diff src/cpu/x86/vm/stubRoutines_x86.hpp @ 11080:b800986664f4

7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test Reviewed-by: kvn, twisti
author drchase
date Tue, 02 Jul 2013 20:42:12 -0400
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+++ b/src/cpu/x86/vm/stubRoutines_x86.hpp	Tue Jul 02 20:42:12 2013 -0400
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+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. 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_X86_VM_STUBROUTINES_X86_HPP
+#define CPU_X86_VM_STUBROUTINES_X86_HPP
+
+// This file holds the platform specific parts of the StubRoutines
+// definition. See stubRoutines.hpp for a description on how to
+// extend it.
+
+ private:
+  static address _verify_mxcsr_entry;
+  // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers
+  static address _key_shuffle_mask_addr;
+  // masks and table for CRC32
+  static uint64_t _crc_by128_masks[];
+  static juint    _crc_table[];
+
+ public:
+  static address verify_mxcsr_entry()    { return _verify_mxcsr_entry; }
+  static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; }
+  static address crc_by128_masks_addr()  { return (address)_crc_by128_masks; }
+
+#endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP