added lowerargs support for varargs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21101 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/Alpha.td b/lib/Target/Alpha/Alpha.td
index 13445f3..61b552b 100644
--- a/lib/Target/Alpha/Alpha.td
+++ b/lib/Target/Alpha/Alpha.td
@@ -44,11 +44,11 @@
 	//saved regs
 	[R9, R10, R11, R12, R13, R14, 
 	//Frame pointer
-	R15, 
+//	R15, 
 	//return address
 	R26, 
 	//Stack Pointer
-	R30,
+//	R30,
          F2, F3, F4, F5, F6, F7, F8, F9];
 
   // Pull in Instruction Info: