Mercurial > hg > graal-compiler
diff src/share/vm/utilities/globalDefinitions.hpp @ 13058:3aee6bc29547
8026852: Use restricted_align_down in collector policy code
Summary: Moved restricted_align_down to globalDefinitions and renamed it align_size_down_bounded
Reviewed-by: stefank, mgerdin, tschatzl
| author | jwilhelm |
|---|---|
| date | Mon, 21 Oct 2013 18:52:13 +0200 |
| parents | aa6f2ea19d8f |
| children | 610be0309a79 |
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--- a/src/share/vm/utilities/globalDefinitions.hpp Mon Oct 21 18:51:37 2013 +0200 +++ b/src/share/vm/utilities/globalDefinitions.hpp Mon Oct 21 18:52:13 2013 +0200 @@ -458,6 +458,13 @@ return (void*) align_size_up_((uintptr_t)addr, size); } +// Align down with a lower bound. If the aligning results in 0, return 'alignment'. + +inline size_t align_size_down_bounded(size_t size, size_t alignment) { + size_t aligned_size = align_size_down_(size, alignment); + return aligned_size > 0 ? aligned_size : alignment; +} + // 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