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comparison src/cpu/sparc/vm/interpreterRT_sparc.cpp @ 727:6b2273dd6fa9

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6822110: Add AddressLiteral class on SPARC Summary: The Address class on SPARC currently handles both, addresses and address literals, what makes the Address class more complicated than it has to be. Reviewed-by: never, kvn
author twisti
date Tue, 21 Apr 2009 11:16:30 -0700
parents a61af66fc99e
children 2338d41fbd81
comparison
equal deleted inserted replaced
725:928912ce8438 727:6b2273dd6fa9
1 /* 1 /*
2 * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1998-2009 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
103 Register Rtmp3 = G3_scratch; 103 Register Rtmp3 = G3_scratch;
104 104
105 // the handle for a receiver will never be null 105 // the handle for a receiver will never be null
106 bool do_NULL_check = offset() != 0 || is_static(); 106 bool do_NULL_check = offset() != 0 || is_static();
107 107
108 Address h_arg = Address(Llocals, 0, Interpreter::local_offset_in_bytes(offset())); 108 Address h_arg = Address(Llocals, Interpreter::local_offset_in_bytes(offset()));
109 __ ld_ptr(h_arg, Rtmp1); 109 __ ld_ptr(h_arg, Rtmp1);
110 #ifdef ASSERT 110 #ifdef ASSERT
111 if (TaggedStackInterpreter) { 111 if (TaggedStackInterpreter) {
112 // check we have the obj and not the tag 112 // check we have the obj and not the tag
113 Label ok; 113 Label ok;
118 __ stop("Native object passed tag by mistake"); 118 __ stop("Native object passed tag by mistake");
119 __ bind(ok); 119 __ bind(ok);
120 } 120 }
121 #endif // ASSERT 121 #endif // ASSERT
122 if (!do_NULL_check) { 122 if (!do_NULL_check) {
123 __ add(h_arg, Rtmp2); 123 __ add(h_arg.base(), h_arg.disp(), Rtmp2);
124 } else { 124 } else {
125 if (Rtmp1 == Rtmp2) 125 if (Rtmp1 == Rtmp2)
126 __ tst(Rtmp1); 126 __ tst(Rtmp1);
127 else __ addcc(G0, Rtmp1, Rtmp2); // optimize mov/test pair 127 else __ addcc(G0, Rtmp1, Rtmp2); // optimize mov/test pair
128 Label L; 128 Label L;
129 __ brx(Assembler::notZero, true, Assembler::pt, L); 129 __ brx(Assembler::notZero, true, Assembler::pt, L);
130 __ delayed()->add(h_arg, Rtmp2); 130 __ delayed()->add(h_arg.base(), h_arg.disp(), Rtmp2);
131 __ bind(L); 131 __ bind(L);
132 } 132 }
133 __ store_ptr_argument(Rtmp2, jni_arg); // this is often a no-op 133 __ store_ptr_argument(Rtmp2, jni_arg); // this is often a no-op
134 } 134 }
135 135
138 138
139 // generate code to handle arguments 139 // generate code to handle arguments
140 iterate(fingerprint); 140 iterate(fingerprint);
141 141
142 // return result handler 142 // return result handler
143 Address result_handler(Lscratch, Interpreter::result_handler(method()->result_type())); 143 AddressLiteral result_handler(Interpreter::result_handler(method()->result_type()));
144 __ sethi(result_handler); 144 __ sethi(result_handler, Lscratch);
145 __ retl(); 145 __ retl();
146 __ delayed()->add(result_handler, result_handler.base()); 146 __ delayed()->add(Lscratch, result_handler.low10(), Lscratch);
147 147
148 __ flush(); 148 __ flush();
149 } 149 }
150 150
151 151