Mercurial > hg > truffle

comparison src/cpu/sparc/vm/templateInterpreter_sparc.cpp @ 7402:fd74228fd5ca

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing. Summary: Move _max_locals and _size_of_parameters to ConstMethod for better sharing. Reviewed-by: coleenp, minqi, jrose
author jiangli
date Tue, 11 Dec 2012 12:41:31 -0500
parents d2f8c38e543d
children c52660592f37
comparison
equal deleted inserted replaced
7396:4a2ed49abd51 7402:fd74228fd5ca
492 // is necessary. 492 // is necessary.
493 // 493 //
494 // (gri - 2/25/2000) 494 // (gri - 2/25/2000)
495 495
496 496
497 const Address size_of_parameters(G5_method, Method::size_of_parameters_offset());
498 const Address size_of_locals (G5_method, Method::size_of_locals_offset());
499 const Address constMethod (G5_method, Method::const_offset());
500 int rounded_vm_local_words = round_to( frame::interpreter_frame_vm_local_words, WordsPerLong ); 497 int rounded_vm_local_words = round_to( frame::interpreter_frame_vm_local_words, WordsPerLong );
501 498
502 const int extra_space = 499 const int extra_space =
503 rounded_vm_local_words + // frame local scratch space 500 rounded_vm_local_words + // frame local scratch space
504 //6815692//Method::extra_stack_words() + // extra push slots for MH adapters 501 //6815692//Method::extra_stack_words() + // extra push slots for MH adapters
505 frame::memory_parameter_word_sp_offset + // register save area 502 frame::memory_parameter_word_sp_offset + // register save area
506 (native_call ? frame::interpreter_frame_extra_outgoing_argument_words : 0); 503 (native_call ? frame::interpreter_frame_extra_outgoing_argument_words : 0);
507 504
508 const Register Glocals_size = G3; 505 const Register Glocals_size = G3;
506 const Register RconstMethod = Glocals_size;
509 const Register Otmp1 = O3; 507 const Register Otmp1 = O3;
510 const Register Otmp2 = O4; 508 const Register Otmp2 = O4;
511 // Lscratch can't be used as a temporary because the call_stub uses 509 // Lscratch can't be used as a temporary because the call_stub uses
512 // it to assert that the stack frame was setup correctly. 510 // it to assert that the stack frame was setup correctly.
513 511 const Address constMethod (G5_method, Method::const_offset());
512 const Address size_of_parameters(RconstMethod, ConstMethod::size_of_parameters_offset());
513
514 __ ld_ptr( constMethod, RconstMethod );
514 __ lduh( size_of_parameters, Glocals_size); 515 __ lduh( size_of_parameters, Glocals_size);
515 516
516 // Gargs points to first local + BytesPerWord 517 // Gargs points to first local + BytesPerWord
517 // Set the saved SP after the register window save 518 // Set the saved SP after the register window save
518 // 519 //
528 } else { 529 } else {
529 530
530 // 531 //
531 // Compute number of locals in method apart from incoming parameters 532 // Compute number of locals in method apart from incoming parameters
532 // 533 //
534 const Address size_of_locals (Otmp1, ConstMethod::size_of_locals_offset());
535 __ ld_ptr( constMethod, Otmp1 );
533 __ lduh( size_of_locals, Otmp1 ); 536 __ lduh( size_of_locals, Otmp1 );
534 __ sub( Otmp1, Glocals_size, Glocals_size ); 537 __ sub( Otmp1, Glocals_size, Glocals_size );
535 __ round_to( Glocals_size, WordsPerLong ); 538 __ round_to( Glocals_size, WordsPerLong );
536 __ sll( Glocals_size, Interpreter::logStackElementSize, Glocals_size ); 539 __ sll( Glocals_size, Interpreter::logStackElementSize, Glocals_size );
537 540
1254 const Register Gtmp2 = G1_scratch; 1257 const Register Gtmp2 = G1_scratch;
1255 1258
1256 // make sure registers are different! 1259 // make sure registers are different!
1257 assert_different_registers(G2_thread, G5_method, Gargs, Gtmp1, Gtmp2); 1260 assert_different_registers(G2_thread, G5_method, Gargs, Gtmp1, Gtmp2);
1258 1261
1259 const Address size_of_parameters(G5_method, Method::size_of_parameters_offset()); 1262 const Address constMethod (G5_method, Method::const_offset());
1260 const Address size_of_locals (G5_method, Method::size_of_locals_offset());
1261 // Seems like G5_method is live at the point this is used. So we could make this look consistent 1263 // Seems like G5_method is live at the point this is used. So we could make this look consistent
1262 // and use in the asserts. 1264 // and use in the asserts.
1263 const Address access_flags (Lmethod, Method::access_flags_offset()); 1265 const Address access_flags (Lmethod, Method::access_flags_offset());
1264 1266
1265 const Register Glocals_size = G3; 1267 const Register Glocals_size = G3;
1305 // initialized. We removed this extra complication to already over complicated code. 1307 // initialized. We removed this extra complication to already over complicated code.
1306 1308
1307 init_value = G0; 1309 init_value = G0;
1308 Label clear_loop; 1310 Label clear_loop;
1309 1311
1312 const Register RconstMethod = O1;
1313 const Address size_of_parameters(RconstMethod, ConstMethod::size_of_parameters_offset());
1314 const Address size_of_locals (RconstMethod, ConstMethod::size_of_locals_offset());
1315
1310 // NOTE: If you change the frame layout, this code will need to 1316 // NOTE: If you change the frame layout, this code will need to
1311 // be updated! 1317 // be updated!
1318 __ ld_ptr( constMethod, RconstMethod );
1312 __ lduh( size_of_locals, O2 ); 1319 __ lduh( size_of_locals, O2 );
1313 __ lduh( size_of_parameters, O1 ); 1320 __ lduh( size_of_parameters, O1 );
1314 __ sll( O2, Interpreter::logStackElementSize, O2); 1321 __ sll( O2, Interpreter::logStackElementSize, O2);
1315 __ sll( O1, Interpreter::logStackElementSize, O1 ); 1322 __ sll( O1, Interpreter::logStackElementSize, O1 );
1316 __ sub( Llocals, O2, O2 ); 1323 __ sub( Llocals, O2, O2 );
1821 __ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, InterpreterRuntime::interpreter_contains), I7); 1828 __ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, InterpreterRuntime::interpreter_contains), I7);
1822 __ br_notnull_short(O0, Assembler::pt, caller_not_deoptimized); 1829 __ br_notnull_short(O0, Assembler::pt, caller_not_deoptimized);
1823 1830
1824 const Register Gtmp1 = G3_scratch; 1831 const Register Gtmp1 = G3_scratch;
1825 const Register Gtmp2 = G1_scratch; 1832 const Register Gtmp2 = G1_scratch;
1833 const Register RconstMethod = Gtmp1;
1834 const Address constMethod(Lmethod, Method::const_offset());
1835 const Address size_of_parameters(RconstMethod, ConstMethod::size_of_parameters_offset());
1826 1836
1827 // Compute size of arguments for saving when returning to deoptimized caller 1837 // Compute size of arguments for saving when returning to deoptimized caller
1828 __ lduh(Lmethod, in_bytes(Method::size_of_parameters_offset()), Gtmp1); 1838 __ ld_ptr(constMethod, RconstMethod);
1839 __ lduh(size_of_parameters, Gtmp1);
1829 __ sll(Gtmp1, Interpreter::logStackElementSize, Gtmp1); 1840 __ sll(Gtmp1, Interpreter::logStackElementSize, Gtmp1);
1830 __ sub(Llocals, Gtmp1, Gtmp2); 1841 __ sub(Llocals, Gtmp1, Gtmp2);
1831 __ add(Gtmp2, wordSize, Gtmp2); 1842 __ add(Gtmp2, wordSize, Gtmp2);
1832 // Save these arguments 1843 // Save these arguments
1833 __ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, Deoptimization::popframe_preserve_args), G2_thread, Gtmp1, Gtmp2); 1844 __ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, Deoptimization::popframe_preserve_args), G2_thread, Gtmp1, Gtmp2);