Fri, 30 Apr 2010 08:37:24 -0700
6943304: remove tagged stack interpreter
Reviewed-by: coleenp, never, gbenson
duke@435 | 1 | /* |
twisti@1861 | 2 | * Copyright 1997-2010 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 | public: |
duke@435 | 26 | |
twisti@1861 | 27 | static int expr_offset_in_bytes(int i) { return stackElementSize * i + wordSize; } |
duke@435 | 28 | |
duke@435 | 29 | // Stack index relative to tos (which points at value) |
twisti@1861 | 30 | static int expr_index_at(int i) { return stackElementWords * i; } |
duke@435 | 31 | |
duke@435 | 32 | // Already negated by c++ interpreter |
twisti@1861 | 33 | static int local_index_at(int i) { |
twisti@1861 | 34 | assert(i <= 0, "local direction already negated"); |
twisti@1861 | 35 | return stackElementWords * i; |
duke@435 | 36 | } |