X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Ffndb.lisp;h=e845ec7cba2164cbd90f1ce782b3700c27a5d6cb;hb=26265f96389d737bf2e1e4c787ea8943ae499944;hp=704e7f0ba402ec0ef8c7e3aa3f36d8cc099f81f8;hpb=c2431e2d0d0222a3cf20cfdfa48201bdcc65cd76;p=sbcl.git

diff --git a/src/compiler/fndb.lisp b/src/compiler/fndb.lisp
index 704e7f0..e845ec7 100644
--- a/src/compiler/fndb.lisp
+++ b/src/compiler/fndb.lisp
@@ -16,9 +16,9 @@
 ;;;; information for known functions:
 
 (defknown coerce (t type-specifier) t
-  ;; Note:
-  ;; This is not FLUSHABLE because it's defined to signal errors.
-  (movable)
+    ;; Note:
+    ;; This is not FLUSHABLE because it's defined to signal errors.
+    (movable)
   ;; :DERIVE-TYPE RESULT-TYPE-SPEC-NTH-ARG 2 ? Nope... (COERCE 1 'COMPLEX)
   ;; returns REAL/INTEGER, not COMPLEX.
   )
@@ -29,8 +29,8 @@
 
 ;;; These can be affected by type definitions, so they're not FOLDABLE.
 (defknown (sb!xc:upgraded-complex-part-type sb!xc:upgraded-array-element-type)
-          (type-specifier &optional lexenv-designator) type-specifier
-  (unsafely-flushable))
+    (type-specifier &optional lexenv-designator) type-specifier
+    (unsafely-flushable))
 
 ;;;; from the "Predicates" chapter:
 
@@ -156,12 +156,15 @@
 ;;;; from the "Symbols" chapter:
 
 (defknown get (symbol t &optional t) t (flushable))
+(defknown sb!impl::get2 (symbol t) t (flushable))
+(defknown sb!impl::get3 (symbol t t) t (flushable))
 (defknown remprop (symbol t) t)
 (defknown symbol-plist (symbol) list (flushable))
 (defknown getf (list t &optional t) t (foldable flushable))
 (defknown get-properties (list list) (values t t list) (foldable flushable))
 (defknown symbol-name (symbol) simple-string (movable foldable flushable))
 (defknown make-symbol (string) symbol (flushable))
+(defknown %make-symbol (simple-string) symbol (flushable))
 (defknown copy-symbol (symbol &optional t) symbol (flushable))
 (defknown gensym (&optional (or string unsigned-byte)) symbol ())
 (defknown symbol-package (symbol) (or sb!xc:package null) (flushable))
@@ -201,7 +204,7 @@
 (defknown unexport (symbols-designator &optional package-designator) (eql t))
 (defknown shadowing-import (symbols-designator &optional package-designator)
   (eql t))
-(defknown shadow ((or symbol string list) &optional package-designator)
+(defknown shadow ((or symbol character string list) &optional package-designator)
   (eql t))
 (defknown (use-package unuse-package)
   ((or list package-designator) &optional package-designator) (eql t))
@@ -228,7 +231,7 @@
 (defknown * (&rest number) number
   (movable foldable flushable explicit-check))
 (defknown / (number &rest number) number
-  (movable foldable flushable explicit-check))
+  (movable foldable unsafely-flushable explicit-check))
 (defknown (1+ 1-) (number) number
   (movable foldable flushable explicit-check))
 
@@ -431,8 +434,9 @@
 (defknown reverse (sequence) consed-sequence (flushable)
   :derive-type (sequence-result-nth-arg 1))
 
-(defknown nreverse (sequence) sequence ()
-  :derive-type #'result-type-first-arg)
+(defknown nreverse (sequence) sequence (important-result)
+  :derive-type #'result-type-first-arg
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 
 (defknown make-sequence (type-specifier index
                                         &key
@@ -461,7 +465,8 @@
 (defknown map-into (sequence callable &rest sequence)
   sequence
   (call)
-  :derive-type #'result-type-first-arg)
+  :derive-type #'result-type-first-arg
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 
 ;;; returns the result from the predicate...
 (defknown some (callable sequence &rest sequence) t
@@ -471,33 +476,25 @@
   (foldable unsafely-flushable call))
 
 ;;; unsafe for :INITIAL-VALUE...
-(defknown reduce (callable
-                  sequence
-                  &key
-                  (:from-end t)
-                  (:start index)
-                  (:end sequence-end)
-                  (:initial-value t)
-                  (:key callable))
+(defknown reduce (callable sequence &rest t &key (:from-end t) (:start index)
+                  (:end sequence-end) (:initial-value t) (:key callable))
   t
   (foldable flushable call unsafe))
 
-(defknown fill (sequence t &key (:start index) (:end sequence-end)) sequence
+(defknown fill (sequence t &rest t &key
+                         (:start index) (:end sequence-end)) sequence
   (unsafe)
-  :derive-type #'result-type-first-arg)
+  :derive-type #'result-type-first-arg
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 
-(defknown replace (sequence
-                   sequence
-                   &key
-                   (:start1 index)
-                   (:end1 sequence-end)
-                   (:start2 index)
-                   (:end2 sequence-end))
+(defknown replace (sequence sequence &rest t &key (:start1 index)
+                   (:end1 sequence-end) (:start2 index) (:end2 sequence-end))
   sequence ()
-  :derive-type #'result-type-first-arg)
+  :derive-type #'result-type-first-arg
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 
 (defknown remove
-  (t sequence &key (:from-end t) (:test callable)
+  (t sequence &rest t &key (:from-end t) (:test callable)
      (:test-not callable) (:start index) (:end sequence-end)
      (:count sequence-count) (:key callable))
   consed-sequence
@@ -505,7 +502,7 @@
   :derive-type (sequence-result-nth-arg 2))
 
 (defknown substitute
-  (t t sequence &key (:from-end t) (:test callable)
+  (t t sequence &rest t &key (:from-end t) (:test callable)
      (:test-not callable) (:start index) (:end sequence-end)
      (:count sequence-count) (:key callable))
   consed-sequence
@@ -513,120 +510,131 @@
   :derive-type (sequence-result-nth-arg 3))
 
 (defknown (remove-if remove-if-not)
-  (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
-            (:count sequence-count) (:key callable))
+  (callable sequence &rest t &key (:from-end t) (:start index)
+            (:end sequence-end) (:count sequence-count) (:key callable))
   consed-sequence
   (flushable call)
   :derive-type (sequence-result-nth-arg 2))
 
 (defknown (substitute-if substitute-if-not)
-  (t callable sequence &key (:from-end t) (:start index) (:end sequence-end)
-     (:count sequence-count) (:key callable))
+  (t callable sequence &rest t &key (:from-end t) (:start index)
+     (:end sequence-end) (:count sequence-count) (:key callable))
   consed-sequence
   (flushable call)
   :derive-type (sequence-result-nth-arg 3))
 
 (defknown delete
-  (t sequence &key (:from-end t) (:test callable)
+  (t sequence &rest t &key (:from-end t) (:test callable)
      (:test-not callable) (:start index) (:end sequence-end)
      (:count sequence-count) (:key callable))
   sequence
-  (flushable call)
-  :derive-type (sequence-result-nth-arg 2))
+  (flushable call important-result)
+  :derive-type (sequence-result-nth-arg 2)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 2))
 
 (defknown nsubstitute
-  (t t sequence &key (:from-end t) (:test callable)
+  (t t sequence &rest t &key (:from-end t) (:test callable)
      (:test-not callable) (:start index) (:end sequence-end)
      (:count sequence-count) (:key callable))
   sequence
   (flushable call)
-  :derive-type (sequence-result-nth-arg 3))
+  :derive-type (sequence-result-nth-arg 3)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 3))
 
 (defknown (delete-if delete-if-not)
-  (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
-            (:count sequence-count) (:key callable))
+  (callable sequence &rest t &key (:from-end t) (:start index)
+            (:end sequence-end) (:count sequence-count) (:key callable))
   sequence
-  (flushable call)
-  :derive-type (sequence-result-nth-arg 2))
+  (flushable call important-result)
+  :derive-type (sequence-result-nth-arg 2)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 2))
 
 (defknown (nsubstitute-if nsubstitute-if-not)
-  (t callable sequence &key (:from-end t) (:start index) (:end sequence-end)
-     (:count sequence-count) (:key callable))
+  (t callable sequence &rest t &key (:from-end t) (:start index)
+     (:end sequence-end) (:count sequence-count) (:key callable))
   sequence
   (flushable call)
-  :derive-type (sequence-result-nth-arg 3))
+  :derive-type (sequence-result-nth-arg 3)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 3))
 
 (defknown remove-duplicates
-  (sequence &key (:test callable) (:test-not callable) (:start index)
+  (sequence &rest t &key (:test callable) (:test-not callable) (:start index)
             (:from-end t) (:end sequence-end) (:key callable))
   consed-sequence
   (unsafely-flushable call)
   :derive-type (sequence-result-nth-arg 1))
 
 (defknown delete-duplicates
-  (sequence &key (:test callable) (:test-not callable) (:start index)
+  (sequence &rest t &key (:test callable) (:test-not callable) (:start index)
             (:from-end t) (:end sequence-end) (:key callable))
   sequence
-  (unsafely-flushable call)
-  :derive-type (sequence-result-nth-arg 1))
+  (unsafely-flushable call important-result)
+  :derive-type (sequence-result-nth-arg 1)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 
-(defknown find (t sequence &key (:test callable) (:test-not callable)
-                  (:start index) (:from-end t) (:end sequence-end)
-                  (:key callable))
+(defknown find (t sequence &rest t &key (:test callable)
+                (:test-not callable) (:start index) (:from-end t)
+                (:end sequence-end) (:key callable))
   t
   (foldable flushable call))
 
 (defknown (find-if find-if-not)
-  (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
-            (:key callable))
+  (callable sequence &rest t &key (:from-end t) (:start index)
+   (:end sequence-end) (:key callable))
   t
   (foldable flushable call))
 
-(defknown position (t sequence &key (:test callable) (:test-not callable)
-                      (:start index) (:from-end t) (:end sequence-end)
-                      (:key callable))
+(defknown position (t sequence &rest t &key (:test callable)
+                    (:test-not callable) (:start index) (:from-end t)
+                    (:end sequence-end) (:key callable))
   (or index null)
   (foldable flushable call))
 
 (defknown (position-if position-if-not)
-  (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
-            (:key callable))
+  (callable sequence &rest t &key (:from-end t) (:start index)
+   (:end sequence-end) (:key callable))
   (or index null)
   (foldable flushable call))
 
-(defknown count (t sequence &key (:test callable) (:test-not callable)
-                      (:start index) (:from-end t) (:end sequence-end)
-                      (:key callable))
+(defknown count (t sequence &rest t &key
+                   (:test callable) (:test-not callable) (:start index)
+                   (:from-end t) (:end sequence-end) (:key callable))
   index
   (foldable flushable call))
 
 (defknown (count-if count-if-not)
-  (callable sequence &key (:from-end t) (:start index) (:end sequence-end)
-            (:key callable))
+  (callable sequence &rest t &key
+            (:from-end t) (:start index) (:end sequence-end) (:key callable))
   index
   (foldable flushable call))
 
 (defknown (mismatch search)
-  (sequence sequence &key (:from-end t) (:test callable) (:test-not callable)
-            (:start1 index) (:end1 sequence-end)
-            (:start2 index) (:end2 sequence-end)
-            (:key callable))
+  (sequence sequence &rest t &key (:from-end t) (:test callable)
+   (:test-not callable) (:start1 index) (:end1 sequence-end)
+   (:start2 index) (:end2 sequence-end) (:key callable))
   (or index null)
   (foldable flushable call))
 
 ;;; not FLUSHABLE, since vector sort guaranteed in-place...
-(defknown (stable-sort sort) (sequence callable &key (:key callable)) sequence
+(defknown (stable-sort sort) (sequence callable &rest t &key (:key callable))
+  sequence
   (call)
-  :derive-type (sequence-result-nth-arg 1))
+  :derive-type (sequence-result-nth-arg 1)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
+(defknown sb!impl::stable-sort-list (list function function) list
+  (call important-result)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 (defknown sb!impl::sort-vector (vector index index function (or function null))
   * ; SORT-VECTOR works through side-effect
-  (call))
+  (call)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 
 (defknown merge (type-specifier sequence sequence callable
                                 &key (:key callable))
   sequence
-  (call)
-  :derive-type (creation-result-type-specifier-nth-arg 1))
+  (call important-result)
+  :derive-type (creation-result-type-specifier-nth-arg 1)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 2 3))
 
 ;;; not FLUSHABLE, despite what CMU CL's DEFKNOWN said..
 (defknown read-sequence (sequence stream
@@ -671,6 +679,7 @@
 (defknown nth (unsigned-byte list) t (foldable flushable))
 (defknown nthcdr (unsigned-byte list) t (foldable unsafely-flushable))
 (defknown last (list &optional unsigned-byte) t (foldable flushable))
+(defknown sb!impl::last1 (list) t (foldable flushable))
 (defknown list (&rest t) list (movable flushable unsafe))
 (defknown list* (t &rest t) t (movable flushable unsafe))
 (defknown make-list (index &key (:initial-element t)) list
@@ -688,25 +697,44 @@
 ;;; All but last must be of type LIST, but there seems to be no way to
 ;;; express that in this syntax. The result must be LIST, but we do
 ;;; not check it now :-).
-(defknown nconc (&rest t) t ())
+(defknown nconc (&rest t) t ()
+  :destroyed-constant-args (remove-non-constants-and-nils #'butlast))
+(defknown sb!impl::nconc2 (list t) t ()
+  :destroyed-constant-args (remove-non-constants-and-nils #'butlast))
 
-(defknown nreconc (list t) t ())
+(defknown nreconc (list t) t (important-result)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 (defknown butlast (list &optional unsigned-byte) list (flushable))
-(defknown nbutlast (list &optional unsigned-byte) list ())
+(defknown nbutlast (list &optional unsigned-byte) list ()
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
+
 (defknown ldiff (list t) list (flushable))
-(defknown (rplaca rplacd) (cons t) list (unsafe))
+(defknown (rplaca rplacd) (cons t) list (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
 
-(defknown (nsubst subst) (t t t &key (:key callable) (:test callable)
-                            (:test-not callable))
+(defknown subst (t t t &key (:key callable) (:test callable)
+                   (:test-not callable))
   t (flushable unsafe call))
+(defknown nsubst (t t t &key (:key callable) (:test callable)
+                    (:test-not callable))
+  t (unsafe call)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 3))
 
-(defknown (subst-if subst-if-not nsubst-if nsubst-if-not)
+(defknown (subst-if subst-if-not)
           (t callable t &key (:key callable))
   t (flushable unsafe call))
+(defknown (nsubst-if nsubst-if-not)
+          (t callable t &key (:key callable))
+  t (unsafe call)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 3))
 
-(defknown (sublis nsublis) (list t &key (:key callable) (:test callable)
-                                 (:test-not callable))
+(defknown sublis (list t &key (:key callable) (:test callable)
+                       (:test-not callable))
   t (flushable unsafe call))
+(defknown nsublis (list t &key (:key callable) (:test callable)
+                        (:test-not callable))
+  t (flushable unsafe call)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 2))
 
 (defknown member (t list &key (:key callable) (:test callable)
                     (:test-not callable))
@@ -728,7 +756,8 @@
 (defknown (nunion nintersection nset-difference nset-exclusive-or)
   (list list &key (:key callable) (:test callable) (:test-not callable))
   list
-  (foldable flushable call))
+  (foldable flushable call important-result)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1 2))
 
 (defknown subsetp
   (list list &key (:key callable) (:test callable) (:test-not callable))
@@ -745,7 +774,8 @@
           (callable list &key (:key callable)) list (foldable flushable call))
 
 (defknown (memq assq) (t list) list (foldable flushable unsafe))
-(defknown delq (t list) list (flushable unsafe))
+(defknown delq (t list) list (flushable unsafe)
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 2))
 
 ;;;; from the "Hash Tables" chapter:
 
@@ -753,16 +783,23 @@
   (&key (:test callable) (:size unsigned-byte)
         (:rehash-size (or (integer 1) (float (1.0))))
         (:rehash-threshold (real 0 1))
-        (:weak-p t))
+        (:weakness (member nil :key :value :key-and-value :key-or-value)))
   hash-table
   (flushable unsafe))
 (defknown hash-table-p (t) boolean (movable foldable flushable))
 (defknown gethash (t hash-table &optional t) (values t boolean)
   (flushable unsafe)) ; not FOLDABLE, since hash table contents can change
-(defknown %puthash (t hash-table t) t (unsafe))
-(defknown remhash (t hash-table) boolean ())
+(defknown sb!impl::gethash2 (t hash-table) (values t boolean)
+  (flushable unsafe)) ; not FOLDABLE, since hash table contents can change
+(defknown sb!impl::gethash3 (t hash-table t) (values t boolean)
+  (flushable unsafe)) ; not FOLDABLE, since hash table contents can change
+(defknown %puthash (t hash-table t) t (unsafe)
+  :destroyed-constant-args (nth-constant-args 2))
+(defknown remhash (t hash-table) boolean ()
+  :destroyed-constant-args (nth-constant-args 2))
 (defknown maphash (callable hash-table) null (flushable call))
-(defknown clrhash (hash-table) hash-table ())
+(defknown clrhash (hash-table) hash-table ()
+  :destroyed-constant-args (nth-constant-args 2))
 (defknown hash-table-count (hash-table) index (flushable))
 (defknown hash-table-rehash-size (hash-table) (or (integer 1) (float (1.0)))
   (foldable flushable))
@@ -772,6 +809,8 @@
 (defknown hash-table-test (hash-table) symbol (foldable flushable))
 (defknown sxhash (t) (integer 0 #.sb!xc:most-positive-fixnum)
   (#-sb-xc-host foldable flushable))
+(defknown psxhash (t &optional t) (integer 0 #.sb!xc:most-positive-fixnum)
+  (#-sb-xc-host foldable flushable))
 
 ;;;; from the "Arrays" chapter
 
@@ -807,6 +846,7 @@
 (defknown bit ((array bit) &rest index) bit (foldable flushable))
 (defknown sbit ((simple-array bit) &rest index) bit (foldable flushable))
 
+;;; FIXME: :DESTROYED-CONSTANT-ARGS for these is complicated.
 (defknown (bit-and bit-ior bit-xor bit-eqv bit-nand bit-nor bit-andc1 bit-andc2
                    bit-orc1 bit-orc2)
   ((array bit) (array bit) &optional (or (array bit) (member t nil)))
@@ -825,10 +865,16 @@
 (defknown array-has-fill-pointer-p (array) boolean
   (movable foldable flushable))
 (defknown fill-pointer (vector) index (foldable unsafely-flushable))
-(defknown vector-push (t vector) (or index null) ())
-(defknown vector-push-extend (t vector &optional index) index ())
-(defknown vector-pop (vector) t ())
-
+(defknown vector-push (t vector) (or index null) ()
+  :destroyed-constant-args (nth-constant-args 2))
+(defknown vector-push-extend (t vector &optional index) index ()
+  :destroyed-constant-args (nth-constant-args 2))
+(defknown vector-pop (vector) t ()
+  :destroyed-constant-args (nth-constant-args 1))
+
+;;; FIXME: complicated :DESTROYED-CONSTANT-ARGS
+;;; Also, an important-result warning could be provided if the array
+;;; is known to be not expressly adjustable.
 (defknown adjust-array
   (array (or index list) &key (:element-type type-specifier)
          (:initial-element t) (:initial-contents t)
@@ -869,7 +915,8 @@
 
 (defknown (nstring-upcase nstring-downcase nstring-capitalize)
   (string &key (:start index) (:end sequence-end))
-  string ())
+  string ()
+  :destroyed-constant-args (nth-constant-nonempty-sequence-args 1))
 
 (defknown string (string-designator) string
   (flushable explicit-check))
@@ -926,7 +973,7 @@
 (defknown readtablep (t) boolean (movable foldable flushable))
 
 (defknown set-syntax-from-char
-  (character character &optional (or readtable null) readtable) (eql t)
+  (character character &optional readtable (or readtable null)) (eql t)
   ())
 
 (defknown set-macro-character (character callable &optional t readtable)
@@ -1072,6 +1119,7 @@
 (defknown write-byte (integer stream) integer
   (explicit-check))
 
+;;; FIXME: complicated :DESTROYED-CONSTANT-ARGS
 (defknown format ((or (member nil t) stream string)
                   (or string function) &rest t)
   (or string null)
@@ -1109,7 +1157,7 @@
 (defknown load-logical-pathname-translations (string) t ())
 (defknown logical-pathname-translations (logical-host-designator) list ())
 
-(defknown pathname (pathname-designator) pathname (unsafely-flushable))
+(defknown pathname (pathname-designator) pathname ())
 (defknown truename (pathname-designator) pathname ())
 
 (defknown parse-namestring
@@ -1126,7 +1174,7 @@
 (defknown merge-pathnames
   (pathname-designator &optional pathname-designator pathname-version)
   pathname
-  (unsafely-flushable))
+  ())
 
 (defknown make-pathname
  (&key (:defaults pathname-designator)
@@ -1352,6 +1400,10 @@
 (defknown %listify-rest-args (t index) list (flushable))
 (defknown %more-arg-context (t t) (values t index) (flushable))
 (defknown %more-arg (t index) t)
+#!+stack-grows-downward-not-upward
+;;; FIXME: The second argument here should really be NEGATIVE-INDEX, but doing that
+;;; breaks the build, and I cannot seem to figure out why. --NS 2006-06-29
+(defknown %more-kw-arg (t fixnum) (values t t))
 (defknown %more-arg-values (t index index) * (flushable))
 (defknown %verify-arg-count (index index) (values))
 (defknown %arg-count-error (t) nil)
@@ -1382,19 +1434,33 @@
 (defknown %negate (number) number (movable foldable flushable explicit-check))
 (defknown %check-bound (array index fixnum) index (movable foldable flushable))
 (defknown data-vector-ref (simple-array index) t
-  (foldable explicit-check))
-(defknown data-vector-set (array index t) t (unsafe explicit-check))
+  (foldable explicit-check always-translatable))
+(defknown data-vector-ref-with-offset (simple-array index fixnum) t
+  (foldable explicit-check always-translatable))
+(defknown data-vector-set (array index t) t
+  (unsafe explicit-check always-translatable))
+(defknown data-vector-set-with-offset (array index fixnum t) t
+  (unsafe explicit-check always-translatable))
 (defknown hairy-data-vector-ref (array index) t
   (foldable explicit-check))
 (defknown hairy-data-vector-set (array index t) t (unsafe explicit-check))
+(defknown hairy-data-vector-ref/check-bounds (array index) t
+  (foldable explicit-check))
+(defknown hairy-data-vector-set/check-bounds (array index t)
+  t
+  (unsafe explicit-check))
 (defknown %caller-frame-and-pc () (values t t) (flushable))
 (defknown %with-array-data (array index (or index null))
   (values (simple-array * (*)) index index index)
   (foldable flushable))
+(defknown %with-array-data/fp (array index (or index null))
+  (values (simple-array * (*)) index index index)
+  (foldable flushable))
 (defknown %set-symbol-package (symbol t) t (unsafe))
 (defknown %coerce-name-to-fun ((or symbol cons)) function (flushable))
 (defknown %coerce-callable-to-fun (callable) function (flushable))
-(defknown failed-%with-array-data (t t t) nil)
+(defknown bounding-index-error (t t t) nil)
+(defknown bounding-index-error/fp (t t t) nil)
 (defknown %find-position
   (t sequence t index sequence-end function function)
   (values t (or index null))
@@ -1426,32 +1492,42 @@
 
 ;;;; SETF inverses
 
-(defknown %aset (array &rest t) t (unsafe))
-(defknown %set-row-major-aref (array index t) t (unsafe))
-(defknown %rplaca (cons t) t (unsafe))
-(defknown %rplacd (cons t) t (unsafe))
+(defknown %aset (array &rest t) t (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
+(defknown %set-row-major-aref (array index t) t (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
+(defknown (%rplaca %rplacd) (cons t) t (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
 (defknown %put (symbol t t) t (unsafe))
-(defknown %setelt (sequence index t) t (unsafe))
-(defknown %svset (simple-vector index t) t (unsafe))
-(defknown %bitset ((array bit) &rest index) bit (unsafe))
-(defknown %sbitset ((simple-array bit) &rest index) bit (unsafe))
-(defknown %charset (string index character) character (unsafe))
-(defknown %scharset (simple-string index character) character (unsafe))
+(defknown %setelt (sequence index t) t (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
+(defknown %svset (simple-vector index t) t (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
+(defknown %bitset ((array bit) &rest index) bit (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
+(defknown %sbitset ((simple-array bit) &rest index) bit (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
+(defknown %charset (string index character) character (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
+(defknown %scharset (simple-string index character) character (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
 (defknown %set-symbol-value (symbol t) t (unsafe))
 (defknown (setf symbol-function) (function symbol) function (unsafe))
-(defknown %set-symbol-plist (symbol t) t (unsafe))
+(defknown %set-symbol-plist (symbol list) list (unsafe))
 (defknown (setf fdocumentation) ((or string null) t symbol)
   (or string null)
   ())
-(defknown %setnth (unsigned-byte list t) t (unsafe))
-(defknown %set-fill-pointer (vector index) index (unsafe))
+(defknown %setnth (unsigned-byte list t) t (unsafe)
+  :destroyed-constant-args (nth-constant-args 2))
+(defknown %set-fill-pointer (vector index) index (unsafe)
+  :destroyed-constant-args (nth-constant-args 1))
 
 ;;;; ALIEN and call-out-to-C stuff
 
-;;; 'unsafe' attribute because we store the arg on the stack, which is in
-;;; some sense 'passing it upwards'
-(defknown sb!vm::push-word-on-c-stack (system-area-pointer) (values) (unsafe))
-(defknown sb!vm::pop-words-from-c-stack (index) (values) ())
+;; Used by WITH-PINNED-OBJECTS
+#!+(or x86 x86-64)
+(defknown sb!vm::touch-object (t) (values)
+    (unsafe always-translatable))
 
 #!+linkage-table
 (defknown foreign-symbol-dataref-sap (simple-string)
@@ -1474,10 +1550,17 @@
 (defknown policy-quality (policy symbol) policy-quality
           (flushable))
 
-(defknown (compiler-abort compiler-error) (string &rest t) nil ())
+(defknown compiler-error (t &rest t) nil ())
 (defknown (compiler-warn compiler-style-warn) (string &rest t) (values) ())
 (defknown (compiler-notify maybe-compiler-notify) ((or string symbol) &rest t)
   (values)
   ())
 (defknown style-warn (string &rest t) null ())
 
+;;;; atomic ops
+(defknown %compare-and-swap-svref (simple-vector index t t) t
+    (unsafe))
+(defknown %compare-and-swap-instance-ref (instance index t t) t
+    (unsafe))
+(defknown %compare-and-swap-symbol-value (symbol t t) t
+    (unsafe unwind))