shugo	2012-10-06 18:36:35 +0900 (Sat, 06 Oct 2012)

  New Revision: 37106

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=37106

  Log:
    * vm_opts.h (OPT_GLOBAL_METHOD_CACHE): new build option to
      enable/disable global method caching. [ruby-dev:46203] [Bug #7111]
    
    * vm_method.c (rb_method_entry_get_with_omod): don't use global
      method cache if OPT_GLOBAL_METHOD_CACHE is 0.

  Modified files:
    trunk/ChangeLog
    trunk/vm_method.c
    trunk/vm_opts.h

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 37105)
+++ ChangeLog	(revision 37106)
@@ -1,3 +1,11 @@
+Sat Oct  6 18:31:36 2012  Shugo Maeda  <shugo@r...>
+
+	* vm_opts.h (OPT_GLOBAL_METHOD_CACHE): new build option to
+	  enable/disable global method caching. [ruby-dev:46203] [Bug #7111]
+
+	* vm_method.c (rb_method_entry_get_with_omod): don't use global
+	  method cache if OPT_GLOBAL_METHOD_CACHE is 0.
+
 Sat Oct  6 16:32:04 2012  Shugo Maeda  <shugo@r...>
 
 	* vm_method.c (search_method): check omod only once for performance.
Index: vm_method.c
===================================================================
--- vm_method.c	(revision 37105)
+++ vm_method.c	(revision 37106)
@@ -497,6 +497,7 @@
 rb_method_entry_get_with_omod(VALUE omod, VALUE klass, ID id,
 			      VALUE *defined_class_ptr)
 {
+#if OPT_GLOBAL_METHOD_CACHE
     struct cache_entry *ent;
 
     ent = cache + EXPR1(klass, omod, id);
@@ -506,6 +507,7 @@
 	    *defined_class_ptr = ent->defined_class;
 	return ent->me;
     }
+#endif
 
     return rb_method_entry_get_without_cache(klass, omod, id,
 					     defined_class_ptr);
Index: vm_opts.h
===================================================================
--- vm_opts.h	(revision 37105)
+++ vm_opts.h	(revision 37106)
@@ -37,6 +37,7 @@
 /* VM running option */
 #define OPT_CHECKED_RUN              1
 #define OPT_INLINE_METHOD_CACHE      1
+#define OPT_GLOBAL_METHOD_CACHE      1
 #define OPT_BLOCKINLINING            0
 
 /* architecture independent, affects generated code */

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