* insnhelper.h (INC_SP): shouldn't cast ``x'' to unsigned type because

	  it might be a negative value.

	* insnhelper.h, insns.def: shoudn't use unary minus operator in index
	  operator. some compilers (such as VC++8 x64) cannot deal it with
	  expected way.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 3 deletions

diff --git a/insns.def b/insns.def
index 8272f4aac1..ed147a773d 100644
--- a/insns.def
+++ b/insns.def
@@ -806,7 +806,7 @@ setn
 (..., VALUE val)
 (VALUE val) // inc += 0
 {
-    GET_SP()[-n] = val;
+    TOPN(n-1) = val;
 }
 
 /**
@@ -1183,8 +1183,8 @@ send
 	    id = SYMBOL_P(sym) ? SYM2ID(sym) : rb_to_id(sym);
 
 	    /* shift arguments */
-	    for (i=1; i<num; i++) {
-		GET_SP()[-num+i-1] = GET_SP()[(-num+i-1)+1];
+	    for (i=num-1; i>0; i--) {
+		TOPN(i) = TOPN(i-1);
 	    }
 
 	    mn = rb_method_node(klass, id);