Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/stubGenerator_sparc.cpp
src/cpu/sparc/vm/stubGenerator_sparc.cpp
- changeset 1861
- 2338d41fbd81
- parent 1858
- c640000b7cc1
- child 1907
- c18cbe5936b8
- child 1919
- 61b2245abf36
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replaced
| 1860:0c5b3cf3c1f5 | 1861:2338d41fbd81 |
|---|---|
| 137 // create activation frame & allocate space for parameters | 137 // create activation frame & allocate space for parameters |
| 138 { const Register t = G3_scratch; | 138 { const Register t = G3_scratch; |
| 139 __ ld_ptr(parameter_size.as_address(), t); // get parameter size (in words) | 139 __ ld_ptr(parameter_size.as_address(), t); // get parameter size (in words) |
| 140 __ add(t, frame::memory_parameter_word_sp_offset, t); // add space for save area (in words) | 140 __ add(t, frame::memory_parameter_word_sp_offset, t); // add space for save area (in words) |
| 141 __ round_to(t, WordsPerLong); // make sure it is multiple of 2 (in words) | 141 __ round_to(t, WordsPerLong); // make sure it is multiple of 2 (in words) |
| 142 __ sll(t, Interpreter::logStackElementSize(), t); // compute number of bytes | 142 __ sll(t, Interpreter::logStackElementSize, t); // compute number of bytes |
| 143 __ neg(t); // negate so it can be used with save | 143 __ neg(t); // negate so it can be used with save |
| 144 __ save(SP, t, SP); // setup new frame | 144 __ save(SP, t, SP); // setup new frame |
| 145 } | 145 } |
| 146 | 146 |
| 147 // +---------------+ <--- sp + 0 | 147 // +---------------+ <--- sp + 0 |
| 189 __ delayed()->sub(dst, BytesPerWord, dst); // setup Lentry_args | 189 __ delayed()->sub(dst, BytesPerWord, dst); // setup Lentry_args |
| 190 | 190 |
| 191 // copy parameters if any | 191 // copy parameters if any |
| 192 Label loop; | 192 Label loop; |
| 193 __ BIND(loop); | 193 __ BIND(loop); |
| 194 // Store tag first. | |
| 195 if (TaggedStackInterpreter) { | |
| 196 __ ld_ptr(src, 0, tmp); | |
| 197 __ add(src, BytesPerWord, src); // get next | |
| 198 __ st_ptr(tmp, dst, Interpreter::tag_offset_in_bytes()); | |
| 199 } | |
| 200 // Store parameter value | 194 // Store parameter value |
| 201 __ ld_ptr(src, 0, tmp); | 195 __ ld_ptr(src, 0, tmp); |
| 202 __ add(src, BytesPerWord, src); | 196 __ add(src, BytesPerWord, src); |
| 203 __ st_ptr(tmp, dst, Interpreter::value_offset_in_bytes()); | 197 __ st_ptr(tmp, dst, 0); |
| 204 __ deccc(cnt); | 198 __ deccc(cnt); |
| 205 __ br(Assembler::greater, false, Assembler::pt, loop); | 199 __ br(Assembler::greater, false, Assembler::pt, loop); |
| 206 __ delayed()->sub(dst, Interpreter::stackElementSize(), dst); | 200 __ delayed()->sub(dst, Interpreter::stackElementSize, dst); |
| 207 | 201 |
| 208 // done | 202 // done |
| 209 __ BIND(exit); | 203 __ BIND(exit); |
| 210 } | 204 } |
| 211 | 205 |
| 218 #endif | 212 #endif |
| 219 | 213 |
| 220 // setup parameters | 214 // setup parameters |
| 221 const Register t = G3_scratch; | 215 const Register t = G3_scratch; |
| 222 __ ld_ptr(parameter_size.as_in().as_address(), t); // get parameter size (in words) | 216 __ ld_ptr(parameter_size.as_in().as_address(), t); // get parameter size (in words) |
| 223 __ sll(t, Interpreter::logStackElementSize(), t); // compute number of bytes | 217 __ sll(t, Interpreter::logStackElementSize, t); // compute number of bytes |
| 224 __ sub(FP, t, Gargs); // setup parameter pointer | 218 __ sub(FP, t, Gargs); // setup parameter pointer |
| 225 #ifdef _LP64 | 219 #ifdef _LP64 |
| 226 __ add( Gargs, STACK_BIAS, Gargs ); // Account for LP64 stack bias | 220 __ add( Gargs, STACK_BIAS, Gargs ); // Account for LP64 stack bias |
| 227 #endif | 221 #endif |
| 228 __ mov(SP, O5_savedSP); | 222 __ mov(SP, O5_savedSP); |
