X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fsystem.lisp;h=b31d80d9d661f0b6acafc8b97164287990ed370a;hb=df06965814a879aa8ccd9367f2b1c450daccc601;hp=8bc6987c8bc8a18561c3db6f5447773e5a75d8a8;hpb=4ae1b794a5d6a90794468cf8017f5307f2c30dfe;p=sbcl.git

diff --git a/src/compiler/mips/system.lisp b/src/compiler/mips/system.lisp
index 8bc6987..b31d80d 100644
--- a/src/compiler/mips/system.lisp
+++ b/src/compiler/mips/system.lisp
@@ -1,32 +1,15 @@
-(in-package "SB!VM")
+;;;; MIPS VM definitions of various system hacking operations
 
-
-;;;; Random pointer comparison VOPs
-
-(define-vop (pointer-compare)
-  (:args (x :scs (sap-reg))
-	 (y :scs (sap-reg)))
-  (:arg-types system-area-pointer system-area-pointer)
-  (:temporary (:scs (non-descriptor-reg)) temp)
-  (:conditional)
-  (:info target not-p)
-  (:policy :fast-safe)
-  (:note "inline comparison")
-  (:variant-vars condition)
-  (:generator 3
-    (three-way-comparison x y condition :unsigned not-p target temp)))
-
-#+nil
-(macrolet ((frob (name cond)
-	     `(progn
-		(def-primitive-translator ,name (x y) `(,',name ,x ,y))
-		(defknown ,name (t t) boolean (movable foldable flushable))
-		(define-vop (,name pointer-compare)
-		  (:translate ,name)
-		  (:variant ,cond)))))
-  (frob pointer< :lt)
-  (frob pointer> :gt))
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
 
+(in-package "SB!VM")
 
 
 ;;;; Type frobbing VOPs
@@ -80,7 +63,7 @@
     OTHER-PTR
     (load-type result object (- other-pointer-lowtag))
     (inst nop)
-      
+
     DONE))
 
 (define-vop (fun-subtype)
@@ -97,7 +80,7 @@
   (: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)
@@ -130,7 +113,7 @@
   (: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)
@@ -159,8 +142,8 @@
 
 (define-vop (make-other-immediate-type)
   (:args (val :scs (any-reg descriptor-reg))
-	 (type :scs (any-reg descriptor-reg immediate)
-	       :target temp))
+         (type :scs (any-reg descriptor-reg immediate)
+               :target temp))
   (:results (res :scs (any-reg descriptor-reg)))
   (:temporary (:scs (non-descriptor-reg)) temp)
   (:generator 2
@@ -219,7 +202,7 @@
 
 (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)
@@ -235,17 +218,17 @@
 ;;;; Other random VOPs.
 
 
-(defknown sb!unix::do-pending-interrupt () (values))
-(define-vop (sb!unix::do-pending-interrupt)
+(defknown sb!unix::receive-pending-interrupt () (values))
+(define-vop (sb!unix::receive-pending-interrupt)
   (:policy :fast-safe)
-  (:translate sb!unix::do-pending-interrupt)
+  (:translate sb!unix::receive-pending-interrupt)
   (:generator 1
-    (inst break pending-interrupt-trap)))
+    (inst break 0 pending-interrupt-trap)))
 
 
 (define-vop (halt)
   (:generator 1
-    (inst break halt-trap)))
+    (inst break 0 halt-trap)))
 
 
 ;;;; Dynamic vop count collection support
@@ -256,7 +239,7 @@
   (:temporary (:scs (non-descriptor-reg)) count)
   (:generator 1
     (let ((offset
-	   (- (* (+ index vector-data-offset) n-word-bytes) other-pointer-lowtag)))
+           (- (* (+ index vector-data-offset) n-word-bytes) other-pointer-lowtag)))
       (inst lw count count-vector offset)
       (inst nop)
       (inst addu count 1)