X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Falpha%2Fcall.lisp;h=538853bf18b9a595796f2c6e691d60e1b20a4770;hb=fe36a56422d474a00a58812ec886eb14f024ba0d;hp=79d4c7d8df889dde49e97b044b191297335316cf;hpb=304c44d731bea3b9ce3c47d864d90eac92ba604e;p=sbcl.git

diff --git a/src/compiler/alpha/call.lisp b/src/compiler/alpha/call.lisp
index 79d4c7d..538853b 100644
--- a/src/compiler/alpha/call.lisp
+++ b/src/compiler/alpha/call.lisp
@@ -306,7 +306,7 @@ default-value-8
 		    (tn (tn-ref-tn val)))
 		(defaults (cons default-lab tn))
 		
-		(inst blt temp default-lab)
+		(inst ble temp default-lab)
 		(inst ldl move-temp (* i n-word-bytes) ocfp-tn)
 		(inst subq temp (fixnumize 1) temp)
 		(store-stack-tn tn move-temp)))
@@ -946,7 +946,12 @@ default-value-8
     ;; restore the frame pointer and clear as much of the control
     ;; stack as possible.
     (move ocfp cfp-tn)
-    (inst addq val-ptr (* nvals n-word-bytes) csp-tn)
+    ;; ADDQ only accepts immediates of type (UNSIGNED-BYTE 8).  Here,
+    ;; instead of adding (* NVALS N-WORD-BYTES), we use NARGS that
+    ;; we've carefully set up, but protect ourselves by averring that
+    ;; FIXNUMIZEation and multiplication by N-WORD-BYTES is the same.
+    (aver (= (* nvals n-word-bytes) (fixnumize nvals)))
+    (inst addq val-ptr nargs csp-tn)
     ;; pre-default any argument register that need it.
     (when (< nvals register-arg-count)
       (dolist (reg (subseq (list a0 a1 a2 a3 a4 a5) nvals))