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vm_method: set automatically

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* vm_method.c (GLOBAL_METHOD_CACHE_MASK): set from
  GLOBAL_METHOD_CACHE_SIZE automatically.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-12-20 10:01:14 +00:00
parent f11b54213a
commit eda9023335
1 changed files with 6 additions and 1 deletions
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7
vm_method.c
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@ -5,8 +5,13 @@
#ifndef GLOBAL_METHOD_CACHE_SIZE
#define GLOBAL_METHOD_CACHE_SIZE 0x800
#endif
#define LSB_ONLY(x) ((x) & ~((x) - 1))
#define POWOR_OF_2_P(x) ((x) == LSB_ONLY(x))
#if !POWOR_OF_2_P(GLOBAL_METHOD_CACHE_SIZE)
# error GLOBAL_METHOD_CACHE_SIZE must be power of 2
#endif
#ifndef GLOBAL_METHOD_CACHE_MASK
#define GLOBAL_METHOD_CACHE_MASK 0x7ff
#define GLOBAL_METHOD_CACHE_MASK (GLOBAL_METHOD_CACHE_SIZE-1)
#endif
#define GLOBAL_METHOD_CACHE_KEY(c,m) ((((c)>>3)^(m))&GLOBAL_METHOD_CACHE_MASK)