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comparison src/share/vm/memory/universe.cpp @ 14411:bdd155477289

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8023033: PPC64 (part 13): basic changes for AIX Summary: Added AIX includes alpha-sorted before BSD. Fix compilation issues with xlC in shared code. Basic shared platform dependend adaption (vm_version etc.). Reviewed-by: kvn, dholmes, stefank
author goetz
date Thu, 22 Aug 2013 09:39:54 -0700
parents 71180a6e5080
children e2722a66aba7
comparison
equal deleted inserted replaced
14410:f42f2e2a1518 14411:bdd155477289
745 } else { 745 } else {
746 // Set to a non-NULL value so the ReservedSpace ctor computes 746 // Set to a non-NULL value so the ReservedSpace ctor computes
747 // the correct no-access prefix. 747 // the correct no-access prefix.
748 // The final value will be set in initialize_heap() below. 748 // The final value will be set in initialize_heap() below.
749 Universe::set_narrow_oop_base((address)NarrowOopHeapMax); 749 Universe::set_narrow_oop_base((address)NarrowOopHeapMax);
750 #ifdef _WIN64 750 #if defined(_WIN64) || defined(AIX)
751 if (UseLargePages) { 751 if (UseLargePages) {
752 // Cannot allocate guard pages for implicit checks in indexed 752 // Cannot allocate guard pages for implicit checks in indexed
753 // addressing mode when large pages are specified on windows. 753 // addressing mode when large pages are specified on windows.
754 Universe::set_narrow_oop_use_implicit_null_checks(false); 754 Universe::set_narrow_oop_use_implicit_null_checks(false);
755 } 755 }
823 (UseCompressedKlassPointers && 823 (UseCompressedKlassPointers &&
824 ((uint64_t)Universe::heap()->base() + Universe::class_metaspace_size() > KlassEncodingMetaspaceMax))) { 824 ((uint64_t)Universe::heap()->base() + Universe::class_metaspace_size() > KlassEncodingMetaspaceMax))) {
825 // Can't reserve heap below 32Gb. 825 // Can't reserve heap below 32Gb.
826 // keep the Universe::narrow_oop_base() set in Universe::reserve_heap() 826 // keep the Universe::narrow_oop_base() set in Universe::reserve_heap()
827 Universe::set_narrow_oop_shift(LogMinObjAlignmentInBytes); 827 Universe::set_narrow_oop_shift(LogMinObjAlignmentInBytes);
828 #ifdef AIX
829 // There is no protected page before the heap. This assures all oops
830 // are decoded so that NULL is preserved, so this page will not be accessed.
831 Universe::set_narrow_oop_use_implicit_null_checks(false);
832 #endif
828 if (verbose) { 833 if (verbose) {
829 tty->print(", %s: "PTR_FORMAT, 834 tty->print(", %s: "PTR_FORMAT,
830 narrow_oop_mode_to_string(HeapBasedNarrowOop), 835 narrow_oop_mode_to_string(HeapBasedNarrowOop),
831 Universe::narrow_oop_base()); 836 Universe::narrow_oop_base());
832 } 837 }