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comparison src/share/vm/opto/output.cpp @ 1202:5f24d0319e54

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4360113: Evict nmethods when code cache gets full Summary: Speculatively unload the oldest nmethods when code cache gets full. Reviewed-by: never, kvn Contributed-by: eric.caspole@amd.com
author kvn
date Fri, 29 Jan 2010 09:27:22 -0800
parents 24128c2ffa87
children 18a389214829
comparison
equal deleted inserted replaced
1201:24128c2ffa87 1202:5f24d0319e54
1091 int total_req = code_req + pad_req + stub_req + exception_handler_req + deopt_handler_req + const_req; 1091 int total_req = code_req + pad_req + stub_req + exception_handler_req + deopt_handler_req + const_req;
1092 CodeBuffer* cb = code_buffer(); 1092 CodeBuffer* cb = code_buffer();
1093 cb->initialize(total_req, locs_req); 1093 cb->initialize(total_req, locs_req);
1094 1094
1095 // Have we run out of code space? 1095 // Have we run out of code space?
1096 if (cb->blob() == NULL) { 1096 if ((cb->blob() == NULL) || (!CompileBroker::should_compile_new_jobs())) {
1097 turn_off_compiler(this); 1097 turn_off_compiler(this);
1098 return; 1098 return;
1099 } 1099 }
1100 // Configure the code buffer. 1100 // Configure the code buffer.
1101 cb->initialize_consts_size(const_req); 1101 cb->initialize_consts_size(const_req);
1312 } 1312 }
1313 } 1313 }
1314 1314
1315 // Verify that there is sufficient space remaining 1315 // Verify that there is sufficient space remaining
1316 cb->insts()->maybe_expand_to_ensure_remaining(MAX_inst_size); 1316 cb->insts()->maybe_expand_to_ensure_remaining(MAX_inst_size);
1317 if (cb->blob() == NULL) { 1317 if ((cb->blob() == NULL) || (!CompileBroker::should_compile_new_jobs())) {
1318 turn_off_compiler(this); 1318 turn_off_compiler(this);
1319 return; 1319 return;
1320 } 1320 }
1321 1321
1322 // Save the offset for the listing 1322 // Save the offset for the listing
1431 // Emit the deopt handler code. 1431 // Emit the deopt handler code.
1432 _code_offsets.set_value(CodeOffsets::Deopt, emit_deopt_handler(*cb)); 1432 _code_offsets.set_value(CodeOffsets::Deopt, emit_deopt_handler(*cb));
1433 } 1433 }
1434 1434
1435 // One last check for failed CodeBuffer::expand: 1435 // One last check for failed CodeBuffer::expand:
1436 if (cb->blob() == NULL) { 1436 if ((cb->blob() == NULL) || (!CompileBroker::should_compile_new_jobs())) {
1437 turn_off_compiler(this); 1437 turn_off_compiler(this);
1438 return; 1438 return;
1439 } 1439 }
1440 1440
1441 #ifndef PRODUCT 1441 #ifndef PRODUCT