575 __ get_thread(poll_addr);
576 __ movptr(poll_addr, Address(poll_addr, Thread::polling_page_offset()));
577 #endif
578 __ relocate(relocInfo::poll_return_type);
579 __ testl(rax, Address(poll_addr, 0));
580 } else {
581 AddressLiteral polling_page(os::get_polling_page(), relocInfo::poll_return_type);
582
583 if (Assembler::is_polling_page_far()) {
584 __ lea(rscratch1, polling_page);
585 __ relocate(relocInfo::poll_return_type);
586 __ testl(rax, Address(rscratch1, 0));
587 } else {
588 __ testl(rax, polling_page);
589 }
590 }
591 __ ret(0);
592 }
593
594
595 void LIR_Assembler::store_value_type_fields_to_buf(ciValueKlass* vk) {
596 __ store_value_type_fields_to_buf(vk);
597 }
598
599 int LIR_Assembler::safepoint_poll(LIR_Opr tmp, CodeEmitInfo* info) {
600 guarantee(info != NULL, "Shouldn't be NULL");
601 int offset = __ offset();
602 if (SafepointMechanism::uses_thread_local_poll()) {
603 #ifdef _LP64
604 const Register poll_addr = rscratch1;
605 __ movptr(poll_addr, Address(r15_thread, Thread::polling_page_offset()));
606 #else
607 assert(tmp->is_cpu_register(), "needed");
608 const Register poll_addr = tmp->as_register();
609 __ get_thread(poll_addr);
610 __ movptr(poll_addr, Address(poll_addr, in_bytes(Thread::polling_page_offset())));
611 #endif
612 add_debug_info_for_branch(info);
613 __ relocate(relocInfo::poll_type);
614 address pre_pc = __ pc();
615 __ testl(rax, Address(poll_addr, 0));
616 address post_pc = __ pc();
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575 __ get_thread(poll_addr);
576 __ movptr(poll_addr, Address(poll_addr, Thread::polling_page_offset()));
577 #endif
578 __ relocate(relocInfo::poll_return_type);
579 __ testl(rax, Address(poll_addr, 0));
580 } else {
581 AddressLiteral polling_page(os::get_polling_page(), relocInfo::poll_return_type);
582
583 if (Assembler::is_polling_page_far()) {
584 __ lea(rscratch1, polling_page);
585 __ relocate(relocInfo::poll_return_type);
586 __ testl(rax, Address(rscratch1, 0));
587 } else {
588 __ testl(rax, polling_page);
589 }
590 }
591 __ ret(0);
592 }
593
594
595 int LIR_Assembler::store_value_type_fields_to_buf(ciValueKlass* vk) {
596 return (__ store_value_type_fields_to_buf(vk, false));
597 }
598
599 int LIR_Assembler::safepoint_poll(LIR_Opr tmp, CodeEmitInfo* info) {
600 guarantee(info != NULL, "Shouldn't be NULL");
601 int offset = __ offset();
602 if (SafepointMechanism::uses_thread_local_poll()) {
603 #ifdef _LP64
604 const Register poll_addr = rscratch1;
605 __ movptr(poll_addr, Address(r15_thread, Thread::polling_page_offset()));
606 #else
607 assert(tmp->is_cpu_register(), "needed");
608 const Register poll_addr = tmp->as_register();
609 __ get_thread(poll_addr);
610 __ movptr(poll_addr, Address(poll_addr, in_bytes(Thread::polling_page_offset())));
611 #endif
612 add_debug_info_for_branch(info);
613 __ relocate(relocInfo::poll_type);
614 address pre_pc = __ pc();
615 __ testl(rax, Address(poll_addr, 0));
616 address post_pc = __ pc();
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