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* gc.c (GET_HEAP_HEADER, NUM_IN_SLOT): parenthesise macro parameters.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35310 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-04-12 06:10:33 +00:00
parent e2aaf978b5
commit 871cd27c8d
1 changed files with 2 additions and 2 deletions
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4
gc.c
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@ -551,10 +551,10 @@ rb_objspace_free(rb_objspace_t *objspace)
#define HEAP_OBJ_LIMIT (unsigned int)((HEAP_SIZE - sizeof(struct heaps_header))/sizeof(struct RVALUE))
#define HEAP_BITMAP_LIMIT CEILDIV(CEILDIV(HEAP_SIZE, sizeof(struct RVALUE)), sizeof(uintptr_t)*8)
#define GET_HEAP_HEADER(x) (HEAP_HEADER(((uintptr_t)x) & ~(HEAP_ALIGN_MASK)))
#define GET_HEAP_HEADER(x) (HEAP_HEADER((uintptr_t)(x) & ~(HEAP_ALIGN_MASK)))
#define GET_HEAP_SLOT(x) (GET_HEAP_HEADER(x)->base)
#define GET_HEAP_BITMAP(x) (GET_HEAP_HEADER(x)->bits)
#define NUM_IN_SLOT(p) (((uintptr_t)p & HEAP_ALIGN_MASK)/sizeof(RVALUE))
#define NUM_IN_SLOT(p) (((uintptr_t)(p) & HEAP_ALIGN_MASK)/sizeof(RVALUE))
#define BITMAP_INDEX(p) (NUM_IN_SLOT(p) / (sizeof(uintptr_t) * 8))
#define BITMAP_OFFSET(p) (NUM_IN_SLOT(p) & ((sizeof(uintptr_t) * 8)-1))
#define MARKED_IN_BITMAP(bits, p) (bits[BITMAP_INDEX(p)] & ((uintptr_t)1 << BITMAP_OFFSET(p)))