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comparison src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp @ 342:37f87013dfd8

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6711316: Open source the Garbage-First garbage collector Summary: First mercurial integration of the code for the Garbage-First garbage collector. Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
author ysr
date Thu, 05 Jun 2008 15:57:56 -0700
parents a61af66fc99e
children 6b2273dd6fa9
comparison
equal deleted inserted replaced
189:0b27f3512f9e 342:37f87013dfd8
402 __ br(Assembler::always, false, Assembler::pt, _continuation); 402 __ br(Assembler::always, false, Assembler::pt, _continuation);
403 __ delayed()->nop(); 403 __ delayed()->nop();
404 } 404 }
405 405
406 406
407 ///////////////////////////////////////////////////////////////////////////////////
408 #ifndef SERIALGC
409
410 void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
411 __ bind(_entry);
412
413 assert(pre_val()->is_register(), "Precondition.");
414
415 Register pre_val_reg = pre_val()->as_register();
416
417 ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false);
418 __ br_on_reg_cond(Assembler::rc_z, /*annul*/false, Assembler::pt,
419 pre_val_reg, _continuation);
420 __ delayed()->nop();
421
422 __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id));
423 __ delayed()->mov(pre_val_reg, G4);
424 __ br(Assembler::always, false, Assembler::pt, _continuation);
425 __ delayed()->nop();
426
427 }
428
429 jbyte* G1PostBarrierStub::_byte_map_base = NULL;
430
431 jbyte* G1PostBarrierStub::byte_map_base_slow() {
432 BarrierSet* bs = Universe::heap()->barrier_set();
433 assert(bs->is_a(BarrierSet::G1SATBCTLogging),
434 "Must be if we're using this.");
435 return ((G1SATBCardTableModRefBS*)bs)->byte_map_base;
436 }
437
438 void G1PostBarrierStub::emit_code(LIR_Assembler* ce) {
439 __ bind(_entry);
440
441 assert(addr()->is_register(), "Precondition.");
442 assert(new_val()->is_register(), "Precondition.");
443 Register addr_reg = addr()->as_pointer_register();
444 Register new_val_reg = new_val()->as_register();
445 __ br_on_reg_cond(Assembler::rc_z, /*annul*/false, Assembler::pt,
446 new_val_reg, _continuation);
447 __ delayed()->nop();
448
449 __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_post_barrier_slow_id));
450 __ delayed()->mov(addr_reg, G4);
451 __ br(Assembler::always, false, Assembler::pt, _continuation);
452 __ delayed()->nop();
453 }
454
455 #endif // SERIALGC
456 ///////////////////////////////////////////////////////////////////////////////////
457
407 #undef __ 458 #undef __