graal-compiler: src/share/vm/utilities/globalDefinitions.hpp comparison

comparison src/share/vm/utilities/globalDefinitions.hpp @ 14412:e2722a66aba7

Merge

author	kvn
date	Thu, 05 Sep 2013 11:04:39 -0700
parents	bdd155477289 4c84d351cca9
children	2b8e28fdf503

comparison

equal deleted inserted replaced

-:bdd155477289
+:e2722a66aba7
 const int KlassAlignment           = KlassAlignmentInBytes / HeapWordSize;
 // Klass encoding metaspace max size
 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes;
+const jlong CompressedKlassPointersBase = NOT_LP64(0) LP64_ONLY(CONST64(0x800000000));  // 32*G
 // Machine dependent stuff
 #ifdef TARGET_ARCH_x86
 # include "globalDefinitions_x86.hpp"
 #endif
 // for use in places like enum definitions that require compile-time constant
 // expressions and a function for all other places so as to get type checking.
 #define align_size_up_(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1))
+inline bool is_size_aligned(size_t size, size_t alignment) {
+return align_size_up_(size, alignment) == size;
+}
+inline bool is_ptr_aligned(void* ptr, size_t alignment) {
+return align_size_up_((intptr_t)ptr, (intptr_t)alignment) == (intptr_t)ptr;
+}
 inline intptr_t align_size_up(intptr_t size, intptr_t alignment) {
 return align_size_up_(size, alignment);
 }
 #define align_size_down_(size, alignment) ((size) & ~((alignment) - 1))
 inline intptr_t align_size_down(intptr_t size, intptr_t alignment) {
 return align_size_down_(size, alignment);
 }
+#define is_size_aligned_(size, alignment) ((size) == (align_size_up_(size, alignment)))
+inline void* align_ptr_up(void* ptr, size_t alignment) {
+return (void*)align_size_up((intptr_t)ptr, (intptr_t)alignment);
+}
+inline void* align_ptr_down(void* ptr, size_t alignment) {
+return (void*)align_size_down((intptr_t)ptr, (intptr_t)alignment);
+}
 // Align objects by rounding up their size, in HeapWord units.
 #define align_object_size_(size) align_size_up_(size, MinObjAlignment)
 inline intptr_t align_object_size(intptr_t size) {
 // Pad out certain offsets to jlong alignment, in HeapWord units.
 inline intptr_t align_object_offset(intptr_t offset) {
 return align_size_up(offset, HeapWordsPerLong);
+}
+inline void* align_pointer_up(const void* addr, size_t size) {
+return (void*) align_size_up_((uintptr_t)addr, size);
 }
 // 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
 // The expected size in bytes of a cache line, used to pad data structures.
 #define DEFAULT_CACHE_LINE_SIZE 64
-// Bytes needed to pad type to avoid cache-line sharing; alignment should be the
-// expected cache line size (a power of two).  The first addend avoids sharing
-// when the start address is not a multiple of alignment; the second maintains
-// alignment of starting addresses that happen to be a multiple.
-#define PADDING_SIZE(type, alignment)                           \
-((alignment) + align_size_up_(sizeof(type), alignment))
-// Templates to create a subclass padded to avoid cache line sharing.  These are
-// effective only when applied to derived-most (leaf) classes.
-// When no args are passed to the base ctor.
-template <class T, size_t alignment = DEFAULT_CACHE_LINE_SIZE>
-class Padded: public T {
-private:
-char _pad_buf_[PADDING_SIZE(T, alignment)];
-};
-// When either 0 or 1 args may be passed to the base ctor.
-template <class T, typename Arg1T, size_t alignment = DEFAULT_CACHE_LINE_SIZE>
-class Padded01: public T {
-public:
-Padded01(): T() { }
-Padded01(Arg1T arg1): T(arg1) { }
-private:
-char _pad_buf_[PADDING_SIZE(T, alignment)];
-};
 //----------------------------------------------------------------------------------------------------
 // Utility macros for compilers
 // used to silence compiler warnings

Mercurial > hg > graal-compiler

comparison src/share/vm/utilities/globalDefinitions.hpp @ 14412:e2722a66aba7