X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fcell.lisp;h=bb18e4ce22f1f4eee0da02044a922e0136d38dbf;hb=3d544b84f2b7ecd617d220145a775079df6c7919;hp=4bab30f2718695f445b6449d3b216c187da77eec;hpb=c823a0c4ad5be108455745c7b451228182d5d164;p=sbcl.git

diff --git a/src/compiler/mips/cell.lisp b/src/compiler/mips/cell.lisp
index 4bab30f..bb18e4c 100644
--- a/src/compiler/mips/cell.lisp
+++ b/src/compiler/mips/cell.lisp
@@ -31,6 +31,7 @@
   (:generator 1
     (storew value object offset lowtag)))
 
+(define-vop (init-slot set-slot))
 
 ;;;; Symbol hacking VOPs:
 
@@ -91,19 +92,24 @@
   (:policy :fast-safe)
   (:translate symbol-hash)
   (:args (symbol :scs (descriptor-reg)))
+  (:temporary (:scs (non-descriptor-reg)) temp)
   (:results (res :scs (any-reg)))
   (:result-types positive-fixnum)
-  (:temporary (:scs (any-reg)) temp)
   (:generator 2
     ;; The symbol-hash slot of NIL holds NIL because it is also the
     ;; cdr slot, so we have to strip off the two low bits to make sure
     ;; it is a fixnum.  The lowtag selection magic that is required to
     ;; ensure this is explained in the comment in objdef.lisp
-    ;;
-    ;; wow, MIPS sucks (or I do) -- CSR, 2004-05-20
-    (inst li temp (fixnumize -1))
-    (loadw res symbol symbol-hash-slot other-pointer-lowtag)
-    (inst and res temp)))
+    (loadw temp symbol symbol-hash-slot other-pointer-lowtag)
+    (inst srl temp n-fixnum-tag-bits)
+    (inst sll res temp n-fixnum-tag-bits)))
+
+;;; On unithreaded builds these are just copies of the non-global versions.
+(define-vop (%set-symbol-global-value set))
+(define-vop (symbol-global-value symbol-value)
+  (:translate symbol-global-value))
+(define-vop (fast-symbol-global-value fast-symbol-value)
+  (:translate symbol-global-value))
 
 ;;;; Fdefinition (fdefn) objects.
 
@@ -165,6 +171,7 @@
 ;;; BIND -- Establish VAL as a binding for SYMBOL.  Save the old value and
 ;;; the symbol on the binding stack and stuff the new value into the
 ;;; symbol.
+;;; See the "Chapter 9: Specials" of the SBCL Internals Manual.
 
 (define-vop (bind)
   (:args (val :scs (any-reg descriptor-reg))
@@ -237,6 +244,12 @@
 
 (define-vop (closure-init slot-set)
   (:variant closure-info-offset fun-pointer-lowtag))
+
+(define-vop (closure-init-from-fp)
+  (:args (object :scs (descriptor-reg)))
+  (:info offset)
+  (:generator 4
+    (storew cfp-tn object (+ closure-info-offset offset) fun-pointer-lowtag)))
 
 ;;;; Value Cell hackery.
 
@@ -294,7 +307,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset n-word-bytes)
     (inst addu lip offset object)
@@ -315,7 +328,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset n-word-bytes)
     (inst addu lip offset object)
@@ -336,7 +349,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset n-word-bytes)
     (inst addu lip offset object)
@@ -357,7 +370,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset n-word-bytes)
     (inst addu lip offset object)
@@ -379,7 +392,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset (* 2 n-word-bytes))
     (inst addu lip offset object)
@@ -408,7 +421,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset (* 2 n-word-bytes))
     (inst addu lip offset object)
@@ -438,7 +451,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset (* 2 n-word-bytes))
     (inst addu lip offset object)
@@ -467,7 +480,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset (* 2 n-word-bytes))
     (inst addu lip offset object)
@@ -503,7 +516,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset (* 4 n-word-bytes))
     (inst addu lip offset object)
@@ -566,7 +579,7 @@
   (:generator 5
     (loadw offset object 0 instance-pointer-lowtag)
     (inst srl offset n-widetag-bits)
-    (inst sll offset 2)
+    (inst sll offset n-fixnum-tag-bits)
     (inst subu offset index)
     (inst subu offset (* 4 n-word-bytes))
     (inst addu lip offset object)