1 ;;;; that part of the description of the x86 instruction set (for
2 ;;;; 80386 and above) which can live on the cross-compilation host
4 ;;;; This software is part of the SBCL system. See the README file for
7 ;;;; This software is derived from the CMU CL system, which was
8 ;;;; written at Carnegie Mellon University and released into the
9 ;;;; public domain. The software is in the public domain and is
10 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
11 ;;;; files for more information.
14 ;;; FIXME: SB!DISASSEM: prefixes are used so widely in this file that
15 ;;; I wonder whether the separation of the disassembler from the
16 ;;; virtual machine is valid or adds value.
18 ;;; Note: In CMU CL, this used to be a call to SET-DISASSEM-PARAMS.
19 (setf sb
!disassem
:*disassem-inst-alignment-bytes
* 1)
21 (deftype reg
() '(unsigned-byte 3))
23 (def!constant
+default-operand-size
+ :dword
)
25 (eval-when (#-sb-xc
:compile-toplevel
:load-toplevel
:execute
)
27 (defun offset-next (value dstate
)
28 (declare (type integer value
)
29 (type sb
!disassem
:disassem-state dstate
))
30 (+ (sb!disassem
:dstate-next-addr dstate
) value
))
32 (defparameter *default-address-size
*
33 ;; Actually, :DWORD is the only one really supported.
36 (defparameter *byte-reg-names
*
37 #(al cl dl bl ah ch dh bh
))
38 (defparameter *word-reg-names
*
39 #(ax cx dx bx sp bp si di
))
40 (defparameter *dword-reg-names
*
41 #(eax ecx edx ebx esp ebp esi edi
))
42 (defparameter *xmmword-reg-names
*
43 #(xmm0 xmm1 xmm2 xmm3 xmm4 xmm5 xmm6 xmm7
))
45 (defun print-reg-with-width (value width stream dstate
)
46 (declare (ignore dstate
))
47 (princ (aref (ecase width
48 (:byte
*byte-reg-names
*)
49 (:word
*word-reg-names
*)
50 (:dword
*dword-reg-names
*)
51 (:xmmword
*xmmword-reg-names
*))
54 ;; XXX plus should do some source-var notes
57 (defun print-reg (value stream dstate
)
58 (declare (type reg value
)
60 (type sb
!disassem
:disassem-state dstate
))
61 (print-reg-with-width value
62 (sb!disassem
:dstate-get-prop dstate
'width
)
66 (defun print-word-reg (value stream dstate
)
67 (declare (type reg value
)
69 (type sb
!disassem
:disassem-state dstate
))
70 (print-reg-with-width value
71 (or (sb!disassem
:dstate-get-prop dstate
'word-width
)
72 +default-operand-size
+)
76 (defun print-byte-reg (value stream dstate
)
77 (declare (type reg value
)
79 (type sb
!disassem
:disassem-state dstate
))
80 (print-reg-with-width value
:byte stream dstate
))
82 (defun print-addr-reg (value stream dstate
)
83 (declare (type reg value
)
85 (type sb
!disassem
:disassem-state dstate
))
86 (print-reg-with-width value
*default-address-size
* stream dstate
))
88 (defun print-reg/mem
(value stream dstate
)
89 (declare (type (or list reg
) value
)
91 (type sb
!disassem
:disassem-state dstate
))
92 (if (typep value
'reg
)
93 (print-reg value stream dstate
)
94 (print-mem-access value stream nil dstate
)))
96 ;; Same as print-reg/mem, but prints an explicit size indicator for
98 (defun print-sized-reg/mem
(value stream dstate
)
99 (declare (type (or list reg
) value
)
101 (type sb
!disassem
:disassem-state dstate
))
102 (if (typep value
'reg
)
103 (print-reg value stream dstate
)
104 (print-mem-access value stream t dstate
)))
106 (defun print-byte-reg/mem
(value stream dstate
)
107 (declare (type (or list reg
) value
)
109 (type sb
!disassem
:disassem-state dstate
))
110 (if (typep value
'reg
)
111 (print-byte-reg value stream dstate
)
112 (print-mem-access value stream t dstate
)))
114 (defun print-word-reg/mem
(value stream dstate
)
115 (declare (type (or list reg
) value
)
117 (type sb
!disassem
:disassem-state dstate
))
118 (if (typep value
'reg
)
119 (print-word-reg value stream dstate
)
120 (print-mem-access value stream nil dstate
)))
122 (defun print-label (value stream dstate
)
123 (declare (ignore dstate
))
124 (sb!disassem
:princ16 value stream
))
126 ;;; Returns either an integer, meaning a register, or a list of
127 ;;; (BASE-REG OFFSET INDEX-REG INDEX-SCALE), where any component
128 ;;; may be missing or nil to indicate that it's not used or has the
129 ;;; obvious default value (e.g., 1 for the index-scale).
130 (defun prefilter-reg/mem
(value dstate
)
131 (declare (type list value
)
132 (type sb
!disassem
:disassem-state dstate
))
133 (let ((mod (car value
))
135 (declare (type (unsigned-byte 2) mod
)
136 (type (unsigned-byte 3) r
/m
))
142 (let ((sib (sb!disassem
:read-suffix
8 dstate
)))
143 (declare (type (unsigned-byte 8) sib
))
144 (let ((base-reg (ldb (byte 3 0) sib
))
145 (index-reg (ldb (byte 3 3) sib
))
146 (index-scale (ldb (byte 2 6) sib
)))
147 (declare (type (unsigned-byte 3) base-reg index-reg
)
148 (type (unsigned-byte 2) index-scale
))
152 (if (= base-reg
#b101
)
153 (sb!disassem
:read-signed-suffix
32 dstate
)
156 (sb!disassem
:read-signed-suffix
8 dstate
))
158 (sb!disassem
:read-signed-suffix
32 dstate
)))))
159 (list (if (and (= mod
#b00
) (= base-reg
#b101
)) nil base-reg
)
161 (if (= index-reg
#b100
) nil index-reg
)
162 (ash 1 index-scale
))))))
163 ((and (= mod
#b00
) (= r
/m
#b101
))
164 (list nil
(sb!disassem
:read-signed-suffix
32 dstate
)) )
168 (list r
/m
(sb!disassem
:read-signed-suffix
8 dstate
)))
170 (list r
/m
(sb!disassem
:read-signed-suffix
32 dstate
))))))
173 ;;; This is a sort of bogus prefilter that just stores the info globally for
174 ;;; other people to use; it probably never gets printed.
175 (defun prefilter-width (value dstate
)
176 (setf (sb!disassem
:dstate-get-prop dstate
'width
)
180 ;; set by a prefix instruction
181 (or (sb!disassem
:dstate-get-prop dstate
'word-width
)
182 +default-operand-size
+)))
183 (when (not (eql word-width
+default-operand-size
+))
185 (setf (sb!disassem
:dstate-get-prop dstate
'word-width
)
186 +default-operand-size
+))
189 (defun read-address (value dstate
)
190 (declare (ignore value
)) ; always nil anyway
191 (sb!disassem
:read-suffix
(width-bits *default-address-size
*) dstate
))
193 (defun width-bits (width)
205 ;;;; disassembler argument types
207 (sb!disassem
:define-arg-type displacement
209 :use-label
#'offset-next
210 :printer
(lambda (value stream dstate
)
211 (sb!disassem
:maybe-note-assembler-routine value nil dstate
)
212 (print-label value stream dstate
)))
214 (sb!disassem
:define-arg-type accum
215 :printer
(lambda (value stream dstate
)
216 (declare (ignore value
)
218 (type sb
!disassem
:disassem-state dstate
))
219 (print-reg 0 stream dstate
)))
221 (sb!disassem
:define-arg-type word-accum
222 :printer
(lambda (value stream dstate
)
223 (declare (ignore value
)
225 (type sb
!disassem
:disassem-state dstate
))
226 (print-word-reg 0 stream dstate
)))
228 (sb!disassem
:define-arg-type reg
229 :printer
#'print-reg
)
231 (sb!disassem
:define-arg-type addr-reg
232 :printer
#'print-addr-reg
)
234 (sb!disassem
:define-arg-type word-reg
235 :printer
#'print-word-reg
)
237 (sb!disassem
:define-arg-type imm-addr
238 :prefilter
#'read-address
239 :printer
#'print-label
)
241 (sb!disassem
:define-arg-type imm-data
242 :prefilter
(lambda (value dstate
)
243 (declare (ignore value
)) ; always nil anyway
244 (sb!disassem
:read-suffix
245 (width-bits (sb!disassem
:dstate-get-prop dstate
'width
))
248 (sb!disassem
:define-arg-type signed-imm-data
249 :prefilter
(lambda (value dstate
)
250 (declare (ignore value
)) ; always nil anyway
251 (let ((width (sb!disassem
:dstate-get-prop dstate
'width
)))
252 (sb!disassem
:read-signed-suffix
(width-bits width
) dstate
))))
254 (sb!disassem
:define-arg-type signed-imm-byte
255 :prefilter
(lambda (value dstate
)
256 (declare (ignore value
)) ; always nil anyway
257 (sb!disassem
:read-signed-suffix
8 dstate
)))
259 (sb!disassem
:define-arg-type signed-imm-dword
260 :prefilter
(lambda (value dstate
)
261 (declare (ignore value
)) ; always nil anyway
262 (sb!disassem
:read-signed-suffix
32 dstate
)))
264 (sb!disassem
:define-arg-type imm-word
265 :prefilter
(lambda (value dstate
)
266 (declare (ignore value
)) ; always nil anyway
268 (or (sb!disassem
:dstate-get-prop dstate
'word-width
)
269 +default-operand-size
+)))
270 (sb!disassem
:read-suffix
(width-bits width
) dstate
))))
272 (sb!disassem
:define-arg-type signed-imm-word
273 :prefilter
(lambda (value dstate
)
274 (declare (ignore value
)) ; always nil anyway
276 (or (sb!disassem
:dstate-get-prop dstate
'word-width
)
277 +default-operand-size
+)))
278 (sb!disassem
:read-signed-suffix
(width-bits width
) dstate
))))
280 ;;; needed for the ret imm16 instruction
281 (sb!disassem
:define-arg-type imm-word-16
282 :prefilter
(lambda (value dstate
)
283 (declare (ignore value
)) ; always nil anyway
284 (sb!disassem
:read-suffix
16 dstate
)))
286 (sb!disassem
:define-arg-type reg
/mem
287 :prefilter
#'prefilter-reg
/mem
288 :printer
#'print-reg
/mem
)
289 (sb!disassem
:define-arg-type sized-reg
/mem
290 ;; Same as reg/mem, but prints an explicit size indicator for
291 ;; memory references.
292 :prefilter
#'prefilter-reg
/mem
293 :printer
#'print-sized-reg
/mem
)
294 (sb!disassem
:define-arg-type byte-reg
/mem
295 :prefilter
#'prefilter-reg
/mem
296 :printer
#'print-byte-reg
/mem
)
297 (sb!disassem
:define-arg-type word-reg
/mem
298 :prefilter
#'prefilter-reg
/mem
299 :printer
#'print-word-reg
/mem
)
302 (eval-when (#-sb-xc
:compile-toplevel
:load-toplevel
:execute
)
303 (defun print-fp-reg (value stream dstate
)
304 (declare (ignore dstate
))
305 (format stream
"FR~D" value
))
306 (defun prefilter-fp-reg (value dstate
)
308 (declare (ignore dstate
))
311 (sb!disassem
:define-arg-type fp-reg
312 :prefilter
#'prefilter-fp-reg
313 :printer
#'print-fp-reg
)
315 (sb!disassem
:define-arg-type width
316 :prefilter
#'prefilter-width
317 :printer
(lambda (value stream dstate
)
320 (and (numberp value
) (zerop value
))) ; zzz jrd
323 ;; set by a prefix instruction
324 (or (sb!disassem
:dstate-get-prop dstate
'word-width
)
325 +default-operand-size
+)))
326 (princ (schar (symbol-name word-width
) 0) stream
)))))
328 (eval-when (:compile-toplevel
:load-toplevel
:execute
)
329 (defparameter *conditions
*
332 (:b .
2) (:nae .
2) (:c .
2)
333 (:nb .
3) (:ae .
3) (:nc .
3)
334 (:eq .
4) (:e .
4) (:z .
4)
341 (:np .
11) (:po .
11)
342 (:l .
12) (:nge .
12)
343 (:nl .
13) (:ge .
13)
344 (:le .
14) (:ng .
14)
345 (:nle .
15) (:g .
15)))
346 (defparameter *condition-name-vec
*
347 (let ((vec (make-array 16 :initial-element nil
)))
348 (dolist (cond *conditions
*)
349 (when (null (aref vec
(cdr cond
)))
350 (setf (aref vec
(cdr cond
)) (car cond
))))
354 ;;; Set assembler parameters. (In CMU CL, this was done with
355 ;;; a call to a macro DEF-ASSEMBLER-PARAMS.)
356 (eval-when (:compile-toplevel
:load-toplevel
:execute
)
357 (setf sb
!assem
:*assem-scheduler-p
* nil
))
359 (sb!disassem
:define-arg-type condition-code
360 :printer
*condition-name-vec
*)
362 (defun conditional-opcode (condition)
363 (cdr (assoc condition
*conditions
* :test
#'eq
)))
365 ;;;; disassembler instruction formats
367 (eval-when (:compile-toplevel
:execute
)
368 (defun swap-if (direction field1 separator field2
)
369 `(:if
(,direction
:constant
0)
370 (,field1
,separator
,field2
)
371 (,field2
,separator
,field1
))))
373 (sb!disassem
:define-instruction-format
(byte 8 :default-printer
'(:name
))
374 (op :field
(byte 8 0))
379 (sb!disassem
:define-instruction-format
(simple 8)
380 (op :field
(byte 7 1))
381 (width :field
(byte 1 0) :type
'width
)
386 ;;; Same as simple, but with direction bit
387 (sb!disassem
:define-instruction-format
(simple-dir 8 :include
'simple
)
388 (op :field
(byte 6 2))
389 (dir :field
(byte 1 1)))
391 ;;; Same as simple, but with the immediate value occurring by default,
392 ;;; and with an appropiate printer.
393 (sb!disassem
:define-instruction-format
(accum-imm 8
395 :default-printer
'(:name
396 :tab accum
", " imm
))
397 (imm :type
'imm-data
))
399 (sb!disassem
:define-instruction-format
(reg-no-width 8
400 :default-printer
'(:name
:tab reg
))
401 (op :field
(byte 5 3))
402 (reg :field
(byte 3 0) :type
'word-reg
)
404 (accum :type
'word-accum
)
407 ;;; adds a width field to reg-no-width
408 (sb!disassem
:define-instruction-format
(reg 8
409 :default-printer
'(:name
:tab reg
))
410 (op :field
(byte 4 4))
411 (width :field
(byte 1 3) :type
'width
)
412 (reg :field
(byte 3 0) :type
'reg
)
418 ;;; Same as reg, but with direction bit
419 (sb!disassem
:define-instruction-format
(reg-dir 8 :include
'reg
)
420 (op :field
(byte 3 5))
421 (dir :field
(byte 1 4)))
423 (sb!disassem
:define-instruction-format
(two-bytes 16
424 :default-printer
'(:name
))
425 (op :fields
(list (byte 8 0) (byte 8 8))))
427 (sb!disassem
:define-instruction-format
(reg-reg/mem
16
429 `(:name
:tab reg
", " reg
/mem
))
430 (op :field
(byte 7 1))
431 (width :field
(byte 1 0) :type
'width
)
432 (reg/mem
:fields
(list (byte 2 14) (byte 3 8))
434 (reg :field
(byte 3 11) :type
'reg
)
438 ;;; same as reg-reg/mem, but with direction bit
439 (sb!disassem
:define-instruction-format
(reg-reg/mem-dir
16
440 :include
'reg-reg
/mem
444 ,(swap-if 'dir
'reg
/mem
", " 'reg
)))
445 (op :field
(byte 6 2))
446 (dir :field
(byte 1 1)))
448 ;;; Same as reg-rem/mem, but uses the reg field as a second op code.
449 (sb!disassem
:define-instruction-format
(reg/mem
16
450 :default-printer
'(:name
:tab reg
/mem
))
451 (op :fields
(list (byte 7 1) (byte 3 11)))
452 (width :field
(byte 1 0) :type
'width
)
453 (reg/mem
:fields
(list (byte 2 14) (byte 3 8))
454 :type
'sized-reg
/mem
)
458 ;;; Same as reg/mem, but with the immediate value occurring by default,
459 ;;; and with an appropiate printer.
460 (sb!disassem
:define-instruction-format
(reg/mem-imm
16
463 '(:name
:tab reg
/mem
", " imm
))
464 (reg/mem
:type
'sized-reg
/mem
)
465 (imm :type
'imm-data
))
467 ;;; Same as reg/mem, but with using the accumulator in the default printer
468 (sb!disassem
:define-instruction-format
470 :include
'reg
/mem
:default-printer
'(:name
:tab accum
", " reg
/mem
))
471 (reg/mem
:type
'reg
/mem
) ; don't need a size
472 (accum :type
'accum
))
474 ;;; Same as reg-reg/mem, but with a prefix of #b00001111
475 (sb!disassem
:define-instruction-format
(ext-reg-reg/mem
24
477 `(:name
:tab reg
", " reg
/mem
))
478 (prefix :field
(byte 8 0) :value
#b00001111
)
479 (op :field
(byte 7 9))
480 (width :field
(byte 1 8) :type
'width
)
481 (reg/mem
:fields
(list (byte 2 22) (byte 3 16))
483 (reg :field
(byte 3 19) :type
'reg
)
487 ;;; Same as reg/mem, but with a prefix of #b00001111
488 (sb!disassem
:define-instruction-format
(ext-reg/mem
24
489 :default-printer
'(:name
:tab reg
/mem
))
490 (prefix :field
(byte 8 0) :value
#b00001111
)
491 (op :fields
(list (byte 7 9) (byte 3 19)))
492 (width :field
(byte 1 8) :type
'width
)
493 (reg/mem
:fields
(list (byte 2 22) (byte 3 16))
494 :type
'sized-reg
/mem
)
498 (sb!disassem
:define-instruction-format
(ext-reg/mem-imm
24
499 :include
'ext-reg
/mem
501 '(:name
:tab reg
/mem
", " imm
))
502 (imm :type
'imm-data
))
504 ;;;; This section was added by jrd, for fp instructions.
506 ;;; regular fp inst to/from registers/memory
507 (sb!disassem
:define-instruction-format
(floating-point 16
509 `(:name
:tab reg
/mem
))
510 (prefix :field
(byte 5 3) :value
#b11011
)
511 (op :fields
(list (byte 3 0) (byte 3 11)))
512 (reg/mem
:fields
(list (byte 2 14) (byte 3 8)) :type
'reg
/mem
))
514 ;;; fp insn to/from fp reg
515 (sb!disassem
:define-instruction-format
(floating-point-fp 16
516 :default-printer
`(:name
:tab fp-reg
))
517 (prefix :field
(byte 5 3) :value
#b11011
)
518 (suffix :field
(byte 2 14) :value
#b11
)
519 (op :fields
(list (byte 3 0) (byte 3 11)))
520 (fp-reg :field
(byte 3 8) :type
'fp-reg
))
522 ;;; fp insn to/from fp reg, with the reversed source/destination flag.
523 (sb!disassem
:define-instruction-format
524 (floating-point-fp-d 16
525 :default-printer
`(:name
:tab
,(swap-if 'd
"ST0" ", " 'fp-reg
)))
526 (prefix :field
(byte 5 3) :value
#b11011
)
527 (suffix :field
(byte 2 14) :value
#b11
)
528 (op :fields
(list (byte 2 0) (byte 3 11)))
529 (d :field
(byte 1 2))
530 (fp-reg :field
(byte 3 8) :type
'fp-reg
))
533 ;;; (added by (?) pfw)
534 ;;; fp no operand isns
535 (sb!disassem
:define-instruction-format
(floating-point-no 16
536 :default-printer
'(:name
))
537 (prefix :field
(byte 8 0) :value
#b11011001
)
538 (suffix :field
(byte 3 13) :value
#b111
)
539 (op :field
(byte 5 8)))
541 (sb!disassem
:define-instruction-format
(floating-point-3 16
542 :default-printer
'(:name
))
543 (prefix :field
(byte 5 3) :value
#b11011
)
544 (suffix :field
(byte 2 14) :value
#b11
)
545 (op :fields
(list (byte 3 0) (byte 6 8))))
547 (sb!disassem
:define-instruction-format
(floating-point-5 16
548 :default-printer
'(:name
))
549 (prefix :field
(byte 8 0) :value
#b11011011
)
550 (suffix :field
(byte 3 13) :value
#b111
)
551 (op :field
(byte 5 8)))
553 (sb!disassem
:define-instruction-format
(floating-point-st 16
554 :default-printer
'(:name
))
555 (prefix :field
(byte 8 0) :value
#b11011111
)
556 (suffix :field
(byte 3 13) :value
#b111
)
557 (op :field
(byte 5 8)))
559 (sb!disassem
:define-instruction-format
(string-op 8
561 :default-printer
'(:name width
)))
563 (sb!disassem
:define-instruction-format
(short-cond-jump 16)
564 (op :field
(byte 4 4))
565 (cc :field
(byte 4 0) :type
'condition-code
)
566 (label :field
(byte 8 8) :type
'displacement
))
568 (sb!disassem
:define-instruction-format
(short-jump 16
569 :default-printer
'(:name
:tab label
))
570 (const :field
(byte 4 4) :value
#b1110
)
571 (op :field
(byte 4 0))
572 (label :field
(byte 8 8) :type
'displacement
))
574 (sb!disassem
:define-instruction-format
(near-cond-jump 16)
575 (op :fields
(list (byte 8 0) (byte 4 12)) :value
'(#b00001111
#b1000
))
576 (cc :field
(byte 4 8) :type
'condition-code
)
577 ;; The disassembler currently doesn't let you have an instruction > 32 bits
578 ;; long, so we fake it by using a prefilter to read the offset.
579 (label :type
'displacement
580 :prefilter
(lambda (value dstate
)
581 (declare (ignore value
)) ; always nil anyway
582 (sb!disassem
:read-signed-suffix
32 dstate
))))
584 (sb!disassem
:define-instruction-format
(near-jump 8
585 :default-printer
'(:name
:tab label
))
586 (op :field
(byte 8 0))
587 ;; The disassembler currently doesn't let you have an instruction > 32 bits
588 ;; long, so we fake it by using a prefilter to read the address.
589 (label :type
'displacement
590 :prefilter
(lambda (value dstate
)
591 (declare (ignore value
)) ; always nil anyway
592 (sb!disassem
:read-signed-suffix
32 dstate
))))
595 (sb!disassem
:define-instruction-format
(cond-set 24
596 :default-printer
'('set cc
:tab reg
/mem
))
597 (prefix :field
(byte 8 0) :value
#b00001111
)
598 (op :field
(byte 4 12) :value
#b1001
)
599 (cc :field
(byte 4 8) :type
'condition-code
)
600 (reg/mem
:fields
(list (byte 2 22) (byte 3 16))
602 (reg :field
(byte 3 19) :value
#b000
))
604 (sb!disassem
:define-instruction-format
(cond-move 24
606 '('cmov cc
:tab reg
", " reg
/mem
))
607 (prefix :field
(byte 8 0) :value
#b00001111
)
608 (op :field
(byte 4 12) :value
#b0100
)
609 (cc :field
(byte 4 8) :type
'condition-code
)
610 (reg/mem
:fields
(list (byte 2 22) (byte 3 16))
612 (reg :field
(byte 3 19) :type
'reg
))
614 (sb!disassem
:define-instruction-format
(enter-format 32
615 :default-printer
'(:name
617 (:unless
(:constant
0)
619 (op :field
(byte 8 0))
620 (disp :field
(byte 16 8))
621 (level :field
(byte 8 24)))
623 (sb!disassem
:define-instruction-format
(prefetch 24
625 '(:name
", " reg
/mem
))
626 (prefix :field
(byte 8 0) :value
#b00001111
)
627 (op :field
(byte 8 8) :value
#b00011000
)
628 (reg/mem
:fields
(list (byte 2 22) (byte 3 16)) :type
'byte-reg
/mem
)
629 (reg :field
(byte 3 19) :type
'reg
))
631 ;;; Single byte instruction with an immediate byte argument.
632 (sb!disassem
:define-instruction-format
(byte-imm 16
633 :default-printer
'(:name
:tab code
))
634 (op :field
(byte 8 0))
635 (code :field
(byte 8 8)))
637 ;;;; primitive emitters
639 (define-bitfield-emitter emit-word
16
642 (define-bitfield-emitter emit-dword
32
645 (define-bitfield-emitter emit-byte-with-reg
8
646 (byte 5 3) (byte 3 0))
648 (define-bitfield-emitter emit-mod-reg-r
/m-byte
8
649 (byte 2 6) (byte 3 3) (byte 3 0))
651 (define-bitfield-emitter emit-sib-byte
8
652 (byte 2 6) (byte 3 3) (byte 3 0))
656 (defun emit-absolute-fixup (segment fixup
)
657 (note-fixup segment
:absolute fixup
)
658 (let ((offset (fixup-offset fixup
)))
660 (emit-back-patch segment
661 4 ; FIXME: n-word-bytes
662 (lambda (segment posn
)
663 (declare (ignore posn
))
665 (- (+ (component-header-length)
666 (or (label-position offset
)
668 other-pointer-lowtag
))))
669 (emit-dword segment
(or offset
0)))))
671 (defun emit-relative-fixup (segment fixup
)
672 (note-fixup segment
:relative fixup
)
673 (emit-dword segment
(or (fixup-offset fixup
) 0)))
675 ;;;; the effective-address (ea) structure
677 (defun reg-tn-encoding (tn)
678 (declare (type tn tn
))
679 ; (aver (eq (sb-name (sc-sb (tn-sc tn))) 'registers))
680 (let ((offset (tn-offset tn
)))
681 (logior (ash (logand offset
1) 2)
684 (defstruct (ea (:constructor make-ea
(size &key base index scale disp
))
686 (size nil
:type
(member :byte
:word
:dword
:xmmword
))
687 (base nil
:type
(or tn null
))
688 (index nil
:type
(or tn null
))
689 (scale 1 :type
(member 1 2 4 8))
690 (disp 0 :type
(or (unsigned-byte 32) (signed-byte 32) fixup
)))
691 (def!method print-object
((ea ea
) stream
)
692 (cond ((or *print-escape
* *print-readably
*)
693 (print-unreadable-object (ea stream
:type t
)
695 "~S~@[ base=~S~]~@[ index=~S~]~@[ scale=~S~]~@[ disp=~S~]"
699 (let ((scale (ea-scale ea
)))
700 (if (= scale
1) nil scale
))
703 (format stream
"~A PTR [" (symbol-name (ea-size ea
)))
705 (write-string (sb!c
::location-print-name
(ea-base ea
)) stream
)
707 (write-string "+" stream
)))
709 (write-string (sb!c
::location-print-name
(ea-index ea
)) stream
))
710 (unless (= (ea-scale ea
) 1)
711 (format stream
"*~A" (ea-scale ea
)))
712 (typecase (ea-disp ea
)
715 (format stream
"~@D" (ea-disp ea
)))
717 (format stream
"+~A" (ea-disp ea
))))
718 (write-char #\
] stream
))))
720 (defun emit-ea (segment thing reg
&optional allow-constants
)
723 (ecase (sb-name (sc-sb (tn-sc thing
)))
725 (emit-mod-reg-r/m-byte segment
#b11 reg
(reg-tn-encoding thing
)))
727 (emit-mod-reg-r/m-byte segment
#b11 reg
(reg-tn-encoding thing
)))
729 ;; Convert stack tns into an index off of EBP.
730 (let ((disp (- (* (1+ (tn-offset thing
)) n-word-bytes
))))
731 (cond ((< -
128 disp
127)
732 (emit-mod-reg-r/m-byte segment
#b01 reg
#b101
)
733 (emit-byte segment disp
))
735 (emit-mod-reg-r/m-byte segment
#b10 reg
#b101
)
736 (emit-dword segment disp
)))))
738 (unless allow-constants
740 "Constant TNs can only be directly used in MOV, PUSH, and CMP."))
741 (emit-mod-reg-r/m-byte segment
#b00 reg
#b101
)
742 (emit-absolute-fixup segment
745 (- (* (tn-offset thing
) n-word-bytes
)
746 other-pointer-lowtag
))))))
748 (let* ((base (ea-base thing
))
749 (index (ea-index thing
))
750 (scale (ea-scale thing
))
751 (disp (ea-disp thing
))
752 (mod (cond ((or (null base
)
754 (not (= (reg-tn-encoding base
) #b101
))))
756 ((and (fixnump disp
) (<= -
128 disp
127))
760 (r/m
(cond (index #b100
)
762 (t (reg-tn-encoding base
)))))
763 (emit-mod-reg-r/m-byte segment mod reg r
/m
)
765 (let ((ss (1- (integer-length scale
)))
766 (index (if (null index
)
768 (let ((index (reg-tn-encoding index
)))
770 (error "can't index off of ESP")
772 (base (if (null base
)
774 (reg-tn-encoding base
))))
775 (emit-sib-byte segment ss index base
)))
777 (emit-byte segment disp
))
778 ((or (= mod
#b10
) (null base
))
780 (emit-absolute-fixup segment disp
)
781 (emit-dword segment disp
))))))
783 (emit-mod-reg-r/m-byte segment
#b00 reg
#b101
)
784 (emit-absolute-fixup segment thing
))))
786 (defun fp-reg-tn-p (thing)
788 (eq (sb-name (sc-sb (tn-sc thing
))) 'float-registers
)))
790 ;;; like the above, but for fp-instructions--jrd
791 (defun emit-fp-op (segment thing op
)
792 (if (fp-reg-tn-p thing
)
793 (emit-byte segment
(dpb op
(byte 3 3) (dpb (tn-offset thing
)
796 (emit-ea segment thing op
)))
798 (defun byte-reg-p (thing)
800 (eq (sb-name (sc-sb (tn-sc thing
))) 'registers
)
801 (member (sc-name (tn-sc thing
)) *byte-sc-names
*)
804 (defun byte-ea-p (thing)
806 (ea (eq (ea-size thing
) :byte
))
808 (and (member (sc-name (tn-sc thing
)) *byte-sc-names
*) t
))
811 (defun word-reg-p (thing)
813 (eq (sb-name (sc-sb (tn-sc thing
))) 'registers
)
814 (member (sc-name (tn-sc thing
)) *word-sc-names
*)
817 (defun word-ea-p (thing)
819 (ea (eq (ea-size thing
) :word
))
820 (tn (and (member (sc-name (tn-sc thing
)) *word-sc-names
*) t
))
823 (defun dword-reg-p (thing)
825 (eq (sb-name (sc-sb (tn-sc thing
))) 'registers
)
826 (member (sc-name (tn-sc thing
)) *dword-sc-names
*)
829 (defun dword-ea-p (thing)
831 (ea (eq (ea-size thing
) :dword
))
833 (and (member (sc-name (tn-sc thing
)) *dword-sc-names
*) t
))
836 (defun register-p (thing)
838 (eq (sb-name (sc-sb (tn-sc thing
))) 'registers
)))
840 (defun xmm-register-p (thing)
842 (eq (sb-name (sc-sb (tn-sc thing
))) 'xmm-registers
)
843 (member (sc-name (tn-sc thing
)) *xmmword-sc-names
*)
846 (defun xmm-ea-p (thing)
848 (ea (eq (ea-size thing
) :xmmword
))
850 (and (member (sc-name (tn-sc thing
)) *xmmword-sc-names
*) t
))
853 (defun accumulator-p (thing)
854 (and (register-p thing
)
855 (= (tn-offset thing
) 0)))
859 (def!constant
+operand-size-prefix-byte
+ #b01100110
)
861 (defun maybe-emit-operand-size-prefix (segment size
)
862 (unless (or (eq size
:byte
) (eq size
+default-operand-size
+))
863 (emit-byte segment
+operand-size-prefix-byte
+)))
865 (defun operand-size (thing)
868 ;; FIXME: might as well be COND instead of having to use #. readmacro
869 ;; to hack up the code
870 (case (sc-name (tn-sc thing
))
877 ;; added by jrd: float-registers is a separate size (?)
882 (#.
*xmmword-sc-names
*
885 (error "can't tell the size of ~S ~S" thing
(sc-name (tn-sc thing
))))))
891 (defun matching-operand-size (dst src
)
892 (let ((dst-size (operand-size dst
))
893 (src-size (operand-size src
)))
896 (if (eq dst-size src-size
)
898 (error "size mismatch: ~S is a ~S and ~S is a ~S."
899 dst dst-size src src-size
))
903 (error "can't tell the size of either ~S or ~S" dst src
)))))
905 (defun emit-sized-immediate (segment size value
)
908 (emit-byte segment value
))
910 (emit-word segment value
))
912 (emit-dword segment value
))))
914 ;;;; general data transfer
916 (define-instruction mov
(segment dst src
)
917 ;; immediate to register
918 (:printer reg
((op #b1011
) (imm nil
:type
'imm-data
))
919 '(:name
:tab reg
", " imm
))
920 ;; absolute mem to/from accumulator
921 (:printer simple-dir
((op #b101000
) (imm nil
:type
'imm-addr
))
922 `(:name
:tab
,(swap-if 'dir
'accum
", " '("[" imm
"]"))))
923 ;; register to/from register/memory
924 (:printer reg-reg
/mem-dir
((op #b100010
)))
925 ;; immediate to register/memory
926 (:printer reg
/mem-imm
((op '(#b1100011
#b000
))))
929 (let ((size (matching-operand-size dst src
)))
930 (maybe-emit-operand-size-prefix segment size
)
931 (cond ((register-p dst
)
932 (cond ((integerp src
)
933 (emit-byte-with-reg segment
937 (reg-tn-encoding dst
))
938 (emit-sized-immediate segment size src
))
939 ((and (fixup-p src
) (accumulator-p dst
))
944 (emit-absolute-fixup segment src
))
950 (emit-ea segment src
(reg-tn-encoding dst
) t
))))
951 ((and (fixup-p dst
) (accumulator-p src
))
952 (emit-byte segment
(if (eq size
:byte
) #b10100010
#b10100011
))
953 (emit-absolute-fixup segment dst
))
955 (emit-byte segment
(if (eq size
:byte
) #b11000110
#b11000111
))
956 (emit-ea segment dst
#b000
)
957 (emit-sized-immediate segment size src
))
959 (emit-byte segment
(if (eq size
:byte
) #b10001000
#b10001001
))
960 (emit-ea segment dst
(reg-tn-encoding src
)))
962 (aver (eq size
:dword
))
963 (emit-byte segment
#b11000111
)
964 (emit-ea segment dst
#b000
)
965 (emit-absolute-fixup segment src
))
967 (error "bogus arguments to MOV: ~S ~S" dst src
))))))
969 (defun emit-move-with-extension (segment dst src opcode
)
970 (aver (register-p dst
))
971 (let ((dst-size (operand-size dst
))
972 (src-size (operand-size src
)))
975 (aver (eq src-size
:byte
))
976 (maybe-emit-operand-size-prefix segment
:word
)
977 (emit-byte segment
#b00001111
)
978 (emit-byte segment opcode
)
979 (emit-ea segment src
(reg-tn-encoding dst
)))
983 (maybe-emit-operand-size-prefix segment
:dword
)
984 (emit-byte segment
#b00001111
)
985 (emit-byte segment opcode
)
986 (emit-ea segment src
(reg-tn-encoding dst
)))
988 (emit-byte segment
#b00001111
)
989 (emit-byte segment
(logior opcode
1))
990 (emit-ea segment src
(reg-tn-encoding dst
))))))))
992 (define-instruction movsx
(segment dst src
)
993 (:printer ext-reg-reg
/mem
((op #b1011111
) (reg nil
:type
'word-reg
)))
994 (:emitter
(emit-move-with-extension segment dst src
#b10111110
)))
996 (define-instruction movzx
(segment dst src
)
997 (:printer ext-reg-reg
/mem
((op #b1011011
) (reg nil
:type
'word-reg
)))
998 (:emitter
(emit-move-with-extension segment dst src
#b10110110
)))
1000 (define-instruction push
(segment src
)
1002 (:printer reg-no-width
((op #b01010
)))
1004 (:printer reg
/mem
((op '(#b1111111
#b110
)) (width 1)))
1006 (:printer byte
((op #b01101010
) (imm nil
:type
'signed-imm-byte
))
1008 (:printer byte
((op #b01101000
) (imm nil
:type
'imm-word
))
1010 ;; ### segment registers?
1013 (cond ((integerp src
)
1014 (cond ((<= -
128 src
127)
1015 (emit-byte segment
#b01101010
)
1016 (emit-byte segment src
))
1018 (emit-byte segment
#b01101000
)
1019 (emit-dword segment src
))))
1021 ;; Interpret the fixup as an immediate dword to push.
1022 (emit-byte segment
#b01101000
)
1023 (emit-absolute-fixup segment src
))
1025 (let ((size (operand-size src
)))
1026 (aver (not (eq size
:byte
)))
1027 (maybe-emit-operand-size-prefix segment size
)
1028 (cond ((register-p src
)
1029 (emit-byte-with-reg segment
#b01010
(reg-tn-encoding src
)))
1031 (emit-byte segment
#b11111111
)
1032 (emit-ea segment src
#b110 t
))))))))
1034 (define-instruction pusha
(segment)
1035 (:printer byte
((op #b01100000
)))
1037 (emit-byte segment
#b01100000
)))
1039 (define-instruction pop
(segment dst
)
1040 (:printer reg-no-width
((op #b01011
)))
1041 (:printer reg
/mem
((op '(#b1000111
#b000
)) (width 1)))
1043 (let ((size (operand-size dst
)))
1044 (aver (not (eq size
:byte
)))
1045 (maybe-emit-operand-size-prefix segment size
)
1046 (cond ((register-p dst
)
1047 (emit-byte-with-reg segment
#b01011
(reg-tn-encoding dst
)))
1049 (emit-byte segment
#b10001111
)
1050 (emit-ea segment dst
#b000
))))))
1052 (define-instruction popa
(segment)
1053 (:printer byte
((op #b01100001
)))
1055 (emit-byte segment
#b01100001
)))
1057 (define-instruction xchg
(segment operand1 operand2
)
1058 ;; Register with accumulator.
1059 (:printer reg-no-width
((op #b10010
)) '(:name
:tab accum
", " reg
))
1060 ;; Register/Memory with Register.
1061 (:printer reg-reg
/mem
((op #b1000011
)))
1063 (let ((size (matching-operand-size operand1 operand2
)))
1064 (maybe-emit-operand-size-prefix segment size
)
1065 (labels ((xchg-acc-with-something (acc something
)
1066 (if (and (not (eq size
:byte
)) (register-p something
))
1067 (emit-byte-with-reg segment
1069 (reg-tn-encoding something
))
1070 (xchg-reg-with-something acc something
)))
1071 (xchg-reg-with-something (reg something
)
1072 (emit-byte segment
(if (eq size
:byte
) #b10000110
#b10000111
))
1073 (emit-ea segment something
(reg-tn-encoding reg
))))
1074 (cond ((accumulator-p operand1
)
1075 (xchg-acc-with-something operand1 operand2
))
1076 ((accumulator-p operand2
)
1077 (xchg-acc-with-something operand2 operand1
))
1078 ((register-p operand1
)
1079 (xchg-reg-with-something operand1 operand2
))
1080 ((register-p operand2
)
1081 (xchg-reg-with-something operand2 operand1
))
1083 (error "bogus args to XCHG: ~S ~S" operand1 operand2
)))))))
1085 (define-instruction lea
(segment dst src
)
1086 (:printer reg-reg
/mem
((op #b1000110
) (width 1)))
1088 (aver (dword-reg-p dst
))
1089 (emit-byte segment
#b10001101
)
1090 (emit-ea segment src
(reg-tn-encoding dst
))))
1092 (define-instruction cmpxchg
(segment dst src
)
1093 ;; Register/Memory with Register.
1094 (:printer ext-reg-reg
/mem
((op #b1011000
)) '(:name
:tab reg
/mem
", " reg
))
1096 (aver (register-p src
))
1097 (let ((size (matching-operand-size src dst
)))
1098 (maybe-emit-operand-size-prefix segment size
)
1099 (emit-byte segment
#b00001111
)
1100 (emit-byte segment
(if (eq size
:byte
) #b10110000
#b10110001
))
1101 (emit-ea segment dst
(reg-tn-encoding src
)))))
1105 (define-instruction fs-segment-prefix
(segment)
1107 (emit-byte segment
#x64
)))
1109 ;;;; flag control instructions
1111 ;;; CLC -- Clear Carry Flag.
1112 (define-instruction clc
(segment)
1113 (:printer byte
((op #b11111000
)))
1115 (emit-byte segment
#b11111000
)))
1117 ;;; CLD -- Clear Direction Flag.
1118 (define-instruction cld
(segment)
1119 (:printer byte
((op #b11111100
)))
1121 (emit-byte segment
#b11111100
)))
1123 ;;; CLI -- Clear Iterrupt Enable Flag.
1124 (define-instruction cli
(segment)
1125 (:printer byte
((op #b11111010
)))
1127 (emit-byte segment
#b11111010
)))
1129 ;;; CMC -- Complement Carry Flag.
1130 (define-instruction cmc
(segment)
1131 (:printer byte
((op #b11110101
)))
1133 (emit-byte segment
#b11110101
)))
1135 ;;; LAHF -- Load AH into flags.
1136 (define-instruction lahf
(segment)
1137 (:printer byte
((op #b10011111
)))
1139 (emit-byte segment
#b10011111
)))
1141 ;;; POPF -- Pop flags.
1142 (define-instruction popf
(segment)
1143 (:printer byte
((op #b10011101
)))
1145 (emit-byte segment
#b10011101
)))
1147 ;;; PUSHF -- push flags.
1148 (define-instruction pushf
(segment)
1149 (:printer byte
((op #b10011100
)))
1151 (emit-byte segment
#b10011100
)))
1153 ;;; SAHF -- Store AH into flags.
1154 (define-instruction sahf
(segment)
1155 (:printer byte
((op #b10011110
)))
1157 (emit-byte segment
#b10011110
)))
1159 ;;; STC -- Set Carry Flag.
1160 (define-instruction stc
(segment)
1161 (:printer byte
((op #b11111001
)))
1163 (emit-byte segment
#b11111001
)))
1165 ;;; STD -- Set Direction Flag.
1166 (define-instruction std
(segment)
1167 (:printer byte
((op #b11111101
)))
1169 (emit-byte segment
#b11111101
)))
1171 ;;; STI -- Set Interrupt Enable Flag.
1172 (define-instruction sti
(segment)
1173 (:printer byte
((op #b11111011
)))
1175 (emit-byte segment
#b11111011
)))
1179 (defun emit-random-arith-inst (name segment dst src opcode
1180 &optional allow-constants
)
1181 (let ((size (matching-operand-size dst src
)))
1182 (maybe-emit-operand-size-prefix segment size
)
1185 (cond ((and (not (eq size
:byte
)) (<= -
128 src
127))
1186 (emit-byte segment
#b10000011
)
1187 (emit-ea segment dst opcode allow-constants
)
1188 (emit-byte segment src
))
1189 ((accumulator-p dst
)
1196 (emit-sized-immediate segment size src
))
1198 (emit-byte segment
(if (eq size
:byte
) #b10000000
#b10000001
))
1199 (emit-ea segment dst opcode allow-constants
)
1200 (emit-sized-immediate segment size src
))))
1205 (if (eq size
:byte
) #b00000000
#b00000001
)))
1206 (emit-ea segment dst
(reg-tn-encoding src
) allow-constants
))
1211 (if (eq size
:byte
) #b00000010
#b00000011
)))
1212 (emit-ea segment src
(reg-tn-encoding dst
) allow-constants
))
1214 (error "bogus operands to ~A" name
)))))
1216 (eval-when (:compile-toplevel
:execute
)
1217 (defun arith-inst-printer-list (subop)
1218 `((accum-imm ((op ,(dpb subop
(byte 3 2) #b0000010
))))
1219 (reg/mem-imm
((op (#b1000000
,subop
))))
1220 (reg/mem-imm
((op (#b1000001
,subop
))
1221 (imm nil
:type signed-imm-byte
)))
1222 (reg-reg/mem-dir
((op ,(dpb subop
(byte 3 1) #b000000
))))))
1225 (define-instruction add
(segment dst src
)
1226 (:printer-list
(arith-inst-printer-list #b000
))
1227 (:emitter
(emit-random-arith-inst "ADD" segment dst src
#b000
)))
1229 (define-instruction adc
(segment dst src
)
1230 (:printer-list
(arith-inst-printer-list #b010
))
1231 (:emitter
(emit-random-arith-inst "ADC" segment dst src
#b010
)))
1233 (define-instruction sub
(segment dst src
)
1234 (:printer-list
(arith-inst-printer-list #b101
))
1235 (:emitter
(emit-random-arith-inst "SUB" segment dst src
#b101
)))
1237 (define-instruction sbb
(segment dst src
)
1238 (:printer-list
(arith-inst-printer-list #b011
))
1239 (:emitter
(emit-random-arith-inst "SBB" segment dst src
#b011
)))
1241 (define-instruction cmp
(segment dst src
)
1242 (:printer-list
(arith-inst-printer-list #b111
))
1243 (:emitter
(emit-random-arith-inst "CMP" segment dst src
#b111 t
)))
1245 (define-instruction inc
(segment dst
)
1247 (:printer reg-no-width
((op #b01000
)))
1249 (:printer reg
/mem
((op '(#b1111111
#b000
))))
1251 (let ((size (operand-size dst
)))
1252 (maybe-emit-operand-size-prefix segment size
)
1253 (cond ((and (not (eq size
:byte
)) (register-p dst
))
1254 (emit-byte-with-reg segment
#b01000
(reg-tn-encoding dst
)))
1256 (emit-byte segment
(if (eq size
:byte
) #b11111110
#b11111111
))
1257 (emit-ea segment dst
#b000
))))))
1259 (define-instruction dec
(segment dst
)
1261 (:printer reg-no-width
((op #b01001
)))
1263 (:printer reg
/mem
((op '(#b1111111
#b001
))))
1265 (let ((size (operand-size dst
)))
1266 (maybe-emit-operand-size-prefix segment size
)
1267 (cond ((and (not (eq size
:byte
)) (register-p dst
))
1268 (emit-byte-with-reg segment
#b01001
(reg-tn-encoding dst
)))
1270 (emit-byte segment
(if (eq size
:byte
) #b11111110
#b11111111
))
1271 (emit-ea segment dst
#b001
))))))
1273 (define-instruction neg
(segment dst
)
1274 (:printer reg
/mem
((op '(#b1111011
#b011
))))
1276 (let ((size (operand-size dst
)))
1277 (maybe-emit-operand-size-prefix segment size
)
1278 (emit-byte segment
(if (eq size
:byte
) #b11110110
#b11110111
))
1279 (emit-ea segment dst
#b011
))))
1281 (define-instruction aaa
(segment)
1282 (:printer byte
((op #b00110111
)))
1284 (emit-byte segment
#b00110111
)))
1286 (define-instruction aas
(segment)
1287 (:printer byte
((op #b00111111
)))
1289 (emit-byte segment
#b00111111
)))
1291 (define-instruction daa
(segment)
1292 (:printer byte
((op #b00100111
)))
1294 (emit-byte segment
#b00100111
)))
1296 (define-instruction das
(segment)
1297 (:printer byte
((op #b00101111
)))
1299 (emit-byte segment
#b00101111
)))
1301 (define-instruction mul
(segment dst src
)
1302 (:printer accum-reg
/mem
((op '(#b1111011
#b100
))))
1304 (let ((size (matching-operand-size dst src
)))
1305 (aver (accumulator-p dst
))
1306 (maybe-emit-operand-size-prefix segment size
)
1307 (emit-byte segment
(if (eq size
:byte
) #b11110110
#b11110111
))
1308 (emit-ea segment src
#b100
))))
1310 (define-instruction imul
(segment dst
&optional src1 src2
)
1311 (:printer accum-reg
/mem
((op '(#b1111011
#b101
))))
1312 (:printer ext-reg-reg
/mem
((op #b1010111
)))
1313 (:printer reg-reg
/mem
((op #b0110100
) (width 1)
1314 (imm nil
:type
'signed-imm-word
))
1315 '(:name
:tab reg
", " reg
/mem
", " imm
))
1316 (:printer reg-reg
/mem
((op #b0110101
) (width 1)
1317 (imm nil
:type
'signed-imm-byte
))
1318 '(:name
:tab reg
", " reg
/mem
", " imm
))
1320 (flet ((r/m-with-immed-to-reg
(reg r
/m immed
)
1321 (let* ((size (matching-operand-size reg r
/m
))
1322 (sx (and (not (eq size
:byte
)) (<= -
128 immed
127))))
1323 (maybe-emit-operand-size-prefix segment size
)
1324 (emit-byte segment
(if sx
#b01101011
#b01101001
))
1325 (emit-ea segment r
/m
(reg-tn-encoding reg
))
1327 (emit-byte segment immed
)
1328 (emit-sized-immediate segment size immed
)))))
1330 (r/m-with-immed-to-reg dst src1 src2
))
1333 (r/m-with-immed-to-reg dst dst src1
)
1334 (let ((size (matching-operand-size dst src1
)))
1335 (maybe-emit-operand-size-prefix segment size
)
1336 (emit-byte segment
#b00001111
)
1337 (emit-byte segment
#b10101111
)
1338 (emit-ea segment src1
(reg-tn-encoding dst
)))))
1340 (let ((size (operand-size dst
)))
1341 (maybe-emit-operand-size-prefix segment size
)
1342 (emit-byte segment
(if (eq size
:byte
) #b11110110
#b11110111
))
1343 (emit-ea segment dst
#b101
)))))))
1345 (define-instruction div
(segment dst src
)
1346 (:printer accum-reg
/mem
((op '(#b1111011
#b110
))))
1348 (let ((size (matching-operand-size dst src
)))
1349 (aver (accumulator-p dst
))
1350 (maybe-emit-operand-size-prefix segment size
)
1351 (emit-byte segment
(if (eq size
:byte
) #b11110110
#b11110111
))
1352 (emit-ea segment src
#b110
))))
1354 (define-instruction idiv
(segment dst src
)
1355 (:printer accum-reg
/mem
((op '(#b1111011
#b111
))))
1357 (let ((size (matching-operand-size dst src
)))
1358 (aver (accumulator-p dst
))
1359 (maybe-emit-operand-size-prefix segment size
)
1360 (emit-byte segment
(if (eq size
:byte
) #b11110110
#b11110111
))
1361 (emit-ea segment src
#b111
))))
1363 (define-instruction aad
(segment)
1364 (:printer two-bytes
((op '(#b11010101
#b00001010
))))
1366 (emit-byte segment
#b11010101
)
1367 (emit-byte segment
#b00001010
)))
1369 (define-instruction aam
(segment)
1370 (:printer two-bytes
((op '(#b11010100
#b00001010
))))
1372 (emit-byte segment
#b11010100
)
1373 (emit-byte segment
#b00001010
)))
1375 ;;; CBW -- Convert Byte to Word. AX <- sign_xtnd(AL)
1376 (define-instruction cbw
(segment)
1378 (maybe-emit-operand-size-prefix segment
:word
)
1379 (emit-byte segment
#b10011000
)))
1381 ;;; CWDE -- Convert Word To Double Word Extened. EAX <- sign_xtnd(AX)
1382 (define-instruction cwde
(segment)
1384 (maybe-emit-operand-size-prefix segment
:dword
)
1385 (emit-byte segment
#b10011000
)))
1387 ;;; CWD -- Convert Word to Double Word. DX:AX <- sign_xtnd(AX)
1388 (define-instruction cwd
(segment)
1390 (maybe-emit-operand-size-prefix segment
:word
)
1391 (emit-byte segment
#b10011001
)))
1393 ;;; CDQ -- Convert Double Word to Quad Word. EDX:EAX <- sign_xtnd(EAX)
1394 (define-instruction cdq
(segment)
1395 (:printer byte
((op #b10011001
)))
1397 (maybe-emit-operand-size-prefix segment
:dword
)
1398 (emit-byte segment
#b10011001
)))
1400 (define-instruction xadd
(segment dst src
)
1401 ;; Register/Memory with Register.
1402 (:printer ext-reg-reg
/mem
((op #b1100000
)) '(:name
:tab reg
/mem
", " reg
))
1404 (aver (register-p src
))
1405 (let ((size (matching-operand-size src dst
)))
1406 (maybe-emit-operand-size-prefix segment size
)
1407 (emit-byte segment
#b00001111
)
1408 (emit-byte segment
(if (eq size
:byte
) #b11000000
#b11000001
))
1409 (emit-ea segment dst
(reg-tn-encoding src
)))))
1414 (defun emit-shift-inst (segment dst amount opcode
)
1415 (let ((size (operand-size dst
)))
1416 (maybe-emit-operand-size-prefix segment size
)
1417 (multiple-value-bind (major-opcode immed
)
1419 (:cl
(values #b11010010 nil
))
1420 (1 (values #b11010000 nil
))
1421 (t (values #b11000000 t
)))
1423 (if (eq size
:byte
) major-opcode
(logior major-opcode
1)))
1424 (emit-ea segment dst opcode
)
1426 (emit-byte segment amount
)))))
1428 (eval-when (:compile-toplevel
:execute
)
1429 (defun shift-inst-printer-list (subop)
1430 `((reg/mem
((op (#b1101000
,subop
)))
1431 (:name
:tab reg
/mem
", 1"))
1432 (reg/mem
((op (#b1101001
,subop
)))
1433 (:name
:tab reg
/mem
", " 'cl
))
1434 (reg/mem-imm
((op (#b1100000
,subop
))
1435 (imm nil
:type signed-imm-byte
))))))
1437 (define-instruction rol
(segment dst amount
)
1439 (shift-inst-printer-list #b000
))
1441 (emit-shift-inst segment dst amount
#b000
)))
1443 (define-instruction ror
(segment dst amount
)
1445 (shift-inst-printer-list #b001
))
1447 (emit-shift-inst segment dst amount
#b001
)))
1449 (define-instruction rcl
(segment dst amount
)
1451 (shift-inst-printer-list #b010
))
1453 (emit-shift-inst segment dst amount
#b010
)))
1455 (define-instruction rcr
(segment dst amount
)
1457 (shift-inst-printer-list #b011
))
1459 (emit-shift-inst segment dst amount
#b011
)))
1461 (define-instruction shl
(segment dst amount
)
1463 (shift-inst-printer-list #b100
))
1465 (emit-shift-inst segment dst amount
#b100
)))
1467 (define-instruction shr
(segment dst amount
)
1469 (shift-inst-printer-list #b101
))
1471 (emit-shift-inst segment dst amount
#b101
)))
1473 (define-instruction sar
(segment dst amount
)
1475 (shift-inst-printer-list #b111
))
1477 (emit-shift-inst segment dst amount
#b111
)))
1479 (defun emit-double-shift (segment opcode dst src amt
)
1480 (let ((size (matching-operand-size dst src
)))
1481 (when (eq size
:byte
)
1482 (error "Double shifts can only be used with words."))
1483 (maybe-emit-operand-size-prefix segment size
)
1484 (emit-byte segment
#b00001111
)
1485 (emit-byte segment
(dpb opcode
(byte 1 3)
1486 (if (eq amt
:cl
) #b10100101
#b10100100
)))
1488 (emit-ea segment dst src
)
1489 (emit-ea segment dst
(reg-tn-encoding src
)) ; pw tries this
1490 (unless (eq amt
:cl
)
1491 (emit-byte segment amt
))))
1493 (eval-when (:compile-toplevel
:execute
)
1494 (defun double-shift-inst-printer-list (op)
1496 (ext-reg-reg/mem-imm
((op ,(logior op
#b10
))
1497 (imm nil
:type signed-imm-byte
)))
1498 (ext-reg-reg/mem
((op ,(logior op
#b10
)))
1499 (:name
:tab reg
/mem
", " reg
", " 'cl
)))))
1501 (define-instruction shld
(segment dst src amt
)
1502 (:declare
(type (or (member :cl
) (mod 32)) amt
))
1503 (:printer-list
(double-shift-inst-printer-list #b1010000
))
1505 (emit-double-shift segment
#b0 dst src amt
)))
1507 (define-instruction shrd
(segment dst src amt
)
1508 (:declare
(type (or (member :cl
) (mod 32)) amt
))
1509 (:printer-list
(double-shift-inst-printer-list #b1010100
))
1511 (emit-double-shift segment
#b1 dst src amt
)))
1513 (define-instruction and
(segment dst src
)
1515 (arith-inst-printer-list #b100
))
1517 (emit-random-arith-inst "AND" segment dst src
#b100
)))
1519 (define-instruction test
(segment this that
)
1520 (:printer accum-imm
((op #b1010100
)))
1521 (:printer reg
/mem-imm
((op '(#b1111011
#b000
))))
1522 (:printer reg-reg
/mem
((op #b1000010
)))
1524 (let ((size (matching-operand-size this that
)))
1525 (maybe-emit-operand-size-prefix segment size
)
1526 (flet ((test-immed-and-something (immed something
)
1527 (cond ((accumulator-p something
)
1529 (if (eq size
:byte
) #b10101000
#b10101001
))
1530 (emit-sized-immediate segment size immed
))
1533 (if (eq size
:byte
) #b11110110
#b11110111
))
1534 (emit-ea segment something
#b000
)
1535 (emit-sized-immediate segment size immed
))))
1536 (test-reg-and-something (reg something
)
1537 (emit-byte segment
(if (eq size
:byte
) #b10000100
#b10000101
))
1538 (emit-ea segment something
(reg-tn-encoding reg
))))
1539 (cond ((integerp that
)
1540 (test-immed-and-something that this
))
1542 (test-immed-and-something this that
))
1544 (test-reg-and-something this that
))
1546 (test-reg-and-something that this
))
1548 (error "bogus operands for TEST: ~S and ~S" this that
)))))))
1550 (define-instruction or
(segment dst src
)
1552 (arith-inst-printer-list #b001
))
1554 (emit-random-arith-inst "OR" segment dst src
#b001
)))
1556 (define-instruction xor
(segment dst src
)
1558 (arith-inst-printer-list #b110
))
1560 (emit-random-arith-inst "XOR" segment dst src
#b110
)))
1562 (define-instruction not
(segment dst
)
1563 (:printer reg
/mem
((op '(#b1111011
#b010
))))
1565 (let ((size (operand-size dst
)))
1566 (maybe-emit-operand-size-prefix segment size
)
1567 (emit-byte segment
(if (eq size
:byte
) #b11110110
#b11110111
))
1568 (emit-ea segment dst
#b010
))))
1570 ;;;; string manipulation
1572 (define-instruction cmps
(segment size
)
1573 (:printer string-op
((op #b1010011
)))
1575 (maybe-emit-operand-size-prefix segment size
)
1576 (emit-byte segment
(if (eq size
:byte
) #b10100110
#b10100111
))))
1578 (define-instruction ins
(segment acc
)
1579 (:printer string-op
((op #b0110110
)))
1581 (let ((size (operand-size acc
)))
1582 (aver (accumulator-p acc
))
1583 (maybe-emit-operand-size-prefix segment size
)
1584 (emit-byte segment
(if (eq size
:byte
) #b01101100
#b01101101
)))))
1586 (define-instruction lods
(segment acc
)
1587 (:printer string-op
((op #b1010110
)))
1589 (let ((size (operand-size acc
)))
1590 (aver (accumulator-p acc
))
1591 (maybe-emit-operand-size-prefix segment size
)
1592 (emit-byte segment
(if (eq size
:byte
) #b10101100
#b10101101
)))))
1594 (define-instruction movs
(segment size
)
1595 (:printer string-op
((op #b1010010
)))
1597 (maybe-emit-operand-size-prefix segment size
)
1598 (emit-byte segment
(if (eq size
:byte
) #b10100100
#b10100101
))))
1600 (define-instruction outs
(segment acc
)
1601 (:printer string-op
((op #b0110111
)))
1603 (let ((size (operand-size acc
)))
1604 (aver (accumulator-p acc
))
1605 (maybe-emit-operand-size-prefix segment size
)
1606 (emit-byte segment
(if (eq size
:byte
) #b01101110
#b01101111
)))))
1608 (define-instruction scas
(segment acc
)
1609 (:printer string-op
((op #b1010111
)))
1611 (let ((size (operand-size acc
)))
1612 (aver (accumulator-p acc
))
1613 (maybe-emit-operand-size-prefix segment size
)
1614 (emit-byte segment
(if (eq size
:byte
) #b10101110
#b10101111
)))))
1616 (define-instruction stos
(segment acc
)
1617 (:printer string-op
((op #b1010101
)))
1619 (let ((size (operand-size acc
)))
1620 (aver (accumulator-p acc
))
1621 (maybe-emit-operand-size-prefix segment size
)
1622 (emit-byte segment
(if (eq size
:byte
) #b10101010
#b10101011
)))))
1624 (define-instruction xlat
(segment)
1625 (:printer byte
((op #b11010111
)))
1627 (emit-byte segment
#b11010111
)))
1629 (define-instruction rep
(segment)
1631 (emit-byte segment
#b11110010
)))
1633 (define-instruction repe
(segment)
1634 (:printer byte
((op #b11110011
)))
1636 (emit-byte segment
#b11110011
)))
1638 (define-instruction repne
(segment)
1639 (:printer byte
((op #b11110010
)))
1641 (emit-byte segment
#b11110010
)))
1644 ;;;; bit manipulation
1646 (define-instruction bsf
(segment dst src
)
1647 (:printer ext-reg-reg
/mem
((op #b1011110
) (width 0)))
1649 (let ((size (matching-operand-size dst src
)))
1650 (when (eq size
:byte
)
1651 (error "can't scan bytes: ~S" src
))
1652 (maybe-emit-operand-size-prefix segment size
)
1653 (emit-byte segment
#b00001111
)
1654 (emit-byte segment
#b10111100
)
1655 (emit-ea segment src
(reg-tn-encoding dst
)))))
1657 (define-instruction bsr
(segment dst src
)
1658 (:printer ext-reg-reg
/mem
((op #b1011110
) (width 1)))
1660 (let ((size (matching-operand-size dst src
)))
1661 (when (eq size
:byte
)
1662 (error "can't scan bytes: ~S" src
))
1663 (maybe-emit-operand-size-prefix segment size
)
1664 (emit-byte segment
#b00001111
)
1665 (emit-byte segment
#b10111101
)
1666 (emit-ea segment src
(reg-tn-encoding dst
)))))
1668 (defun emit-bit-test-and-mumble (segment src index opcode
)
1669 (let ((size (operand-size src
)))
1670 (when (eq size
:byte
)
1671 (error "can't scan bytes: ~S" src
))
1672 (maybe-emit-operand-size-prefix segment size
)
1673 (emit-byte segment
#b00001111
)
1674 (cond ((integerp index
)
1675 (emit-byte segment
#b10111010
)
1676 (emit-ea segment src opcode
)
1677 (emit-byte segment index
))
1679 (emit-byte segment
(dpb opcode
(byte 3 3) #b10000011
))
1680 (emit-ea segment src
(reg-tn-encoding index
))))))
1682 (eval-when (:compile-toplevel
:execute
)
1683 (defun bit-test-inst-printer-list (subop)
1684 `((ext-reg/mem-imm
((op (#b1011101
,subop
))
1685 (reg/mem nil
:type word-reg
/mem
)
1686 (imm nil
:type imm-data
)
1688 (ext-reg-reg/mem
((op ,(dpb subop
(byte 3 2) #b1000001
))
1690 (:name
:tab reg
/mem
", " reg
)))))
1692 (define-instruction bt
(segment src index
)
1693 (:printer-list
(bit-test-inst-printer-list #b100
))
1695 (emit-bit-test-and-mumble segment src index
#b100
)))
1697 (define-instruction btc
(segment src index
)
1698 (:printer-list
(bit-test-inst-printer-list #b111
))
1700 (emit-bit-test-and-mumble segment src index
#b111
)))
1702 (define-instruction btr
(segment src index
)
1703 (:printer-list
(bit-test-inst-printer-list #b110
))
1705 (emit-bit-test-and-mumble segment src index
#b110
)))
1707 (define-instruction bts
(segment src index
)
1708 (:printer-list
(bit-test-inst-printer-list #b101
))
1710 (emit-bit-test-and-mumble segment src index
#b101
)))
1713 ;;;; control transfer
1715 (define-instruction call
(segment where
)
1716 (:printer near-jump
((op #b11101000
)))
1717 (:printer reg
/mem
((op '(#b1111111
#b010
)) (width 1)))
1721 (emit-byte segment
#b11101000
)
1722 (emit-back-patch segment
1724 (lambda (segment posn
)
1726 (- (label-position where
)
1729 (emit-byte segment
#b11101000
)
1730 (emit-relative-fixup segment where
))
1732 (emit-byte segment
#b11111111
)
1733 (emit-ea segment where
#b010
)))))
1735 (defun emit-byte-displacement-backpatch (segment target
)
1736 (emit-back-patch segment
1738 (lambda (segment posn
)
1739 (let ((disp (- (label-position target
) (1+ posn
))))
1740 (aver (<= -
128 disp
127))
1741 (emit-byte segment disp
)))))
1743 (define-instruction jmp
(segment cond
&optional where
)
1744 ;; conditional jumps
1745 (:printer short-cond-jump
((op #b0111
)) '('j cc
:tab label
))
1746 (:printer near-cond-jump
() '('j cc
:tab label
))
1747 ;; unconditional jumps
1748 (:printer short-jump
((op #b1011
)))
1749 (:printer near-jump
((op #b11101001
)) )
1750 (:printer reg
/mem
((op '(#b1111111
#b100
)) (width 1)))
1755 (lambda (segment posn delta-if-after
)
1756 (let ((disp (- (label-position where posn delta-if-after
)
1758 (when (<= -
128 disp
127)
1760 (dpb (conditional-opcode cond
)
1763 (emit-byte-displacement-backpatch segment where
)
1765 (lambda (segment posn
)
1766 (let ((disp (- (label-position where
) (+ posn
6))))
1767 (emit-byte segment
#b00001111
)
1769 (dpb (conditional-opcode cond
)
1772 (emit-dword segment disp
)))))
1773 ((label-p (setq where cond
))
1776 (lambda (segment posn delta-if-after
)
1777 (let ((disp (- (label-position where posn delta-if-after
)
1779 (when (<= -
128 disp
127)
1780 (emit-byte segment
#b11101011
)
1781 (emit-byte-displacement-backpatch segment where
)
1783 (lambda (segment posn
)
1784 (let ((disp (- (label-position where
) (+ posn
5))))
1785 (emit-byte segment
#b11101001
)
1786 (emit-dword segment disp
)))))
1788 (emit-byte segment
#b11101001
)
1789 (emit-relative-fixup segment where
))
1791 (unless (or (ea-p where
) (tn-p where
))
1792 (error "don't know what to do with ~A" where
))
1793 (emit-byte segment
#b11111111
)
1794 (emit-ea segment where
#b100
)))))
1796 (define-instruction jmp-short
(segment label
)
1798 (emit-byte segment
#b11101011
)
1799 (emit-byte-displacement-backpatch segment label
)))
1801 (define-instruction ret
(segment &optional stack-delta
)
1802 (:printer byte
((op #b11000011
)))
1803 (:printer byte
((op #b11000010
) (imm nil
:type
'imm-word-16
))
1807 (emit-byte segment
#b11000010
)
1808 (emit-word segment stack-delta
))
1810 (emit-byte segment
#b11000011
)))))
1812 (define-instruction jecxz
(segment target
)
1813 (:printer short-jump
((op #b0011
)))
1815 (emit-byte segment
#b11100011
)
1816 (emit-byte-displacement-backpatch segment target
)))
1818 (define-instruction loop
(segment target
)
1819 (:printer short-jump
((op #b0010
)))
1821 (emit-byte segment
#b11100010
) ; pfw this was 11100011, or jecxz!!!!
1822 (emit-byte-displacement-backpatch segment target
)))
1824 (define-instruction loopz
(segment target
)
1825 (:printer short-jump
((op #b0001
)))
1827 (emit-byte segment
#b11100001
)
1828 (emit-byte-displacement-backpatch segment target
)))
1830 (define-instruction loopnz
(segment target
)
1831 (:printer short-jump
((op #b0000
)))
1833 (emit-byte segment
#b11100000
)
1834 (emit-byte-displacement-backpatch segment target
)))
1836 ;;;; conditional move
1837 (define-instruction cmov
(segment cond dst src
)
1838 (:printer cond-move
())
1840 (aver (register-p dst
))
1841 (let ((size (matching-operand-size dst src
)))
1842 (aver (or (eq size
:word
) (eq size
:dword
)))
1843 (maybe-emit-operand-size-prefix segment size
))
1844 (emit-byte segment
#b00001111
)
1845 (emit-byte segment
(dpb (conditional-opcode cond
) (byte 4 0) #b01000000
))
1846 (emit-ea segment src
(reg-tn-encoding dst
))))
1848 ;;;; conditional byte set
1850 (define-instruction set
(segment dst cond
)
1851 (:printer cond-set
())
1853 (emit-byte segment
#b00001111
)
1854 (emit-byte segment
(dpb (conditional-opcode cond
) (byte 4 0) #b10010000
))
1855 (emit-ea segment dst
#b000
)))
1859 (define-instruction enter
(segment disp
&optional
(level 0))
1860 (:declare
(type (unsigned-byte 16) disp
)
1861 (type (unsigned-byte 8) level
))
1862 (:printer enter-format
((op #b11001000
)))
1864 (emit-byte segment
#b11001000
)
1865 (emit-word segment disp
)
1866 (emit-byte segment level
)))
1868 (define-instruction leave
(segment)
1869 (:printer byte
((op #b11001001
)))
1871 (emit-byte segment
#b11001001
)))
1874 (define-instruction prefetchnta
(segment ea
)
1875 (:printer prefetch
((op #b00011000
) (reg #b000
)))
1877 (aver (typep ea
'ea
))
1878 (aver (eq :byte
(ea-size ea
)))
1879 (emit-byte segment
#b00001111
)
1880 (emit-byte segment
#b00011000
)
1881 (emit-ea segment ea
#b000
)))
1883 (define-instruction prefetcht0
(segment ea
)
1884 (:printer prefetch
((op #b00011000
) (reg #b001
)))
1886 (aver (typep ea
'ea
))
1887 (aver (eq :byte
(ea-size ea
)))
1888 (emit-byte segment
#b00001111
)
1889 (emit-byte segment
#b00011000
)
1890 (emit-ea segment ea
#b001
)))
1892 (define-instruction prefetcht1
(segment ea
)
1893 (:printer prefetch
((op #b00011000
) (reg #b010
)))
1895 (aver (typep ea
'ea
))
1896 (aver (eq :byte
(ea-size ea
)))
1897 (emit-byte segment
#b00001111
)
1898 (emit-byte segment
#b00011000
)
1899 (emit-ea segment ea
#b010
)))
1901 (define-instruction prefetcht2
(segment ea
)
1902 (:printer prefetch
((op #b00011000
) (reg #b011
)))
1904 (aver (typep ea
'ea
))
1905 (aver (eq :byte
(ea-size ea
)))
1906 (emit-byte segment
#b00001111
)
1907 (emit-byte segment
#b00011000
)
1908 (emit-ea segment ea
#b011
)))
1910 ;;;; interrupt instructions
1912 (defun snarf-error-junk (sap offset
&optional length-only
)
1913 (let* ((length (sb!sys
:sap-ref-8 sap offset
))
1914 (vector (make-array length
:element-type
'(unsigned-byte 8))))
1915 (declare (type sb
!sys
:system-area-pointer sap
)
1916 (type (unsigned-byte 8) length
)
1917 (type (simple-array (unsigned-byte 8) (*)) vector
))
1919 (values 0 (1+ length
) nil nil
))
1921 (sb!kernel
:copy-ub8-from-system-area sap
(1+ offset
)
1923 (collect ((sc-offsets)
1925 (lengths 1) ; the length byte
1927 (error-number (sb!c
:read-var-integer vector index
)))
1930 (when (>= index length
)
1932 (let ((old-index index
))
1933 (sc-offsets (sb!c
:read-var-integer vector index
))
1934 (lengths (- index old-index
))))
1935 (values error-number
1941 (defmacro break-cases
(breaknum &body cases
)
1942 (let ((bn-temp (gensym)))
1943 (collect ((clauses))
1944 (dolist (case cases
)
1945 (clauses `((= ,bn-temp
,(car case
)) ,@(cdr case
))))
1946 `(let ((,bn-temp
,breaknum
))
1947 (cond ,@(clauses))))))
1950 (defun break-control (chunk inst stream dstate
)
1951 (declare (ignore inst
))
1952 (flet ((nt (x) (if stream
(sb!disassem
:note x dstate
))))
1953 ;; FIXME: Make sure that BYTE-IMM-CODE is defined. The genesis
1954 ;; map has it undefined; and it should be easier to look in the target
1955 ;; Lisp (with (DESCRIBE 'BYTE-IMM-CODE)) than to definitively deduce
1956 ;; from first principles whether it's defined in some way that genesis
1958 (case (byte-imm-code chunk dstate
)
1961 (sb!disassem
:handle-break-args
#'snarf-error-junk stream dstate
))
1964 (sb!disassem
:handle-break-args
#'snarf-error-junk stream dstate
))
1966 (nt "breakpoint trap"))
1967 (#.pending-interrupt-trap
1968 (nt "pending interrupt trap"))
1971 (#.fun-end-breakpoint-trap
1972 (nt "function end breakpoint trap")))))
1974 (define-instruction break
(segment code
)
1975 (:declare
(type (unsigned-byte 8) code
))
1976 (:printer byte-imm
((op #b11001100
)) '(:name
:tab code
)
1977 :control
#'break-control
)
1979 (emit-byte segment
#b11001100
)
1980 (emit-byte segment code
)))
1982 (define-instruction int
(segment number
)
1983 (:declare
(type (unsigned-byte 8) number
))
1984 (:printer byte-imm
((op #b11001101
)))
1988 (emit-byte segment
#b11001100
))
1990 (emit-byte segment
#b11001101
)
1991 (emit-byte segment number
)))))
1993 (define-instruction into
(segment)
1994 (:printer byte
((op #b11001110
)))
1996 (emit-byte segment
#b11001110
)))
1998 (define-instruction bound
(segment reg bounds
)
2000 (let ((size (matching-operand-size reg bounds
)))
2001 (when (eq size
:byte
)
2002 (error "can't bounds-test bytes: ~S" reg
))
2003 (maybe-emit-operand-size-prefix segment size
)
2004 (emit-byte segment
#b01100010
)
2005 (emit-ea segment bounds
(reg-tn-encoding reg
)))))
2007 (define-instruction iret
(segment)
2008 (:printer byte
((op #b11001111
)))
2010 (emit-byte segment
#b11001111
)))
2012 ;;;; processor control
2014 (define-instruction hlt
(segment)
2015 (:printer byte
((op #b11110100
)))
2017 (emit-byte segment
#b11110100
)))
2019 (define-instruction nop
(segment)
2020 (:printer byte
((op #b10010000
)))
2022 (emit-byte segment
#b10010000
)))
2024 (define-instruction wait
(segment)
2025 (:printer byte
((op #b10011011
)))
2027 (emit-byte segment
#b10011011
)))
2029 (define-instruction lock
(segment)
2030 (:printer byte
((op #b11110000
)))
2032 (emit-byte segment
#b11110000
)))
2034 ;;;; miscellaneous hackery
2036 (define-instruction byte
(segment byte
)
2038 (emit-byte segment byte
)))
2040 (define-instruction word
(segment word
)
2042 (emit-word segment word
)))
2044 (define-instruction dword
(segment dword
)
2046 (emit-dword segment dword
)))
2048 (defun emit-header-data (segment type
)
2049 (emit-back-patch segment
2051 (lambda (segment posn
)
2055 (component-header-length))
2059 (define-instruction simple-fun-header-word
(segment)
2061 (emit-header-data segment simple-fun-header-widetag
)))
2063 (define-instruction lra-header-word
(segment)
2065 (emit-header-data segment return-pc-header-widetag
)))
2068 ;;;; SSE instructions
2070 ;;;; Automatically generated
2073 (DEFINE-INSTRUCTION ADDPS
2075 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2076 (EMIT-BYTE SEGMENT
88)
2077 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2079 (DEFINE-INSTRUCTION ADDSUBPS
2081 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2082 (EMIT-BYTE SEGMENT
15)
2083 (EMIT-BYTE SEGMENT
208)
2084 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2086 (DEFINE-INSTRUCTION ANDNPS
2088 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2089 (EMIT-BYTE SEGMENT
85)
2090 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2092 (DEFINE-INSTRUCTION ANDPS
2094 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2095 (EMIT-BYTE SEGMENT
84)
2096 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2098 (DEFINE-INSTRUCTION DIVPS
2100 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2101 (EMIT-BYTE SEGMENT
94)
2102 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2104 (DEFINE-INSTRUCTION HADDPS
2106 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2107 (EMIT-BYTE SEGMENT
15)
2108 (EMIT-BYTE SEGMENT
124)
2109 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2111 (DEFINE-INSTRUCTION HSUBPS
2113 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2114 (EMIT-BYTE SEGMENT
15)
2115 (EMIT-BYTE SEGMENT
125)
2116 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2118 (DEFINE-INSTRUCTION MAXPS
2120 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2121 (EMIT-BYTE SEGMENT
95)
2122 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2124 (DEFINE-INSTRUCTION MINPS
2126 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2127 (EMIT-BYTE SEGMENT
93)
2128 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2130 (DEFINE-INSTRUCTION MULPS
2132 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2133 (EMIT-BYTE SEGMENT
89)
2134 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2136 (DEFINE-INSTRUCTION ORPS
2138 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2139 (EMIT-BYTE SEGMENT
86)
2140 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2142 (DEFINE-INSTRUCTION RCPPS
2144 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2145 (EMIT-BYTE SEGMENT
83)
2146 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2148 (DEFINE-INSTRUCTION RSQRTPS
2150 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2151 (EMIT-BYTE SEGMENT
82)
2152 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2154 (DEFINE-INSTRUCTION SQRTPS
2156 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2157 (EMIT-BYTE SEGMENT
81)
2158 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2160 (DEFINE-INSTRUCTION SUBPS
2162 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2163 (EMIT-BYTE SEGMENT
92)
2164 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2166 (DEFINE-INSTRUCTION UNPCKHPS
2168 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2169 (EMIT-BYTE SEGMENT
21)
2170 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2172 (DEFINE-INSTRUCTION UNPCKLPS
2174 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2175 (EMIT-BYTE SEGMENT
20)
2176 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2178 (DEFINE-INSTRUCTION XORPS
2180 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2181 (EMIT-BYTE SEGMENT
87)
2182 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2184 (DEFINE-INSTRUCTION ADDPD
2186 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2187 (EMIT-BYTE SEGMENT
15)
2188 (EMIT-BYTE SEGMENT
88)
2189 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2191 (DEFINE-INSTRUCTION ADDSUBPD
2193 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2194 (EMIT-BYTE SEGMENT
15)
2195 (EMIT-BYTE SEGMENT
208)
2196 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2198 (DEFINE-INSTRUCTION ANDNPD
2200 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2201 (EMIT-BYTE SEGMENT
15)
2202 (EMIT-BYTE SEGMENT
85)
2203 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2205 (DEFINE-INSTRUCTION ANDPD
2207 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2208 (EMIT-BYTE SEGMENT
15)
2209 (EMIT-BYTE SEGMENT
84)
2210 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2212 (DEFINE-INSTRUCTION DIVPD
2214 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2215 (EMIT-BYTE SEGMENT
15)
2216 (EMIT-BYTE SEGMENT
94)
2217 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2219 (DEFINE-INSTRUCTION HADDPD
2221 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2222 (EMIT-BYTE SEGMENT
15)
2223 (EMIT-BYTE SEGMENT
124)
2224 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2226 (DEFINE-INSTRUCTION HSUBPD
2228 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2229 (EMIT-BYTE SEGMENT
15)
2230 (EMIT-BYTE SEGMENT
125)
2231 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2233 (DEFINE-INSTRUCTION MAXPD
2235 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2236 (EMIT-BYTE SEGMENT
15)
2237 (EMIT-BYTE SEGMENT
95)
2238 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2240 (DEFINE-INSTRUCTION MINPD
2242 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2243 (EMIT-BYTE SEGMENT
15)
2244 (EMIT-BYTE SEGMENT
93)
2245 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2247 (DEFINE-INSTRUCTION MULPD
2249 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2250 (EMIT-BYTE SEGMENT
15)
2251 (EMIT-BYTE SEGMENT
89)
2252 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2254 (DEFINE-INSTRUCTION ORPD
2256 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2257 (EMIT-BYTE SEGMENT
15)
2258 (EMIT-BYTE SEGMENT
86)
2259 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2261 (DEFINE-INSTRUCTION SQRTPD
2263 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2264 (EMIT-BYTE SEGMENT
15)
2265 (EMIT-BYTE SEGMENT
81)
2266 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2268 (DEFINE-INSTRUCTION SUBPD
2270 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2271 (EMIT-BYTE SEGMENT
15)
2272 (EMIT-BYTE SEGMENT
92)
2273 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2275 (DEFINE-INSTRUCTION UNPCKHPD
2277 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2278 (EMIT-BYTE SEGMENT
15)
2279 (EMIT-BYTE SEGMENT
21)
2280 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2282 (DEFINE-INSTRUCTION UNPCKLPD
2284 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2285 (EMIT-BYTE SEGMENT
15)
2286 (EMIT-BYTE SEGMENT
20)
2287 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2289 (DEFINE-INSTRUCTION XORPD
2291 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2292 (EMIT-BYTE SEGMENT
15)
2293 (EMIT-BYTE SEGMENT
87)
2294 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2296 (DEFINE-INSTRUCTION ADDSD
2298 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2299 (EMIT-BYTE SEGMENT
15)
2300 (EMIT-BYTE SEGMENT
88)
2301 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2303 (DEFINE-INSTRUCTION COMISD
2305 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2306 (EMIT-BYTE SEGMENT
15)
2307 (EMIT-BYTE SEGMENT
47)
2308 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2310 (DEFINE-INSTRUCTION DIVSD
2312 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2313 (EMIT-BYTE SEGMENT
15)
2314 (EMIT-BYTE SEGMENT
94)
2315 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2317 (DEFINE-INSTRUCTION MAXSD
2319 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2320 (EMIT-BYTE SEGMENT
15)
2321 (EMIT-BYTE SEGMENT
95)
2322 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2324 (DEFINE-INSTRUCTION MINSD
2326 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2327 (EMIT-BYTE SEGMENT
15)
2328 (EMIT-BYTE SEGMENT
93)
2329 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2331 (DEFINE-INSTRUCTION MULSD
2333 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2334 (EMIT-BYTE SEGMENT
15)
2335 (EMIT-BYTE SEGMENT
89)
2336 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2338 (DEFINE-INSTRUCTION SQRTSD
2340 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2341 (EMIT-BYTE SEGMENT
15)
2342 (EMIT-BYTE SEGMENT
81)
2343 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2345 (DEFINE-INSTRUCTION SUBSD
2347 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2348 (EMIT-BYTE SEGMENT
15)
2349 (EMIT-BYTE SEGMENT
92)
2350 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2352 (DEFINE-INSTRUCTION UCOMISD
2354 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2355 (EMIT-BYTE SEGMENT
15)
2356 (EMIT-BYTE SEGMENT
46)
2357 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2359 (DEFINE-INSTRUCTION ADDSS
2361 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2362 (EMIT-BYTE SEGMENT
15)
2363 (EMIT-BYTE SEGMENT
88)
2364 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2366 (DEFINE-INSTRUCTION COMISS
2368 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2369 (EMIT-BYTE SEGMENT
47)
2370 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2372 (DEFINE-INSTRUCTION DIVSS
2374 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2375 (EMIT-BYTE SEGMENT
15)
2376 (EMIT-BYTE SEGMENT
94)
2377 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2379 (DEFINE-INSTRUCTION MAXSS
2381 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2382 (EMIT-BYTE SEGMENT
15)
2383 (EMIT-BYTE SEGMENT
95)
2384 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2386 (DEFINE-INSTRUCTION MINSS
2388 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2389 (EMIT-BYTE SEGMENT
15)
2390 (EMIT-BYTE SEGMENT
93)
2391 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2393 (DEFINE-INSTRUCTION MULSS
2395 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2396 (EMIT-BYTE SEGMENT
15)
2397 (EMIT-BYTE SEGMENT
89)
2398 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2400 (DEFINE-INSTRUCTION RCPSS
2402 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2403 (EMIT-BYTE SEGMENT
15)
2404 (EMIT-BYTE SEGMENT
83)
2405 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2407 (DEFINE-INSTRUCTION RSQRTSS
2409 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2410 (EMIT-BYTE SEGMENT
15)
2411 (EMIT-BYTE SEGMENT
82)
2412 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2414 (DEFINE-INSTRUCTION SQRTSS
2416 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2417 (EMIT-BYTE SEGMENT
15)
2418 (EMIT-BYTE SEGMENT
81)
2419 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2421 (DEFINE-INSTRUCTION SUBSS
2423 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2424 (EMIT-BYTE SEGMENT
15)
2425 (EMIT-BYTE SEGMENT
92)
2426 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2428 (DEFINE-INSTRUCTION UCOMISS
2430 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2431 (EMIT-BYTE SEGMENT
46)
2432 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2434 (DEFINE-INSTRUCTION PACKSSDW
2436 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2437 (EMIT-BYTE SEGMENT
15)
2438 (EMIT-BYTE SEGMENT
107)
2439 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2441 (DEFINE-INSTRUCTION PACKSSWB
2443 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2444 (EMIT-BYTE SEGMENT
15)
2445 (EMIT-BYTE SEGMENT
99)
2446 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2448 (DEFINE-INSTRUCTION PACKUSWB
2450 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2451 (EMIT-BYTE SEGMENT
15)
2452 (EMIT-BYTE SEGMENT
103)
2453 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2455 (DEFINE-INSTRUCTION PADDB
2457 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2458 (EMIT-BYTE SEGMENT
15)
2459 (EMIT-BYTE SEGMENT
252)
2460 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2462 (DEFINE-INSTRUCTION PADDD
2464 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2465 (EMIT-BYTE SEGMENT
15)
2466 (EMIT-BYTE SEGMENT
254)
2467 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2469 (DEFINE-INSTRUCTION PADDQ
2471 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2472 (EMIT-BYTE SEGMENT
15)
2473 (EMIT-BYTE SEGMENT
212)
2474 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2476 (DEFINE-INSTRUCTION PADDSB
2478 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2479 (EMIT-BYTE SEGMENT
15)
2480 (EMIT-BYTE SEGMENT
236)
2481 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2483 (DEFINE-INSTRUCTION PADDSW
2485 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2486 (EMIT-BYTE SEGMENT
15)
2487 (EMIT-BYTE SEGMENT
237)
2488 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2490 (DEFINE-INSTRUCTION PADDUSB
2492 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2493 (EMIT-BYTE SEGMENT
15)
2494 (EMIT-BYTE SEGMENT
220)
2495 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2497 (DEFINE-INSTRUCTION PADDUSW
2499 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2500 (EMIT-BYTE SEGMENT
15)
2501 (EMIT-BYTE SEGMENT
221)
2502 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2504 (DEFINE-INSTRUCTION PADDW
2506 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2507 (EMIT-BYTE SEGMENT
15)
2508 (EMIT-BYTE SEGMENT
253)
2509 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2511 (DEFINE-INSTRUCTION PAND
2513 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2514 (EMIT-BYTE SEGMENT
15)
2515 (EMIT-BYTE SEGMENT
219)
2516 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2518 (DEFINE-INSTRUCTION PANDN
2520 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2521 (EMIT-BYTE SEGMENT
15)
2522 (EMIT-BYTE SEGMENT
223)
2523 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2525 (DEFINE-INSTRUCTION PAVGB
2527 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2528 (EMIT-BYTE SEGMENT
15)
2529 (EMIT-BYTE SEGMENT
224)
2530 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2532 (DEFINE-INSTRUCTION PAVGW
2534 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2535 (EMIT-BYTE SEGMENT
15)
2536 (EMIT-BYTE SEGMENT
227)
2537 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2539 (DEFINE-INSTRUCTION PCMPEQB
2541 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2542 (EMIT-BYTE SEGMENT
15)
2543 (EMIT-BYTE SEGMENT
116)
2544 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2546 (DEFINE-INSTRUCTION PCMPEQD
2548 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2549 (EMIT-BYTE SEGMENT
15)
2550 (EMIT-BYTE SEGMENT
118)
2551 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2553 (DEFINE-INSTRUCTION PCMPEQW
2555 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2556 (EMIT-BYTE SEGMENT
15)
2557 (EMIT-BYTE SEGMENT
117)
2558 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2560 (DEFINE-INSTRUCTION PCMPGTB
2562 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2563 (EMIT-BYTE SEGMENT
15)
2564 (EMIT-BYTE SEGMENT
100)
2565 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2567 (DEFINE-INSTRUCTION PCMPGTD
2569 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2570 (EMIT-BYTE SEGMENT
15)
2571 (EMIT-BYTE SEGMENT
102)
2572 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2574 (DEFINE-INSTRUCTION PCMPGTW
2576 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2577 (EMIT-BYTE SEGMENT
15)
2578 (EMIT-BYTE SEGMENT
101)
2579 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2581 (DEFINE-INSTRUCTION PMADDWD
2583 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2584 (EMIT-BYTE SEGMENT
15)
2585 (EMIT-BYTE SEGMENT
245)
2586 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2588 (DEFINE-INSTRUCTION PMAXSW
2590 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2591 (EMIT-BYTE SEGMENT
15)
2592 (EMIT-BYTE SEGMENT
238)
2593 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2595 (DEFINE-INSTRUCTION PMAXUB
2597 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2598 (EMIT-BYTE SEGMENT
15)
2599 (EMIT-BYTE SEGMENT
222)
2600 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2602 (DEFINE-INSTRUCTION PMINSW
2604 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2605 (EMIT-BYTE SEGMENT
15)
2606 (EMIT-BYTE SEGMENT
234)
2607 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2609 (DEFINE-INSTRUCTION PMINUB
2611 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2612 (EMIT-BYTE SEGMENT
15)
2613 (EMIT-BYTE SEGMENT
218)
2614 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2616 (DEFINE-INSTRUCTION PMOVMSKB
2618 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2619 (EMIT-BYTE SEGMENT
15)
2620 (EMIT-BYTE SEGMENT
215)
2621 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2623 (DEFINE-INSTRUCTION PMULHUW
2625 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2626 (EMIT-BYTE SEGMENT
15)
2627 (EMIT-BYTE SEGMENT
228)
2628 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2630 (DEFINE-INSTRUCTION PMULHW
2632 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2633 (EMIT-BYTE SEGMENT
15)
2634 (EMIT-BYTE SEGMENT
229)
2635 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2637 (DEFINE-INSTRUCTION PMULLW
2639 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2640 (EMIT-BYTE SEGMENT
15)
2641 (EMIT-BYTE SEGMENT
213)
2642 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2644 (DEFINE-INSTRUCTION PMULUDQ
2646 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2647 (EMIT-BYTE SEGMENT
15)
2648 (EMIT-BYTE SEGMENT
244)
2649 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2651 (DEFINE-INSTRUCTION POR
2653 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2654 (EMIT-BYTE SEGMENT
15)
2655 (EMIT-BYTE SEGMENT
235)
2656 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2658 (DEFINE-INSTRUCTION PSADBW
2660 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2661 (EMIT-BYTE SEGMENT
15)
2662 (EMIT-BYTE SEGMENT
246)
2663 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2665 (DEFINE-INSTRUCTION PSSLD
2667 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2668 (EMIT-BYTE SEGMENT
15)
2669 (EMIT-BYTE SEGMENT
242)
2670 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2672 (DEFINE-INSTRUCTION PSLLQ
2674 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2675 (EMIT-BYTE SEGMENT
15)
2676 (EMIT-BYTE SEGMENT
243)
2677 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2679 (DEFINE-INSTRUCTION PSLLW
2681 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2682 (EMIT-BYTE SEGMENT
15)
2683 (EMIT-BYTE SEGMENT
241)
2684 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2686 (DEFINE-INSTRUCTION PSRAD
2688 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2689 (EMIT-BYTE SEGMENT
15)
2690 (EMIT-BYTE SEGMENT
226)
2691 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2693 (DEFINE-INSTRUCTION PSRAW
2695 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2696 (EMIT-BYTE SEGMENT
15)
2697 (EMIT-BYTE SEGMENT
226)
2698 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2700 (DEFINE-INSTRUCTION PSRLD
2702 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2703 (EMIT-BYTE SEGMENT
15)
2704 (EMIT-BYTE SEGMENT
210)
2705 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2707 (DEFINE-INSTRUCTION PSRLQ
2709 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2710 (EMIT-BYTE SEGMENT
15)
2711 (EMIT-BYTE SEGMENT
211)
2712 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2714 (DEFINE-INSTRUCTION PSRLW
2716 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2717 (EMIT-BYTE SEGMENT
15)
2718 (EMIT-BYTE SEGMENT
209)
2719 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2721 (DEFINE-INSTRUCTION PSUBB
2723 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2724 (EMIT-BYTE SEGMENT
15)
2725 (EMIT-BYTE SEGMENT
248)
2726 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2728 (DEFINE-INSTRUCTION PSUBD
2730 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2731 (EMIT-BYTE SEGMENT
15)
2732 (EMIT-BYTE SEGMENT
250)
2733 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2735 (DEFINE-INSTRUCTION PSUBQ
2737 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2738 (EMIT-BYTE SEGMENT
15)
2739 (EMIT-BYTE SEGMENT
251)
2740 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2742 (DEFINE-INSTRUCTION PSUBSB
2744 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2745 (EMIT-BYTE SEGMENT
15)
2746 (EMIT-BYTE SEGMENT
232)
2747 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2749 (DEFINE-INSTRUCTION PSUBSW
2751 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2752 (EMIT-BYTE SEGMENT
15)
2753 (EMIT-BYTE SEGMENT
233)
2754 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2756 (DEFINE-INSTRUCTION PSUBUSB
2758 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2759 (EMIT-BYTE SEGMENT
15)
2760 (EMIT-BYTE SEGMENT
216)
2761 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2763 (DEFINE-INSTRUCTION PSUBUSW
2765 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2766 (EMIT-BYTE SEGMENT
15)
2767 (EMIT-BYTE SEGMENT
217)
2768 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2770 (DEFINE-INSTRUCTION PSUBW
2772 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2773 (EMIT-BYTE SEGMENT
15)
2774 (EMIT-BYTE SEGMENT
249)
2775 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2777 (DEFINE-INSTRUCTION PUNPCKHBW
2779 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2780 (EMIT-BYTE SEGMENT
15)
2781 (EMIT-BYTE SEGMENT
104)
2782 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2784 (DEFINE-INSTRUCTION PUNPCKHDQ
2786 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2787 (EMIT-BYTE SEGMENT
15)
2788 (EMIT-BYTE SEGMENT
106)
2789 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2791 (DEFINE-INSTRUCTION PUNPCKHQDQ
2793 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2794 (EMIT-BYTE SEGMENT
15)
2795 (EMIT-BYTE SEGMENT
109)
2796 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2798 (DEFINE-INSTRUCTION PUNPCKHWD
2800 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2801 (EMIT-BYTE SEGMENT
15)
2802 (EMIT-BYTE SEGMENT
105)
2803 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2805 (DEFINE-INSTRUCTION PUNPCKLBW
2807 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2808 (EMIT-BYTE SEGMENT
15)
2809 (EMIT-BYTE SEGMENT
96)
2810 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2812 (DEFINE-INSTRUCTION PUNPCKLDQ
2814 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2815 (EMIT-BYTE SEGMENT
15)
2816 (EMIT-BYTE SEGMENT
98)
2817 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2819 (DEFINE-INSTRUCTION PUNPCKLQDQ
2821 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2822 (EMIT-BYTE SEGMENT
15)
2823 (EMIT-BYTE SEGMENT
108)
2824 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2826 (DEFINE-INSTRUCTION PUNPCKLWD
2828 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2829 (EMIT-BYTE SEGMENT
15)
2830 (EMIT-BYTE SEGMENT
97)
2831 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2833 (DEFINE-INSTRUCTION PXOR
2835 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2836 (EMIT-BYTE SEGMENT
15)
2837 (EMIT-BYTE SEGMENT
239)
2838 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2840 (DEFINE-INSTRUCTION CVTDQ2PD
2842 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2843 (EMIT-BYTE SEGMENT
15)
2844 (EMIT-BYTE SEGMENT
230)
2845 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2847 (DEFINE-INSTRUCTION CVTDQ2PS
2849 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2850 (EMIT-BYTE SEGMENT
91)
2851 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2853 (DEFINE-INSTRUCTION CVTPD2DQ
2855 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2856 (EMIT-BYTE SEGMENT
15)
2857 (EMIT-BYTE SEGMENT
230)
2858 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2860 (DEFINE-INSTRUCTION CVTPD2PI
2862 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2863 (EMIT-BYTE SEGMENT
15)
2864 (EMIT-BYTE SEGMENT
45)
2865 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2867 (DEFINE-INSTRUCTION CVTPD2PS
2869 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2870 (EMIT-BYTE SEGMENT
15)
2871 (EMIT-BYTE SEGMENT
90)
2872 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2874 (DEFINE-INSTRUCTION CVTPI2PD
2876 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2877 (EMIT-BYTE SEGMENT
15)
2878 (EMIT-BYTE SEGMENT
42)
2879 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2881 (DEFINE-INSTRUCTION CVTPI2PS
2883 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2884 (EMIT-BYTE SEGMENT
42)
2885 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2887 (DEFINE-INSTRUCTION CVTPS2DQ
2889 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2890 (EMIT-BYTE SEGMENT
15)
2891 (EMIT-BYTE SEGMENT
91)
2892 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2894 (DEFINE-INSTRUCTION CVTPS2PD
2896 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2897 (EMIT-BYTE SEGMENT
90)
2898 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2900 (DEFINE-INSTRUCTION CVTPS2PI
2902 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2903 (EMIT-BYTE SEGMENT
45)
2904 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2906 (DEFINE-INSTRUCTION CVTSD2SI
2908 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2909 (EMIT-BYTE SEGMENT
15)
2910 (EMIT-BYTE SEGMENT
45)
2911 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2913 (DEFINE-INSTRUCTION CVTSD2SS
2915 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2916 (EMIT-BYTE SEGMENT
15)
2917 (EMIT-BYTE SEGMENT
90)
2918 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2920 (DEFINE-INSTRUCTION CVTSI2SD
2922 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2923 (EMIT-BYTE SEGMENT
15)
2924 (EMIT-BYTE SEGMENT
42)
2925 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2927 (DEFINE-INSTRUCTION CVTSI2SS
2929 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2930 (EMIT-BYTE SEGMENT
15)
2931 (EMIT-BYTE SEGMENT
42)
2932 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2934 (DEFINE-INSTRUCTION CVTSS2SD
2936 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2937 (EMIT-BYTE SEGMENT
15)
2938 (EMIT-BYTE SEGMENT
90)
2939 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2941 (DEFINE-INSTRUCTION CVTSS2SI
2943 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2944 (EMIT-BYTE SEGMENT
15)
2945 (EMIT-BYTE SEGMENT
45)
2946 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2948 (DEFINE-INSTRUCTION CVTTPD2DQ
2950 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2951 (EMIT-BYTE SEGMENT
15)
2952 (EMIT-BYTE SEGMENT
230)
2953 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2955 (DEFINE-INSTRUCTION CVTTPD2PI
2957 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2958 (EMIT-BYTE SEGMENT
15)
2959 (EMIT-BYTE SEGMENT
44)
2960 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2962 (DEFINE-INSTRUCTION CVTTPS2DQ
2964 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2965 (EMIT-BYTE SEGMENT
15)
2966 (EMIT-BYTE SEGMENT
91)
2967 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2969 (DEFINE-INSTRUCTION CVTTPS2PI
2971 (:EMITTER
(EMIT-BYTE SEGMENT
15)
2972 (EMIT-BYTE SEGMENT
44)
2973 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2975 (DEFINE-INSTRUCTION CVTTSD2SI
2977 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2978 (EMIT-BYTE SEGMENT
15)
2979 (EMIT-BYTE SEGMENT
44)
2980 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2982 (DEFINE-INSTRUCTION CVTTSS2SI
2984 (:EMITTER
(EMIT-BYTE SEGMENT
243)
2985 (EMIT-BYTE SEGMENT
15)
2986 (EMIT-BYTE SEGMENT
44)
2987 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2989 (DEFINE-INSTRUCTION LDDQU
2991 (:EMITTER
(EMIT-BYTE SEGMENT
242)
2992 (EMIT-BYTE SEGMENT
15)
2993 (EMIT-BYTE SEGMENT
240)
2994 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
2996 (DEFINE-INSTRUCTION MASKMOVDQU
2998 (:EMITTER
(EMIT-BYTE SEGMENT
102)
2999 (EMIT-BYTE SEGMENT
15)
3000 (EMIT-BYTE SEGMENT
247)
3001 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3003 (DEFINE-INSTRUCTION MOVDDUP
3005 (:EMITTER
(EMIT-BYTE SEGMENT
242)
3006 (EMIT-BYTE SEGMENT
15)
3007 (EMIT-BYTE SEGMENT
18)
3008 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3010 (DEFINE-INSTRUCTION MOVHLPS
3012 (:EMITTER
(EMIT-BYTE SEGMENT
15)
3013 (EMIT-BYTE SEGMENT
18)
3014 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3016 (DEFINE-INSTRUCTION MOVLHPS
3018 (:EMITTER
(EMIT-BYTE SEGMENT
15)
3019 (EMIT-BYTE SEGMENT
22)
3020 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3022 (DEFINE-INSTRUCTION MOVMSKPD
3024 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3025 (EMIT-BYTE SEGMENT
15)
3026 (EMIT-BYTE SEGMENT
80)
3027 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3029 (DEFINE-INSTRUCTION MOVMSKPS
3031 (:EMITTER
(EMIT-BYTE SEGMENT
15)
3032 (EMIT-BYTE SEGMENT
80)
3033 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3035 (DEFINE-INSTRUCTION MOVNTDQ
3037 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3038 (EMIT-BYTE SEGMENT
15)
3039 (EMIT-BYTE SEGMENT
231)
3040 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3042 (DEFINE-INSTRUCTION MOVNTPD
3044 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3045 (EMIT-BYTE SEGMENT
15)
3046 (EMIT-BYTE SEGMENT
43)
3047 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3049 (DEFINE-INSTRUCTION MOVNTPS
3051 (:EMITTER
(EMIT-BYTE SEGMENT
15)
3052 (EMIT-BYTE SEGMENT
43)
3053 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3055 (DEFINE-INSTRUCTION MOVSHDUP
3057 (:EMITTER
(EMIT-BYTE SEGMENT
243)
3058 (EMIT-BYTE SEGMENT
15)
3059 (EMIT-BYTE SEGMENT
22)
3060 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3062 (DEFINE-INSTRUCTION MOVSLDUP
3064 (:EMITTER
(EMIT-BYTE SEGMENT
243)
3065 (EMIT-BYTE SEGMENT
15)
3066 (EMIT-BYTE SEGMENT
18)
3067 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))))
3069 (DEFINE-INSTRUCTION PEXTRW
3070 (SEGMENT DST SRC BYTE
)
3071 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3072 (EMIT-BYTE SEGMENT
15)
3073 (EMIT-BYTE SEGMENT
197)
3074 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3075 (EMIT-SIZED-IMMEDIATE SEGMENT
:BYTE BYTE
)))
3077 (DEFINE-INSTRUCTION PINSRW
3078 (SEGMENT DST SRC BYTE
)
3079 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3080 (EMIT-BYTE SEGMENT
15)
3081 (EMIT-BYTE SEGMENT
196)
3082 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3083 (EMIT-SIZED-IMMEDIATE SEGMENT
:BYTE BYTE
)))
3085 (DEFINE-INSTRUCTION PSHUFD
3086 (SEGMENT DST SRC BYTE
)
3087 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3088 (EMIT-BYTE SEGMENT
15)
3089 (EMIT-BYTE SEGMENT
112)
3090 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3091 (EMIT-SIZED-IMMEDIATE SEGMENT
:BYTE BYTE
)))
3093 (DEFINE-INSTRUCTION PSHUFHW
3094 (SEGMENT DST SRC BYTE
)
3095 (:EMITTER
(EMIT-BYTE SEGMENT
243)
3096 (EMIT-BYTE SEGMENT
15)
3097 (EMIT-BYTE SEGMENT
112)
3098 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3099 (EMIT-SIZED-IMMEDIATE SEGMENT
:BYTE BYTE
)))
3101 (DEFINE-INSTRUCTION PSHUFLW
3102 (SEGMENT DST SRC BYTE
)
3103 (:EMITTER
(EMIT-BYTE SEGMENT
242)
3104 (EMIT-BYTE SEGMENT
15)
3105 (EMIT-BYTE SEGMENT
112)
3106 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3107 (EMIT-SIZED-IMMEDIATE SEGMENT
:BYTE BYTE
)))
3109 (DEFINE-INSTRUCTION SHUFPD
3110 (SEGMENT DST SRC BYTE
)
3111 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3112 (EMIT-BYTE SEGMENT
15)
3113 (EMIT-BYTE SEGMENT
198)
3114 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3115 (EMIT-SIZED-IMMEDIATE SEGMENT
:BYTE BYTE
)))
3117 (DEFINE-INSTRUCTION SHUFPS
3118 (SEGMENT DST SRC BYTE
)
3119 (:EMITTER
(EMIT-BYTE SEGMENT
15)
3120 (EMIT-BYTE SEGMENT
198)
3121 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3122 (EMIT-SIZED-IMMEDIATE SEGMENT
:BYTE BYTE
)))
3124 (DEFINE-INSTRUCTION CMPPD
3125 (SEGMENT DST SRC COND
)
3126 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3127 (EMIT-BYTE SEGMENT
15)
3128 (EMIT-BYTE SEGMENT
194)
3129 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3130 (EMIT-SIZED-IMMEDIATE SEGMENT
3149 (DEFINE-INSTRUCTION CMPPS
3150 (SEGMENT DST SRC COND
)
3151 (:EMITTER
(EMIT-BYTE SEGMENT
15)
3152 (EMIT-BYTE SEGMENT
194)
3153 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3154 (EMIT-SIZED-IMMEDIATE SEGMENT
3173 (DEFINE-INSTRUCTION CMPSD
3174 (SEGMENT DST SRC COND
)
3175 (:EMITTER
(EMIT-BYTE SEGMENT
242)
3176 (EMIT-BYTE SEGMENT
15)
3177 (EMIT-BYTE SEGMENT
194)
3178 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3179 (EMIT-SIZED-IMMEDIATE SEGMENT
3198 (DEFINE-INSTRUCTION CMPSS
3199 (SEGMENT DST SRC COND
)
3200 (:EMITTER
(EMIT-BYTE SEGMENT
243)
3201 (EMIT-BYTE SEGMENT
15)
3202 (EMIT-BYTE SEGMENT
194)
3203 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
))
3204 (EMIT-SIZED-IMMEDIATE SEGMENT
3223 (DEFINE-INSTRUCTION MOVAPD
3227 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
102)
3228 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
40)
3229 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3230 (T (EMIT-BYTE SEGMENT
102)
3231 (EMIT-BYTE SEGMENT
15)
3232 (EMIT-BYTE SEGMENT
41)
3233 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3235 (DEFINE-INSTRUCTION MOVAPS
3239 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
15)
3240 (EMIT-BYTE SEGMENT
40)
3241 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3242 (T (EMIT-BYTE SEGMENT
15)
3243 (EMIT-BYTE SEGMENT
41)
3244 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3246 (DEFINE-INSTRUCTION MOVD
3250 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
102)
3251 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
110)
3252 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3253 (T (EMIT-BYTE SEGMENT
102)
3254 (EMIT-BYTE SEGMENT
15)
3255 (EMIT-BYTE SEGMENT
126)
3256 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3258 (DEFINE-INSTRUCTION MOVDQA
3262 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
102)
3263 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
111)
3264 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3265 (T (EMIT-BYTE SEGMENT
102)
3266 (EMIT-BYTE SEGMENT
15)
3267 (EMIT-BYTE SEGMENT
127)
3268 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3270 (DEFINE-INSTRUCTION MOVDQU
3274 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
243)
3275 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
111)
3276 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3277 (T (EMIT-BYTE SEGMENT
243)
3278 (EMIT-BYTE SEGMENT
15)
3279 (EMIT-BYTE SEGMENT
127)
3280 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3282 (DEFINE-INSTRUCTION MOVHPD
3286 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
102)
3287 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
22)
3288 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3289 (T (EMIT-BYTE SEGMENT
102)
3290 (EMIT-BYTE SEGMENT
15)
3291 (EMIT-BYTE SEGMENT
23)
3292 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3294 (DEFINE-INSTRUCTION MOVHPS
3298 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
15)
3299 (EMIT-BYTE SEGMENT
22)
3300 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3301 (T (EMIT-BYTE SEGMENT
15)
3302 (EMIT-BYTE SEGMENT
23)
3303 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3305 (DEFINE-INSTRUCTION MOVLPD
3309 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
102)
3310 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
18)
3311 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3312 (T (EMIT-BYTE SEGMENT
102)
3313 (EMIT-BYTE SEGMENT
15)
3314 (EMIT-BYTE SEGMENT
19)
3315 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3317 (DEFINE-INSTRUCTION MOVLPS
3321 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
15)
3322 (EMIT-BYTE SEGMENT
18)
3323 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3324 (T (EMIT-BYTE SEGMENT
15)
3325 (EMIT-BYTE SEGMENT
19)
3326 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3328 (DEFINE-INSTRUCTION MOVQ
3332 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
243)
3333 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
126)
3334 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3335 (T (EMIT-BYTE SEGMENT
102)
3336 (EMIT-BYTE SEGMENT
15)
3337 (EMIT-BYTE SEGMENT
214)
3338 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3340 (DEFINE-INSTRUCTION MOVSD
3344 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
242)
3345 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
16)
3346 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3347 (T (EMIT-BYTE SEGMENT
242)
3348 (EMIT-BYTE SEGMENT
15)
3349 (EMIT-BYTE SEGMENT
17)
3350 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3352 (DEFINE-INSTRUCTION MOVSS
3356 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
243)
3357 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
16)
3358 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3359 (T (EMIT-BYTE SEGMENT
243)
3360 (EMIT-BYTE SEGMENT
15)
3361 (EMIT-BYTE SEGMENT
17)
3362 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3364 (DEFINE-INSTRUCTION MOVUPD
3368 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
102)
3369 (EMIT-BYTE SEGMENT
15) (EMIT-BYTE SEGMENT
16)
3370 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3371 (T (EMIT-BYTE SEGMENT
102)
3372 (EMIT-BYTE SEGMENT
15)
3373 (EMIT-BYTE SEGMENT
17)
3374 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3376 (DEFINE-INSTRUCTION MOVUPS
3380 ((XMM-REGISTER-P DST
) (EMIT-BYTE SEGMENT
15)
3381 (EMIT-BYTE SEGMENT
16)
3382 (EMIT-EA SEGMENT SRC
(REG-TN-ENCODING DST
)))
3383 (T (EMIT-BYTE SEGMENT
15)
3384 (EMIT-BYTE SEGMENT
17)
3385 (EMIT-EA SEGMENT DST
(REG-TN-ENCODING SRC
))))))
3387 (DEFINE-INSTRUCTION PSLLD-IB
3388 (SEGMENT DST AMOUNT
)
3389 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3390 (EMIT-BYTE SEGMENT
15)
3391 (EMIT-BYTE SEGMENT
114)
3392 (EMIT-EA SEGMENT DST
6)
3393 (EMIT-BYTE SEGMENT AMOUNT
)))
3395 (DEFINE-INSTRUCTION PSLLDQ-IB
3396 (SEGMENT DST AMOUNT
)
3397 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3398 (EMIT-BYTE SEGMENT
15)
3399 (EMIT-BYTE SEGMENT
115)
3400 (EMIT-EA SEGMENT DST
7)
3401 (EMIT-BYTE SEGMENT AMOUNT
)))
3403 (DEFINE-INSTRUCTION PSLLQ-IB
3404 (SEGMENT DST AMOUNT
)
3405 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3406 (EMIT-BYTE SEGMENT
15)
3407 (EMIT-BYTE SEGMENT
115)
3408 (EMIT-EA SEGMENT DST
6)
3409 (EMIT-BYTE SEGMENT AMOUNT
)))
3411 (DEFINE-INSTRUCTION PSLLW-IB
3412 (SEGMENT DST AMOUNT
)
3413 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3414 (EMIT-BYTE SEGMENT
15)
3415 (EMIT-BYTE SEGMENT
113)
3416 (EMIT-EA SEGMENT DST
6)
3417 (EMIT-BYTE SEGMENT AMOUNT
)))
3419 (DEFINE-INSTRUCTION PSRAD-IB
3420 (SEGMENT DST AMOUNT
)
3421 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3422 (EMIT-BYTE SEGMENT
15)
3423 (EMIT-BYTE SEGMENT
114)
3424 (EMIT-EA SEGMENT DST
4)
3425 (EMIT-BYTE SEGMENT AMOUNT
)))
3427 (DEFINE-INSTRUCTION PSRAW-IB
3428 (SEGMENT DST AMOUNT
)
3429 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3430 (EMIT-BYTE SEGMENT
15)
3431 (EMIT-BYTE SEGMENT
113)
3432 (EMIT-EA SEGMENT DST
4)
3433 (EMIT-BYTE SEGMENT AMOUNT
)))
3435 (DEFINE-INSTRUCTION PSRLD-IB
3436 (SEGMENT DST AMOUNT
)
3437 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3438 (EMIT-BYTE SEGMENT
15)
3439 (EMIT-BYTE SEGMENT
114)
3440 (EMIT-EA SEGMENT DST
2)
3441 (EMIT-BYTE SEGMENT AMOUNT
)))
3443 (DEFINE-INSTRUCTION PSRLDQ-IB
3444 (SEGMENT DST AMOUNT
)
3445 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3446 (EMIT-BYTE SEGMENT
15)
3447 (EMIT-BYTE SEGMENT
115)
3448 (EMIT-EA SEGMENT DST
3)
3449 (EMIT-BYTE SEGMENT AMOUNT
)))
3451 (DEFINE-INSTRUCTION PSRLQ-IB
3452 (SEGMENT DST AMOUNT
)
3453 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3454 (EMIT-BYTE SEGMENT
15)
3455 (EMIT-BYTE SEGMENT
115)
3456 (EMIT-EA SEGMENT DST
2)
3457 (EMIT-BYTE SEGMENT AMOUNT
)))
3459 (DEFINE-INSTRUCTION PSRLW-IB
3460 (SEGMENT DST AMOUNT
)
3461 (:EMITTER
(EMIT-BYTE SEGMENT
102)
3462 (EMIT-BYTE SEGMENT
15)
3463 (EMIT-BYTE SEGMENT
113)
3464 (EMIT-EA SEGMENT DST
2)
3465 (EMIT-BYTE SEGMENT AMOUNT
)))
3472 (define-instruction cpuid
(segment)
3474 (emit-byte segment
#x0F
)
3475 (emit-byte segment
#xA2
)))
3480 ;;;; fp instructions
3482 ;;;; FIXME: This section said "added by jrd", which should end up in CREDITS.
3484 ;;;; Note: We treat the single-precision and double-precision variants
3485 ;;;; as separate instructions.
3487 ;;; Load single to st(0).
3488 (define-instruction fld
(segment source
)
3489 (:printer floating-point
((op '(#b001
#b000
))))
3491 (emit-byte segment
#b11011001
)
3492 (emit-fp-op segment source
#b000
)))
3494 ;;; Load double to st(0).
3495 (define-instruction fldd
(segment source
)
3496 (:printer floating-point
((op '(#b101
#b000
))))
3497 (:printer floating-point-fp
((op '(#b001
#b000
))))
3499 (if (fp-reg-tn-p source
)
3500 (emit-byte segment
#b11011001
)
3501 (emit-byte segment
#b11011101
))
3502 (emit-fp-op segment source
#b000
)))
3504 ;;; Load long to st(0).
3505 (define-instruction fldl
(segment source
)
3506 (:printer floating-point
((op '(#b011
#b101
))))
3508 (emit-byte segment
#b11011011
)
3509 (emit-fp-op segment source
#b101
)))
3511 ;;; Store single from st(0).
3512 (define-instruction fst
(segment dest
)
3513 (:printer floating-point
((op '(#b001
#b010
))))
3515 (cond ((fp-reg-tn-p dest
)
3516 (emit-byte segment
#b11011101
)
3517 (emit-fp-op segment dest
#b010
))
3519 (emit-byte segment
#b11011001
)
3520 (emit-fp-op segment dest
#b010
)))))
3522 ;;; Store double from st(0).
3523 (define-instruction fstd
(segment dest
)
3524 (:printer floating-point
((op '(#b101
#b010
))))
3525 (:printer floating-point-fp
((op '(#b101
#b010
))))
3527 (cond ((fp-reg-tn-p dest
)
3528 (emit-byte segment
#b11011101
)
3529 (emit-fp-op segment dest
#b010
))
3531 (emit-byte segment
#b11011101
)
3532 (emit-fp-op segment dest
#b010
)))))
3534 ;;; Arithmetic ops are all done with at least one operand at top of
3535 ;;; stack. The other operand is is another register or a 32/64 bit
3538 ;;; dtc: I've tried to follow the Intel ASM386 conventions, but note
3539 ;;; that these conflict with the Gdb conventions for binops. To reduce
3540 ;;; the confusion I've added comments showing the mathamatical
3541 ;;; operation and the two syntaxes. By the ASM386 convention the
3542 ;;; instruction syntax is:
3545 ;;; or Fop Destination, Source
3547 ;;; If only one operand is given then it is the source and the
3548 ;;; destination is ST(0). There are reversed forms of the fsub and
3549 ;;; fdiv instructions inducated by an 'R' suffix.
3551 ;;; The mathematical operation for the non-reverse form is always:
3552 ;;; destination = destination op source
3554 ;;; For the reversed form it is:
3555 ;;; destination = source op destination
3557 ;;; The instructions below only accept one operand at present which is
3558 ;;; usually the source. I've hack in extra instructions to implement
3559 ;;; the fops with a ST(i) destination, these have a -sti suffix and
3560 ;;; the operand is the destination with the source being ST(0).
3563 ;;; st(0) = st(0) + memory or st(i).
3564 (define-instruction fadd
(segment source
)
3565 (:printer floating-point
((op '(#b000
#b000
))))
3567 (emit-byte segment
#b11011000
)
3568 (emit-fp-op segment source
#b000
)))
3571 ;;; st(0) = st(0) + memory or st(i).
3572 (define-instruction faddd
(segment source
)
3573 (:printer floating-point
((op '(#b100
#b000
))))
3574 (:printer floating-point-fp
((op '(#b000
#b000
))))
3576 (if (fp-reg-tn-p source
)
3577 (emit-byte segment
#b11011000
)
3578 (emit-byte segment
#b11011100
))
3579 (emit-fp-op segment source
#b000
)))
3581 ;;; Add double destination st(i):
3582 ;;; st(i) = st(0) + st(i).
3583 (define-instruction fadd-sti
(segment destination
)
3584 (:printer floating-point-fp
((op '(#b100
#b000
))))
3586 (aver (fp-reg-tn-p destination
))
3587 (emit-byte segment
#b11011100
)
3588 (emit-fp-op segment destination
#b000
)))
3590 (define-instruction faddp-sti
(segment destination
)
3591 (:printer floating-point-fp
((op '(#b110
#b000
))))
3593 (aver (fp-reg-tn-p destination
))
3594 (emit-byte segment
#b11011110
)
3595 (emit-fp-op segment destination
#b000
)))
3597 ;;; Subtract single:
3598 ;;; st(0) = st(0) - memory or st(i).
3599 (define-instruction fsub
(segment source
)
3600 (:printer floating-point
((op '(#b000
#b100
))))
3602 (emit-byte segment
#b11011000
)
3603 (emit-fp-op segment source
#b100
)))
3605 ;;; Subtract single, reverse:
3606 ;;; st(0) = memory or st(i) - st(0).
3607 (define-instruction fsubr
(segment source
)
3608 (:printer floating-point
((op '(#b000
#b101
))))
3610 (emit-byte segment
#b11011000
)
3611 (emit-fp-op segment source
#b101
)))
3613 ;;; Subtract double:
3614 ;;; st(0) = st(0) - memory or st(i).
3615 (define-instruction fsubd
(segment source
)
3616 (:printer floating-point
((op '(#b100
#b100
))))
3617 (:printer floating-point-fp
((op '(#b000
#b100
))))
3619 (if (fp-reg-tn-p source
)
3620 (emit-byte segment
#b11011000
)
3621 (emit-byte segment
#b11011100
))
3622 (emit-fp-op segment source
#b100
)))
3624 ;;; Subtract double, reverse:
3625 ;;; st(0) = memory or st(i) - st(0).
3626 (define-instruction fsubrd
(segment source
)
3627 (:printer floating-point
((op '(#b100
#b101
))))
3628 (:printer floating-point-fp
((op '(#b000
#b101
))))
3630 (if (fp-reg-tn-p source
)
3631 (emit-byte segment
#b11011000
)
3632 (emit-byte segment
#b11011100
))
3633 (emit-fp-op segment source
#b101
)))
3635 ;;; Subtract double, destination st(i):
3636 ;;; st(i) = st(i) - st(0).
3638 ;;; ASM386 syntax: FSUB ST(i), ST
3639 ;;; Gdb syntax: fsubr %st,%st(i)
3640 (define-instruction fsub-sti
(segment destination
)
3641 (:printer floating-point-fp
((op '(#b100
#b101
))))
3643 (aver (fp-reg-tn-p destination
))
3644 (emit-byte segment
#b11011100
)
3645 (emit-fp-op segment destination
#b101
)))
3647 (define-instruction fsubp-sti
(segment destination
)
3648 (:printer floating-point-fp
((op '(#b110
#b101
))))
3650 (aver (fp-reg-tn-p destination
))
3651 (emit-byte segment
#b11011110
)
3652 (emit-fp-op segment destination
#b101
)))
3654 ;;; Subtract double, reverse, destination st(i):
3655 ;;; st(i) = st(0) - st(i).
3657 ;;; ASM386 syntax: FSUBR ST(i), ST
3658 ;;; Gdb syntax: fsub %st,%st(i)
3659 (define-instruction fsubr-sti
(segment destination
)
3660 (:printer floating-point-fp
((op '(#b100
#b100
))))
3662 (aver (fp-reg-tn-p destination
))
3663 (emit-byte segment
#b11011100
)
3664 (emit-fp-op segment destination
#b100
)))
3666 (define-instruction fsubrp-sti
(segment destination
)
3667 (:printer floating-point-fp
((op '(#b110
#b100
))))
3669 (aver (fp-reg-tn-p destination
))
3670 (emit-byte segment
#b11011110
)
3671 (emit-fp-op segment destination
#b100
)))
3673 ;;; Multiply single:
3674 ;;; st(0) = st(0) * memory or st(i).
3675 (define-instruction fmul
(segment source
)
3676 (:printer floating-point
((op '(#b000
#b001
))))
3678 (emit-byte segment
#b11011000
)
3679 (emit-fp-op segment source
#b001
)))
3681 ;;; Multiply double:
3682 ;;; st(0) = st(0) * memory or st(i).
3683 (define-instruction fmuld
(segment source
)
3684 (:printer floating-point
((op '(#b100
#b001
))))
3685 (:printer floating-point-fp
((op '(#b000
#b001
))))
3687 (if (fp-reg-tn-p source
)
3688 (emit-byte segment
#b11011000
)
3689 (emit-byte segment
#b11011100
))
3690 (emit-fp-op segment source
#b001
)))
3692 ;;; Multiply double, destination st(i):
3693 ;;; st(i) = st(i) * st(0).
3694 (define-instruction fmul-sti
(segment destination
)
3695 (:printer floating-point-fp
((op '(#b100
#b001
))))
3697 (aver (fp-reg-tn-p destination
))
3698 (emit-byte segment
#b11011100
)
3699 (emit-fp-op segment destination
#b001
)))
3702 ;;; st(0) = st(0) / memory or st(i).
3703 (define-instruction fdiv
(segment source
)
3704 (:printer floating-point
((op '(#b000
#b110
))))
3706 (emit-byte segment
#b11011000
)
3707 (emit-fp-op segment source
#b110
)))
3709 ;;; Divide single, reverse:
3710 ;;; st(0) = memory or st(i) / st(0).
3711 (define-instruction fdivr
(segment source
)
3712 (:printer floating-point
((op '(#b000
#b111
))))
3714 (emit-byte segment
#b11011000
)
3715 (emit-fp-op segment source
#b111
)))
3718 ;;; st(0) = st(0) / memory or st(i).
3719 (define-instruction fdivd
(segment source
)
3720 (:printer floating-point
((op '(#b100
#b110
))))
3721 (:printer floating-point-fp
((op '(#b000
#b110
))))
3723 (if (fp-reg-tn-p source
)
3724 (emit-byte segment
#b11011000
)
3725 (emit-byte segment
#b11011100
))
3726 (emit-fp-op segment source
#b110
)))
3728 ;;; Divide double, reverse:
3729 ;;; st(0) = memory or st(i) / st(0).
3730 (define-instruction fdivrd
(segment source
)
3731 (:printer floating-point
((op '(#b100
#b111
))))
3732 (:printer floating-point-fp
((op '(#b000
#b111
))))
3734 (if (fp-reg-tn-p source
)
3735 (emit-byte segment
#b11011000
)
3736 (emit-byte segment
#b11011100
))
3737 (emit-fp-op segment source
#b111
)))
3739 ;;; Divide double, destination st(i):
3740 ;;; st(i) = st(i) / st(0).
3742 ;;; ASM386 syntax: FDIV ST(i), ST
3743 ;;; Gdb syntax: fdivr %st,%st(i)
3744 (define-instruction fdiv-sti
(segment destination
)
3745 (:printer floating-point-fp
((op '(#b100
#b111
))))
3747 (aver (fp-reg-tn-p destination
))
3748 (emit-byte segment
#b11011100
)
3749 (emit-fp-op segment destination
#b111
)))
3751 ;;; Divide double, reverse, destination st(i):
3752 ;;; st(i) = st(0) / st(i).
3754 ;;; ASM386 syntax: FDIVR ST(i), ST
3755 ;;; Gdb syntax: fdiv %st,%st(i)
3756 (define-instruction fdivr-sti
(segment destination
)
3757 (:printer floating-point-fp
((op '(#b100
#b110
))))
3759 (aver (fp-reg-tn-p destination
))
3760 (emit-byte segment
#b11011100
)
3761 (emit-fp-op segment destination
#b110
)))
3763 ;;; Exchange fr0 with fr(n). (There is no double precision variant.)
3764 (define-instruction fxch
(segment source
)
3765 (:printer floating-point-fp
((op '(#b001
#b001
))))
3767 (unless (and (tn-p source
)
3768 (eq (sb-name (sc-sb (tn-sc source
))) 'float-registers
))
3770 (emit-byte segment
#b11011001
)
3771 (emit-fp-op segment source
#b001
)))
3773 ;;; Push 32-bit integer to st0.
3774 (define-instruction fild
(segment source
)
3775 (:printer floating-point
((op '(#b011
#b000
))))
3777 (emit-byte segment
#b11011011
)
3778 (emit-fp-op segment source
#b000
)))
3780 ;;; Push 64-bit integer to st0.
3781 (define-instruction fildl
(segment source
)
3782 (:printer floating-point
((op '(#b111
#b101
))))
3784 (emit-byte segment
#b11011111
)
3785 (emit-fp-op segment source
#b101
)))
3787 ;;; Store 32-bit integer.
3788 (define-instruction fist
(segment dest
)
3789 (:printer floating-point
((op '(#b011
#b010
))))
3791 (emit-byte segment
#b11011011
)
3792 (emit-fp-op segment dest
#b010
)))
3794 ;;; Store and pop 32-bit integer.
3795 (define-instruction fistp
(segment dest
)
3796 (:printer floating-point
((op '(#b011
#b011
))))
3798 (emit-byte segment
#b11011011
)
3799 (emit-fp-op segment dest
#b011
)))
3801 ;;; Store and pop 64-bit integer.
3802 (define-instruction fistpl
(segment dest
)
3803 (:printer floating-point
((op '(#b111
#b111
))))
3805 (emit-byte segment
#b11011111
)
3806 (emit-fp-op segment dest
#b111
)))
3808 ;;; Store single from st(0) and pop.
3809 (define-instruction fstp
(segment dest
)
3810 (:printer floating-point
((op '(#b001
#b011
))))
3812 (cond ((fp-reg-tn-p dest
)
3813 (emit-byte segment
#b11011101
)
3814 (emit-fp-op segment dest
#b011
))
3816 (emit-byte segment
#b11011001
)
3817 (emit-fp-op segment dest
#b011
)))))
3819 ;;; Store double from st(0) and pop.
3820 (define-instruction fstpd
(segment dest
)
3821 (:printer floating-point
((op '(#b101
#b011
))))
3822 (:printer floating-point-fp
((op '(#b101
#b011
))))
3824 (cond ((fp-reg-tn-p dest
)
3825 (emit-byte segment
#b11011101
)
3826 (emit-fp-op segment dest
#b011
))
3828 (emit-byte segment
#b11011101
)
3829 (emit-fp-op segment dest
#b011
)))))
3831 ;;; Store long from st(0) and pop.
3832 (define-instruction fstpl
(segment dest
)
3833 (:printer floating-point
((op '(#b011
#b111
))))
3835 (emit-byte segment
#b11011011
)
3836 (emit-fp-op segment dest
#b111
)))
3838 ;;; Decrement stack-top pointer.
3839 (define-instruction fdecstp
(segment)
3840 (:printer floating-point-no
((op #b10110
)))
3842 (emit-byte segment
#b11011001
)
3843 (emit-byte segment
#b11110110
)))
3845 ;;; Increment stack-top pointer.
3846 (define-instruction fincstp
(segment)
3847 (:printer floating-point-no
((op #b10111
)))
3849 (emit-byte segment
#b11011001
)
3850 (emit-byte segment
#b11110111
)))
3852 ;;; Free fp register.
3853 (define-instruction ffree
(segment dest
)
3854 (:printer floating-point-fp
((op '(#b101
#b000
))))
3856 (emit-byte segment
#b11011101
)
3857 (emit-fp-op segment dest
#b000
)))
3859 (define-instruction fabs
(segment)
3860 (:printer floating-point-no
((op #b00001
)))
3862 (emit-byte segment
#b11011001
)
3863 (emit-byte segment
#b11100001
)))
3865 (define-instruction fchs
(segment)
3866 (:printer floating-point-no
((op #b00000
)))
3868 (emit-byte segment
#b11011001
)
3869 (emit-byte segment
#b11100000
)))
3871 (define-instruction frndint
(segment)
3872 (:printer floating-point-no
((op #b11100
)))
3874 (emit-byte segment
#b11011001
)
3875 (emit-byte segment
#b11111100
)))
3878 (define-instruction fninit
(segment)
3879 (:printer floating-point-5
((op #b00011
)))
3881 (emit-byte segment
#b11011011
)
3882 (emit-byte segment
#b11100011
)))
3884 ;;; Store Status Word to AX.
3885 (define-instruction fnstsw
(segment)
3886 (:printer floating-point-st
((op #b00000
)))
3888 (emit-byte segment
#b11011111
)
3889 (emit-byte segment
#b11100000
)))
3891 ;;; Load Control Word.
3893 ;;; src must be a memory location
3894 (define-instruction fldcw
(segment src
)
3895 (:printer floating-point
((op '(#b001
#b101
))))
3897 (emit-byte segment
#b11011001
)
3898 (emit-fp-op segment src
#b101
)))
3900 ;;; Store Control Word.
3901 (define-instruction fnstcw
(segment dst
)
3902 (:printer floating-point
((op '(#b001
#b111
))))
3904 (emit-byte segment
#b11011001
)
3905 (emit-fp-op segment dst
#b111
)))
3907 ;;; Store FP Environment.
3908 (define-instruction fstenv
(segment dst
)
3909 (:printer floating-point
((op '(#b001
#b110
))))
3911 (emit-byte segment
#b11011001
)
3912 (emit-fp-op segment dst
#b110
)))
3914 ;;; Restore FP Environment.
3915 (define-instruction fldenv
(segment src
)
3916 (:printer floating-point
((op '(#b001
#b100
))))
3918 (emit-byte segment
#b11011001
)
3919 (emit-fp-op segment src
#b100
)))
3922 (define-instruction fsave
(segment dst
)
3923 (:printer floating-point
((op '(#b101
#b110
))))
3925 (emit-byte segment
#b11011101
)
3926 (emit-fp-op segment dst
#b110
)))
3928 ;;; Restore FP State.
3929 (define-instruction frstor
(segment src
)
3930 (:printer floating-point
((op '(#b101
#b100
))))
3932 (emit-byte segment
#b11011101
)
3933 (emit-fp-op segment src
#b100
)))
3935 ;;; Clear exceptions.
3936 (define-instruction fnclex
(segment)
3937 (:printer floating-point-5
((op #b00010
)))
3939 (emit-byte segment
#b11011011
)
3940 (emit-byte segment
#b11100010
)))
3943 (define-instruction fcom
(segment src
)
3944 (:printer floating-point
((op '(#b000
#b010
))))
3946 (emit-byte segment
#b11011000
)
3947 (emit-fp-op segment src
#b010
)))
3949 (define-instruction fcomd
(segment src
)
3950 (:printer floating-point
((op '(#b100
#b010
))))
3951 (:printer floating-point-fp
((op '(#b000
#b010
))))
3953 (if (fp-reg-tn-p src
)
3954 (emit-byte segment
#b11011000
)
3955 (emit-byte segment
#b11011100
))
3956 (emit-fp-op segment src
#b010
)))
3958 ;;; Compare ST1 to ST0, popping the stack twice.
3959 (define-instruction fcompp
(segment)
3960 (:printer floating-point-3
((op '(#b110
#b011001
))))
3962 (emit-byte segment
#b11011110
)
3963 (emit-byte segment
#b11011001
)))
3965 ;;; unordered comparison
3966 (define-instruction fucom
(segment src
)
3967 (:printer floating-point-fp
((op '(#b101
#b100
))))
3969 (aver (fp-reg-tn-p src
))
3970 (emit-byte segment
#b11011101
)
3971 (emit-fp-op segment src
#b100
)))
3973 (define-instruction ftst
(segment)
3974 (:printer floating-point-no
((op #b00100
)))
3976 (emit-byte segment
#b11011001
)
3977 (emit-byte segment
#b11100100
)))
3981 (define-instruction fsqrt
(segment)
3982 (:printer floating-point-no
((op #b11010
)))
3984 (emit-byte segment
#b11011001
)
3985 (emit-byte segment
#b11111010
)))
3987 (define-instruction fscale
(segment)
3988 (:printer floating-point-no
((op #b11101
)))
3990 (emit-byte segment
#b11011001
)
3991 (emit-byte segment
#b11111101
)))
3993 (define-instruction fxtract
(segment)
3994 (:printer floating-point-no
((op #b10100
)))
3996 (emit-byte segment
#b11011001
)
3997 (emit-byte segment
#b11110100
)))
3999 (define-instruction fsin
(segment)
4000 (:printer floating-point-no
((op #b11110
)))
4002 (emit-byte segment
#b11011001
)
4003 (emit-byte segment
#b11111110
)))
4005 (define-instruction fcos
(segment)
4006 (:printer floating-point-no
((op #b11111
)))
4008 (emit-byte segment
#b11011001
)
4009 (emit-byte segment
#b11111111
)))
4011 (define-instruction fprem1
(segment)
4012 (:printer floating-point-no
((op #b10101
)))
4014 (emit-byte segment
#b11011001
)
4015 (emit-byte segment
#b11110101
)))
4017 (define-instruction fprem
(segment)
4018 (:printer floating-point-no
((op #b11000
)))
4020 (emit-byte segment
#b11011001
)
4021 (emit-byte segment
#b11111000
)))
4023 (define-instruction fxam
(segment)
4024 (:printer floating-point-no
((op #b00101
)))
4026 (emit-byte segment
#b11011001
)
4027 (emit-byte segment
#b11100101
)))
4029 ;;; These do push/pop to stack and need special handling
4030 ;;; in any VOPs that use them. See the book.
4032 ;;; st0 <- st1*log2(st0)
4033 (define-instruction fyl2x
(segment) ; pops stack
4034 (:printer floating-point-no
((op #b10001
)))
4036 (emit-byte segment
#b11011001
)
4037 (emit-byte segment
#b11110001
)))
4039 (define-instruction fyl2xp1
(segment)
4040 (:printer floating-point-no
((op #b11001
)))
4042 (emit-byte segment
#b11011001
)
4043 (emit-byte segment
#b11111001
)))
4045 (define-instruction f2xm1
(segment)
4046 (:printer floating-point-no
((op #b10000
)))
4048 (emit-byte segment
#b11011001
)
4049 (emit-byte segment
#b11110000
)))
4051 (define-instruction fptan
(segment) ; st(0) <- 1; st(1) <- tan
4052 (:printer floating-point-no
((op #b10010
)))
4054 (emit-byte segment
#b11011001
)
4055 (emit-byte segment
#b11110010
)))
4057 (define-instruction fpatan
(segment) ; POPS STACK
4058 (:printer floating-point-no
((op #b10011
)))
4060 (emit-byte segment
#b11011001
)
4061 (emit-byte segment
#b11110011
)))
4063 ;;;; loading constants
4065 (define-instruction fldz
(segment)
4066 (:printer floating-point-no
((op #b01110
)))
4068 (emit-byte segment
#b11011001
)
4069 (emit-byte segment
#b11101110
)))
4071 (define-instruction fld1
(segment)
4072 (:printer floating-point-no
((op #b01000
)))
4074 (emit-byte segment
#b11011001
)
4075 (emit-byte segment
#b11101000
)))
4077 (define-instruction fldpi
(segment)
4078 (:printer floating-point-no
((op #b01011
)))
4080 (emit-byte segment
#b11011001
)
4081 (emit-byte segment
#b11101011
)))
4083 (define-instruction fldl2t
(segment)
4084 (:printer floating-point-no
((op #b01001
)))
4086 (emit-byte segment
#b11011001
)
4087 (emit-byte segment
#b11101001
)))
4089 (define-instruction fldl2e
(segment)
4090 (:printer floating-point-no
((op #b01010
)))
4092 (emit-byte segment
#b11011001
)
4093 (emit-byte segment
#b11101010
)))
4095 (define-instruction fldlg2
(segment)
4096 (:printer floating-point-no
((op #b01100
)))
4098 (emit-byte segment
#b11011001
)
4099 (emit-byte segment
#b11101100
)))
4101 (define-instruction fldln2
(segment)
4102 (:printer floating-point-no
((op #b01101
)))
4104 (emit-byte segment
#b11011001
)
4105 (emit-byte segment
#b11101101
)))