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 #include "precompiled.hpp"
26 #include "asm/assembler.hpp"
27 #include "asm/assembler.inline.hpp"
28 #include "ci/ciEnv.hpp"
29 #include "gc/shared/cardTableModRefBS.hpp"
30 #include "gc/shared/collectedHeap.inline.hpp"
31 #include "interpreter/interpreter.hpp"
32 #include "interpreter/interpreterRuntime.hpp"
33 #include "interpreter/templateInterpreterGenerator.hpp"
34 #include "memory/resourceArea.hpp"
35 #include "prims/jvm_misc.hpp"
36 #include "prims/methodHandles.hpp"
37 #include "runtime/biasedLocking.hpp"
38 #include "runtime/interfaceSupport.hpp"
39 #include "runtime/objectMonitor.hpp"
40 #include "runtime/os.hpp"
41 #include "runtime/sharedRuntime.hpp"
42 #include "runtime/stubRoutines.hpp"
43 #include "utilities/hashtable.hpp"
44 #include "utilities/macros.hpp"
45 #if INCLUDE_ALL_GCS
46 #include "gc/g1/g1BarrierSet.hpp"
47 #include "gc/g1/g1CollectedHeap.inline.hpp"
48 #include "gc/g1/heapRegion.hpp"
49 #endif // INCLUDE_ALL_GCS
50
51 // Returns whether given imm has equal bit fields <0:size-1> and <size:2*size-1>.
52 inline bool Assembler::LogicalImmediate::has_equal_subpatterns(uintx imm, int size) {
53 uintx mask = right_n_bits(size);
54 uintx subpattern1 = mask_bits(imm, mask);
55 uintx subpattern2 = mask_bits(imm >> size, mask);
56 return subpattern1 == subpattern2;
57 }
58
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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 #include "precompiled.hpp"
26 #include "asm/assembler.hpp"
27 #include "asm/assembler.inline.hpp"
28 #include "ci/ciEnv.hpp"
29 #include "gc/shared/cardTableModRefBS.hpp"
30 #include "gc/shared/collectedHeap.inline.hpp"
31 #include "interpreter/interpreter.hpp"
32 #include "interpreter/interpreterRuntime.hpp"
33 #include "interpreter/templateInterpreterGenerator.hpp"
34 #include "memory/resourceArea.hpp"
35 #include "prims/jvm_misc.hpp"
36 #include "prims/methodHandles.hpp"
37 #include "runtime/biasedLocking.hpp"
38 #include "runtime/interfaceSupport.inline.hpp"
39 #include "runtime/objectMonitor.hpp"
40 #include "runtime/os.hpp"
41 #include "runtime/sharedRuntime.hpp"
42 #include "runtime/stubRoutines.hpp"
43 #include "utilities/hashtable.hpp"
44 #include "utilities/macros.hpp"
45 #if INCLUDE_ALL_GCS
46 #include "gc/g1/g1BarrierSet.hpp"
47 #include "gc/g1/g1CollectedHeap.inline.hpp"
48 #include "gc/g1/heapRegion.hpp"
49 #endif // INCLUDE_ALL_GCS
50
51 // Returns whether given imm has equal bit fields <0:size-1> and <size:2*size-1>.
52 inline bool Assembler::LogicalImmediate::has_equal_subpatterns(uintx imm, int size) {
53 uintx mask = right_n_bits(size);
54 uintx subpattern1 = mask_bits(imm, mask);
55 uintx subpattern2 = mask_bits(imm >> size, mask);
56 return subpattern1 == subpattern2;
57 }
58
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