X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fsparc%2Fsystem.lisp;h=9d55247d67cbff9a176ce6d9611b5599465c52ab;hb=9c510b74eca61bbcc2014dc2b1d02049dff50508;hp=0ef87f43ec9ce6c96ac06203f3faa68df8c469f6;hpb=09d7974601df2aaaa820ca576026b9b4f03e6ab1;p=sbcl.git

diff --git a/src/compiler/sparc/system.lisp b/src/compiler/sparc/system.lisp
index 0ef87f4..9d55247 100644
--- a/src/compiler/sparc/system.lisp
+++ b/src/compiler/sparc/system.lisp
@@ -42,13 +42,13 @@
     (inst b :eq done)
     ;; Okay, it is an immediate.  If fixnum, we want zero.  Otherwise,
     ;; we want the low 8 bits.
-    (inst andcc zero-tn object #b11)
+    (inst andcc zero-tn object fixnum-tag-mask)
     (inst b :eq done)
     (inst li result 0)
     ;; It wasn't a fixnum, so get the low 8 bits.
     (inst b done)
     (inst and result object widetag-mask)
-    
+
     FUNCTION-POINTER
     (inst b done)
     (load-type result object (- fun-pointer-lowtag))
@@ -74,7 +74,7 @@
   (:translate (setf fun-subtype))
   (:policy :fast-safe)
   (:args (type :scs (unsigned-reg) :target result)
-	 (function :scs (descriptor-reg)))
+         (function :scs (descriptor-reg)))
   (:arg-types positive-fixnum *)
   (:results (result :scs (unsigned-reg)))
   (:result-types positive-fixnum)
@@ -108,7 +108,7 @@
   (:translate set-header-data)
   (:policy :fast-safe)
   (:args (x :scs (descriptor-reg) :target res)
-	 (data :scs (any-reg immediate zero)))
+         (data :scs (any-reg immediate zero)))
   (:arg-types * positive-fixnum)
   (:results (res :scs (descriptor-reg)))
   (:temporary (:scs (non-descriptor-reg)) t1 t2)
@@ -117,7 +117,7 @@
     (inst and t1 widetag-mask)
     (sc-case data
       (any-reg
-       (inst sll t2 data (- n-widetag-bits 2))
+       (inst sll t2 data (- n-widetag-bits n-fixnum-tag-bits))
        (inst or t1 t2))
       (immediate
        (inst or t1 (ash (tn-value data) n-widetag-bits)))
@@ -126,32 +126,17 @@
     (move res x)))
 
 
-(define-vop (make-fixnum)
+(define-vop (pointer-hash)
+  (:translate pointer-hash)
   (:args (ptr :scs (any-reg descriptor-reg)))
   (:results (res :scs (any-reg descriptor-reg)))
+  (:policy :fast-safe)
   (:generator 1
-    ;; FIXME: CMUCL comment:
-    ;; Some code (the hash table code) depends on this returning a
-    ;; positive number so make sure it does.
+    ;; FIXME: It would be better if this would mask the lowtag,
+    ;; and shift the result into a positive fixnum like on x86.
     (inst sll res ptr 3)
     (inst srl res res 1)))
 
-(define-vop (make-other-immediate-type)
-  (:args (val :scs (any-reg descriptor-reg))
-	 (type :scs (any-reg descriptor-reg immediate)
-	       :target temp))
-  (:results (res :scs (any-reg descriptor-reg)))
-  (:temporary (:scs (non-descriptor-reg)) temp)
-  (:generator 2
-    (sc-case type
-      (immediate
-       (inst sll temp val n-widetag-bits)
-       (inst or res temp (tn-value type)))
-      (t
-       (inst sra temp type 2)
-       (inst sll res val (- n-widetag-bits 2))
-       (inst or res res temp)))))
-
 
 ;;;; allocation
 
@@ -198,7 +183,7 @@
 
 (define-vop (compute-fun)
   (:args (code :scs (descriptor-reg))
-	 (offset :scs (signed-reg unsigned-reg)))
+         (offset :scs (signed-reg unsigned-reg)))
   (:arg-types * positive-fixnum)
   (:results (func :scs (descriptor-reg)))
   (:temporary (:scs (non-descriptor-reg)) ndescr)
@@ -222,6 +207,8 @@
   (:generator 1
     (inst unimp pending-interrupt-trap)))
 
+#!+sb-thread
+(error "write a VOP for CURRENT-THREAD-OFFSET-SAP")
 
 (define-vop (halt)
   (:generator 1
@@ -237,9 +224,15 @@
   (:temporary (:scs (non-descriptor-reg)) count)
   (:generator 1
     (let ((offset
-	   (- (* (+ index vector-data-offset) n-word-bytes)
-	      other-pointer-lowtag)))
-      (assert (typep offset '(signed-byte 13)))
+           (- (* (+ index vector-data-offset) n-word-bytes)
+              other-pointer-lowtag)))
+      (aver (typep offset '(signed-byte 13)))
       (inst ld count count-vector offset)
       (inst add count 1)
       (inst st count count-vector offset))))
+
+;;;; Dummy definition for a spin-loop hint VOP
+(define-vop (spin-loop-hint)
+  (:translate spin-loop-hint)
+  (:policy :fast-safe)
+  (:generator 0))