src/compiler/x86-64/cell.lisp

   1 ;;;; various primitive memory access VOPs for the x86 VM
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; This software is derived from the CMU CL system, which was
   7 ;;;; written at Carnegie Mellon University and released into the
   8 ;;;; public domain. The software is in the public domain and is
   9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  10 ;;;; files for more information.
  11
  12 (in-package "SB!VM")
  13 \f
  14 ;;;; data object ref/set stuff
  15
  16 (define-vop (slot)
  17   (:args (object :scs (descriptor-reg)))
  18   (:info name offset lowtag)
  19   (:ignore name)
  20   (:results (result :scs (descriptor-reg any-reg)))
  21   (:generator 1
  22     (loadw result object offset lowtag)))
  23
  24 (define-vop (set-slot)
  25   (:args (object :scs (descriptor-reg))
  26          (value :scs (descriptor-reg any-reg immediate)))
  27   (:temporary (:sc descriptor-reg) temp)
  28   (:info name offset lowtag)
  29   (:ignore name)
  30   (:results)
  31   (:generator 1
  32     (if (sc-is value immediate)
  33         (let ((val (tn-value value)))
  34           (move-immediate (make-ea :qword
  35                                    :base object
  36                                    :disp (- (* offset n-word-bytes)
  37                                             lowtag))
  38                           (etypecase val
  39                             (integer
  40                              (fixnumize val))
  41                             (symbol
  42                              (+ nil-value (static-symbol-offset val)))
  43                             (character
  44                              (logior (ash (char-code val) n-widetag-bits)
  45                                      character-widetag)))
  46                           temp))
  47         ;; Else, value not immediate.
  48         (storew value object offset lowtag))))
  49
  50 (define-vop (compare-and-swap-slot)
  51   (:args (object :scs (descriptor-reg) :to :eval)
  52          (old :scs (descriptor-reg any-reg) :target rax)
  53          (new :scs (descriptor-reg any-reg)))
  54   (:temporary (:sc descriptor-reg :offset rax-offset
  55                    :from (:argument 1) :to :result :target result)
  56               rax)
  57   (:info name offset lowtag)
  58   (:ignore name)
  59   (:results (result :scs (descriptor-reg any-reg)))
  60   (:generator 5
  61      (move rax old)
  62      #!+sb-thread
  63      (inst lock)
  64      (inst cmpxchg (make-ea :qword :base object
  65                             :disp (- (* offset n-word-bytes) lowtag))
  66            new)
  67      (move result rax)))
  68 \f
  69 ;;;; symbol hacking VOPs
  70
  71 (define-vop (%compare-and-swap-symbol-value)
  72   (:translate %compare-and-swap-symbol-value)
  73   (:args (symbol :scs (descriptor-reg) :to (:result 1))
  74          (old :scs (descriptor-reg any-reg) :target rax)
  75          (new :scs (descriptor-reg any-reg)))
  76   (:temporary (:sc descriptor-reg :offset rax-offset) rax)
  77   #!+sb-thread
  78   (:temporary (:sc descriptor-reg) tls)
  79   (:results (result :scs (descriptor-reg any-reg)))
  80   (:policy :fast-safe)
  81   (:vop-var vop)
  82   (:generator 15
  83     ;; This code has two pathological cases: NO-TLS-VALUE-MARKER
  84     ;; or UNBOUND-MARKER as NEW: in either case we would end up
  85     ;; doing possible damage with CMPXCHG -- so don't do that!
  86     (let ((unbound (generate-error-code vop 'unbound-symbol-error symbol))
  87           (check (gen-label)))
  88       (move rax old)
  89       #!+sb-thread
  90       (progn
  91         (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
  92         ;; Thread-local area, no LOCK needed.
  93         (inst cmpxchg (make-ea :qword :base thread-base-tn
  94                                :index tls :scale 1)
  95               new)
  96         (inst cmp rax no-tls-value-marker-widetag)
  97         (inst jmp :ne check)
  98         (move rax old)
  99         (inst lock))
 100       (inst cmpxchg (make-ea :qword :base symbol
 101                              :disp (- (* symbol-value-slot n-word-bytes)
 102                                       other-pointer-lowtag)
 103                              :scale 1)
 104             new)
 105       (emit-label check)
 106       (move result rax)
 107       (inst cmp result unbound-marker-widetag)
 108       (inst jmp :e unbound))))
 109
 110 ;;; these next two cf the sparc version, by jrd.
 111 ;;; FIXME: Deref this ^ reference.
 112
 113
 114 ;;; The compiler likes to be able to directly SET symbols.
 115 #!+sb-thread
 116 (define-vop (set)
 117   (:args (symbol :scs (descriptor-reg))
 118          (value :scs (descriptor-reg any-reg)))
 119   (:temporary (:sc descriptor-reg) tls)
 120   ;;(:policy :fast-safe)
 121   (:generator 4
 122     (let ((global-val (gen-label))
 123           (done (gen-label)))
 124       (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
 125       (inst cmp (make-ea :qword :base thread-base-tn :scale 1 :index tls)
 126             no-tls-value-marker-widetag)
 127       (inst jmp :z global-val)
 128       (inst mov (make-ea :qword :base thread-base-tn :scale 1 :index tls)
 129             value)
 130       (inst jmp done)
 131       (emit-label global-val)
 132       (storew value symbol symbol-value-slot other-pointer-lowtag)
 133       (emit-label done))))
 134
 135 ;; unithreaded it's a lot simpler ...
 136 #!-sb-thread
 137 (define-vop (set cell-set)
 138   (:variant symbol-value-slot other-pointer-lowtag))
 139
 140 ;;; With Symbol-Value, we check that the value isn't the trap object. So
 141 ;;; Symbol-Value of NIL is NIL.
 142 #!+sb-thread
 143 (define-vop (symbol-value)
 144   (:translate symbol-value)
 145   (:policy :fast-safe)
 146   (:args (object :scs (descriptor-reg) :to (:result 1)))
 147   (:results (value :scs (descriptor-reg any-reg)))
 148   (:vop-var vop)
 149   (:save-p :compute-only)
 150   (:generator 9
 151     (let* ((check-unbound-label (gen-label))
 152            (err-lab (generate-error-code vop 'unbound-symbol-error object))
 153            (ret-lab (gen-label)))
 154       (loadw value object symbol-tls-index-slot other-pointer-lowtag)
 155       (inst mov value (make-ea :qword :base thread-base-tn
 156                                :index value :scale 1))
 157       (inst cmp value no-tls-value-marker-widetag)
 158       (inst jmp :ne check-unbound-label)
 159       (loadw value object symbol-value-slot other-pointer-lowtag)
 160       (emit-label check-unbound-label)
 161       (inst cmp value unbound-marker-widetag)
 162       (inst jmp :e err-lab)
 163       (emit-label ret-lab))))
 164
 165 #!+sb-thread
 166 (define-vop (fast-symbol-value symbol-value)
 167   ;; KLUDGE: not really fast, in fact, because we're going to have to
 168   ;; do a full lookup of the thread-local area anyway.  But half of
 169   ;; the meaning of FAST-SYMBOL-VALUE is "do not signal an error if
 170   ;; unbound", which is used in the implementation of COPY-SYMBOL.  --
 171   ;; CSR, 2003-04-22
 172   (:policy :fast)
 173   (:translate symbol-value)
 174   (:generator 8
 175     (let ((ret-lab (gen-label)))
 176       (loadw value object symbol-tls-index-slot other-pointer-lowtag)
 177       (inst mov value
 178             (make-ea :qword :base thread-base-tn :index value :scale 1))
 179       (inst cmp value no-tls-value-marker-widetag)
 180       (inst jmp :ne ret-lab)
 181       (loadw value object symbol-value-slot other-pointer-lowtag)
 182       (emit-label ret-lab))))
 183
 184 #!-sb-thread
 185 (define-vop (symbol-value)
 186   (:translate symbol-value)
 187   (:policy :fast-safe)
 188   (:args (object :scs (descriptor-reg) :to (:result 1)))
 189   (:results (value :scs (descriptor-reg any-reg)))
 190   (:vop-var vop)
 191   (:save-p :compute-only)
 192   (:generator 9
 193     (let ((err-lab (generate-error-code vop 'unbound-symbol-error object)))
 194       (loadw value object symbol-value-slot other-pointer-lowtag)
 195       (inst cmp value unbound-marker-widetag)
 196       (inst jmp :e err-lab))))
 197
 198 #!-sb-thread
 199 (define-vop (fast-symbol-value cell-ref)
 200   (:variant symbol-value-slot other-pointer-lowtag)
 201   (:policy :fast)
 202   (:translate symbol-value))
 203
 204 (defknown locked-symbol-global-value-add (symbol fixnum) fixnum ())
 205
 206 (define-vop (locked-symbol-global-value-add)
 207     (:args (object :scs (descriptor-reg) :to :result)
 208            (value :scs (any-reg) :target result))
 209   (:arg-types * tagged-num)
 210   (:results (result :scs (any-reg) :from (:argument 1)))
 211   (:policy :fast)
 212   (:translate locked-symbol-global-value-add)
 213   (:result-types tagged-num)
 214   (:policy :fast-safe)
 215   (:generator 4
 216     (move result value)
 217     (inst lock)
 218     (inst add (make-ea :qword :base object
 219                        :disp (- (* symbol-value-slot n-word-bytes)
 220                                 other-pointer-lowtag))
 221           value)))
 222
 223 #!+sb-thread
 224 (define-vop (boundp)
 225   (:translate boundp)
 226   (:policy :fast-safe)
 227   (:args (object :scs (descriptor-reg)))
 228   (:conditional)
 229   (:info target not-p)
 230   (:temporary (:sc descriptor-reg #+nil(:from (:argument 0))) value)
 231   (:generator 9
 232     (let ((check-unbound-label (gen-label)))
 233       (loadw value object symbol-tls-index-slot other-pointer-lowtag)
 234       (inst mov value
 235             (make-ea :qword :base thread-base-tn :index value :scale 1))
 236       (inst cmp value no-tls-value-marker-widetag)
 237       (inst jmp :ne check-unbound-label)
 238       (loadw value object symbol-value-slot other-pointer-lowtag)
 239       (emit-label check-unbound-label)
 240       (inst cmp value unbound-marker-widetag)
 241       (inst jmp (if not-p :e :ne) target))))
 242
 243 #!-sb-thread
 244 (define-vop (boundp)
 245   (:translate boundp)
 246   (:policy :fast-safe)
 247   (:args (object :scs (descriptor-reg)))
 248   (:conditional)
 249   (:info target not-p)
 250   (:generator 9
 251     (inst cmp (make-ea-for-object-slot object symbol-value-slot
 252                                        other-pointer-lowtag)
 253           unbound-marker-widetag)
 254     (inst jmp (if not-p :e :ne) target)))
 255
 256
 257 (define-vop (symbol-hash)
 258   (:policy :fast-safe)
 259   (:translate symbol-hash)
 260   (:args (symbol :scs (descriptor-reg)))
 261   (:results (res :scs (any-reg)))
 262   (:result-types positive-fixnum)
 263   (:generator 2
 264     ;; The symbol-hash slot of NIL holds NIL because it is also the
 265     ;; cdr slot, so we have to strip off the three low bits to make sure
 266     ;; it is a fixnum.  The lowtag selection magic that is required to
 267     ;; ensure this is explained in the comment in objdef.lisp
 268     (loadw res symbol symbol-hash-slot other-pointer-lowtag)
 269     (inst and res (lognot #b111))))
 270 \f
 271 ;;;; fdefinition (FDEFN) objects
 272
 273 (define-vop (fdefn-fun cell-ref)        ; /pfw - alpha
 274   (:variant fdefn-fun-slot other-pointer-lowtag))
 275
 276 (define-vop (safe-fdefn-fun)
 277   (:args (object :scs (descriptor-reg) :to (:result 1)))
 278   (:results (value :scs (descriptor-reg any-reg)))
 279   (:vop-var vop)
 280   (:save-p :compute-only)
 281   (:generator 10
 282     (loadw value object fdefn-fun-slot other-pointer-lowtag)
 283     (inst cmp value nil-value)
 284     (let ((err-lab (generate-error-code vop 'undefined-fun-error object)))
 285       (inst jmp :e err-lab))))
 286
 287 (define-vop (set-fdefn-fun)
 288   (:policy :fast-safe)
 289   (:translate (setf fdefn-fun))
 290   (:args (function :scs (descriptor-reg) :target result)
 291          (fdefn :scs (descriptor-reg)))
 292   (:temporary (:sc unsigned-reg) raw)
 293   (:temporary (:sc byte-reg) type)
 294   (:results (result :scs (descriptor-reg)))
 295   (:generator 38
 296     (load-type type function (- fun-pointer-lowtag))
 297     (inst lea raw
 298           (make-ea :byte :base function
 299                    :disp (- (* simple-fun-code-offset n-word-bytes)
 300                             fun-pointer-lowtag)))
 301     (inst cmp type simple-fun-header-widetag)
 302     (inst jmp :e NORMAL-FUN)
 303     (inst lea raw (make-fixup "closure_tramp" :foreign))
 304     NORMAL-FUN
 305     (storew function fdefn fdefn-fun-slot other-pointer-lowtag)
 306     (storew raw fdefn fdefn-raw-addr-slot other-pointer-lowtag)
 307     (move result function)))
 308
 309 (define-vop (fdefn-makunbound)
 310   (:policy :fast-safe)
 311   (:translate fdefn-makunbound)
 312   (:args (fdefn :scs (descriptor-reg) :target result))
 313   (:results (result :scs (descriptor-reg)))
 314   (:generator 38
 315     (storew nil-value fdefn fdefn-fun-slot other-pointer-lowtag)
 316     (storew (make-fixup "undefined_tramp" :foreign)
 317             fdefn fdefn-raw-addr-slot other-pointer-lowtag)
 318     (move result fdefn)))
 319 \f
 320 ;;;; binding and unbinding
 321
 322 ;;; BIND -- Establish VAL as a binding for SYMBOL. Save the old value and
 323 ;;; the symbol on the binding stack and stuff the new value into the
 324 ;;; symbol.
 325
 326 #!+sb-thread
 327 (define-vop (bind)
 328   (:args (val :scs (any-reg descriptor-reg))
 329          (symbol :scs (descriptor-reg)))
 330   (:temporary (:sc unsigned-reg) tls-index bsp)
 331   (:generator 10
 332     (let ((tls-index-valid (gen-label)))
 333       (load-binding-stack-pointer bsp)
 334       (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
 335       (inst add bsp (* binding-size n-word-bytes))
 336       (store-binding-stack-pointer bsp)
 337       (inst or tls-index tls-index)
 338       (inst jmp :ne tls-index-valid)
 339       (inst mov tls-index symbol)
 340       (inst lea temp-reg-tn
 341             (make-ea :qword :disp
 342                      (make-fixup (ecase (tn-offset tls-index)
 343                                    (#.rax-offset 'alloc-tls-index-in-rax)
 344                                    (#.rcx-offset 'alloc-tls-index-in-rcx)
 345                                    (#.rdx-offset 'alloc-tls-index-in-rdx)
 346                                    (#.rbx-offset 'alloc-tls-index-in-rbx)
 347                                    (#.rsi-offset 'alloc-tls-index-in-rsi)
 348                                    (#.rdi-offset 'alloc-tls-index-in-rdi)
 349                                    (#.r8-offset  'alloc-tls-index-in-r8)
 350                                    (#.r9-offset  'alloc-tls-index-in-r9)
 351                                    (#.r10-offset 'alloc-tls-index-in-r10)
 352                                    (#.r12-offset 'alloc-tls-index-in-r12)
 353                                    (#.r13-offset 'alloc-tls-index-in-r13)
 354                                    (#.r14-offset 'alloc-tls-index-in-r14)
 355                                    (#.r15-offset 'alloc-tls-index-in-r15))
 356                                  :assembly-routine)))
 357       (inst call temp-reg-tn)
 358       (emit-label tls-index-valid)
 359       (inst push (make-ea :qword :base thread-base-tn :scale 1 :index tls-index))
 360       (popw bsp (- binding-value-slot binding-size))
 361       (storew symbol bsp (- binding-symbol-slot binding-size))
 362       (inst mov (make-ea :qword :base thread-base-tn :scale 1 :index tls-index)
 363             val))))
 364
 365 #!-sb-thread
 366 (define-vop (bind)
 367   (:args (val :scs (any-reg descriptor-reg))
 368          (symbol :scs (descriptor-reg)))
 369   (:temporary (:sc unsigned-reg) temp bsp)
 370   (:generator 5
 371     (load-symbol-value bsp *binding-stack-pointer*)
 372     (loadw temp symbol symbol-value-slot other-pointer-lowtag)
 373     (inst add bsp (* binding-size n-word-bytes))
 374     (store-symbol-value bsp *binding-stack-pointer*)
 375     (storew temp bsp (- binding-value-slot binding-size))
 376     (storew symbol bsp (- binding-symbol-slot binding-size))
 377     (storew val symbol symbol-value-slot other-pointer-lowtag)))
 378
 379 #!+sb-thread
 380 (define-vop (unbind)
 381   (:temporary (:sc unsigned-reg) temp bsp tls-index)
 382   (:generator 0
 383     (load-binding-stack-pointer bsp)
 384     ;; Load SYMBOL from stack, and get the TLS-INDEX
 385     (loadw temp bsp (- binding-symbol-slot binding-size))
 386     (loadw tls-index temp symbol-tls-index-slot other-pointer-lowtag)
 387     ;; Load VALUE from stack, the restore it to the TLS area.
 388     (loadw temp bsp (- binding-value-slot binding-size))
 389     (inst mov (make-ea :qword :base thread-base-tn :scale 1 :index tls-index)
 390           temp)
 391     ;; Zero out the stack.
 392     (storew 0 bsp (- binding-symbol-slot binding-size))
 393     (storew 0 bsp (- binding-value-slot binding-size))
 394     (inst sub bsp (* binding-size n-word-bytes))
 395     (store-binding-stack-pointer bsp)))
 396
 397 #!-sb-thread
 398 (define-vop (unbind)
 399   (:temporary (:sc unsigned-reg) symbol value bsp)
 400   (:generator 0
 401     (load-symbol-value bsp *binding-stack-pointer*)
 402     (loadw symbol bsp (- binding-symbol-slot binding-size))
 403     (loadw value bsp (- binding-value-slot binding-size))
 404     (storew value symbol symbol-value-slot other-pointer-lowtag)
 405     (storew 0 bsp (- binding-symbol-slot binding-size))
 406     (storew 0 bsp (- binding-value-slot binding-size))
 407     (inst sub bsp (* binding-size n-word-bytes))
 408     (store-symbol-value bsp *binding-stack-pointer*)))
 409
 410 (define-vop (unbind-to-here)
 411   (:args (where :scs (descriptor-reg any-reg)))
 412   (:temporary (:sc unsigned-reg) symbol value bsp #!+sb-thread tls-index)
 413   (:generator 0
 414     (load-binding-stack-pointer bsp)
 415     (inst cmp where bsp)
 416     (inst jmp :e DONE)
 417
 418     LOOP
 419     (loadw symbol bsp (- binding-symbol-slot binding-size))
 420     (inst or symbol symbol)
 421     (inst jmp :z SKIP)
 422     ;; Bind stack debug sentinels have the unbound marker in the symbol slot
 423     (inst cmp symbol unbound-marker-widetag)
 424     (inst jmp :eq SKIP)
 425     (loadw value bsp (- binding-value-slot binding-size))
 426     #!-sb-thread
 427     (storew value symbol symbol-value-slot other-pointer-lowtag)
 428     #!+sb-thread
 429     (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
 430     #!+sb-thread
 431     (inst mov (make-ea :qword :base thread-base-tn :scale 1 :index tls-index)
 432           value)
 433     (storew 0 bsp (- binding-symbol-slot binding-size))
 434
 435     SKIP
 436     (storew 0 bsp (- binding-value-slot binding-size))
 437     (inst sub bsp (* binding-size n-word-bytes))
 438     (inst cmp where bsp)
 439     (inst jmp :ne LOOP)
 440     (store-binding-stack-pointer bsp)
 441
 442     DONE))
 443
 444 (define-vop (bind-sentinel)
 445   (:temporary (:sc unsigned-reg) bsp)
 446   (:generator 1
 447      (load-binding-stack-pointer bsp)
 448      (inst add bsp (* binding-size n-word-bytes))
 449      (storew unbound-marker-widetag bsp (- binding-symbol-slot binding-size))
 450      (storew rbp-tn bsp (- binding-value-slot binding-size))
 451      (store-binding-stack-pointer bsp)))
 452
 453 (define-vop (unbind-sentinel)
 454   (:temporary (:sc unsigned-reg) bsp)
 455   (:generator 1
 456      (load-binding-stack-pointer bsp)
 457      (storew 0 bsp (- binding-value-slot binding-size))
 458      (storew 0 bsp (- binding-symbol-slot binding-size))
 459      (inst sub bsp (* binding-size n-word-bytes))
 460      (store-binding-stack-pointer bsp)))
 461
 462 \f
 463
 464 \f
 465 ;;;; closure indexing
 466
 467 (define-full-reffer closure-index-ref *
 468   closure-info-offset fun-pointer-lowtag
 469   (any-reg descriptor-reg) * %closure-index-ref)
 470
 471 (define-full-setter set-funcallable-instance-info *
 472   funcallable-instance-info-offset fun-pointer-lowtag
 473   (any-reg descriptor-reg) * %set-funcallable-instance-info)
 474
 475 (define-full-reffer funcallable-instance-info *
 476   funcallable-instance-info-offset fun-pointer-lowtag
 477   (descriptor-reg any-reg) * %funcallable-instance-info)
 478
 479 (define-vop (closure-ref slot-ref)
 480   (:variant closure-info-offset fun-pointer-lowtag))
 481
 482 (define-vop (closure-init slot-set)
 483   (:variant closure-info-offset fun-pointer-lowtag))
 484 \f
 485 ;;;; value cell hackery
 486
 487 (define-vop (value-cell-ref cell-ref)
 488   (:variant value-cell-value-slot other-pointer-lowtag))
 489
 490 (define-vop (value-cell-set cell-set)
 491   (:variant value-cell-value-slot other-pointer-lowtag))
 492 \f
 493 ;;;; structure hackery
 494
 495 (define-vop (instance-length)
 496   (:policy :fast-safe)
 497   (:translate %instance-length)
 498   (:args (struct :scs (descriptor-reg)))
 499   (:results (res :scs (unsigned-reg)))
 500   (:result-types positive-fixnum)
 501   (:generator 4
 502     (loadw res struct 0 instance-pointer-lowtag)
 503     (inst shr res n-widetag-bits)))
 504
 505 (define-full-reffer instance-index-ref * instance-slots-offset
 506   instance-pointer-lowtag (any-reg descriptor-reg) * %instance-ref)
 507
 508 (define-full-setter instance-index-set * instance-slots-offset
 509   instance-pointer-lowtag (any-reg descriptor-reg) * %instance-set)
 510
 511 (define-full-compare-and-swap %compare-and-swap-instance-ref instance
 512   instance-slots-offset instance-pointer-lowtag
 513   (any-reg descriptor-reg) *
 514   %compare-and-swap-instance-ref)
 515 \f
 516 ;;;; code object frobbing
 517
 518 (define-full-reffer code-header-ref * 0 other-pointer-lowtag
 519   (any-reg descriptor-reg) * code-header-ref)
 520
 521 (define-full-setter code-header-set * 0 other-pointer-lowtag
 522   (any-reg descriptor-reg) * code-header-set)
 523 \f
 524 ;;;; raw instance slot accessors
 525
 526 (defun make-ea-for-raw-slot (object index instance-length
 527                              &optional (adjustment 0))
 528   (etypecase index
 529     (tn
 530      (make-ea :qword :base object :index instance-length
 531               :disp (+ (* (1- instance-slots-offset) n-word-bytes)
 532                        (- instance-pointer-lowtag)
 533                        adjustment)))
 534     (integer
 535      (make-ea :qword :base object :index instance-length
 536               :scale 8
 537               :disp (+ (* (1- instance-slots-offset) n-word-bytes)
 538                        (- instance-pointer-lowtag)
 539                        adjustment
 540                        (- (fixnumize index)))))))
 541
 542 (define-vop (raw-instance-ref/word)
 543   (:translate %raw-instance-ref/word)
 544   (:policy :fast-safe)
 545   (:args (object :scs (descriptor-reg)) (index :scs (any-reg)))
 546   (:arg-types * tagged-num)
 547   (:temporary (:sc unsigned-reg) tmp)
 548   (:results (value :scs (unsigned-reg)))
 549   (:result-types unsigned-num)
 550   (:generator 5
 551     (loadw tmp object 0 instance-pointer-lowtag)
 552     (inst shr tmp n-widetag-bits)
 553     (inst shl tmp 3)
 554     (inst sub tmp index)
 555     (inst mov value (make-ea-for-raw-slot object index tmp))))
 556
 557 (define-vop (raw-instance-ref-c/word)
 558   (:translate %raw-instance-ref/word)
 559   (:policy :fast-safe)
 560   (:args (object :scs (descriptor-reg)))
 561   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 562                                              #.instance-pointer-lowtag
 563                                              #.instance-slots-offset)))
 564   (:info index)
 565   (:temporary (:sc unsigned-reg) tmp)
 566   (:results (value :scs (unsigned-reg)))
 567   (:result-types unsigned-num)
 568   (:generator 4
 569     (loadw tmp object 0 instance-pointer-lowtag)
 570     (inst shr tmp n-widetag-bits)
 571     (inst mov value (make-ea-for-raw-slot object index tmp))))
 572
 573 (define-vop (raw-instance-set/word)
 574   (:translate %raw-instance-set/word)
 575   (:policy :fast-safe)
 576   (:args (object :scs (descriptor-reg))
 577          (index :scs (any-reg))
 578          (value :scs (unsigned-reg) :target result))
 579   (:arg-types * tagged-num unsigned-num)
 580   (:temporary (:sc unsigned-reg) tmp)
 581   (:results (result :scs (unsigned-reg)))
 582   (:result-types unsigned-num)
 583   (:generator 5
 584     (loadw tmp object 0 instance-pointer-lowtag)
 585     (inst shr tmp n-widetag-bits)
 586     (inst shl tmp 3)
 587     (inst sub tmp index)
 588     (inst mov (make-ea-for-raw-slot object index tmp) value)
 589     (move result value)))
 590
 591 (define-vop (raw-instance-set-c/word)
 592   (:translate %raw-instance-set/word)
 593   (:policy :fast-safe)
 594   (:args (object :scs (descriptor-reg))
 595          (value :scs (unsigned-reg) :target result))
 596   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 597                                              #.instance-pointer-lowtag
 598                                              #.instance-slots-offset))
 599               unsigned-num)
 600   (:info index)
 601   (:temporary (:sc unsigned-reg) tmp)
 602   (:results (result :scs (unsigned-reg)))
 603   (:result-types unsigned-num)
 604   (:generator 4
 605     (loadw tmp object 0 instance-pointer-lowtag)
 606     (inst shr tmp n-widetag-bits)
 607     (inst mov (make-ea-for-raw-slot object index tmp) value)
 608     (move result value)))
 609
 610 (define-vop (raw-instance-init/word)
 611   (:args (object :scs (descriptor-reg))
 612          (value :scs (unsigned-reg)))
 613   (:arg-types * unsigned-num)
 614   (:info index)
 615   (:temporary (:sc unsigned-reg) tmp)
 616   (:generator 4
 617     (loadw tmp object 0 instance-pointer-lowtag)
 618     (inst shr tmp n-widetag-bits)
 619     (inst mov (make-ea-for-raw-slot object index tmp) value)))
 620
 621 (define-vop (raw-instance-ref/single)
 622   (:translate %raw-instance-ref/single)
 623   (:policy :fast-safe)
 624   (:args (object :scs (descriptor-reg))
 625          (index :scs (any-reg)))
 626   (:arg-types * positive-fixnum)
 627   (:temporary (:sc unsigned-reg) tmp)
 628   (:results (value :scs (single-reg)))
 629   (:result-types single-float)
 630   (:generator 5
 631     (loadw tmp object 0 instance-pointer-lowtag)
 632     (inst shr tmp n-widetag-bits)
 633     (inst shl tmp 3)
 634     (inst sub tmp index)
 635     (inst movss value (make-ea-for-raw-slot object index tmp))))
 636
 637 (define-vop (raw-instance-ref-c/single)
 638   (:translate %raw-instance-ref/single)
 639   (:policy :fast-safe)
 640   (:args (object :scs (descriptor-reg)))
 641   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 642                                              #.instance-pointer-lowtag
 643                                              #.instance-slots-offset)))
 644   (:info index)
 645   (:temporary (:sc unsigned-reg) tmp)
 646   (:results (value :scs (single-reg)))
 647   (:result-types single-float)
 648   (:generator 4
 649     (loadw tmp object 0 instance-pointer-lowtag)
 650     (inst shr tmp n-widetag-bits)
 651     (inst movss value (make-ea-for-raw-slot object index tmp))))
 652
 653 (define-vop (raw-instance-set/single)
 654   (:translate %raw-instance-set/single)
 655   (:policy :fast-safe)
 656   (:args (object :scs (descriptor-reg))
 657          (index :scs (any-reg))
 658          (value :scs (single-reg) :target result))
 659   (:arg-types * positive-fixnum single-float)
 660   (:temporary (:sc unsigned-reg) tmp)
 661   (:results (result :scs (single-reg)))
 662   (:result-types single-float)
 663   (:generator 5
 664     (loadw tmp object 0 instance-pointer-lowtag)
 665     (inst shr tmp n-widetag-bits)
 666     (inst shl tmp 3)
 667     (inst sub tmp index)
 668     (inst movss (make-ea-for-raw-slot object index tmp) value)
 669    (unless (location= result value)
 670      (inst movss result value))))
 671
 672 (define-vop (raw-instance-set-c/single)
 673   (:translate %raw-instance-set/single)
 674   (:policy :fast-safe)
 675   (:args (object :scs (descriptor-reg))
 676          (value :scs (single-reg) :target result))
 677   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 678                                              #.instance-pointer-lowtag
 679                                              #.instance-slots-offset))
 680               single-float)
 681   (:info index)
 682   (:temporary (:sc unsigned-reg) tmp)
 683   (:results (result :scs (single-reg)))
 684   (:result-types single-float)
 685   (:generator 4
 686     (loadw tmp object 0 instance-pointer-lowtag)
 687     (inst shr tmp n-widetag-bits)
 688     (inst movss (make-ea-for-raw-slot object index tmp) value)
 689    (unless (location= result value)
 690      (inst movss result value))))
 691
 692 (define-vop (raw-instance-init/single)
 693   (:translate %raw-instance-set/single)
 694   (:policy :fast-safe)
 695   (:args (object :scs (descriptor-reg))
 696          (value :scs (single-reg)))
 697   (:arg-types * single-float)
 698   (:info index)
 699   (:temporary (:sc unsigned-reg) tmp)
 700   (:generator 4
 701     (loadw tmp object 0 instance-pointer-lowtag)
 702     (inst shr tmp n-widetag-bits)
 703     (inst movss (make-ea-for-raw-slot object index tmp) value)))
 704
 705 (define-vop (raw-instance-ref/double)
 706   (:translate %raw-instance-ref/double)
 707   (:policy :fast-safe)
 708   (:args (object :scs (descriptor-reg))
 709          (index :scs (any-reg)))
 710   (:arg-types * positive-fixnum)
 711   (:temporary (:sc unsigned-reg) tmp)
 712   (:results (value :scs (double-reg)))
 713   (:result-types double-float)
 714   (:generator 5
 715     (loadw tmp object 0 instance-pointer-lowtag)
 716     (inst shr tmp n-widetag-bits)
 717     (inst shl tmp 3)
 718     (inst sub tmp index)
 719     (inst movsd value (make-ea-for-raw-slot object index tmp))))
 720
 721 (define-vop (raw-instance-ref-c/double)
 722   (:translate %raw-instance-ref/double)
 723   (:policy :fast-safe)
 724   (:args (object :scs (descriptor-reg)))
 725   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 726                                              #.instance-pointer-lowtag
 727                                              #.instance-slots-offset)))
 728   (:info index)
 729   (:temporary (:sc unsigned-reg) tmp)
 730   (:results (value :scs (double-reg)))
 731   (:result-types double-float)
 732   (:generator 4
 733     (loadw tmp object 0 instance-pointer-lowtag)
 734     (inst shr tmp n-widetag-bits)
 735     (inst movsd value (make-ea-for-raw-slot object index tmp))))
 736
 737 (define-vop (raw-instance-set/double)
 738   (:translate %raw-instance-set/double)
 739   (:policy :fast-safe)
 740   (:args (object :scs (descriptor-reg))
 741          (index :scs (any-reg))
 742          (value :scs (double-reg) :target result))
 743   (:arg-types * positive-fixnum double-float)
 744   (:temporary (:sc unsigned-reg) tmp)
 745   (:results (result :scs (double-reg)))
 746   (:result-types double-float)
 747   (:generator 5
 748     (loadw tmp object 0 instance-pointer-lowtag)
 749     (inst shr tmp n-widetag-bits)
 750     (inst shl tmp 3)
 751     (inst sub tmp index)
 752     (inst movsd (make-ea-for-raw-slot object index tmp) value)
 753    (unless (location= result value)
 754      (inst movsd result value))))
 755
 756 (define-vop (raw-instance-set-c/double)
 757   (:translate %raw-instance-set/double)
 758   (:policy :fast-safe)
 759   (:args (object :scs (descriptor-reg))
 760          (value :scs (double-reg) :target result))
 761   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 762                                              #.instance-pointer-lowtag
 763                                              #.instance-slots-offset))
 764               double-float)
 765   (:info index)
 766   (:temporary (:sc unsigned-reg) tmp)
 767   (:results (result :scs (double-reg)))
 768   (:result-types double-float)
 769   (:generator 4
 770     (loadw tmp object 0 instance-pointer-lowtag)
 771     (inst shr tmp n-widetag-bits)
 772     (inst movsd (make-ea-for-raw-slot object index tmp) value)
 773    (unless (location= result value)
 774      (inst movsd result value))))
 775
 776 (define-vop (raw-instance-init/double)
 777   (:args (object :scs (descriptor-reg))
 778          (value :scs (double-reg)))
 779   (:arg-types * double-float)
 780   (:info index)
 781   (:temporary (:sc unsigned-reg) tmp)
 782   (:generator 4
 783     (loadw tmp object 0 instance-pointer-lowtag)
 784     (inst shr tmp n-widetag-bits)
 785     (inst movsd (make-ea-for-raw-slot object index tmp) value)))
 786
 787 (define-vop (raw-instance-ref/complex-single)
 788   (:translate %raw-instance-ref/complex-single)
 789   (:policy :fast-safe)
 790   (:args (object :scs (descriptor-reg))
 791          (index :scs (any-reg)))
 792   (:arg-types * positive-fixnum)
 793   (:temporary (:sc unsigned-reg) tmp)
 794   (:results (value :scs (complex-single-reg)))
 795   (:result-types complex-single-float)
 796   (:generator 5
 797     (loadw tmp object 0 instance-pointer-lowtag)
 798     (inst shr tmp n-widetag-bits)
 799     (inst shl tmp 3)
 800     (inst sub tmp index)
 801     (let ((real-tn (complex-single-reg-real-tn value)))
 802       (inst movss real-tn (make-ea-for-raw-slot object index tmp)))
 803     (let ((imag-tn (complex-single-reg-imag-tn value)))
 804       (inst movss imag-tn (make-ea-for-raw-slot object index tmp 4)))))
 805
 806 (define-vop (raw-instance-ref-c/complex-single)
 807   (:translate %raw-instance-ref/complex-single)
 808   (:policy :fast-safe)
 809   (:args (object :scs (descriptor-reg)))
 810   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 811                                              #.instance-pointer-lowtag
 812                                              #.instance-slots-offset)))
 813   (:info index)
 814   (:temporary (:sc unsigned-reg) tmp)
 815   (:results (value :scs (complex-single-reg)))
 816   (:result-types complex-single-float)
 817   (:generator 4
 818     (loadw tmp object 0 instance-pointer-lowtag)
 819     (inst shr tmp n-widetag-bits)
 820     (let ((real-tn (complex-single-reg-real-tn value)))
 821       (inst movss real-tn (make-ea-for-raw-slot object index tmp)))
 822     (let ((imag-tn (complex-single-reg-imag-tn value)))
 823       (inst movss imag-tn (make-ea-for-raw-slot object index tmp 4)))))
 824
 825 (define-vop (raw-instance-set/complex-single)
 826   (:translate %raw-instance-set/complex-single)
 827   (:policy :fast-safe)
 828   (:args (object :scs (descriptor-reg))
 829          (index :scs (any-reg))
 830          (value :scs (complex-single-reg) :target result))
 831   (:arg-types * positive-fixnum complex-single-float)
 832   (:temporary (:sc unsigned-reg) tmp)
 833   (:results (result :scs (complex-single-reg)))
 834   (:result-types complex-single-float)
 835   (:generator 5
 836     (loadw tmp object 0 instance-pointer-lowtag)
 837     (inst shr tmp n-widetag-bits)
 838     (inst shl tmp 3)
 839     (inst sub tmp index)
 840     (let ((value-real (complex-single-reg-real-tn value))
 841           (result-real (complex-single-reg-real-tn result)))
 842       (inst movss (make-ea-for-raw-slot object index tmp) value-real)
 843       (unless (location= value-real result-real)
 844         (inst movss result-real value-real)))
 845     (let ((value-imag (complex-single-reg-imag-tn value))
 846           (result-imag (complex-single-reg-imag-tn result)))
 847       (inst movss (make-ea-for-raw-slot object index tmp 4) value-imag)
 848       (unless (location= value-imag result-imag)
 849         (inst movss result-imag value-imag)))))
 850
 851 (define-vop (raw-instance-set-c/complex-single)
 852   (:translate %raw-instance-set/complex-single)
 853   (:policy :fast-safe)
 854   (:args (object :scs (descriptor-reg))
 855          (value :scs (complex-single-reg) :target result))
 856   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 857                                              #.instance-pointer-lowtag
 858                                              #.instance-slots-offset))
 859               complex-single-float)
 860   (:info index)
 861   (:temporary (:sc unsigned-reg) tmp)
 862   (:results (result :scs (complex-single-reg)))
 863   (:result-types complex-single-float)
 864   (:generator 4
 865     (loadw tmp object 0 instance-pointer-lowtag)
 866     (inst shr tmp n-widetag-bits)
 867     (let ((value-real (complex-single-reg-real-tn value))
 868           (result-real (complex-single-reg-real-tn result)))
 869       (inst movss (make-ea-for-raw-slot object index tmp) value-real)
 870       (unless (location= value-real result-real)
 871         (inst movss result-real value-real)))
 872     (let ((value-imag (complex-single-reg-imag-tn value))
 873           (result-imag (complex-single-reg-imag-tn result)))
 874       (inst movss (make-ea-for-raw-slot object index tmp 4) value-imag)
 875       (unless (location= value-imag result-imag)
 876         (inst movss result-imag value-imag)))))
 877
 878 (define-vop (raw-instance-init/complex-single)
 879   (:args (object :scs (descriptor-reg))
 880          (value :scs (complex-single-reg)))
 881   (:arg-types * complex-single-float)
 882   (:info index)
 883   (:temporary (:sc unsigned-reg) tmp)
 884   (:generator 4
 885     (loadw tmp object 0 instance-pointer-lowtag)
 886     (inst shr tmp n-widetag-bits)
 887     (let ((value-real (complex-single-reg-real-tn value)))
 888       (inst movss (make-ea-for-raw-slot object index tmp) value-real))
 889     (let ((value-imag (complex-single-reg-imag-tn value)))
 890       (inst movss (make-ea-for-raw-slot object index tmp 4) value-imag))))
 891
 892 (define-vop (raw-instance-ref/complex-double)
 893   (:translate %raw-instance-ref/complex-double)
 894   (:policy :fast-safe)
 895   (:args (object :scs (descriptor-reg))
 896          (index :scs (any-reg)))
 897   (:arg-types * positive-fixnum)
 898   (:temporary (:sc unsigned-reg) tmp)
 899   (:results (value :scs (complex-double-reg)))
 900   (:result-types complex-double-float)
 901   (:generator 5
 902     (loadw tmp object 0 instance-pointer-lowtag)
 903     (inst shr tmp n-widetag-bits)
 904     (inst shl tmp 3)
 905     (inst sub tmp index)
 906     (let ((real-tn (complex-double-reg-real-tn value)))
 907       (inst movsd real-tn (make-ea-for-raw-slot object index tmp -8)))
 908     (let ((imag-tn (complex-double-reg-imag-tn value)))
 909       (inst movsd imag-tn (make-ea-for-raw-slot object index tmp)))))
 910
 911 (define-vop (raw-instance-ref-c/complex-double)
 912   (:translate %raw-instance-ref/complex-double)
 913   (:policy :fast-safe)
 914   (:args (object :scs (descriptor-reg)))
 915   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 916                                              #.instance-pointer-lowtag
 917                                              #.instance-slots-offset)))
 918   (:info index)
 919   (:temporary (:sc unsigned-reg) tmp)
 920   (:results (value :scs (complex-double-reg)))
 921   (:result-types complex-double-float)
 922   (:generator 4
 923     (loadw tmp object 0 instance-pointer-lowtag)
 924     (inst shr tmp n-widetag-bits)
 925     (let ((real-tn (complex-double-reg-real-tn value)))
 926       (inst movsd real-tn (make-ea-for-raw-slot object index tmp -8)))
 927     (let ((imag-tn (complex-double-reg-imag-tn value)))
 928       (inst movsd imag-tn (make-ea-for-raw-slot object index tmp)))))
 929
 930 (define-vop (raw-instance-set/complex-double)
 931   (:translate %raw-instance-set/complex-double)
 932   (:policy :fast-safe)
 933   (:args (object :scs (descriptor-reg))
 934          (index :scs (any-reg))
 935          (value :scs (complex-double-reg) :target result))
 936   (:arg-types * positive-fixnum complex-double-float)
 937   (:temporary (:sc unsigned-reg) tmp)
 938   (:results (result :scs (complex-double-reg)))
 939   (:result-types complex-double-float)
 940   (:generator 5
 941     (loadw tmp object 0 instance-pointer-lowtag)
 942     (inst shr tmp n-widetag-bits)
 943     (inst shl tmp 3)
 944     (inst sub tmp index)
 945     (let ((value-real (complex-double-reg-real-tn value))
 946           (result-real (complex-double-reg-real-tn result)))
 947       (inst movsd (make-ea-for-raw-slot object index tmp -8) value-real)
 948       (unless (location= value-real result-real)
 949         (inst movsd result-real value-real)))
 950     (let ((value-imag (complex-double-reg-imag-tn value))
 951           (result-imag (complex-double-reg-imag-tn result)))
 952       (inst movsd (make-ea-for-raw-slot object index tmp) value-imag)
 953       (unless (location= value-imag result-imag)
 954         (inst movsd result-imag value-imag)))))
 955
 956 (define-vop (raw-instance-set-c/complex-double)
 957   (:translate %raw-instance-set/complex-double)
 958   (:policy :fast-safe)
 959   (:args (object :scs (descriptor-reg))
 960          (value :scs (complex-double-reg) :target result))
 961   (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
 962                                              #.instance-pointer-lowtag
 963                                              #.instance-slots-offset))
 964               complex-double-float)
 965   (:info index)
 966   (:temporary (:sc unsigned-reg) tmp)
 967   (:results (result :scs (complex-double-reg)))
 968   (:result-types complex-double-float)
 969   (:generator 4
 970     (loadw tmp object 0 instance-pointer-lowtag)
 971     (inst shr tmp n-widetag-bits)
 972     (let ((value-real (complex-double-reg-real-tn value))
 973           (result-real (complex-double-reg-real-tn result)))
 974       (inst movsd (make-ea-for-raw-slot object index tmp -8) value-real)
 975       (unless (location= value-real result-real)
 976         (inst movsd result-real value-real)))
 977     (let ((value-imag (complex-double-reg-imag-tn value))
 978           (result-imag (complex-double-reg-imag-tn result)))
 979       (inst movsd (make-ea-for-raw-slot object index tmp) value-imag)
 980       (unless (location= value-imag result-imag)
 981         (inst movsd result-imag value-imag)))))
 982
 983 (define-vop (raw-instance-init/complex-double)
 984   (:args (object :scs (descriptor-reg))
 985          (value :scs (complex-double-reg)))
 986   (:arg-types * complex-double-float)
 987   (:info index)
 988   (:temporary (:sc unsigned-reg) tmp)
 989   (:generator 4
 990     (loadw tmp object 0 instance-pointer-lowtag)
 991     (inst shr tmp n-widetag-bits)
 992     (let ((value-real (complex-double-reg-real-tn value)))
 993       (inst movsd (make-ea-for-raw-slot object index tmp -8) value-real))
 994     (let ((value-imag (complex-double-reg-imag-tn value)))
 995       (inst movsd (make-ea-for-raw-slot object index tmp) value-imag))))