231 } |
231 } |
232 |
232 |
233 |
233 |
234 void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache, Register index, |
234 void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache, Register index, |
235 int bcp_offset, size_t index_size) { |
235 int bcp_offset, size_t index_size) { |
236 assert(cache != index, "must use different registers"); |
236 assert_different_registers(cache, index); |
237 get_cache_index_at_bcp(index, bcp_offset, index_size); |
237 get_cache_index_at_bcp(index, bcp_offset, index_size); |
238 movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize)); |
238 movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize)); |
239 assert(sizeof(ConstantPoolCacheEntry) == 4*wordSize, "adjust code below"); |
239 assert(sizeof(ConstantPoolCacheEntry) == 4*wordSize, "adjust code below"); |
240 shlptr(index, 2); // convert from field index to ConstantPoolCacheEntry index |
240 shlptr(index, 2); // convert from field index to ConstantPoolCacheEntry index |
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241 } |
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242 |
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243 |
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244 void InterpreterMacroAssembler::get_cache_and_index_and_bytecode_at_bcp(Register cache, |
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245 Register index, |
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246 Register bytecode, |
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247 int byte_no, |
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248 int bcp_offset, |
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249 size_t index_size) { |
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250 get_cache_and_index_at_bcp(cache, index, bcp_offset, index_size); |
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251 movptr(bytecode, Address(cache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::indices_offset())); |
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252 const int shift_count = (1 + byte_no) * BitsPerByte; |
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253 shrptr(bytecode, shift_count); |
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254 andptr(bytecode, 0xFF); |
241 } |
255 } |
242 |
256 |
243 |
257 |
244 void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache, Register tmp, |
258 void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache, Register tmp, |
245 int bcp_offset, size_t index_size) { |
259 int bcp_offset, size_t index_size) { |