nobu	2015-03-29 11:47:24 +0900 (Sun, 29 Mar 2015)

  New Revision: 50108

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=50108

  Log:
    vm.c: use MEMCPY
    
    * vm.c (vm_make_env_each): use MEMCPY instead of copy by loop.

  Modified files:
    trunk/vm.c
Index: vm.c
===================================================================
--- vm.c	(revision 50107)
+++ vm.c	(revision 50108)
@@ -512,16 +512,17 @@ vm_make_env_each(const rb_thread_t *cons https://github.com/ruby/ruby/blob/trunk/vm.c#L512
     env->env_size = local_size + 1 + 1;
     env->local_size = local_size;
 
-    for (i = 0; i <= local_size; i++) {
-	env->env[i] = envptr[-local_size + i];
+    i = local_size + 1;
+    MEMCPY(env->env, envptr - local_size, VALUE, i);
 #if 0
+    for (i = 0; i <= local_size; i++) {
 	fprintf(stderr, "%2d ", &envptr[-local_size + i] - th->stack); dp(env->env[i]);
 	if (RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
 	    /* clear value stack for GC */
 	    envptr[-local_size + i] = 0;
 	}
-#endif
     }
+#endif
 
     /* be careful not to trigger GC after this */
     envval = TypedData_Wrap_Struct(rb_cEnv, &env_data_type, env);

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/