2460 }
2461
2462 void TemplateTable::if_nullcmp(Condition cc) {
2463 transition(atos, vtos);
2464 // assume branch is more often taken than not (loops use backward branches)
2465 Label not_taken;
2466 __ testptr(rax, rax);
2467 __ jcc(j_not(cc), not_taken);
2468 branch(false, false);
2469 __ bind(not_taken);
2470 __ profile_not_taken_branch(rax);
2471 }
2472
2473 void TemplateTable::if_acmp(Condition cc) {
2474 transition(atos, vtos);
2475 // assume branch is more often taken than not (loops use backward branches)
2476 Label taken, not_taken;
2477 __ pop_ptr(rdx);
2478
2479 const int is_value_mask = markOopDesc::always_locked_pattern;
2480 if (EnableValhalla && UsePointerPerturbation) {
2481 Label is_null;
2482 __ testptr(rdx, rdx);
2483 __ jcc(Assembler::zero, is_null);
2484 __ movptr(rbx, Address(rdx, oopDesc::mark_offset_in_bytes()));
2485 __ andptr(rbx, is_value_mask);
2486 __ cmpl(rbx, is_value_mask);
2487 __ setb(Assembler::equal, rbx);
2488 __ movzbl(rbx, rbx);
2489 __ orptr(rdx, rbx);
2490 __ bind(is_null);
2491 }
2492
2493 __ cmpoop(rdx, rax);
2494
2495 if (EnableValhalla && !UsePointerPerturbation) {
2496 __ jcc(Assembler::notEqual, (cc == not_equal) ? taken : not_taken);
2497 __ testptr(rdx, rdx);
2498 __ jcc(Assembler::zero, (cc == equal) ? taken : not_taken);
2499 __ movptr(rbx, Address(rdx, oopDesc::mark_offset_in_bytes()));
2500 __ andptr(rbx, is_value_mask);
2501 __ cmpl(rbx, is_value_mask);
2502 cc = (cc == equal) ? not_equal : equal;
2503 }
2504
2505 __ jcc(j_not(cc), not_taken);
2506 __ bind(taken);
2507 branch(false, false);
2508 __ bind(not_taken);
2509 __ profile_not_taken_branch(rax);
2510 }
2511
2512 void TemplateTable::ret() {
2513 transition(vtos, vtos);
2514 locals_index(rbx);
2515 LP64_ONLY(__ movslq(rbx, iaddress(rbx))); // get return bci, compute return bcp
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2460 }
2461
2462 void TemplateTable::if_nullcmp(Condition cc) {
2463 transition(atos, vtos);
2464 // assume branch is more often taken than not (loops use backward branches)
2465 Label not_taken;
2466 __ testptr(rax, rax);
2467 __ jcc(j_not(cc), not_taken);
2468 branch(false, false);
2469 __ bind(not_taken);
2470 __ profile_not_taken_branch(rax);
2471 }
2472
2473 void TemplateTable::if_acmp(Condition cc) {
2474 transition(atos, vtos);
2475 // assume branch is more often taken than not (loops use backward branches)
2476 Label taken, not_taken;
2477 __ pop_ptr(rdx);
2478
2479 const int is_value_mask = markOopDesc::always_locked_pattern;
2480 if (EnableValhalla && ACmpOnValues == 1) {
2481 Label is_null;
2482 __ testptr(rdx, rdx);
2483 __ jcc(Assembler::zero, is_null);
2484 __ movptr(rbx, Address(rdx, oopDesc::mark_offset_in_bytes()));
2485 __ andptr(rbx, is_value_mask);
2486 __ cmpl(rbx, is_value_mask);
2487 __ setb(Assembler::equal, rbx);
2488 __ movzbl(rbx, rbx);
2489 __ orptr(rdx, rbx);
2490 __ bind(is_null);
2491 }
2492
2493 __ cmpoop(rdx, rax);
2494
2495 if (EnableValhalla && ACmpOnValues != 1) {
2496 __ jcc(Assembler::notEqual, (cc == not_equal) ? taken : not_taken);
2497 __ testptr(rdx, rdx);
2498 __ jcc(Assembler::zero, (cc == equal) ? taken : not_taken);
2499 __ movptr(rbx, Address(rdx, oopDesc::mark_offset_in_bytes()));
2500 __ andptr(rbx, is_value_mask);
2501 __ cmpl(rbx, is_value_mask);
2502 cc = (cc == equal) ? not_equal : equal;
2503 }
2504
2505 __ jcc(j_not(cc), not_taken);
2506 __ bind(taken);
2507 branch(false, false);
2508 __ bind(not_taken);
2509 __ profile_not_taken_branch(rax);
2510 }
2511
2512 void TemplateTable::ret() {
2513 transition(vtos, vtos);
2514 locals_index(rbx);
2515 LP64_ONLY(__ movslq(rbx, iaddress(rbx))); // get return bci, compute return bcp
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