1 ;;;; various primitive memory access VOPs for the x86 VM
3 ;;;; This software is part of the SBCL system. See the README file for
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.
14 ;;;; data object ref/set stuff
17 (:args (object :scs (descriptor-reg)))
18 (:info name offset lowtag)
20 (:results (result :scs (descriptor-reg any-reg)))
22 (loadw result object offset lowtag)))
24 (define-vop (set-slot)
25 (:args (object :scs (descriptor-reg))
26 (value :scs (descriptor-reg any-reg immediate)))
27 (:info name offset lowtag)
31 (storew (encode-value-if-immediate value) object offset lowtag)))
33 (define-vop (compare-and-swap-slot)
34 (:args (object :scs (descriptor-reg) :to :eval)
35 (old :scs (descriptor-reg any-reg) :target eax)
36 (new :scs (descriptor-reg any-reg)))
37 (:temporary (:sc descriptor-reg :offset eax-offset
38 :from (:argument 1) :to :result :target result)
40 (:info name offset lowtag)
42 (:results (result :scs (descriptor-reg any-reg)))
45 (inst cmpxchg (make-ea :dword :base object
46 :disp (- (* offset n-word-bytes) lowtag))
50 ;;;; symbol hacking VOPs
52 (define-vop (%compare-and-swap-symbol-value)
53 (:translate %compare-and-swap-symbol-value)
54 (:args (symbol :scs (descriptor-reg) :to (:result 1))
55 (old :scs (descriptor-reg any-reg) :target eax)
56 (new :scs (descriptor-reg any-reg)))
57 (:temporary (:sc descriptor-reg :offset eax-offset) eax)
59 (:temporary (:sc descriptor-reg) tls)
60 (:results (result :scs (descriptor-reg any-reg)))
64 ;; This code has to pathological cases: NO-TLS-VALUE-MARKER
65 ;; or UNBOUND-MARKER as NEW: in either case we would end up
66 ;; doing possible damage with CMPXCHG -- so don't do that!
67 (let ((unbound (generate-error-code vop 'unbound-symbol-error symbol))
72 (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
73 ;; Thread-local area, no LOCK needed.
74 (inst cmpxchg (make-ea :dword :base tls) new :fs)
75 (inst cmp eax no-tls-value-marker-widetag)
78 (inst cmpxchg (make-ea :dword :base symbol
79 :disp (- (* symbol-value-slot n-word-bytes)
80 other-pointer-lowtag))
84 (inst cmp result unbound-marker-widetag)
85 (inst jmp :e unbound))))
87 (define-vop (%set-symbol-global-value cell-set)
88 (:variant symbol-value-slot other-pointer-lowtag))
90 (define-vop (fast-symbol-global-value cell-ref)
91 (:variant symbol-value-slot other-pointer-lowtag)
93 (:translate symbol-global-value))
95 (define-vop (symbol-global-value)
97 (:translate symbol-global-value)
98 (:args (object :scs (descriptor-reg) :to (:result 1)))
99 (:results (value :scs (descriptor-reg any-reg)))
101 (:save-p :compute-only)
103 (let ((err-lab (generate-error-code vop 'unbound-symbol-error object)))
104 (loadw value object symbol-value-slot other-pointer-lowtag)
105 (inst cmp value unbound-marker-widetag)
106 (inst jmp :e err-lab))))
111 (:args (symbol :scs (descriptor-reg))
112 (value :scs (descriptor-reg any-reg)))
113 (:temporary (:sc descriptor-reg) tls)
115 (let ((global-val (gen-label))
117 (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
118 (inst cmp (make-ea :dword :base tls) no-tls-value-marker-widetag :fs)
119 (inst jmp :z global-val)
120 (inst mov (make-ea :dword :base tls) value :fs)
122 (emit-label global-val)
123 (storew value symbol symbol-value-slot other-pointer-lowtag)
126 ;; With Symbol-Value, we check that the value isn't the trap object. So
127 ;; Symbol-Value of NIL is NIL.
128 (define-vop (symbol-value)
129 (:translate symbol-value)
131 (:args (object :scs (descriptor-reg) :to (:result 1)))
132 (:results (value :scs (descriptor-reg any-reg)))
134 (:save-p :compute-only)
136 (let* ((check-unbound-label (gen-label))
137 (err-lab (generate-error-code vop 'unbound-symbol-error object))
138 (ret-lab (gen-label)))
139 (loadw value object symbol-tls-index-slot other-pointer-lowtag)
140 (inst mov value (make-ea :dword :base value) :fs)
141 (inst cmp value no-tls-value-marker-widetag)
142 (inst jmp :ne check-unbound-label)
143 (loadw value object symbol-value-slot other-pointer-lowtag)
144 (emit-label check-unbound-label)
145 (inst cmp value unbound-marker-widetag)
146 (inst jmp :e err-lab)
147 (emit-label ret-lab))))
149 (define-vop (fast-symbol-value symbol-value)
150 ;; KLUDGE: not really fast, in fact, because we're going to have to
151 ;; do a full lookup of the thread-local area anyway. But half of
152 ;; the meaning of FAST-SYMBOL-VALUE is "do not signal an error if
153 ;; unbound", which is used in the implementation of COPY-SYMBOL. --
156 (:translate symbol-value)
158 (let ((ret-lab (gen-label)))
159 (loadw value object symbol-tls-index-slot other-pointer-lowtag)
160 (inst mov value (make-ea :dword :base value) :fs)
161 (inst cmp value no-tls-value-marker-widetag)
162 (inst jmp :ne ret-lab)
163 (loadw value object symbol-value-slot other-pointer-lowtag)
164 (emit-label ret-lab)))))
168 (define-vop (symbol-value symbol-global-value)
169 (:translate symbol-value))
170 (define-vop (fast-symbol-value fast-symbol-global-value)
171 (:translate symbol-value))
172 (define-vop (set %set-symbol-global-value)))
178 (:args (object :scs (descriptor-reg)))
180 (:temporary (:sc descriptor-reg #+nil(:from (:argument 0))) value)
182 (let ((check-unbound-label (gen-label)))
183 (loadw value object symbol-tls-index-slot other-pointer-lowtag)
184 (inst mov value (make-ea :dword :base value) :fs)
185 (inst cmp value no-tls-value-marker-widetag)
186 (inst jmp :ne check-unbound-label)
187 (loadw value object symbol-value-slot other-pointer-lowtag)
188 (emit-label check-unbound-label)
189 (inst cmp value unbound-marker-widetag))))
195 (:args (object :scs (descriptor-reg)))
198 (inst cmp (make-ea-for-object-slot object symbol-value-slot
199 other-pointer-lowtag)
200 unbound-marker-widetag)))
203 (define-vop (symbol-hash)
205 (:translate symbol-hash)
206 (:args (symbol :scs (descriptor-reg)))
207 (:results (res :scs (any-reg)))
208 (:result-types positive-fixnum)
210 ;; The symbol-hash slot of NIL holds NIL because it is also the
211 ;; cdr slot, so we have to strip off the two low bits to make sure
212 ;; it is a fixnum. The lowtag selection magic that is required to
213 ;; ensure this is explained in the comment in objdef.lisp
214 (loadw res symbol symbol-hash-slot other-pointer-lowtag)
215 (inst and res (lognot #b11))))
217 ;;;; fdefinition (FDEFN) objects
219 (define-vop (fdefn-fun cell-ref) ; /pfw - alpha
220 (:variant fdefn-fun-slot other-pointer-lowtag))
222 (define-vop (safe-fdefn-fun)
223 (:args (object :scs (descriptor-reg) :to (:result 1)))
224 (:results (value :scs (descriptor-reg any-reg)))
226 (:save-p :compute-only)
228 (loadw value object fdefn-fun-slot other-pointer-lowtag)
229 (inst cmp value nil-value)
230 (let ((err-lab (generate-error-code vop 'undefined-fun-error object)))
231 (inst jmp :e err-lab))))
233 (define-vop (set-fdefn-fun)
235 (:translate (setf fdefn-fun))
236 (:args (function :scs (descriptor-reg) :target result)
237 (fdefn :scs (descriptor-reg)))
238 (:temporary (:sc unsigned-reg) raw)
239 (:temporary (:sc byte-reg) type)
240 (:results (result :scs (descriptor-reg)))
242 (load-type type function (- fun-pointer-lowtag))
244 (make-ea-for-object-slot function simple-fun-code-offset
246 (inst cmp type simple-fun-header-widetag)
247 (inst jmp :e normal-fn)
248 (inst lea raw (make-fixup "closure_tramp" :foreign))
250 (storew function fdefn fdefn-fun-slot other-pointer-lowtag)
251 (storew raw fdefn fdefn-raw-addr-slot other-pointer-lowtag)
252 (move result function)))
254 (define-vop (fdefn-makunbound)
256 (:translate fdefn-makunbound)
257 (:args (fdefn :scs (descriptor-reg) :target result))
258 (:results (result :scs (descriptor-reg)))
260 (storew nil-value fdefn fdefn-fun-slot other-pointer-lowtag)
261 (storew (make-fixup "undefined_tramp" :foreign)
262 fdefn fdefn-raw-addr-slot other-pointer-lowtag)
263 (move result fdefn)))
265 ;;;; binding and unbinding
267 ;;; BIND -- Establish VAL as a binding for SYMBOL. Save the old value and
268 ;;; the symbol on the binding stack and stuff the new value into the
271 ;;; FIXME: Split into DYNBIND and BIND: DYNBIND needs to ensure
272 ;;; TLS-INDEX, whereas BIND should assume it is already in place. Make
273 ;;; LET &co compile into BIND, and PROGV into DYNBIND, plus ensure
274 ;;; TLS-INDEX at compile-time, and make loader and dumper preserve
275 ;;; the existence of a TLS-INDEX.
278 (:args (val :scs (any-reg descriptor-reg))
279 (symbol :scs (descriptor-reg)))
280 (:temporary (:sc unsigned-reg) tls-index bsp)
282 (let ((tls-index-valid (gen-label)))
283 (load-binding-stack-pointer bsp)
284 (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
285 (inst add bsp (* binding-size n-word-bytes))
286 (store-binding-stack-pointer bsp)
287 (inst or tls-index tls-index)
288 (inst jmp :ne tls-index-valid)
289 (inst mov tls-index symbol)
290 (inst call (make-fixup
291 (ecase (tn-offset tls-index)
292 (#.eax-offset 'alloc-tls-index-in-eax)
293 (#.ebx-offset 'alloc-tls-index-in-ebx)
294 (#.ecx-offset 'alloc-tls-index-in-ecx)
295 (#.edx-offset 'alloc-tls-index-in-edx)
296 (#.edi-offset 'alloc-tls-index-in-edi)
297 (#.esi-offset 'alloc-tls-index-in-esi))
299 (emit-label tls-index-valid)
300 (inst push (make-ea :dword :base tls-index) :fs)
301 (popw bsp (- binding-value-slot binding-size))
302 (storew symbol bsp (- binding-symbol-slot binding-size))
303 (inst mov (make-ea :dword :base tls-index) val :fs))))
307 (:args (val :scs (any-reg descriptor-reg))
308 (symbol :scs (descriptor-reg)))
309 (:temporary (:sc unsigned-reg) temp bsp)
311 (load-symbol-value bsp *binding-stack-pointer*)
312 (loadw temp symbol symbol-value-slot other-pointer-lowtag)
313 (inst add bsp (* binding-size n-word-bytes))
314 (store-symbol-value bsp *binding-stack-pointer*)
315 (storew temp bsp (- binding-value-slot binding-size))
316 (storew symbol bsp (- binding-symbol-slot binding-size))
317 (storew val symbol symbol-value-slot other-pointer-lowtag)))
321 (:temporary (:sc unsigned-reg) temp bsp tls-index)
323 (load-binding-stack-pointer bsp)
324 ;; Load SYMBOL from stack, and get the TLS-INDEX.
325 (loadw temp bsp (- binding-symbol-slot binding-size))
326 (loadw tls-index temp symbol-tls-index-slot other-pointer-lowtag)
327 ;; Load VALUE from stack, then restore it to the TLS area.
328 (loadw temp bsp (- binding-value-slot binding-size))
329 (inst mov (make-ea :dword :base tls-index) temp :fs)
330 ;; Zero out the stack.
331 (storew 0 bsp (- binding-symbol-slot binding-size))
332 (storew 0 bsp (- binding-value-slot binding-size))
333 (inst sub bsp (* binding-size n-word-bytes))
334 (store-binding-stack-pointer bsp)))
338 (:temporary (:sc unsigned-reg) symbol value bsp)
340 (load-symbol-value bsp *binding-stack-pointer*)
341 (loadw symbol bsp (- binding-symbol-slot binding-size))
342 (loadw value bsp (- binding-value-slot binding-size))
343 (storew value symbol symbol-value-slot other-pointer-lowtag)
344 (storew 0 bsp (- binding-symbol-slot binding-size))
345 (storew 0 bsp (- binding-value-slot binding-size))
346 (inst sub bsp (* binding-size n-word-bytes))
347 (store-symbol-value bsp *binding-stack-pointer*)))
350 (define-vop (unbind-to-here)
351 (:args (where :scs (descriptor-reg any-reg)))
352 (:temporary (:sc unsigned-reg) symbol value bsp #!+sb-thread tls-index)
354 (load-binding-stack-pointer bsp)
359 (loadw symbol bsp (- binding-symbol-slot binding-size))
360 (inst or symbol symbol)
362 ;; Bind stack debug sentinels have the unbound marker in the symbol slot
363 (inst cmp symbol unbound-marker-widetag)
365 (loadw value bsp (- binding-value-slot binding-size))
366 #!-sb-thread (storew value symbol symbol-value-slot other-pointer-lowtag)
369 tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
370 #!+sb-thread (inst mov (make-ea :dword :base tls-index) value :fs)
371 (storew 0 bsp (- binding-symbol-slot binding-size))
374 (storew 0 bsp (- binding-value-slot binding-size))
375 (inst sub bsp (* binding-size n-word-bytes))
378 (store-binding-stack-pointer bsp)
382 (define-vop (bind-sentinel)
383 (:temporary (:sc unsigned-reg) bsp)
385 (load-binding-stack-pointer bsp)
386 (inst add bsp (* binding-size n-word-bytes))
387 (storew unbound-marker-widetag bsp (- binding-symbol-slot binding-size))
388 (storew ebp-tn bsp (- binding-value-slot binding-size))
389 (store-binding-stack-pointer bsp)))
391 (define-vop (unbind-sentinel)
392 (:temporary (:sc unsigned-reg) bsp)
394 (load-binding-stack-pointer bsp)
395 (storew 0 bsp (- binding-value-slot binding-size))
396 (storew 0 bsp (- binding-symbol-slot binding-size))
397 (inst sub bsp (* binding-size n-word-bytes))
398 (store-binding-stack-pointer bsp)))
402 ;;;; closure indexing
404 (define-full-reffer closure-index-ref *
405 closure-info-offset fun-pointer-lowtag
406 (any-reg descriptor-reg) * %closure-index-ref)
408 (define-full-setter set-funcallable-instance-info *
409 funcallable-instance-info-offset fun-pointer-lowtag
410 (any-reg descriptor-reg) * %set-funcallable-instance-info)
412 (define-full-reffer funcallable-instance-info *
413 funcallable-instance-info-offset fun-pointer-lowtag
414 (descriptor-reg any-reg) * %funcallable-instance-info)
416 (define-vop (closure-ref slot-ref)
417 (:variant closure-info-offset fun-pointer-lowtag))
419 (define-vop (closure-init slot-set)
420 (:variant closure-info-offset fun-pointer-lowtag))
422 (define-vop (closure-init-from-fp)
423 (:args (object :scs (descriptor-reg)))
426 (storew ebp-tn object (+ closure-info-offset offset) fun-pointer-lowtag)))
428 ;;;; value cell hackery
430 (define-vop (value-cell-ref cell-ref)
431 (:variant value-cell-value-slot other-pointer-lowtag))
433 (define-vop (value-cell-set cell-set)
434 (:variant value-cell-value-slot other-pointer-lowtag))
436 ;;;; structure hackery
438 (define-vop (instance-length)
440 (:translate %instance-length)
441 (:args (struct :scs (descriptor-reg)))
442 (:results (res :scs (unsigned-reg)))
443 (:result-types positive-fixnum)
445 (loadw res struct 0 instance-pointer-lowtag)
446 (inst shr res n-widetag-bits)))
448 (define-full-reffer instance-index-ref *
449 instance-slots-offset instance-pointer-lowtag
450 (any-reg descriptor-reg) *
453 (define-full-setter instance-index-set *
454 instance-slots-offset instance-pointer-lowtag
455 (any-reg descriptor-reg) *
458 (define-full-compare-and-swap %compare-and-swap-instance-ref instance
459 instance-slots-offset instance-pointer-lowtag
460 (any-reg descriptor-reg) *
461 %compare-and-swap-instance-ref)
463 ;;;; code object frobbing
465 (define-full-reffer code-header-ref * 0 other-pointer-lowtag
466 (any-reg descriptor-reg) * code-header-ref)
468 (define-full-setter code-header-set * 0 other-pointer-lowtag
469 (any-reg descriptor-reg) * code-header-set)
471 ;;;; raw instance slot accessors
473 (defun make-ea-for-raw-slot (object index instance-length n-words)
474 (if (integerp instance-length)
475 ;; For RAW-INSTANCE-INIT/* VOPs, which know the exact instance length
479 :disp (- (* (- instance-length instance-slots-offset index (1- n-words))
481 instance-pointer-lowtag))
482 (flet ((make-ea-using-value (value)
483 (make-ea :dword :base object
484 :index instance-length
486 :disp (- (* (- instance-slots-offset n-words)
488 instance-pointer-lowtag
489 (* value n-word-bytes)))))
490 (if (typep index 'tn)
492 (any-reg (make-ea :dword
494 :index instance-length
495 :disp (- (* (- instance-slots-offset n-words)
497 instance-pointer-lowtag)))
498 (immediate (make-ea-using-value (tn-value index))))
499 (make-ea-using-value index)))))
501 (define-vop (raw-instance-ref/word)
502 (:translate %raw-instance-ref/word)
504 (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
505 (:arg-types * tagged-num)
506 (:temporary (:sc unsigned-reg) tmp)
507 (:results (value :scs (unsigned-reg)))
508 (:result-types unsigned-num)
510 (loadw tmp object 0 instance-pointer-lowtag)
511 (inst shr tmp n-widetag-bits)
512 (when (sc-is index any-reg)
513 (inst shl tmp n-fixnum-tag-bits)
514 (inst sub tmp index))
515 (inst mov value (make-ea-for-raw-slot object index tmp 1))))
517 (define-vop (raw-instance-set/word)
518 (:translate %raw-instance-set/word)
520 (:args (object :scs (descriptor-reg))
521 (index :scs (any-reg immediate))
522 (value :scs (unsigned-reg) :target result))
523 (:arg-types * tagged-num unsigned-num)
524 (:temporary (:sc unsigned-reg) tmp)
525 (:results (result :scs (unsigned-reg)))
526 (:result-types unsigned-num)
528 (loadw tmp object 0 instance-pointer-lowtag)
529 (inst shr tmp n-widetag-bits)
530 (when (sc-is index any-reg)
531 (inst shl tmp n-fixnum-tag-bits)
532 (inst sub tmp index))
533 (inst mov (make-ea-for-raw-slot object index tmp 1) value)
534 (move result value)))
536 (define-vop (raw-instance-init/word)
537 (:args (object :scs (descriptor-reg))
538 (value :scs (unsigned-reg)))
539 (:arg-types * unsigned-num)
540 (:info instance-length index)
542 (inst mov (make-ea-for-raw-slot object index instance-length 1) value)))
544 (define-vop (raw-instance-atomic-incf/word)
545 (:translate %raw-instance-atomic-incf/word)
547 (:args (object :scs (descriptor-reg))
548 (index :scs (any-reg immediate))
549 (diff :scs (unsigned-reg) :target result))
550 (:arg-types * tagged-num unsigned-num)
551 (:temporary (:sc unsigned-reg) tmp)
552 (:results (result :scs (unsigned-reg)))
553 (:result-types unsigned-num)
555 (loadw tmp object 0 instance-pointer-lowtag)
556 (inst shr tmp n-widetag-bits)
557 (when (sc-is index any-reg)
558 (inst shl tmp n-fixnum-tag-bits)
559 (inst sub tmp index))
560 (inst xadd (make-ea-for-raw-slot object index tmp 1) diff :lock)
563 (define-vop (raw-instance-ref/single)
564 (:translate %raw-instance-ref/single)
566 (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
567 (:arg-types * tagged-num)
568 (:temporary (:sc unsigned-reg) tmp)
569 (:results (value :scs (single-reg)))
570 (:result-types single-float)
572 (loadw tmp object 0 instance-pointer-lowtag)
573 (inst shr tmp n-widetag-bits)
574 (when (sc-is index any-reg)
575 (inst shl tmp n-fixnum-tag-bits)
576 (inst sub tmp index))
577 (with-empty-tn@fp-top(value)
578 (inst fld (make-ea-for-raw-slot object index tmp 1)))))
580 (define-vop (raw-instance-set/single)
581 (:translate %raw-instance-set/single)
583 (:args (object :scs (descriptor-reg))
584 (index :scs (any-reg immediate))
585 (value :scs (single-reg) :target result))
586 (:arg-types * tagged-num single-float)
587 (:temporary (:sc unsigned-reg) tmp)
588 (:results (result :scs (single-reg)))
589 (:result-types single-float)
591 (loadw tmp object 0 instance-pointer-lowtag)
592 (inst shr tmp n-widetag-bits)
593 (when (sc-is index any-reg)
594 (inst shl tmp n-fixnum-tag-bits)
595 (inst sub tmp index))
596 (unless (zerop (tn-offset value))
598 (inst fst (make-ea-for-raw-slot object index tmp 1))
600 ((zerop (tn-offset value))
601 (unless (zerop (tn-offset result))
603 ((zerop (tn-offset result))
606 (unless (location= value result)
608 (inst fxch value)))))
610 (define-vop (raw-instance-init/single)
611 (:args (object :scs (descriptor-reg))
612 (value :scs (single-reg)))
613 (:arg-types * single-float)
614 (:info instance-length index)
616 (with-tn@fp-top (value)
617 (inst fst (make-ea-for-raw-slot object index instance-length 1)))))
619 (define-vop (raw-instance-ref/double)
620 (:translate %raw-instance-ref/double)
622 (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
623 (:arg-types * tagged-num)
624 (:temporary (:sc unsigned-reg) tmp)
625 (:results (value :scs (double-reg)))
626 (:result-types double-float)
628 (loadw tmp object 0 instance-pointer-lowtag)
629 (inst shr tmp n-widetag-bits)
630 (when (sc-is index any-reg)
631 (inst shl tmp n-fixnum-tag-bits)
632 (inst sub tmp index))
633 (with-empty-tn@fp-top(value)
634 (inst fldd (make-ea-for-raw-slot object index tmp 2)))))
636 (define-vop (raw-instance-set/double)
637 (:translate %raw-instance-set/double)
639 (:args (object :scs (descriptor-reg))
640 (index :scs (any-reg immediate))
641 (value :scs (double-reg) :target result))
642 (:arg-types * tagged-num double-float)
643 (:temporary (:sc unsigned-reg) tmp)
644 (:results (result :scs (double-reg)))
645 (:result-types double-float)
647 (loadw tmp object 0 instance-pointer-lowtag)
648 (inst shr tmp n-widetag-bits)
649 (when (sc-is index any-reg)
650 (inst shl tmp n-fixnum-tag-bits)
651 (inst sub tmp index))
652 (unless (zerop (tn-offset value))
654 (inst fstd (make-ea-for-raw-slot object index tmp 2))
656 ((zerop (tn-offset value))
657 (unless (zerop (tn-offset result))
659 ((zerop (tn-offset result))
662 (unless (location= value result)
664 (inst fxch value)))))
666 (define-vop (raw-instance-init/double)
667 (:args (object :scs (descriptor-reg))
668 (value :scs (double-reg)))
669 (:arg-types * double-float)
670 (:info instance-length index)
672 (with-tn@fp-top (value)
673 (inst fstd (make-ea-for-raw-slot object index instance-length 2)))))
675 (define-vop (raw-instance-ref/complex-single)
676 (:translate %raw-instance-ref/complex-single)
678 (:args (object :scs (descriptor-reg))
679 (index :scs (any-reg immediate)))
680 (:arg-types * positive-fixnum)
681 (:temporary (:sc unsigned-reg) tmp)
682 (:results (value :scs (complex-single-reg)))
683 (:result-types complex-single-float)
685 (loadw tmp object 0 instance-pointer-lowtag)
686 (inst shr tmp n-widetag-bits)
687 (when (sc-is index any-reg)
688 (inst shl tmp n-fixnum-tag-bits)
689 (inst sub tmp index))
690 (let ((real-tn (complex-single-reg-real-tn value)))
691 (with-empty-tn@fp-top (real-tn)
692 (inst fld (make-ea-for-raw-slot object index tmp 2))))
693 (let ((imag-tn (complex-single-reg-imag-tn value)))
694 (with-empty-tn@fp-top (imag-tn)
695 (inst fld (make-ea-for-raw-slot object index tmp 1))))))
697 (define-vop (raw-instance-set/complex-single)
698 (:translate %raw-instance-set/complex-single)
700 (:args (object :scs (descriptor-reg))
701 (index :scs (any-reg immediate))
702 (value :scs (complex-single-reg) :target result))
703 (:arg-types * positive-fixnum complex-single-float)
704 (:temporary (:sc unsigned-reg) tmp)
705 (:results (result :scs (complex-single-reg)))
706 (:result-types complex-single-float)
708 (loadw tmp object 0 instance-pointer-lowtag)
709 (inst shr tmp n-widetag-bits)
710 (when (sc-is index any-reg)
711 (inst shl tmp n-fixnum-tag-bits)
712 (inst sub tmp index))
713 (let ((value-real (complex-single-reg-real-tn value))
714 (result-real (complex-single-reg-real-tn result)))
715 (cond ((zerop (tn-offset value-real))
717 (inst fst (make-ea-for-raw-slot object index tmp 2))
718 (unless (zerop (tn-offset result-real))
719 ;; Value is in ST0 but not result.
720 (inst fst result-real)))
722 ;; Value is not in ST0.
723 (inst fxch value-real)
724 (inst fst (make-ea-for-raw-slot object index tmp 2))
725 (cond ((zerop (tn-offset result-real))
726 ;; The result is in ST0.
727 (inst fst value-real))
729 ;; Neither value or result are in ST0
730 (unless (location= value-real result-real)
731 (inst fst result-real))
732 (inst fxch value-real))))))
733 (let ((value-imag (complex-single-reg-imag-tn value))
734 (result-imag (complex-single-reg-imag-tn result)))
735 (inst fxch value-imag)
736 (inst fst (make-ea-for-raw-slot object index tmp 1))
737 (unless (location= value-imag result-imag)
738 (inst fst result-imag))
739 (inst fxch value-imag))))
741 (define-vop (raw-instance-init/complex-single)
742 (:args (object :scs (descriptor-reg))
743 (value :scs (complex-single-reg)))
744 (:arg-types * complex-single-float)
745 (:info instance-length index)
747 (let ((value-real (complex-single-reg-real-tn value)))
748 (with-tn@fp-top (value-real)
749 (inst fst (make-ea-for-raw-slot object index instance-length 2))))
750 (let ((value-imag (complex-single-reg-imag-tn value)))
751 (with-tn@fp-top (value-imag)
752 (inst fst (make-ea-for-raw-slot object index instance-length 1))))))
754 (define-vop (raw-instance-ref/complex-double)
755 (:translate %raw-instance-ref/complex-double)
757 (:args (object :scs (descriptor-reg))
758 (index :scs (any-reg immediate)))
759 (:arg-types * positive-fixnum)
760 (:temporary (:sc unsigned-reg) tmp)
761 (:results (value :scs (complex-double-reg)))
762 (:result-types complex-double-float)
764 (loadw tmp object 0 instance-pointer-lowtag)
765 (inst shr tmp n-widetag-bits)
766 (when (sc-is index any-reg)
767 (inst shl tmp n-fixnum-tag-bits)
768 (inst sub tmp index))
769 (let ((real-tn (complex-double-reg-real-tn value)))
770 (with-empty-tn@fp-top (real-tn)
771 (inst fldd (make-ea-for-raw-slot object index tmp 4))))
772 (let ((imag-tn (complex-double-reg-imag-tn value)))
773 (with-empty-tn@fp-top (imag-tn)
774 (inst fldd (make-ea-for-raw-slot object index tmp 2))))))
776 (define-vop (raw-instance-set/complex-double)
777 (:translate %raw-instance-set/complex-double)
779 (:args (object :scs (descriptor-reg))
780 (index :scs (any-reg immediate))
781 (value :scs (complex-double-reg) :target result))
782 (:arg-types * positive-fixnum complex-double-float)
783 (:temporary (:sc unsigned-reg) tmp)
784 (:results (result :scs (complex-double-reg)))
785 (:result-types complex-double-float)
787 (loadw tmp object 0 instance-pointer-lowtag)
788 (inst shr tmp n-widetag-bits)
789 (when (sc-is index any-reg)
790 (inst shl tmp n-fixnum-tag-bits)
791 (inst sub tmp index))
792 (let ((value-real (complex-double-reg-real-tn value))
793 (result-real (complex-double-reg-real-tn result)))
794 (cond ((zerop (tn-offset value-real))
796 (inst fstd (make-ea-for-raw-slot object index tmp 4))
797 (unless (zerop (tn-offset result-real))
798 ;; Value is in ST0 but not result.
799 (inst fstd result-real)))
801 ;; Value is not in ST0.
802 (inst fxch value-real)
803 (inst fstd (make-ea-for-raw-slot object index tmp 4))
804 (cond ((zerop (tn-offset result-real))
805 ;; The result is in ST0.
806 (inst fstd value-real))
808 ;; Neither value or result are in ST0
809 (unless (location= value-real result-real)
810 (inst fstd result-real))
811 (inst fxch value-real))))))
812 (let ((value-imag (complex-double-reg-imag-tn value))
813 (result-imag (complex-double-reg-imag-tn result)))
814 (inst fxch value-imag)
815 (inst fstd (make-ea-for-raw-slot object index tmp 2))
816 (unless (location= value-imag result-imag)
817 (inst fstd result-imag))
818 (inst fxch value-imag))))
820 (define-vop (raw-instance-init/complex-double)
821 (:args (object :scs (descriptor-reg))
822 (value :scs (complex-double-reg)))
823 (:arg-types * complex-double-float)
824 (:info instance-length index)
826 (let ((value-real (complex-double-reg-real-tn value)))
827 (with-tn@fp-top (value-real)
828 (inst fstd (make-ea-for-raw-slot object index instance-length 4))))
829 (let ((value-imag (complex-double-reg-imag-tn value)))
830 (with-tn@fp-top (value-imag)
831 (inst fstd (make-ea-for-raw-slot object index instance-length 2))))))