X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fvalues.lisp;h=a04921b7040006fb7cae2e81681267a486aee992;hb=74cf7a4d01664fbf72a662ba093ad67ca243b524;hp=ecee7d0d26183f4ebd9232948486f35671888bdd;hpb=f1acc17f83cdfa9454a53bd0ee9bd0e9b9482817;p=sbcl.git

diff --git a/src/compiler/mips/values.lisp b/src/compiler/mips/values.lisp
index ecee7d0..a04921b 100644
--- a/src/compiler/mips/values.lisp
+++ b/src/compiler/mips/values.lisp
@@ -16,6 +16,26 @@
   (:generator 1
     (move csp-tn ptr)))
 
+(define-vop (%%pop-dx)
+  (:args (ptr :scs (any-reg)))
+  (:ignore ptr)
+  (:generator 1
+    (bug "VOP %%POP-DX is not implemented.")))
+
+(define-vop (%%nip-dx)
+  (:args (last-nipped-ptr :scs (any-reg) :target dest)
+         (last-preserved-ptr :scs (any-reg) :target src)
+         (moved-ptrs :scs (any-reg) :more t))
+  (:results (r-moved-ptrs :scs (any-reg) :more t))
+  (:temporary (:sc any-reg) src)
+  (:temporary (:sc any-reg) dest)
+  (:temporary (:sc non-descriptor-reg) temp)
+  (:ignore r-moved-ptrs
+           last-nipped-ptr last-preserved-ptr moved-ptrs
+           src dest temp)
+  (:generator 1
+    (bug "VOP %%NIP-DX is not implemented.")))
+
 (define-vop (%%nip-values)
   (:args (last-nipped-ptr :scs (any-reg) :target dest)
          (last-preserved-ptr :scs (any-reg) :target src)
@@ -26,11 +46,10 @@
   (:temporary (:sc non-descriptor-reg) temp)
   (:ignore r-moved-ptrs)
   (:generator 1
-    (inst move src last-preserved-ptr)
-    (inst move dest last-nipped-ptr)
-    (inst move temp zero-tn)
+    (move src last-preserved-ptr)
+    (move dest last-nipped-ptr)
     (inst sltu temp src csp-tn)
-    (inst beq temp zero-tn DONE)
+    (inst beq temp DONE)
     (inst nop) ; not strictly necessary
     LOOP
     (loadw temp src)
@@ -38,10 +57,10 @@
     (inst add src src n-word-bytes)
     (storew temp dest -1)
     (inst sltu temp src csp-tn)
-    (inst bne temp zero-tn LOOP)
+    (inst bne temp LOOP)
     (inst nop)
     DONE
-    (inst move csp-tn dest)
+    (move csp-tn dest)
     (inst sub src src dest)
     (loop for moved = moved-ptrs then (tn-ref-across moved)
           while moved
@@ -70,22 +89,22 @@
   (:info nvals)
   (:temporary (:scs (descriptor-reg)) temp)
   (:temporary (:scs (descriptor-reg)
-	       :to (:result 0)
-	       :target start)
-	      start-temp)
+               :to (:result 0)
+               :target start)
+              start-temp)
   (:generator 20
     (move start-temp csp-tn)
     (inst addu csp-tn csp-tn (* nvals n-word-bytes))
     (do ((val vals (tn-ref-across val))
-	 (i 0 (1+ i)))
-	((null val))
+         (i 0 (1+ i)))
+        ((null val))
       (let ((tn (tn-ref-tn val)))
-	(sc-case tn
-	  (descriptor-reg
-	   (storew tn start-temp i))
-	  (control-stack
-	   (load-stack-tn temp tn)
-	   (storew temp start-temp i)))))
+        (sc-case tn
+          (descriptor-reg
+           (storew tn start-temp i))
+          (control-stack
+           (load-stack-tn temp tn)
+           (storew temp start-temp i)))))
     (move start start-temp)
     (inst li count (fixnumize nvals))))
 
@@ -96,7 +115,7 @@
   (:arg-types list)
   (:policy :fast-safe)
   (:results (start :scs (any-reg))
-	    (count :scs (any-reg)))
+            (count :scs (any-reg)))
   (:temporary (:scs (descriptor-reg) :type list :from (:argument 0)) list)
   (:temporary (:scs (descriptor-reg)) temp)
   (:temporary (:scs (non-descriptor-reg)) ndescr)
@@ -105,7 +124,7 @@
   (:generator 0
     (move list arg)
     (move start csp-tn)
-    
+
     LOOP
     (inst beq list null-tn done)
     (loadw temp list cons-car-slot list-pointer-lowtag)
@@ -114,10 +133,10 @@
     (storew temp csp-tn -1)
     (inst and ndescr list lowtag-mask)
     (inst xor ndescr list-pointer-lowtag)
-    (inst beq ndescr zero-tn loop)
+    (inst beq ndescr loop)
     (inst nop)
     (error-call vop bogus-arg-to-values-list-error list)
-    
+
     DONE
     (inst subu count csp-tn start)))
 
@@ -125,14 +144,14 @@
 ;;; as function arguments.
 (define-vop (%more-arg-values)
   (:args (context :scs (descriptor-reg any-reg) :target src)
-	 (skip :scs (any-reg zero immediate))
-	 (num :scs (any-reg) :target count))
+         (skip :scs (any-reg zero immediate))
+         (num :scs (any-reg) :target count))
   (:arg-types * positive-fixnum positive-fixnum)
   (:temporary (:sc any-reg :from (:argument 0)) src)
   (:temporary (:sc any-reg :from (:argument 2)) dst)
   (:temporary (:sc descriptor-reg :from (:argument 1)) temp)
   (:results (start :scs (any-reg))
-	    (count :scs (any-reg)))
+            (count :scs (any-reg)))
   (:generator 20
     (sc-case skip
       (zero
@@ -142,14 +161,14 @@
       (any-reg
        (inst addu src context skip)))
     (move count num)
-    (inst beq num zero-tn done)
-    (inst move start csp-tn)
-    (inst move dst csp-tn)
+    (inst beq num done)
+    (move start csp-tn t)
+    (move dst csp-tn)
     (inst addu csp-tn count)
     LOOP
     (inst lw temp src)
-    (inst addu src 4)
-    (inst addu dst 4)
+    (inst addu src n-word-bytes)
+    (inst addu dst n-word-bytes)
     (inst bne dst csp-tn loop)
-    (inst sw temp dst -4)
+    (inst sw temp dst (- n-word-bytes))
     DONE))