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 ;;; these next two cf the sparc version, by jrd.
88 ;;; FIXME: Deref this ^ reference.
91 ;;; The compiler likes to be able to directly SET symbols.
94 (:args (symbol :scs (descriptor-reg))
95 (value :scs (descriptor-reg any-reg)))
96 (:temporary (:sc descriptor-reg) tls)
97 ;;(:policy :fast-safe)
99 (let ((global-val (gen-label))
101 (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag)
102 (inst cmp (make-ea :dword :base tls) no-tls-value-marker-widetag :fs)
103 (inst jmp :z global-val)
104 (inst mov (make-ea :dword :base tls) value :fs)
106 (emit-label global-val)
107 (storew value symbol symbol-value-slot other-pointer-lowtag)
110 ;; unithreaded it's a lot simpler ...
112 (define-vop (set cell-set)
113 (:variant symbol-value-slot other-pointer-lowtag))
115 ;;; With Symbol-Value, we check that the value isn't the trap object. So
116 ;;; Symbol-Value of NIL is NIL.
118 (define-vop (symbol-value)
119 (:translate symbol-value)
121 (:args (object :scs (descriptor-reg) :to (:result 1)))
122 (:results (value :scs (descriptor-reg any-reg)))
124 (:save-p :compute-only)
126 (let* ((check-unbound-label (gen-label))
127 (err-lab (generate-error-code vop 'unbound-symbol-error object))
128 (ret-lab (gen-label)))
129 (loadw value object symbol-tls-index-slot other-pointer-lowtag)
130 (inst mov value (make-ea :dword :base value) :fs)
131 (inst cmp value no-tls-value-marker-widetag)
132 (inst jmp :ne check-unbound-label)
133 (loadw value object symbol-value-slot other-pointer-lowtag)
134 (emit-label check-unbound-label)
135 (inst cmp value unbound-marker-widetag)
136 (inst jmp :e err-lab)
137 (emit-label ret-lab))))
140 (define-vop (fast-symbol-value symbol-value)
141 ;; KLUDGE: not really fast, in fact, because we're going to have to
142 ;; do a full lookup of the thread-local area anyway. But half of
143 ;; the meaning of FAST-SYMBOL-VALUE is "do not signal an error if
144 ;; unbound", which is used in the implementation of COPY-SYMBOL. --
147 (:translate symbol-value)
149 (let ((ret-lab (gen-label)))
150 (loadw value object symbol-tls-index-slot other-pointer-lowtag)
151 (inst mov value (make-ea :dword :base value) :fs)
152 (inst cmp value no-tls-value-marker-widetag)
153 (inst jmp :ne ret-lab)
154 (loadw value object symbol-value-slot other-pointer-lowtag)
155 (emit-label ret-lab))))
158 (define-vop (symbol-value)
159 (:translate symbol-value)
161 (:args (object :scs (descriptor-reg) :to (:result 1)))
162 (:results (value :scs (descriptor-reg any-reg)))
164 (:save-p :compute-only)
166 (let ((err-lab (generate-error-code vop 'unbound-symbol-error object)))
167 (loadw value object symbol-value-slot other-pointer-lowtag)
168 (inst cmp value unbound-marker-widetag)
169 (inst jmp :e err-lab))))
172 (define-vop (fast-symbol-value cell-ref)
173 (:variant symbol-value-slot other-pointer-lowtag)
175 (:translate symbol-value))
181 (:args (object :scs (descriptor-reg)))
183 (:temporary (:sc descriptor-reg #+nil(:from (:argument 0))) value)
185 (let ((check-unbound-label (gen-label)))
186 (loadw value object symbol-tls-index-slot other-pointer-lowtag)
187 (inst mov value (make-ea :dword :base value) :fs)
188 (inst cmp value no-tls-value-marker-widetag)
189 (inst jmp :ne check-unbound-label)
190 (loadw value object symbol-value-slot other-pointer-lowtag)
191 (emit-label check-unbound-label)
192 (inst cmp value unbound-marker-widetag))))
198 (:args (object :scs (descriptor-reg)))
201 (inst cmp (make-ea-for-object-slot object symbol-value-slot
202 other-pointer-lowtag)
203 unbound-marker-widetag)))
206 (define-vop (symbol-hash)
208 (:translate symbol-hash)
209 (:args (symbol :scs (descriptor-reg)))
210 (:results (res :scs (any-reg)))
211 (:result-types positive-fixnum)
213 ;; The symbol-hash slot of NIL holds NIL because it is also the
214 ;; cdr slot, so we have to strip off the two low bits to make sure
215 ;; it is a fixnum. The lowtag selection magic that is required to
216 ;; ensure this is explained in the comment in objdef.lisp
217 (loadw res symbol symbol-hash-slot other-pointer-lowtag)
218 (inst and res (lognot #b11))))
220 ;;;; fdefinition (FDEFN) objects
222 (define-vop (fdefn-fun cell-ref) ; /pfw - alpha
223 (:variant fdefn-fun-slot other-pointer-lowtag))
225 (define-vop (safe-fdefn-fun)
226 (:args (object :scs (descriptor-reg) :to (:result 1)))
227 (:results (value :scs (descriptor-reg any-reg)))
229 (:save-p :compute-only)
231 (loadw value object fdefn-fun-slot other-pointer-lowtag)
232 (inst cmp value nil-value)
233 (let ((err-lab (generate-error-code vop 'undefined-fun-error object)))
234 (inst jmp :e err-lab))))
236 (define-vop (set-fdefn-fun)
238 (:translate (setf fdefn-fun))
239 (:args (function :scs (descriptor-reg) :target result)
240 (fdefn :scs (descriptor-reg)))
241 (:temporary (:sc unsigned-reg) raw)
242 (:temporary (:sc byte-reg) type)
243 (:results (result :scs (descriptor-reg)))
245 (load-type type function (- fun-pointer-lowtag))
247 (make-ea-for-object-slot function simple-fun-code-offset
249 (inst cmp type simple-fun-header-widetag)
250 (inst jmp :e normal-fn)
251 (inst lea raw (make-fixup "closure_tramp" :foreign))
253 (storew function fdefn fdefn-fun-slot other-pointer-lowtag)
254 (storew raw fdefn fdefn-raw-addr-slot other-pointer-lowtag)
255 (move result function)))
257 (define-vop (fdefn-makunbound)
259 (:translate fdefn-makunbound)
260 (:args (fdefn :scs (descriptor-reg) :target result))
261 (:results (result :scs (descriptor-reg)))
263 (storew nil-value fdefn fdefn-fun-slot other-pointer-lowtag)
264 (storew (make-fixup "undefined_tramp" :foreign)
265 fdefn fdefn-raw-addr-slot other-pointer-lowtag)
266 (move result fdefn)))
268 ;;;; binding and unbinding
270 ;;; BIND -- Establish VAL as a binding for SYMBOL. Save the old value and
271 ;;; the symbol on the binding stack and stuff the new value into the
274 ;;; FIXME: Split into DYNBIND and BIND: DYNBIND needs to ensure
275 ;;; TLS-INDEX, whereas BIND should assume it is already in place. Make
276 ;;; LET &co compile into BIND, and PROGV into DYNBIND, plus ensure
277 ;;; TLS-INDEX at compile-time, and make loader and dumper preserve
278 ;;; the existence of a TLS-INDEX.
281 (:args (val :scs (any-reg descriptor-reg))
282 (symbol :scs (descriptor-reg)))
283 (:temporary (:sc unsigned-reg) tls-index bsp)
285 (let ((tls-index-valid (gen-label)))
286 (load-binding-stack-pointer bsp)
287 (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
288 (inst add bsp (* binding-size n-word-bytes))
289 (store-binding-stack-pointer bsp)
290 (inst or tls-index tls-index)
291 (inst jmp :ne tls-index-valid)
292 (inst mov tls-index symbol)
293 (inst call (make-fixup
294 (ecase (tn-offset tls-index)
295 (#.eax-offset 'alloc-tls-index-in-eax)
296 (#.ebx-offset 'alloc-tls-index-in-ebx)
297 (#.ecx-offset 'alloc-tls-index-in-ecx)
298 (#.edx-offset 'alloc-tls-index-in-edx)
299 (#.edi-offset 'alloc-tls-index-in-edi)
300 (#.esi-offset 'alloc-tls-index-in-esi))
302 (emit-label tls-index-valid)
303 (inst push (make-ea :dword :base tls-index) :fs)
304 (popw bsp (- binding-value-slot binding-size))
305 (storew symbol bsp (- binding-symbol-slot binding-size))
306 (inst mov (make-ea :dword :base tls-index) val :fs))))
310 (:args (val :scs (any-reg descriptor-reg))
311 (symbol :scs (descriptor-reg)))
312 (:temporary (:sc unsigned-reg) temp bsp)
314 (load-symbol-value bsp *binding-stack-pointer*)
315 (loadw temp symbol symbol-value-slot other-pointer-lowtag)
316 (inst add bsp (* binding-size n-word-bytes))
317 (store-symbol-value bsp *binding-stack-pointer*)
318 (storew temp bsp (- binding-value-slot binding-size))
319 (storew symbol bsp (- binding-symbol-slot binding-size))
320 (storew val symbol symbol-value-slot other-pointer-lowtag)))
324 (:temporary (:sc unsigned-reg) temp bsp tls-index)
326 (load-binding-stack-pointer bsp)
327 ;; Load SYMBOL from stack, and get the TLS-INDEX.
328 (loadw temp bsp (- binding-symbol-slot binding-size))
329 (loadw tls-index temp symbol-tls-index-slot other-pointer-lowtag)
330 ;; Load VALUE from stack, then restore it to the TLS area.
331 (loadw temp bsp (- binding-value-slot binding-size))
332 (inst mov (make-ea :dword :base tls-index) temp :fs)
333 ;; Zero out the stack.
334 (storew 0 bsp (- binding-symbol-slot binding-size))
335 (storew 0 bsp (- binding-value-slot binding-size))
336 (inst sub bsp (* binding-size n-word-bytes))
337 (store-binding-stack-pointer bsp)))
341 (:temporary (:sc unsigned-reg) symbol value bsp)
343 (load-symbol-value bsp *binding-stack-pointer*)
344 (loadw symbol bsp (- binding-symbol-slot binding-size))
345 (loadw value bsp (- binding-value-slot binding-size))
346 (storew value symbol symbol-value-slot other-pointer-lowtag)
347 (storew 0 bsp (- binding-symbol-slot binding-size))
348 (storew 0 bsp (- binding-value-slot binding-size))
349 (inst sub bsp (* binding-size n-word-bytes))
350 (store-symbol-value bsp *binding-stack-pointer*)))
353 (define-vop (unbind-to-here)
354 (:args (where :scs (descriptor-reg any-reg)))
355 (:temporary (:sc unsigned-reg) symbol value bsp #!+sb-thread tls-index)
357 (load-binding-stack-pointer bsp)
362 (loadw symbol bsp (- binding-symbol-slot binding-size))
363 (inst or symbol symbol)
365 ;; Bind stack debug sentinels have the unbound marker in the symbol slot
366 (inst cmp symbol unbound-marker-widetag)
368 (loadw value bsp (- binding-value-slot binding-size))
369 #!-sb-thread (storew value symbol symbol-value-slot other-pointer-lowtag)
372 tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
373 #!+sb-thread (inst mov (make-ea :dword :base tls-index) value :fs)
374 (storew 0 bsp (- binding-symbol-slot binding-size))
377 (storew 0 bsp (- binding-value-slot binding-size))
378 (inst sub bsp (* binding-size n-word-bytes))
381 (store-binding-stack-pointer bsp)
385 (define-vop (bind-sentinel)
386 (:temporary (:sc unsigned-reg) bsp)
388 (load-binding-stack-pointer bsp)
389 (inst add bsp (* binding-size n-word-bytes))
390 (storew unbound-marker-widetag bsp (- binding-symbol-slot binding-size))
391 (storew ebp-tn bsp (- binding-value-slot binding-size))
392 (store-binding-stack-pointer bsp)))
394 (define-vop (unbind-sentinel)
395 (:temporary (:sc unsigned-reg) bsp)
397 (load-binding-stack-pointer bsp)
398 (storew 0 bsp (- binding-value-slot binding-size))
399 (storew 0 bsp (- binding-symbol-slot binding-size))
400 (inst sub bsp (* binding-size n-word-bytes))
401 (store-binding-stack-pointer bsp)))
405 ;;;; closure indexing
407 (define-full-reffer closure-index-ref *
408 closure-info-offset fun-pointer-lowtag
409 (any-reg descriptor-reg) * %closure-index-ref)
411 (define-full-setter set-funcallable-instance-info *
412 funcallable-instance-info-offset fun-pointer-lowtag
413 (any-reg descriptor-reg) * %set-funcallable-instance-info)
415 (define-full-reffer funcallable-instance-info *
416 funcallable-instance-info-offset fun-pointer-lowtag
417 (descriptor-reg any-reg) * %funcallable-instance-info)
419 (define-vop (closure-ref slot-ref)
420 (:variant closure-info-offset fun-pointer-lowtag))
422 (define-vop (closure-init slot-set)
423 (:variant closure-info-offset fun-pointer-lowtag))
425 ;;;; value cell hackery
427 (define-vop (value-cell-ref cell-ref)
428 (:variant value-cell-value-slot other-pointer-lowtag))
430 (define-vop (value-cell-set cell-set)
431 (:variant value-cell-value-slot other-pointer-lowtag))
433 ;;;; structure hackery
435 (define-vop (instance-length)
437 (:translate %instance-length)
438 (:args (struct :scs (descriptor-reg)))
439 (:results (res :scs (unsigned-reg)))
440 (:result-types positive-fixnum)
442 (loadw res struct 0 instance-pointer-lowtag)
443 (inst shr res n-widetag-bits)))
445 (define-full-reffer instance-index-ref *
446 instance-slots-offset instance-pointer-lowtag
447 (any-reg descriptor-reg) *
450 (define-full-setter instance-index-set *
451 instance-slots-offset instance-pointer-lowtag
452 (any-reg descriptor-reg) *
455 (define-full-compare-and-swap %compare-and-swap-instance-ref instance
456 instance-slots-offset instance-pointer-lowtag
457 (any-reg descriptor-reg) *
458 %compare-and-swap-instance-ref)
460 ;;;; code object frobbing
462 (define-full-reffer code-header-ref * 0 other-pointer-lowtag
463 (any-reg descriptor-reg) * code-header-ref)
465 (define-full-setter code-header-set * 0 other-pointer-lowtag
466 (any-reg descriptor-reg) * code-header-set)
468 ;;;; raw instance slot accessors
470 (defun make-ea-for-raw-slot (object index instance-length n-words)
471 (if (integerp instance-length)
472 ;; For RAW-INSTANCE-INIT/* VOPs, which know the exact instance length
476 :disp (- (* (- instance-length instance-slots-offset index (1- n-words))
478 instance-pointer-lowtag))
479 (flet ((make-ea-using-value (value)
480 (make-ea :dword :base object
481 :index instance-length
483 :disp (- (* (- instance-slots-offset n-words)
485 instance-pointer-lowtag
486 (* value n-word-bytes)))))
487 (if (typep index 'tn)
489 (any-reg (make-ea :dword
491 :index instance-length
492 :disp (- (* (- instance-slots-offset n-words)
494 instance-pointer-lowtag)))
495 (immediate (make-ea-using-value (tn-value index))))
496 (make-ea-using-value index)))))
498 (define-vop (raw-instance-ref/word)
499 (:translate %raw-instance-ref/word)
501 (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
502 (:arg-types * tagged-num)
503 (:temporary (:sc unsigned-reg) tmp)
504 (:results (value :scs (unsigned-reg)))
505 (:result-types unsigned-num)
507 (loadw tmp object 0 instance-pointer-lowtag)
508 (inst shr tmp n-widetag-bits)
509 (when (sc-is index any-reg)
511 (inst sub tmp index))
512 (inst mov value (make-ea-for-raw-slot object index tmp 1))))
514 (define-vop (raw-instance-set/word)
515 (:translate %raw-instance-set/word)
517 (:args (object :scs (descriptor-reg))
518 (index :scs (any-reg immediate))
519 (value :scs (unsigned-reg) :target result))
520 (:arg-types * tagged-num unsigned-num)
521 (:temporary (:sc unsigned-reg) tmp)
522 (:results (result :scs (unsigned-reg)))
523 (:result-types unsigned-num)
525 (loadw tmp object 0 instance-pointer-lowtag)
526 (inst shr tmp n-widetag-bits)
527 (when (sc-is index any-reg)
529 (inst sub tmp index))
530 (inst mov (make-ea-for-raw-slot object index tmp 1) value)
531 (move result value)))
533 (define-vop (raw-instance-init/word)
534 (:args (object :scs (descriptor-reg))
535 (value :scs (unsigned-reg)))
536 (:arg-types * unsigned-num)
537 (:info instance-length index)
539 (inst mov (make-ea-for-raw-slot object index instance-length 1) value)))
541 (define-vop (raw-instance-atomic-incf/word)
542 (:translate %raw-instance-atomic-incf/word)
544 (:args (object :scs (descriptor-reg))
545 (index :scs (any-reg immediate))
546 (diff :scs (signed-reg) :target result))
547 (:arg-types * tagged-num signed-num)
548 (:temporary (:sc unsigned-reg) tmp)
549 (:results (result :scs (unsigned-reg)))
550 (:result-types unsigned-num)
552 (loadw tmp object 0 instance-pointer-lowtag)
553 (inst shr tmp n-widetag-bits)
554 (when (sc-is index any-reg)
556 (inst sub tmp index))
557 (inst xadd (make-ea-for-raw-slot object index tmp 1) diff :lock)
560 (define-vop (raw-instance-ref/single)
561 (:translate %raw-instance-ref/single)
563 (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
564 (:arg-types * tagged-num)
565 (:temporary (:sc unsigned-reg) tmp)
566 (:results (value :scs (single-reg)))
567 (:result-types single-float)
569 (loadw tmp object 0 instance-pointer-lowtag)
570 (inst shr tmp n-widetag-bits)
571 (when (sc-is index any-reg)
573 (inst sub tmp index))
574 (with-empty-tn@fp-top(value)
575 (inst fld (make-ea-for-raw-slot object index tmp 1)))))
577 (define-vop (raw-instance-set/single)
578 (:translate %raw-instance-set/single)
580 (:args (object :scs (descriptor-reg))
581 (index :scs (any-reg immediate))
582 (value :scs (single-reg) :target result))
583 (:arg-types * tagged-num single-float)
584 (:temporary (:sc unsigned-reg) tmp)
585 (:results (result :scs (single-reg)))
586 (:result-types single-float)
588 (loadw tmp object 0 instance-pointer-lowtag)
589 (inst shr tmp n-widetag-bits)
590 (when (sc-is index any-reg)
592 (inst sub tmp index))
593 (unless (zerop (tn-offset value))
595 (inst fst (make-ea-for-raw-slot object index tmp 1))
597 ((zerop (tn-offset value))
598 (unless (zerop (tn-offset result))
600 ((zerop (tn-offset result))
603 (unless (location= value result)
605 (inst fxch value)))))
607 (define-vop (raw-instance-init/single)
608 (:args (object :scs (descriptor-reg))
609 (value :scs (single-reg)))
610 (:arg-types * single-float)
611 (:info instance-length index)
613 (with-tn@fp-top (value)
614 (inst fst (make-ea-for-raw-slot object index instance-length 1)))))
616 (define-vop (raw-instance-ref/double)
617 (:translate %raw-instance-ref/double)
619 (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate)))
620 (:arg-types * tagged-num)
621 (:temporary (:sc unsigned-reg) tmp)
622 (:results (value :scs (double-reg)))
623 (:result-types double-float)
625 (loadw tmp object 0 instance-pointer-lowtag)
626 (inst shr tmp n-widetag-bits)
627 (when (sc-is index any-reg)
629 (inst sub tmp index))
630 (with-empty-tn@fp-top(value)
631 (inst fldd (make-ea-for-raw-slot object index tmp 2)))))
633 (define-vop (raw-instance-set/double)
634 (:translate %raw-instance-set/double)
636 (:args (object :scs (descriptor-reg))
637 (index :scs (any-reg immediate))
638 (value :scs (double-reg) :target result))
639 (:arg-types * tagged-num double-float)
640 (:temporary (:sc unsigned-reg) tmp)
641 (:results (result :scs (double-reg)))
642 (:result-types double-float)
644 (loadw tmp object 0 instance-pointer-lowtag)
645 (inst shr tmp n-widetag-bits)
646 (when (sc-is index any-reg)
648 (inst sub tmp index))
649 (unless (zerop (tn-offset value))
651 (inst fstd (make-ea-for-raw-slot object index tmp 2))
653 ((zerop (tn-offset value))
654 (unless (zerop (tn-offset result))
656 ((zerop (tn-offset result))
659 (unless (location= value result)
661 (inst fxch value)))))
663 (define-vop (raw-instance-init/double)
664 (:args (object :scs (descriptor-reg))
665 (value :scs (double-reg)))
666 (:arg-types * double-float)
667 (:info instance-length index)
669 (with-tn@fp-top (value)
670 (inst fstd (make-ea-for-raw-slot object index instance-length 2)))))
672 (define-vop (raw-instance-ref/complex-single)
673 (:translate %raw-instance-ref/complex-single)
675 (:args (object :scs (descriptor-reg))
676 (index :scs (any-reg immediate)))
677 (:arg-types * positive-fixnum)
678 (:temporary (:sc unsigned-reg) tmp)
679 (:results (value :scs (complex-single-reg)))
680 (:result-types complex-single-float)
682 (loadw tmp object 0 instance-pointer-lowtag)
683 (inst shr tmp n-widetag-bits)
684 (when (sc-is index any-reg)
686 (inst sub tmp index))
687 (let ((real-tn (complex-single-reg-real-tn value)))
688 (with-empty-tn@fp-top (real-tn)
689 (inst fld (make-ea-for-raw-slot object index tmp 2))))
690 (let ((imag-tn (complex-single-reg-imag-tn value)))
691 (with-empty-tn@fp-top (imag-tn)
692 (inst fld (make-ea-for-raw-slot object index tmp 1))))))
694 (define-vop (raw-instance-set/complex-single)
695 (:translate %raw-instance-set/complex-single)
697 (:args (object :scs (descriptor-reg))
698 (index :scs (any-reg immediate))
699 (value :scs (complex-single-reg) :target result))
700 (:arg-types * positive-fixnum complex-single-float)
701 (:temporary (:sc unsigned-reg) tmp)
702 (:results (result :scs (complex-single-reg)))
703 (:result-types complex-single-float)
705 (loadw tmp object 0 instance-pointer-lowtag)
706 (inst shr tmp n-widetag-bits)
707 (when (sc-is index any-reg)
709 (inst sub tmp index))
710 (let ((value-real (complex-single-reg-real-tn value))
711 (result-real (complex-single-reg-real-tn result)))
712 (cond ((zerop (tn-offset value-real))
714 (inst fst (make-ea-for-raw-slot object index tmp 2))
715 (unless (zerop (tn-offset result-real))
716 ;; Value is in ST0 but not result.
717 (inst fst result-real)))
719 ;; Value is not in ST0.
720 (inst fxch value-real)
721 (inst fst (make-ea-for-raw-slot object index tmp 2))
722 (cond ((zerop (tn-offset result-real))
723 ;; The result is in ST0.
724 (inst fst value-real))
726 ;; Neither value or result are in ST0
727 (unless (location= value-real result-real)
728 (inst fst result-real))
729 (inst fxch value-real))))))
730 (let ((value-imag (complex-single-reg-imag-tn value))
731 (result-imag (complex-single-reg-imag-tn result)))
732 (inst fxch value-imag)
733 (inst fst (make-ea-for-raw-slot object index tmp 1))
734 (unless (location= value-imag result-imag)
735 (inst fst result-imag))
736 (inst fxch value-imag))))
738 (define-vop (raw-instance-init/complex-single)
739 (:args (object :scs (descriptor-reg))
740 (value :scs (complex-single-reg)))
741 (:arg-types * complex-single-float)
742 (:info instance-length index)
744 (let ((value-real (complex-single-reg-real-tn value)))
745 (with-tn@fp-top (value-real)
746 (inst fst (make-ea-for-raw-slot object index instance-length 2))))
747 (let ((value-imag (complex-single-reg-imag-tn value)))
748 (with-tn@fp-top (value-imag)
749 (inst fst (make-ea-for-raw-slot object index instance-length 1))))))
751 (define-vop (raw-instance-ref/complex-double)
752 (:translate %raw-instance-ref/complex-double)
754 (:args (object :scs (descriptor-reg))
755 (index :scs (any-reg immediate)))
756 (:arg-types * positive-fixnum)
757 (:temporary (:sc unsigned-reg) tmp)
758 (:results (value :scs (complex-double-reg)))
759 (:result-types complex-double-float)
761 (loadw tmp object 0 instance-pointer-lowtag)
762 (inst shr tmp n-widetag-bits)
763 (when (sc-is index any-reg)
765 (inst sub tmp index))
766 (let ((real-tn (complex-double-reg-real-tn value)))
767 (with-empty-tn@fp-top (real-tn)
768 (inst fldd (make-ea-for-raw-slot object index tmp 4))))
769 (let ((imag-tn (complex-double-reg-imag-tn value)))
770 (with-empty-tn@fp-top (imag-tn)
771 (inst fldd (make-ea-for-raw-slot object index tmp 2))))))
773 (define-vop (raw-instance-set/complex-double)
774 (:translate %raw-instance-set/complex-double)
776 (:args (object :scs (descriptor-reg))
777 (index :scs (any-reg immediate))
778 (value :scs (complex-double-reg) :target result))
779 (:arg-types * positive-fixnum complex-double-float)
780 (:temporary (:sc unsigned-reg) tmp)
781 (:results (result :scs (complex-double-reg)))
782 (:result-types complex-double-float)
784 (loadw tmp object 0 instance-pointer-lowtag)
785 (inst shr tmp n-widetag-bits)
786 (when (sc-is index any-reg)
788 (inst sub tmp index))
789 (let ((value-real (complex-double-reg-real-tn value))
790 (result-real (complex-double-reg-real-tn result)))
791 (cond ((zerop (tn-offset value-real))
793 (inst fstd (make-ea-for-raw-slot object index tmp 4))
794 (unless (zerop (tn-offset result-real))
795 ;; Value is in ST0 but not result.
796 (inst fstd result-real)))
798 ;; Value is not in ST0.
799 (inst fxch value-real)
800 (inst fstd (make-ea-for-raw-slot object index tmp 4))
801 (cond ((zerop (tn-offset result-real))
802 ;; The result is in ST0.
803 (inst fstd value-real))
805 ;; Neither value or result are in ST0
806 (unless (location= value-real result-real)
807 (inst fstd result-real))
808 (inst fxch value-real))))))
809 (let ((value-imag (complex-double-reg-imag-tn value))
810 (result-imag (complex-double-reg-imag-tn result)))
811 (inst fxch value-imag)
812 (inst fstd (make-ea-for-raw-slot object index tmp 2))
813 (unless (location= value-imag result-imag)
814 (inst fstd result-imag))
815 (inst fxch value-imag))))
817 (define-vop (raw-instance-init/complex-double)
818 (:args (object :scs (descriptor-reg))
819 (value :scs (complex-double-reg)))
820 (:arg-types * complex-double-float)
821 (:info instance-length index)
823 (let ((value-real (complex-double-reg-real-tn value)))
824 (with-tn@fp-top (value-real)
825 (inst fstd (make-ea-for-raw-slot object index instance-length 4))))
826 (let ((value-imag (complex-double-reg-imag-tn value)))
827 (with-tn@fp-top (value-imag)
828 (inst fstd (make-ea-for-raw-slot object index instance-length 2))))))