17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef CPU_PPC_VM_STUBROUTINES_PPC_HPP
27 #define CPU_PPC_VM_STUBROUTINES_PPC_HPP
28
29 // This file holds the platform specific parts of the StubRoutines
30 // definition. See stubRoutines.hpp for a description on how to
31 // extend it.
32
33 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
34
35 enum platform_dependent_constants {
36 code_size1 = 20000, // simply increase if too small (assembler will crash if too small)
37 code_size2 = 20000 // simply increase if too small (assembler will crash if too small)
38 };
39
40 // CRC32 Intrinsics.
41 #define CRC32_COLUMN_SIZE 256
42 #define CRC32_BYFOUR
43 #ifdef CRC32_BYFOUR
44 #define CRC32_TABLES 8
45 #else
46 #define CRC32_TABLES 1
47 #endif
48 #define CRC32_CONSTANTS_SIZE 1084
49 #define CRC32_BARRET_CONSTANTS 10
50
51 class ppc64 {
52 friend class StubGenerator;
53
54 private:
55
56 // CRC32 Intrinsics.
57 static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
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17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef CPU_PPC_VM_STUBROUTINES_PPC_HPP
27 #define CPU_PPC_VM_STUBROUTINES_PPC_HPP
28
29 // This file holds the platform specific parts of the StubRoutines
30 // definition. See stubRoutines.hpp for a description on how to
31 // extend it.
32
33 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
34
35 enum platform_dependent_constants {
36 code_size1 = 20000, // simply increase if too small (assembler will crash if too small)
37 code_size2 = 22000 // simply increase if too small (assembler will crash if too small)
38 };
39
40 // CRC32 Intrinsics.
41 #define CRC32_COLUMN_SIZE 256
42 #define CRC32_BYFOUR
43 #ifdef CRC32_BYFOUR
44 #define CRC32_TABLES 8
45 #else
46 #define CRC32_TABLES 1
47 #endif
48 #define CRC32_CONSTANTS_SIZE 1084
49 #define CRC32_BARRET_CONSTANTS 10
50
51 class ppc64 {
52 friend class StubGenerator;
53
54 private:
55
56 // CRC32 Intrinsics.
57 static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
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