5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 class BiasedLockingCounters;
26
27 // Contains all the definitions needed for x86 assembly code generation.
28
29 // Calling convention
30 class Argument VALUE_OBJ_CLASS_SPEC {
31 public:
32 enum {
33 #ifdef _LP64
34 #ifdef _WIN64
35 n_int_register_parameters_c = 4, // rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...)
36 n_float_register_parameters_c = 4, // xmm0 - xmm3 (c_farg0, c_farg1, ... )
37 #else
38 n_int_register_parameters_c = 6, // rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...)
39 n_float_register_parameters_c = 8, // xmm0 - xmm7 (c_farg0, c_farg1, ... )
40 #endif // _WIN64
41 n_int_register_parameters_j = 6, // j_rarg0, j_rarg1, ...
42 n_float_register_parameters_j = 8 // j_farg0, j_farg1, ...
43 #else
44 n_register_parameters = 0 // 0 registers used to pass arguments
2255 * class SkipIfEqual:
2256 *
2257 * Instantiating this class will result in assembly code being output that will
2258 * jump around any code emitted between the creation of the instance and it's
2259 * automatic destruction at the end of a scope block, depending on the value of
2260 * the flag passed to the constructor, which will be checked at run-time.
2261 */
2262 class SkipIfEqual {
2263 private:
2264 MacroAssembler* _masm;
2265 Label _label;
2266
2267 public:
2268 SkipIfEqual(MacroAssembler*, const bool* flag_addr, bool value);
2269 ~SkipIfEqual();
2270 };
2271
2272 #ifdef ASSERT
2273 inline bool AbstractAssembler::pd_check_instruction_mark() { return true; }
2274 #endif
|
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_VM_ASSEMBLER_X86_HPP
26 #define CPU_X86_VM_ASSEMBLER_X86_HPP
27
28 class BiasedLockingCounters;
29
30 // Contains all the definitions needed for x86 assembly code generation.
31
32 // Calling convention
33 class Argument VALUE_OBJ_CLASS_SPEC {
34 public:
35 enum {
36 #ifdef _LP64
37 #ifdef _WIN64
38 n_int_register_parameters_c = 4, // rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...)
39 n_float_register_parameters_c = 4, // xmm0 - xmm3 (c_farg0, c_farg1, ... )
40 #else
41 n_int_register_parameters_c = 6, // rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...)
42 n_float_register_parameters_c = 8, // xmm0 - xmm7 (c_farg0, c_farg1, ... )
43 #endif // _WIN64
44 n_int_register_parameters_j = 6, // j_rarg0, j_rarg1, ...
45 n_float_register_parameters_j = 8 // j_farg0, j_farg1, ...
46 #else
47 n_register_parameters = 0 // 0 registers used to pass arguments
2258 * class SkipIfEqual:
2259 *
2260 * Instantiating this class will result in assembly code being output that will
2261 * jump around any code emitted between the creation of the instance and it's
2262 * automatic destruction at the end of a scope block, depending on the value of
2263 * the flag passed to the constructor, which will be checked at run-time.
2264 */
2265 class SkipIfEqual {
2266 private:
2267 MacroAssembler* _masm;
2268 Label _label;
2269
2270 public:
2271 SkipIfEqual(MacroAssembler*, const bool* flag_addr, bool value);
2272 ~SkipIfEqual();
2273 };
2274
2275 #ifdef ASSERT
2276 inline bool AbstractAssembler::pd_check_instruction_mark() { return true; }
2277 #endif
2278
2279 #endif // CPU_X86_VM_ASSEMBLER_X86_HPP
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