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src/share/vm/utilities/globalDefinitions.hpp
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@@ -204,11 +204,11 @@
// for the same application running in 64bit. See bug 4967770.
// The minimum alignment to a heap word size is done. Other
// parts of the memory system may require additional alignment
// and are responsible for those alignments.
#ifdef _LP64
-#define ScaleForWordSize(x) align_size_down_((x) * 13 / 10, HeapWordSize)
+#define ScaleForWordSize(x) align_down_((x) * 13 / 10, HeapWordSize)
#else
#define ScaleForWordSize(x) (x)
#endif
// The minimum number of native machine words necessary to contain "byte_size"
@@ -512,98 +512,98 @@
// this problem.
#define align_mask(alignment) ((alignment) - 1)
#define widen_to_type_of(what, type_carrier) (true ? (what) : (type_carrier))
#define align_mask_widened(alignment, type_carrier) widen_to_type_of(align_mask(alignment), (type_carrier))
-#define align_size_down_(size, alignment) ((size) & ~align_mask_widened((alignment), (size)))
+#define align_down_(size, alignment) ((size) & ~align_mask_widened((alignment), (size)))
-#define align_size_up_(size, alignment) (align_size_down_((size) + align_mask(alignment), (alignment)))
+#define align_up_(size, alignment) (align_down_((size) + align_mask(alignment), (alignment)))
-#define is_size_aligned_(size, alignment) ((size) == (align_size_up_(size, alignment)))
+#define is_aligned_(size, alignment) ((size) == (align_up_(size, alignment)))
// Helpers to align sizes and check for alignment
template <typename T, typename A>
-inline T align_size_up(T size, A alignment) {
- return align_size_up_(size, alignment);
+inline T align_up(T size, A alignment) {
+ return align_up_(size, alignment);
}
template <typename T, typename A>
-inline T align_size_down(T size, A alignment) {
- return align_size_down_(size, alignment);
+inline T align_down(T size, A alignment) {
+ return align_down_(size, alignment);
}
template <typename T, typename A>
-inline bool is_size_aligned(T size, A alignment) {
- return is_size_aligned_(size, alignment);
+inline bool is_aligned(T size, A alignment) {
+ return is_aligned_(size, alignment);
}
// Align down with a lower bound. If the aligning results in 0, return 'alignment'.
template <typename T, typename A>
-inline T align_size_down_bounded(T size, A alignment) {
- A aligned_size = align_size_down(size, alignment);
+inline T align_down_bounded(T size, A alignment) {
+ A aligned_size = align_down(size, alignment);
return aligned_size > 0 ? aligned_size : alignment;
}
// Helpers to align pointers and check for alignment.
template <typename T, typename A>
-inline T* align_ptr_up(T* ptr, A alignment) {
- return (T*)align_size_up((uintptr_t)ptr, alignment);
+inline T* align_up(T* ptr, A alignment) {
+ return (T*)align_up((uintptr_t)ptr, alignment);
}
template <typename T, typename A>
-inline T* align_ptr_down(T* ptr, A alignment) {
- return (T*)align_size_down((uintptr_t)ptr, alignment);
+inline T* align_down(T* ptr, A alignment) {
+ return (T*)align_down((uintptr_t)ptr, alignment);
}
template <typename T, typename A>
-inline bool is_ptr_aligned(T* ptr, A alignment) {
- return is_size_aligned((uintptr_t)ptr, alignment);
+inline bool is_aligned(T* ptr, A alignment) {
+ return is_aligned((uintptr_t)ptr, alignment);
}
// Align metaspace objects by rounding up to natural word boundary
template <typename T>
inline T align_metadata_size(T size) {
- return align_size_up(size, 1);
+ return align_up(size, 1);
}
// Align objects in the Java Heap by rounding up their size, in HeapWord units.
template <typename T>
inline T align_object_size(T word_size) {
- return align_size_up(word_size, MinObjAlignment);
+ return align_up(word_size, MinObjAlignment);
}
inline bool is_object_aligned(size_t word_size) {
- return is_size_aligned(word_size, MinObjAlignment);
+ return is_aligned(word_size, MinObjAlignment);
}
-inline bool is_ptr_object_aligned(const void* addr) {
- return is_ptr_aligned(addr, MinObjAlignmentInBytes);
+inline bool is_object_aligned(const void* addr) {
+ return is_aligned(addr, MinObjAlignmentInBytes);
}
// Pad out certain offsets to jlong alignment, in HeapWord units.
template <typename T>
inline T align_object_offset(T offset) {
- return align_size_up(offset, HeapWordsPerLong);
+ return align_up(offset, HeapWordsPerLong);
}
// Clamp an address to be within a specific page
// 1. If addr is on the page it is returned as is
// 2. If addr is above the page_address the start of the *next* page will be returned
// 3. Otherwise, if addr is below the page_address the start of the page will be returned
template <typename T>
inline T* clamp_address_in_page(T* addr, T* page_address, size_t page_size) {
- if (align_ptr_down(addr, page_size) == align_ptr_down(page_address, page_size)) {
+ if (align_down(addr, page_size) == align_down(page_address, page_size)) {
// address is in the specified page, just return it as is
return addr;
} else if (addr > page_address) {
// address is above specified page, return start of next page
- return align_ptr_down(page_address, page_size) + page_size;
+ return align_down(page_address, page_size) + page_size;
} else {
// address is below specified page, return start of page
- return align_ptr_down(page_address, page_size);
+ return align_down(page_address, page_size);
}
}
// The expected size in bytes of a cache line, used to pad data structures.
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