| /* |
| * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2014, Red Hat Inc. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_AARCH64_VM_ASSEMBLER_AARCH64_INLINE_HPP |
| #define CPU_AARCH64_VM_ASSEMBLER_AARCH64_INLINE_HPP |
| |
| #include "asm/assembler.inline.hpp" |
| #include "asm/codeBuffer.hpp" |
| #include "code/codeCache.hpp" |
| |
| |
| inline bool Address::offset_ok_for_immed(int64_t offset, uint shift) { |
| uint mask = (1 << shift) - 1; |
| if (offset < 0 || (offset & mask) != 0) { |
| // Unscaled signed offset, encoded in a signed imm9 field. |
| return Assembler::is_simm9(offset); |
| } else { |
| // Scaled unsigned offset, encoded in an unsigned imm12:_ field. |
| return Assembler::is_uimm12(offset >> shift); |
| } |
| } |
| |
| #endif // CPU_AARCH64_VM_ASSEMBLER_AARCH64_INLINE_HPP |