double_sign_mask = NULL; |
duke@435 | 42 | address StubRoutines::amd64::_double_sign_flip = NULL; |
duke@435 | 43 | address StubRoutines::amd64::_mxcsr_std = NULL; |