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comparison src/share/vm/gc_implementation/g1/heapRegionSeq.inline.hpp @ 6010:720b6a76dd9d

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7157073: G1: type change size_t -> uint for region counts / indexes Summary: Change the type of fields / variables / etc. that represent region counts and indeces from size_t to uint. Reviewed-by: iveresov, brutisso, jmasa, jwilhelm
author tonyp
date Wed, 18 Apr 2012 07:21:15 -0400
parents c3f1170908be
children a19bea467577
comparison
equal deleted inserted replaced
6009:dde53abda3d6 6010:720b6a76dd9d
1 /* 1 /*
2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
27 27
28 #include "gc_implementation/g1/heapRegion.hpp" 28 #include "gc_implementation/g1/heapRegion.hpp"
29 #include "gc_implementation/g1/heapRegionSeq.hpp" 29 #include "gc_implementation/g1/heapRegionSeq.hpp"
30 30
31 inline size_t HeapRegionSeq::addr_to_index_biased(HeapWord* addr) const { 31 inline uintx HeapRegionSeq::addr_to_index_biased(HeapWord* addr) const {
32 assert(_heap_bottom <= addr && addr < _heap_end, 32 assert(_heap_bottom <= addr && addr < _heap_end,
33 err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT, 33 err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
34 addr, _heap_bottom, _heap_end)); 34 addr, _heap_bottom, _heap_end));
35 size_t index = (size_t) addr >> _region_shift; 35 uintx index = (uintx) addr >> _region_shift;
36 return index; 36 return index;
37 } 37 }
38 38
39 inline HeapRegion* HeapRegionSeq::addr_to_region_unsafe(HeapWord* addr) const { 39 inline HeapRegion* HeapRegionSeq::addr_to_region_unsafe(HeapWord* addr) const {
40 assert(_heap_bottom <= addr && addr < _heap_end, 40 assert(_heap_bottom <= addr && addr < _heap_end,
41 err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT, 41 err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
42 addr, _heap_bottom, _heap_end)); 42 addr, _heap_bottom, _heap_end));
43 size_t index_biased = addr_to_index_biased(addr); 43 uintx index_biased = addr_to_index_biased(addr);
44 HeapRegion* hr = _regions_biased[index_biased]; 44 HeapRegion* hr = _regions_biased[index_biased];
45 assert(hr != NULL, "invariant"); 45 assert(hr != NULL, "invariant");
46 return hr; 46 return hr;
47 } 47 }
48 48
53 return addr_to_region_unsafe(addr); 53 return addr_to_region_unsafe(addr);
54 } 54 }
55 return NULL; 55 return NULL;
56 } 56 }
57 57
58 inline HeapRegion* HeapRegionSeq::at(size_t index) const { 58 inline HeapRegion* HeapRegionSeq::at(uint index) const {
59 assert(index < length(), "pre-condition"); 59 assert(index < length(), "pre-condition");
60 HeapRegion* hr = _regions[index]; 60 HeapRegion* hr = _regions[index];
61 assert(hr != NULL, "sanity"); 61 assert(hr != NULL, "sanity");
62 assert(hr->hrs_index() == index, "sanity"); 62 assert(hr->hrs_index() == index, "sanity");
63 return hr; 63 return hr;