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1 | (* Copyright (C) 1999-2008 Henry Cejtin, Matthew Fluet, Suresh |
2 | * Jagannathan, and Stephen Weeks. | |
3 | * Copyright (C) 1997-2000 NEC Research Institute. | |
4 | * | |
5 | * MLton is released under a BSD-style license. | |
6 | * See the file MLton-LICENSE for details. | |
7 | *) | |
8 | ||
9 | functor x86 (S: X86_STRUCTS): X86 = | |
10 | struct | |
11 | ||
12 | val tracerTop | |
13 | = fn s => Control.traceBatch (Control.Pass, s) | |
14 | (* | |
15 | = fn s => fn f => (Control.trace (Control.Pass, s) f, fn () => ()) | |
16 | *) | |
17 | val tracer | |
18 | = fn s => Control.traceBatch (Control.Detail, s) | |
19 | (* | |
20 | = fn s => fn f => (Control.trace (Control.Detail, s) f, fn () => ()) | |
21 | *) | |
22 | ||
23 | (* compensate for differences between | |
24 | * C-escape sequences and ASM-escape sequences | |
25 | *) | |
26 | val Char_escapeASM = fn #"\000" => "\\000" | |
27 | | #"\^G" => "\\007" | |
28 | | #"\^K" => "\\013" | |
29 | | #"?" => "?" | |
30 | | #"'" => "'" | |
31 | | c => Char.escapeC c | |
32 | fun String_escapeASM s = String.translate(s, Char_escapeASM) | |
33 | ||
34 | val rec lexical | |
35 | = fn [] => EQUAL | |
36 | | thunk::tl => let | |
37 | val ord = thunk () | |
38 | in | |
39 | if Relation.equals(ord, EQUAL) | |
40 | then lexical tl | |
41 | else ord | |
42 | end | |
43 | ||
44 | ||
45 | open S | |
46 | ||
47 | structure Label = | |
48 | struct | |
49 | open Label | |
50 | ||
51 | fun toString l = | |
52 | if !Control.labelsHaveExtra_ | |
53 | then concat ["_", Label.toString l] | |
54 | else Label.toString l | |
55 | ||
56 | val layout = Layout.str o toString | |
57 | end | |
58 | ||
59 | structure Size = | |
60 | struct | |
61 | datatype class = INT | FLT | FPI | |
62 | ||
63 | datatype t | |
64 | = BYTE | WORD | LONG | |
65 | | SNGL | DBLE | EXTD | |
66 | | FPIS | FPIL | FPIQ | |
67 | ||
68 | val layout | |
69 | = let | |
70 | open Layout | |
71 | in | |
72 | fn BYTE => str "b" | |
73 | | WORD => str "w" | |
74 | | LONG => str "l" | |
75 | | SNGL => str "S" | |
76 | | DBLE => str "L" | |
77 | | EXTD => str "T" | |
78 | | FPIS => str "s" | |
79 | | FPIL => str "l" | |
80 | | FPIQ => str "q" | |
81 | end | |
82 | val toString = Layout.toString o layout | |
83 | ||
84 | val fromBytes : int -> t | |
85 | = fn 1 => BYTE | |
86 | | 2 => WORD | |
87 | | 4 => LONG | |
88 | | _ => Error.bug "x86.Size.fromBytes" | |
89 | val toBytes : t -> int | |
90 | = fn BYTE => 1 | |
91 | | WORD => 2 | |
92 | | LONG => 4 | |
93 | | SNGL => 4 | |
94 | | DBLE => 8 | |
95 | | EXTD => 10 | |
96 | | FPIS => 2 | |
97 | | FPIL => 4 | |
98 | | FPIQ => 8 | |
99 | ||
100 | local | |
101 | datatype z = datatype CType.t | |
102 | in | |
103 | fun fromCType t = | |
104 | case t of | |
105 | CPointer => Vector.new1 LONG | |
106 | | Int8 => Vector.new1 BYTE | |
107 | | Int16 => Vector.new1 WORD | |
108 | | Int32 => Vector.new1 LONG | |
109 | | Int64 => Vector.new2 (LONG, LONG) | |
110 | | Objptr => Vector.new1 LONG | |
111 | | Real32 => Vector.new1 SNGL | |
112 | | Real64 => Vector.new1 DBLE | |
113 | | Word8 => Vector.new1 BYTE | |
114 | | Word16 => Vector.new1 WORD | |
115 | | Word32 => Vector.new1 LONG | |
116 | | Word64 => Vector.new2 (LONG, LONG) | |
117 | end | |
118 | ||
119 | val class | |
120 | = fn BYTE => INT | |
121 | | WORD => INT | |
122 | | LONG => INT | |
123 | | SNGL => FLT | |
124 | | DBLE => FLT | |
125 | | EXTD => FLT | |
126 | | FPIS => FPI | |
127 | | FPIL => FPI | |
128 | | FPIQ => FPI | |
129 | ||
130 | val toFPI | |
131 | = fn WORD => FPIS | |
132 | | LONG => FPIL | |
133 | | FPIS => FPIS | |
134 | | FPIL => FPIL | |
135 | | FPIQ => FPIQ | |
136 | | _ => Error.bug "x86.Size.toFPI" | |
137 | ||
138 | val eq = fn (s1, s2) => s1 = s2 | |
139 | val lt = fn (s1, s2) => (toBytes s1) < (toBytes s2) | |
140 | end | |
141 | ||
142 | structure Register = | |
143 | struct | |
144 | ||
145 | datatype reg | |
146 | = EAX | EBX | ECX | EDX | EDI | ESI | EBP | ESP | |
147 | val allReg = [EAX, EBX, ECX, EDX, EDI, ESI, EBP, ESP] | |
148 | ||
149 | datatype part | |
150 | = E | X | L | H | |
151 | ||
152 | datatype t = T of {reg: reg, part: part} | |
153 | ||
154 | fun size (T {part, ...}) | |
155 | = case part | |
156 | of E => Size.LONG | |
157 | | X => Size.WORD | |
158 | | L => Size.BYTE | |
159 | | H => Size.BYTE | |
160 | ||
161 | fun layout (T {reg, part}) | |
162 | = let | |
163 | open Layout | |
164 | val {prefix, suffix} | |
165 | = case part | |
166 | of E => {prefix = str "%e", suffix = str "x"} | |
167 | | X => {prefix = str "%", suffix = str "x"} | |
168 | | L => {prefix = str "%", suffix = str "l"} | |
169 | | H => {prefix = str "%", suffix = str "h"} | |
170 | in | |
171 | case reg | |
172 | of EAX => seq [prefix, str "a", suffix] | |
173 | | EBX => seq [prefix, str "b", suffix] | |
174 | | ECX => seq [prefix, str "c", suffix] | |
175 | | EDX => seq [prefix, str "d", suffix] | |
176 | | EDI => seq [prefix, str "di"] | |
177 | | ESI => seq [prefix, str "si"] | |
178 | | EBP => seq [prefix, str "bp"] | |
179 | | ESP => seq [prefix, str "sp"] | |
180 | end | |
181 | val toString = Layout.toString o layout | |
182 | ||
183 | fun eq(T r1, T r2) = r1 = r2 | |
184 | ||
185 | val eax = T {reg = EAX, part = E} | |
186 | val ebx = T {reg = EBX, part = E} | |
187 | val ecx = T {reg = ECX, part = E} | |
188 | val edx = T {reg = EDX, part = E} | |
189 | val ax = T {reg= EAX, part = X} | |
190 | val al = T {reg = EAX, part = L} | |
191 | val bl = T {reg = EBX, part = L} | |
192 | val cl = T {reg = ECX, part = L} | |
193 | val dl = T {reg = EDX, part = L} | |
194 | val edi = T {reg = EDI, part = E} | |
195 | val esi = T {reg = ESI, part = E} | |
196 | val esp = T {reg = ESP, part = E} | |
197 | val ebp = T {reg = EBP, part = E} | |
198 | ||
199 | val byteRegisters = [T {reg = EAX, part = L}, | |
200 | T {reg = EAX, part = H}, | |
201 | T {reg = EBX, part = L}, | |
202 | T {reg = EBX, part = H}, | |
203 | T {reg = ECX, part = L}, | |
204 | T {reg = ECX, part = H}, | |
205 | T {reg = EDX, part = L}, | |
206 | T {reg = EDX, part = H}] | |
207 | val byteRegisters = List.rev byteRegisters | |
208 | ||
209 | val wordRegisters = [T {reg = EAX, part = X}, | |
210 | T {reg = EBX, part = X}, | |
211 | T {reg = ECX, part = X}, | |
212 | T {reg = EDX, part = X}, | |
213 | T {reg = EDI, part = X}, | |
214 | T {reg = ESI, part = X}, | |
215 | T {reg = EBP, part = X}, | |
216 | T {reg = ESP, part = X}] | |
217 | val wordRegisters = List.rev wordRegisters | |
218 | ||
219 | val longRegisters = [T {reg = EAX, part = E}, | |
220 | T {reg = EBX, part = E}, | |
221 | T {reg = ECX, part = E}, | |
222 | T {reg = EDX, part = E}, | |
223 | T {reg = EDI, part = E}, | |
224 | T {reg = ESI, part = E}, | |
225 | T {reg = EBP, part = E}, | |
226 | T {reg = ESP, part = E}] | |
227 | val longRegisters = List.rev longRegisters | |
228 | ||
229 | val all = List.concat [byteRegisters, wordRegisters, longRegisters] | |
230 | ||
231 | fun valid r = List.contains(all, r, eq) | |
232 | ||
233 | val contains | |
234 | = fn (E, E) => true | (E, X) => true | (E, L) => true | (E, H) => true | |
235 | | (X, X) => true | (X, L) => true | (X, H) => true | |
236 | | (L, L) => true | |
237 | | (H, H) => true | |
238 | | _ => false | |
239 | ||
240 | fun coincide (T {reg = reg1, part = part1}, | |
241 | T {reg = reg2, part = part2}) | |
242 | = reg1 = reg2 andalso (contains(part1,part2) orelse | |
243 | contains(part2,part1)) | |
244 | ||
245 | fun coincident' reg | |
246 | = List.keepAllMap([E, X, L, H], | |
247 | fn part | |
248 | => let | |
249 | val register' = T {reg = reg, part = part} | |
250 | in | |
251 | if valid register' andalso | |
252 | coincide(T {reg = reg, part = E}, register') | |
253 | then SOME register' | |
254 | else NONE | |
255 | end) | |
256 | ||
257 | val registers | |
258 | = fn Size.BYTE => byteRegisters | |
259 | | Size.WORD => wordRegisters | |
260 | | Size.LONG => longRegisters | |
261 | | _ => Error.bug "x86.Register.registers" | |
262 | ||
263 | val baseRegisters = longRegisters | |
264 | val indexRegisters = [T {reg = EAX, part = E}, | |
265 | T {reg = EBX, part = E}, | |
266 | T {reg = ECX, part = E}, | |
267 | T {reg = EDX, part = E}, | |
268 | T {reg = EDI, part = E}, | |
269 | T {reg = ESI, part = E}, | |
270 | T {reg = EBP, part = E}] | |
271 | ||
272 | val callerSaveRegisters = [T {reg = EAX, part = E}, | |
273 | T {reg = EAX, part = X}, | |
274 | T {reg = EAX, part = L}, | |
275 | T {reg = EAX, part = H}, | |
276 | T {reg = ECX, part = E}, | |
277 | T {reg = ECX, part = X}, | |
278 | T {reg = ECX, part = L}, | |
279 | T {reg = ECX, part = H}, | |
280 | T {reg = EDX, part = E}, | |
281 | T {reg = EDX, part = X}, | |
282 | T {reg = EDX, part = L}, | |
283 | T {reg = EDX, part = H}] | |
284 | val calleeSaveRegisters = [T {reg = EBX, part = E}, | |
285 | T {reg = EBX, part = X}, | |
286 | T {reg = EBX, part = L}, | |
287 | T {reg = EBX, part = H}, | |
288 | T {reg = EDI, part = E}, | |
289 | T {reg = EDI, part = X}, | |
290 | T {reg = ESI, part = E}, | |
291 | T {reg = ESI, part = X}] | |
292 | ||
293 | val withLowPart (* (fullsize,lowsize) *) | |
294 | = fn (Size.WORD,Size.BYTE) => [T {reg = EAX, part = X}, | |
295 | T {reg = EBX, part = X}, | |
296 | T {reg = ECX, part = X}, | |
297 | T {reg = EDX, part = X}] | |
298 | | (Size.LONG,Size.BYTE) => [T {reg = EAX, part = E}, | |
299 | T {reg = EBX, part = E}, | |
300 | T {reg = ECX, part = E}, | |
301 | T {reg = EDX, part = E}] | |
302 | | (Size.LONG,Size.WORD) => longRegisters | |
303 | | _ => Error.bug "x86.Register.withLowPart: fullsize,lowsize" | |
304 | ||
305 | val lowPartOf (* (register,lowsize) *) | |
306 | = fn (T {reg, part = L},Size.BYTE) => T {reg = reg, part = L} | |
307 | | (T {reg, part = H},Size.BYTE) => T {reg = reg, part = H} | |
308 | | (T {reg = EAX, ...}, Size.BYTE) => T {reg = EAX, part = L} | |
309 | | (T {reg = EBX, ...}, Size.BYTE) => T {reg = EBX, part = L} | |
310 | | (T {reg = ECX, ...}, Size.BYTE) => T {reg = ECX, part = L} | |
311 | | (T {reg = EDX, ...}, Size.BYTE) => T {reg = EDX, part = L} | |
312 | | (T {reg, part = X},Size.WORD) => T {reg = reg, part = X} | |
313 | | (T {reg, ...}, Size.WORD) => T {reg = reg, part = X} | |
314 | | _ => Error.bug "x86.Register.lowPartOf: register,lowsize" | |
315 | end | |
316 | ||
317 | structure FltRegister = | |
318 | struct | |
319 | datatype t = T of int | |
320 | ||
321 | fun layout (T i) | |
322 | = let | |
323 | open Layout | |
324 | in if i = 0 | |
325 | then str "%st" | |
326 | else seq [str "%st", paren (Int.layout i)] | |
327 | end | |
328 | val toString = Layout.toString o layout | |
329 | ||
330 | fun eq (T f1, T f2) = f1 = f2 | |
331 | ||
332 | fun push (T i) = T (i + 1) | |
333 | fun pop (T i) = T (i - 1) | |
334 | fun id (T i) = T i | |
335 | ||
336 | (* | |
337 | val return = T 0 | |
338 | *) | |
339 | val top = T 0 | |
340 | val one = T 1 | |
341 | val total = 8 : int | |
342 | end | |
343 | ||
344 | structure Immediate = | |
345 | struct | |
346 | datatype u | |
347 | = Word of WordX.t | |
348 | | Label of Label.t | |
349 | | LabelPlusWord of Label.t * WordX.t | |
350 | and t | |
351 | = T of {immediate: u, | |
352 | plist: PropertyList.t, | |
353 | hash: Word.t} | |
354 | ||
355 | local | |
356 | open Layout | |
357 | in | |
358 | val rec layoutU | |
359 | = fn Word w => WordX.layout w | |
360 | | Label l => Label.layout l | |
361 | | LabelPlusWord (l, w) | |
362 | => paren (seq [Label.layout l, str "+", WordX.layout w]) | |
363 | and layout | |
364 | = fn T {immediate, ...} => layoutU immediate | |
365 | end | |
366 | ||
367 | val rec eqU | |
368 | = fn (Word w1, Word w2) => WordX.equals (w1, w2) | |
369 | | (Label l1, Label l2) => Label.equals(l1, l2) | |
370 | | (LabelPlusWord (l1, w1), LabelPlusWord (l2,w2)) | |
371 | => Label.equals(l1,l2) andalso WordX.equals(w1, w2) | |
372 | | _ => false | |
373 | and eq | |
374 | = fn (T {plist = plist1, ...}, | |
375 | T {plist = plist2, ...}) | |
376 | => PropertyList.equals(plist1, plist2) | |
377 | ||
378 | local | |
379 | open WordX | |
380 | in | |
381 | val rec evalU | |
382 | = fn Word w => SOME w | |
383 | | Label _ => NONE | |
384 | | LabelPlusWord _ => NONE | |
385 | and eval | |
386 | = fn T {immediate, ...} => evalU immediate | |
387 | end | |
388 | ||
389 | val isZero = fn i => case eval i of SOME w => WordX.isZero w | _ => false | |
390 | ||
391 | local | |
392 | open Word | |
393 | in | |
394 | val rec hashU | |
395 | = fn Word w => WordX.hash w | |
396 | | Label l => Label.hash l | |
397 | | LabelPlusWord (l,w) | |
398 | => Word.xorb(0wx5555 * (Label.hash l), WordX.hash w) | |
399 | and hash | |
400 | = fn T {hash, ...} => hash | |
401 | end | |
402 | ||
403 | local | |
404 | val table: t HashSet.t ref = ref (HashSet.new {hash = hash}) | |
405 | in | |
406 | val construct | |
407 | = fn immediate | |
408 | => let | |
409 | val hash = hashU immediate | |
410 | in | |
411 | HashSet.lookupOrInsert | |
412 | (!table, | |
413 | hash, | |
414 | fn T {immediate = immediate', ...} | |
415 | => eqU(immediate', immediate), | |
416 | fn () => T {immediate = immediate, | |
417 | hash = hash, | |
418 | plist = PropertyList.new ()}) | |
419 | end | |
420 | ||
421 | val destruct | |
422 | = fn T {immediate, ...} => immediate | |
423 | ||
424 | fun clearAll () | |
425 | = HashSet.foreach | |
426 | (!table, fn T {immediate, plist, ...} => | |
427 | let in | |
428 | PropertyList.clear plist; | |
429 | case immediate | |
430 | of Word _ => () | |
431 | | Label l => Label.clear l | |
432 | | LabelPlusWord (l, _) => Label.clear l | |
433 | end) | |
434 | end | |
435 | ||
436 | val word = construct o Word | |
437 | val label = construct o Label | |
438 | val labelPlusWord = fn (l, w) => | |
439 | if WordSize.equals (WordX.size w, WordSize.word32) | |
440 | then construct (LabelPlusWord (l, w)) | |
441 | else Error.bug "x86.Immediate.labelPlusWord" | |
442 | ||
443 | val int' = fn (i, ws) => word (WordX.fromIntInf (IntInf.fromInt i, ws)) | |
444 | val int = fn i => int' (i, WordSize.word32) | |
445 | val zero = int 0 | |
446 | ||
447 | val labelPlusInt = fn (l, i) => | |
448 | labelPlusWord (l, WordX.fromIntInf (IntInf.fromInt i, WordSize.word32)) | |
449 | ||
450 | val deLabel | |
451 | = fn T {immediate = Label l, ...} => SOME l | |
452 | | _ => NONE | |
453 | end | |
454 | ||
455 | structure Scale = | |
456 | struct | |
457 | datatype t | |
458 | = One | Two | Four | Eight | |
459 | ||
460 | val layout | |
461 | = let | |
462 | open Layout | |
463 | in | |
464 | fn One => str "1" | |
465 | | Two => str "2" | |
466 | | Four => str "4" | |
467 | | Eight => str "8" | |
468 | end | |
469 | ||
470 | val fromBytes : int -> t | |
471 | = fn 1 => One | |
472 | | 2 => Two | |
473 | | 4 => Four | |
474 | | 8 => Eight | |
475 | | _ => Error.bug "x86.Scale.fromBytes" | |
476 | local | |
477 | datatype z = datatype CType.t | |
478 | in | |
479 | fun fromCType t = | |
480 | case t of | |
481 | CPointer => Four | |
482 | | Int8 => One | |
483 | | Int16 => Two | |
484 | | Int32 => Four | |
485 | | Int64 => Eight | |
486 | | Objptr => Four | |
487 | | Real32 => Four | |
488 | | Real64 => Eight | |
489 | | Word8 => One | |
490 | | Word16 => Two | |
491 | | Word32 => Four | |
492 | | Word64 => Eight | |
493 | end | |
494 | ||
495 | fun eq(s1, s2) = s1 = s2 | |
496 | ||
497 | val toWordX | |
498 | = fn One => WordX.fromIntInf (1, WordSize.word32) | |
499 | | Two => WordX.fromIntInf (2, WordSize.word32) | |
500 | | Four => WordX.fromIntInf (4, WordSize.word32) | |
501 | | Eight => WordX.fromIntInf (8, WordSize.word32) | |
502 | val toImmediate = Immediate.word o toWordX | |
503 | end | |
504 | ||
505 | structure Address = | |
506 | struct | |
507 | datatype t = T of {disp: Immediate.t option, | |
508 | base: Register.t option, | |
509 | index: Register.t option, | |
510 | scale: Scale.t option} | |
511 | ||
512 | fun layout (T {disp, base, index, scale}) | |
513 | = let | |
514 | open Layout | |
515 | in | |
516 | seq [case disp | |
517 | of NONE => empty | |
518 | | SOME disp => Immediate.layout disp, | |
519 | if (isSome base orelse isSome index) | |
520 | then paren (seq | |
521 | [case base | |
522 | of NONE => empty | |
523 | | SOME base | |
524 | => Register.layout base, | |
525 | case index | |
526 | of NONE => empty | |
527 | | SOME index | |
528 | => seq [str ",", Register.layout index], | |
529 | case scale | |
530 | of NONE => empty | |
531 | | SOME scale | |
532 | => seq [str ",", Scale.layout scale]]) | |
533 | else empty] | |
534 | end | |
535 | ||
536 | fun eq(T {disp = disp, base = base, index = index, scale = scale}, | |
537 | T {disp = disp', base = base', index = index', scale = scale'}) | |
538 | = (case (disp, disp') | |
539 | of (NONE, NONE) => true | |
540 | | (SOME disp, SOME disp') => Immediate.eq(disp, disp') | |
541 | | _ => false) andalso | |
542 | base = base' andalso | |
543 | index = index' andalso | |
544 | scale = scale' | |
545 | end | |
546 | ||
547 | structure MemLoc = | |
548 | struct | |
549 | structure Class = | |
550 | struct | |
551 | val counter = Counter.new 0 | |
552 | datatype t = T of {counter: int, | |
553 | name: string} | |
554 | ||
555 | fun layout (T {name, ...}) | |
556 | = let | |
557 | open Layout | |
558 | in | |
559 | str name | |
560 | end | |
561 | val toString = Layout.toString o layout | |
562 | ||
563 | fun new {name} | |
564 | = let | |
565 | val class = T {counter = Counter.next counter, | |
566 | name = name} | |
567 | in | |
568 | class | |
569 | end | |
570 | ||
571 | val eq | |
572 | = fn (T {counter = counter1, ...}, | |
573 | T {counter = counter2, ...}) | |
574 | => counter1 = counter2 | |
575 | val compare | |
576 | = fn (T {counter = counter1, ...}, | |
577 | T {counter = counter2, ...}) | |
578 | => Int.compare (counter1, counter2) | |
579 | val counter | |
580 | = fn (T {counter, ...}) => counter | |
581 | val mayAlias = eq | |
582 | ||
583 | val Temp = new {name = "Temp"} | |
584 | val StaticTemp = new {name = "StaticTemp"} | |
585 | val CStack = new {name = "CStack"} | |
586 | val Code = new {name = "Code"} | |
587 | end | |
588 | ||
589 | datatype u | |
590 | = U of {immBase: Immediate.t option, | |
591 | memBase: t option, | |
592 | immIndex: Immediate.t option, | |
593 | memIndex: t option, | |
594 | scale: Scale.t, | |
595 | size: Size.t, | |
596 | class: Class.t} | |
597 | and t | |
598 | = T of {memloc: u, | |
599 | hash: Word.t, | |
600 | plist: PropertyList.t, | |
601 | counter: Int.t, | |
602 | utilized: t list} | |
603 | ||
604 | local | |
605 | open Layout | |
606 | in | |
607 | val rec layoutImmMem | |
608 | = fn (NONE, NONE) => str "0" | |
609 | | (SOME imm, NONE) => Immediate.layout imm | |
610 | | (NONE, SOME mem) => layout mem | |
611 | | (SOME imm, SOME mem) => seq [Immediate.layout imm, | |
612 | str "+", | |
613 | layout mem] | |
614 | ||
615 | and layoutImmMemScale | |
616 | = fn (NONE, NONE, _) => str "0" | |
617 | | (SOME imm, NONE, _) => Immediate.layout imm | |
618 | | (NONE, SOME mem, scale) => seq [layout mem, | |
619 | str "*", | |
620 | Scale.layout scale] | |
621 | | (SOME imm, SOME mem, scale) => seq [Immediate.layout imm, | |
622 | str "+(", | |
623 | layout mem, | |
624 | str "*", | |
625 | Scale.layout scale, | |
626 | str ")"] | |
627 | and layoutU | |
628 | = fn U {immBase, memBase, | |
629 | immIndex, memIndex, | |
630 | scale, | |
631 | size, class} | |
632 | => seq [str "MEM<", | |
633 | Size.layout size, | |
634 | str ">{", | |
635 | Class.layout class, | |
636 | str "}[(", | |
637 | layoutImmMem (immBase, memBase), | |
638 | str ")+(", | |
639 | layoutImmMemScale (immIndex, memIndex, scale), | |
640 | str ")]"] | |
641 | and layout | |
642 | = fn T {memloc, ...} => layoutU memloc | |
643 | end | |
644 | val toString = Layout.toString o layout | |
645 | ||
646 | val rec hashImmMem | |
647 | = fn (NONE, NONE) => 0wx55555555 | |
648 | | (SOME imm, NONE) => Immediate.hash imm | |
649 | | (NONE, SOME mem) => hash mem | |
650 | | (SOME imm, SOME mem) | |
651 | => Word.xorb(0wx5555 * (Immediate.hash imm), hash mem) | |
652 | and hashU | |
653 | = fn U {immBase, memBase, immIndex, memIndex, ...} | |
654 | => let | |
655 | val hashBase = hashImmMem(immBase, memBase) | |
656 | val hashIndex = hashImmMem(immIndex, memIndex) | |
657 | in | |
658 | Word.xorb(0wx5555 * hashBase, hashIndex) | |
659 | end | |
660 | and hash | |
661 | = fn T {hash, ...} => hash | |
662 | ||
663 | val rec eqImm | |
664 | = fn (NONE, NONE) => true | |
665 | | (SOME imm1, SOME imm2) => Immediate.eq(imm1, imm2) | |
666 | | _ => false | |
667 | and eqMem | |
668 | = fn (NONE, NONE) => true | |
669 | | (SOME mem1, SOME mem2) => eq(mem1, mem2) | |
670 | | _ => false | |
671 | and eqU | |
672 | = fn (U {immBase = immBase1, memBase = memBase1, | |
673 | immIndex = immIndex1, memIndex = memIndex1, | |
674 | scale = scale1, size = size1, | |
675 | class = class1}, | |
676 | U {immBase = immBase2, memBase = memBase2, | |
677 | immIndex = immIndex2, memIndex = memIndex2, | |
678 | scale = scale2, size = size2, | |
679 | class = class2}) | |
680 | => Class.eq(class1, class2) andalso | |
681 | eqImm(immBase1, immBase2) andalso | |
682 | eqMem(memBase1, memBase2) andalso | |
683 | eqImm(immIndex1, immIndex2) andalso | |
684 | eqMem(memIndex1, memIndex2) andalso | |
685 | Scale.eq(scale1, scale2) andalso | |
686 | Size.eq(size1, size2) | |
687 | and eq | |
688 | = fn (T {plist = plist1, ...}, | |
689 | T {plist = plist2, ...}) | |
690 | => PropertyList.equals(plist1, plist2) | |
691 | ||
692 | val rec utilizedMem | |
693 | = fn NONE => [] | |
694 | | SOME m => m::(utilized m) | |
695 | and utilizedU | |
696 | = fn U {memBase, memIndex, ...} | |
697 | => (utilizedMem memBase) @ (utilizedMem memIndex) | |
698 | and utilized | |
699 | = fn T {utilized, ...} | |
700 | => utilized | |
701 | ||
702 | local | |
703 | val counter = Counter.new 0 | |
704 | val table: t HashSet.t ref = ref (HashSet.new {hash = hash}) | |
705 | in | |
706 | val construct | |
707 | = fn memloc | |
708 | => let | |
709 | val hash = hashU memloc | |
710 | in | |
711 | HashSet.lookupOrInsert | |
712 | (!table, | |
713 | hash, | |
714 | fn T {memloc = memloc', ...} => eqU(memloc', memloc), | |
715 | fn () => T {memloc = memloc, | |
716 | hash = hash, | |
717 | plist = PropertyList.new (), | |
718 | counter = Counter.next counter, | |
719 | utilized = utilizedU memloc}) | |
720 | end | |
721 | ||
722 | val destruct | |
723 | = fn T {memloc, ...} | |
724 | => memloc | |
725 | ||
726 | fun clearAll () | |
727 | = HashSet.foreach | |
728 | (!table, fn T {plist, ...} => | |
729 | let in | |
730 | PropertyList.clear plist | |
731 | end) | |
732 | end | |
733 | ||
734 | val rec mayAliasImmIndex | |
735 | = fn ({immIndex = immIndex1, size = size1}, | |
736 | {immIndex = immIndex2, size = size2}) | |
737 | => let | |
738 | val size1 = IntInf.fromInt (Size.toBytes size1) | |
739 | val size2 = IntInf.fromInt (Size.toBytes size2) | |
740 | in | |
741 | case (Immediate.eval (case immIndex1 | |
742 | of NONE => Immediate.zero | |
743 | | SOME immIndex => immIndex), | |
744 | Immediate.eval (case immIndex2 | |
745 | of NONE => Immediate.zero | |
746 | | SOME immIndex => immIndex)) | |
747 | of (SOME pos1, SOME pos2) | |
748 | => (let | |
749 | val pos1 = WordX.toIntInfX pos1 | |
750 | val pos2 = WordX.toIntInfX pos2 | |
751 | in | |
752 | if pos1 < pos2 | |
753 | then pos2 < (pos1 + size1) | |
754 | else pos1 < (pos2 + size2) | |
755 | end | |
756 | handle Overflow => false) | |
757 | | _ => true | |
758 | end | |
759 | and mayAliasU | |
760 | = fn (U {immBase = SOME immBase1, memBase = NONE, | |
761 | immIndex = immIndex1, memIndex = NONE, | |
762 | size = size1, ...}, | |
763 | U {immBase = SOME immBase2, memBase = NONE, | |
764 | immIndex = immIndex2, memIndex = NONE, | |
765 | size = size2, ...}) | |
766 | => Immediate.eq(immBase1, immBase2) | |
767 | andalso | |
768 | mayAliasImmIndex ({immIndex = immIndex1, | |
769 | size = size1}, | |
770 | {immIndex = immIndex2, | |
771 | size = size2}) | |
772 | | (U {immBase = SOME immBase1, memBase = NONE, | |
773 | immIndex = immIndex1, memIndex = SOME memIndex1, | |
774 | size = size1, ...}, | |
775 | U {immBase = SOME immBase2, memBase = NONE, | |
776 | immIndex = immIndex2, memIndex = SOME memIndex2, | |
777 | size = size2, ...}) | |
778 | => not (Immediate.eq(immBase1, immBase2)) | |
779 | andalso | |
780 | (not (eq(memIndex1, memIndex2)) | |
781 | orelse | |
782 | mayAliasImmIndex ({immIndex = immIndex1, | |
783 | size = size1}, | |
784 | {immIndex = immIndex2, | |
785 | size = size2})) | |
786 | | (U {immBase = NONE, memBase = SOME memBase1, | |
787 | immIndex = immIndex1, memIndex = NONE, | |
788 | size = size1, ...}, | |
789 | U {immBase = NONE, memBase = SOME memBase2, | |
790 | immIndex = immIndex2, memIndex = NONE, | |
791 | size = size2, ...}) | |
792 | => not (eq(memBase1, memBase2)) | |
793 | orelse | |
794 | mayAliasImmIndex ({immIndex = immIndex1, | |
795 | size = size1}, | |
796 | {immIndex = immIndex2, | |
797 | size = size2}) | |
798 | | (U {immBase = NONE, memBase = SOME memBase1, | |
799 | immIndex = immIndex1, memIndex = SOME memIndex1, | |
800 | size = size1, ...}, | |
801 | U {immBase = NONE, memBase = SOME memBase2, | |
802 | immIndex = immIndex2, memIndex = SOME memIndex2, | |
803 | size = size2, ...}) | |
804 | => not (eq(memBase1, memBase2)) | |
805 | orelse | |
806 | not (eq(memIndex1, memIndex2)) | |
807 | orelse | |
808 | mayAliasImmIndex ({immIndex = immIndex1, | |
809 | size = size1}, | |
810 | {immIndex = immIndex2, | |
811 | size = size2}) | |
812 | | _ => true | |
813 | and mayAlias | |
814 | = fn (T {memloc = memloc1 as U {class = class1, ...}, ...}, | |
815 | T {memloc = memloc2 as U {class = class2, ...}, ...}) | |
816 | => Class.mayAlias(class1, class2) andalso | |
817 | mayAliasU(memloc1, memloc2) | |
818 | ||
819 | val rec mayAliasOrdImmIndex | |
820 | = fn ({immIndex = immIndex1, size = size1}, | |
821 | {immIndex = immIndex2, size = size2}) | |
822 | => let | |
823 | val size1 = IntInf.fromInt (Size.toBytes size1) | |
824 | val size2 = IntInf.fromInt (Size.toBytes size2) | |
825 | in | |
826 | case (Immediate.eval (case immIndex1 | |
827 | of NONE => Immediate.zero | |
828 | | SOME immIndex => immIndex), | |
829 | Immediate.eval (case immIndex2 | |
830 | of NONE => Immediate.zero | |
831 | | SOME immIndex => immIndex)) | |
832 | of (SOME pos1, SOME pos2) | |
833 | => (let | |
834 | val pos1 = WordX.toIntInfX pos1 | |
835 | val pos2 = WordX.toIntInfX pos2 | |
836 | in | |
837 | if pos1 < pos2 | |
838 | then if pos2 < (pos1 + size1) | |
839 | then SOME LESS | |
840 | else NONE | |
841 | else if pos1 < (pos2 + size2) | |
842 | then SOME GREATER | |
843 | else NONE | |
844 | end | |
845 | handle Overflow => NONE) | |
846 | | _ => SOME EQUAL | |
847 | end | |
848 | and mayAliasOrdU | |
849 | = fn (U {immBase = SOME immBase1, memBase = NONE, | |
850 | immIndex = immIndex1, memIndex = NONE, | |
851 | size = size1, ...}, | |
852 | U {immBase = SOME immBase2, memBase = NONE, | |
853 | immIndex = immIndex2, memIndex = NONE, | |
854 | size = size2, ...}) | |
855 | => if Immediate.eq(immBase1, immBase2) | |
856 | then mayAliasOrdImmIndex ({immIndex = immIndex1, | |
857 | size = size1}, | |
858 | {immIndex = immIndex2, | |
859 | size = size2}) | |
860 | else NONE | |
861 | | (U {immBase = SOME immBase1, memBase = NONE, | |
862 | immIndex = immIndex1, memIndex = SOME memIndex1, | |
863 | size = size1, ...}, | |
864 | U {immBase = SOME immBase2, memBase = NONE, | |
865 | immIndex = immIndex2, memIndex = SOME memIndex2, | |
866 | size = size2, ...}) | |
867 | => if Immediate.eq(immBase1, immBase2) | |
868 | then if not (eq(memIndex1, memIndex2)) | |
869 | then SOME EQUAL | |
870 | else mayAliasOrdImmIndex ({immIndex = immIndex1, | |
871 | size = size1}, | |
872 | {immIndex = immIndex2, | |
873 | size = size2}) | |
874 | else NONE | |
875 | | (U {immBase = NONE, memBase = SOME memBase1, | |
876 | immIndex = immIndex1, memIndex = NONE, | |
877 | size = size1, ...}, | |
878 | U {immBase = NONE, memBase = SOME memBase2, | |
879 | immIndex = immIndex2, memIndex = NONE, | |
880 | size = size2, ...}) | |
881 | => if not (eq(memBase1, memBase2)) | |
882 | then SOME EQUAL | |
883 | else mayAliasOrdImmIndex ({immIndex = immIndex1, | |
884 | size = size1}, | |
885 | {immIndex = immIndex2, | |
886 | size = size2}) | |
887 | | (U {immBase = NONE, memBase = SOME memBase1, | |
888 | immIndex = immIndex1, memIndex = SOME memIndex1, | |
889 | size = size1, ...}, | |
890 | U {immBase = NONE, memBase = SOME memBase2, | |
891 | immIndex = immIndex2, memIndex = SOME memIndex2, | |
892 | size = size2, ...}) | |
893 | => if (not (eq(memBase1, memBase2)) | |
894 | orelse | |
895 | not (eq(memIndex1, memIndex2))) | |
896 | then SOME EQUAL | |
897 | else mayAliasOrdImmIndex ({immIndex = immIndex1, | |
898 | size = size1}, | |
899 | {immIndex = immIndex2, | |
900 | size = size2}) | |
901 | | _ => SOME EQUAL | |
902 | and mayAliasOrd | |
903 | = fn (T {memloc = memloc1 as U {class = class1, ...}, ...}, | |
904 | T {memloc = memloc2 as U {class = class2, ...}, ...}) | |
905 | => if Class.mayAlias(class1, class2) | |
906 | then mayAliasOrdU(memloc1, memloc2) | |
907 | else NONE | |
908 | ||
909 | val compare | |
910 | = fn (T {counter = counter1, ...}, | |
911 | T {counter = counter2, ...}) | |
912 | => Int.compare(counter1, counter2) | |
913 | ||
914 | fun replaceMem replacer | |
915 | = fn NONE => NONE | |
916 | | SOME mem => SOME (replace replacer mem) | |
917 | and replaceU replacer | |
918 | = fn memloc as T {memloc = U {immBase, memBase, immIndex, memIndex, | |
919 | scale, size, class}, ...} | |
920 | => let | |
921 | val memBase' = replaceMem replacer memBase | |
922 | val memIndex' = replaceMem replacer memIndex | |
923 | in | |
924 | if eqMem(memBase, memBase') andalso eqMem(memIndex, memIndex') | |
925 | then memloc | |
926 | else construct (U {immBase = immBase, | |
927 | memBase = memBase', | |
928 | immIndex = immIndex, | |
929 | memIndex = memIndex', | |
930 | scale = scale, | |
931 | size = size, | |
932 | class = class}) | |
933 | end | |
934 | and replace replacer | |
935 | = fn memloc | |
936 | => let | |
937 | val memloc' = replacer memloc | |
938 | in | |
939 | if eq(memloc', memloc) | |
940 | then replaceU replacer memloc | |
941 | else memloc' | |
942 | end | |
943 | ||
944 | val rec sizeU = fn U {size, ...} => size | |
945 | and size = fn T {memloc, ...} => sizeU memloc | |
946 | val rec classU = fn U {class, ...} => class | |
947 | and class = fn T {memloc, ...} => classU memloc | |
948 | ||
949 | fun scaleImmediate (imm, scale) = | |
950 | case Immediate.destruct imm of | |
951 | Immediate.Word w => Immediate.word (WordX.mul (w, | |
952 | Scale.toWordX scale, | |
953 | {signed = true})) | |
954 | | _ => Error.bug "x86.MemLoc.scaleImmediate" | |
955 | ||
956 | fun addImmediate (imm1, imm2) = | |
957 | case (Immediate.destruct imm1, Immediate.destruct imm2) of | |
958 | (Immediate.Word w1, Immediate.Word w2) => Immediate.word (WordX.add (w1, w2)) | |
959 | | _ => Error.bug "x86.MemLoc.scaleImmediate" | |
960 | ||
961 | val imm = fn {base, index, scale, size, class} | |
962 | => construct (U {immBase = SOME base, | |
963 | memBase = NONE, | |
964 | immIndex = SOME (scaleImmediate (index, scale)), | |
965 | memIndex = NONE, | |
966 | scale = scale, | |
967 | size = size, | |
968 | class = class}) | |
969 | val basic = fn {base, index, scale, size, class} | |
970 | => construct (U {immBase = SOME base, | |
971 | memBase = NONE, | |
972 | immIndex = NONE, | |
973 | memIndex = SOME index, | |
974 | scale = scale, | |
975 | size = size, | |
976 | class = class}) | |
977 | val simple = fn {base, index, scale, size, class} | |
978 | => construct (U {immBase = NONE, | |
979 | memBase = SOME base, | |
980 | immIndex = SOME (scaleImmediate (index, scale)), | |
981 | memIndex = NONE, | |
982 | scale = scale, | |
983 | size = size, | |
984 | class = class}) | |
985 | ||
986 | val complex = fn {base, index, scale, size, class} | |
987 | => construct (U {immBase = NONE, | |
988 | memBase = SOME base, | |
989 | immIndex = NONE, | |
990 | memIndex = SOME index, | |
991 | scale = scale, | |
992 | size = size, | |
993 | class = class}) | |
994 | val shift = fn {origin, disp, scale, size} | |
995 | => let | |
996 | val disp = scaleImmediate (disp, scale) | |
997 | val U {immBase, memBase, | |
998 | immIndex, memIndex, | |
999 | scale, class, ...} = | |
1000 | destruct origin | |
1001 | in | |
1002 | construct (U {immBase = immBase, | |
1003 | memBase = memBase, | |
1004 | immIndex = | |
1005 | case immIndex of | |
1006 | NONE => SOME disp | |
1007 | | SOME immIndex => SOME (addImmediate (immIndex, disp)), | |
1008 | memIndex = memIndex, | |
1009 | scale = scale, | |
1010 | size = size, | |
1011 | class = class}) | |
1012 | end | |
1013 | ||
1014 | local | |
1015 | val num : int ref = ref 0 | |
1016 | in | |
1017 | val temp = fn {size} => (Int.inc num; | |
1018 | imm {base = Immediate.zero, | |
1019 | index = Immediate.int (!num), | |
1020 | scale = Scale.One, | |
1021 | size = size, | |
1022 | class = Class.Temp}) | |
1023 | end | |
1024 | ||
1025 | (* | |
1026 | * Static memory locations | |
1027 | *) | |
1028 | fun makeContents {base, size, class} | |
1029 | = imm {base = base, | |
1030 | index = Immediate.zero, | |
1031 | scale = Scale.Four, | |
1032 | size = size, | |
1033 | class = class} | |
1034 | (* | |
1035 | local | |
1036 | datatype z = datatype CType.t | |
1037 | datatype z = datatype Size.t | |
1038 | in | |
1039 | fun cReturnTempContents sizes = | |
1040 | (List.rev o #1) | |
1041 | (List.fold | |
1042 | (sizes, ([],0), fn (size, (contents, index)) => | |
1043 | ((cReturnTempContent (index, size))::contents, | |
1044 | index + Size.toBytes size))) | |
1045 | fun cReturnTempContent size = | |
1046 | List.first(cReturnTempContents [size]) | |
1047 | val cReturnTempContents = fn size => | |
1048 | cReturnTempContents ( | |
1049 | case size of | |
1050 | Int s => let datatype z = datatype IntSize.t | |
1051 | in case s of | |
1052 | I8 => [BYTE] | |
1053 | | I16 => [WORD] | |
1054 | | I32 => [LONG] | |
1055 | | I64 => [LONG, LONG] | |
1056 | end | |
1057 | | Pointer => [LONG] | |
1058 | | Real s => let datatype z = datatype RealSize.t | |
1059 | in case s of | |
1060 | R32 => [SNGL] | |
1061 | | R64 => [DBLE] | |
1062 | end | |
1063 | | Word s => let datatype z = datatype WordSize.t | |
1064 | in case s of | |
1065 | W8 => [BYTE] | |
1066 | | W16 => [WORD] | |
1067 | | W32 => [LONG] | |
1068 | end) | |
1069 | end | |
1070 | *) | |
1071 | end | |
1072 | ||
1073 | local | |
1074 | structure ClassElement = | |
1075 | struct | |
1076 | type t = MemLoc.Class.t | |
1077 | val compare = MemLoc.Class.compare | |
1078 | local | |
1079 | fun make f = fn (a, b) => f (MemLoc.Class.counter a, MemLoc.Class.counter b) | |
1080 | in | |
1081 | val op < = make Int.< | |
1082 | val op > = make Int.> | |
1083 | val op >= = make Int.>= | |
1084 | val op <= = make Int.<= | |
1085 | end | |
1086 | val min = fn (a, b) => if Int.<(MemLoc.Class.counter a, MemLoc.Class.counter b) | |
1087 | then a | |
1088 | else b | |
1089 | val max = fn (a, b) => min (b, a) | |
1090 | val equals = MemLoc.Class.eq | |
1091 | val layout = MemLoc.Class.layout | |
1092 | end | |
1093 | in | |
1094 | structure ClassSet = OrderedUniqueSet(open ClassElement) | |
1095 | end | |
1096 | local | |
1097 | structure MemLocElement = | |
1098 | struct | |
1099 | type t = MemLoc.t | |
1100 | val equals = MemLoc.eq | |
1101 | val layout = MemLoc.layout | |
1102 | (* | |
1103 | val compare = MemLoc.compare | |
1104 | local | |
1105 | fun make f = fn (a, b) => f (MemLoc.counter a, MemLoc.counter b) | |
1106 | in | |
1107 | val op < = make Int.< | |
1108 | val op > = make Int.> | |
1109 | val op >= = make Int.>= | |
1110 | val op <= = make Int.<= | |
1111 | end | |
1112 | val min = fn (a, b) => if Int.<(MemLoc.counter a, MemLoc.counter b) | |
1113 | then a | |
1114 | else b | |
1115 | val max = fn (a, b) => min (b, a) | |
1116 | val hash = MemLoc.hash | |
1117 | *) | |
1118 | end | |
1119 | in | |
1120 | structure MemLocSet = UnorderedSet(open MemLocElement) | |
1121 | (* | |
1122 | structure MemLocSet = OrderedUniqueSet(open MemLocElement) | |
1123 | *) | |
1124 | (* | |
1125 | structure MemLocSet' = UnorderedSet(open MemLocElement) | |
1126 | structure MemLocSet = HashedUniqueSet(structure Set = MemLocSet' | |
1127 | structure Element = MemLocElement) | |
1128 | *) | |
1129 | end | |
1130 | ||
1131 | structure Operand = | |
1132 | struct | |
1133 | datatype t | |
1134 | = Register of Register.t | |
1135 | | FltRegister of FltRegister.t | |
1136 | | Immediate of Immediate.t | |
1137 | | Label of Label.t | |
1138 | | Address of Address.t | |
1139 | | MemLoc of MemLoc.t | |
1140 | ||
1141 | val size | |
1142 | = fn Register r => SOME (Register.size r) | |
1143 | | FltRegister _ => SOME Size.EXTD | |
1144 | | Immediate _ => NONE | |
1145 | | Label _ => NONE | |
1146 | | Address _ => NONE | |
1147 | | MemLoc m => SOME (MemLoc.size m) | |
1148 | ||
1149 | val layout | |
1150 | = let | |
1151 | open Layout | |
1152 | in | |
1153 | fn Register r => Register.layout r | |
1154 | | FltRegister f => FltRegister.layout f | |
1155 | | Immediate i => seq [str "$", Immediate.layout i] | |
1156 | | Label l => Label.layout l | |
1157 | | Address a => Address.layout a | |
1158 | | MemLoc m => MemLoc.layout m | |
1159 | end | |
1160 | val toString = Layout.toString o layout | |
1161 | ||
1162 | val eq | |
1163 | = fn (Register r1, Register r2) => Register.eq(r1, r2) | |
1164 | | (FltRegister f1, FltRegister f2) => FltRegister.eq(f1, f2) | |
1165 | | (Immediate i1, Immediate i2) => Immediate.eq(i1, i2) | |
1166 | | (Label l1, Label l2) => Label.equals(l1, l2) | |
1167 | | (Address a1, Address a2) => Address.eq(a1, a2) | |
1168 | | (MemLoc m1, MemLoc m2) => MemLoc.eq(m1, m2) | |
1169 | | _ => false | |
1170 | ||
1171 | val mayAlias | |
1172 | = fn (Register r1, Register r2) => Register.eq(r1, r2) | |
1173 | | (Register _, _) => false | |
1174 | | (FltRegister f1, FltRegister f2) => FltRegister.eq(f1, f2) | |
1175 | | (FltRegister _, _) => false | |
1176 | | (Immediate i1, Immediate i2) => Immediate.eq(i1, i2) | |
1177 | | (Immediate _, _) => false | |
1178 | | (Label l1, Label l2) => Label.equals(l1, l2) | |
1179 | | (Label _, _) => false | |
1180 | | (Address _, Address _) => true | |
1181 | | (Address _, MemLoc _) => true | |
1182 | | (Address _, _) => false | |
1183 | | (MemLoc m1, MemLoc m2) => MemLoc.mayAlias(m1, m2) | |
1184 | | (MemLoc _, Address _) => true | |
1185 | | (MemLoc _, _) => false | |
1186 | ||
1187 | val register = Register | |
1188 | val deRegister | |
1189 | = fn Register x => SOME x | |
1190 | | _ => NONE | |
1191 | val fltregister = FltRegister | |
1192 | val deFltregister | |
1193 | = fn FltRegister x => SOME x | |
1194 | | _ => NONE | |
1195 | val immediate = Immediate | |
1196 | val deImmediate | |
1197 | = fn Immediate x => SOME x | |
1198 | | _ => NONE | |
1199 | val immediate_word = immediate o Immediate.word | |
1200 | val immediate_int' = immediate o Immediate.int' | |
1201 | val immediate_int = immediate o Immediate.int | |
1202 | val immediate_zero = immediate Immediate.zero | |
1203 | val immediate_label = immediate o Immediate.label | |
1204 | val label = Label | |
1205 | val deLabel | |
1206 | = fn Label x => SOME x | |
1207 | | _ => NONE | |
1208 | val address = Address | |
1209 | val memloc = MemLoc | |
1210 | fun memloc_label l = | |
1211 | memloc (MemLoc.makeContents { base = Immediate.label l, | |
1212 | size = Size.LONG, | |
1213 | class = MemLoc.Class.Code }) | |
1214 | val deMemloc | |
1215 | = fn MemLoc x => SOME x | |
1216 | | _ => NONE | |
1217 | ||
1218 | local | |
1219 | val cReturnTemp = Label.fromString "cReturnTemp" | |
1220 | fun cReturnTempContent (index, size) = | |
1221 | MemLoc.imm | |
1222 | {base = Immediate.label cReturnTemp, | |
1223 | index = Immediate.int index, | |
1224 | scale = Scale.One, | |
1225 | size = size, | |
1226 | class = MemLoc.Class.StaticTemp} | |
1227 | datatype z = datatype CType.t | |
1228 | datatype z = datatype Size.t | |
1229 | in | |
1230 | fun cReturnTemps ty = | |
1231 | if RepType.isUnit ty | |
1232 | then [] | |
1233 | else | |
1234 | let | |
1235 | fun w (r, s) = | |
1236 | [{src = register r, dst = cReturnTempContent (0, s)}] | |
1237 | val w8 = w (Register.al, BYTE) | |
1238 | val w16 = w (Register.ax, WORD) | |
1239 | val w32 = w (Register.eax, LONG) | |
1240 | val w64 =[{src = register Register.eax, | |
1241 | dst = cReturnTempContent (0, LONG)}, | |
1242 | {src = register Register.edx, | |
1243 | dst = cReturnTempContent (4, LONG)}] | |
1244 | in | |
1245 | case RepType.toCType ty of | |
1246 | CPointer => w32 | |
1247 | | Int8 => w8 | |
1248 | | Int16 => w16 | |
1249 | | Int32 => w32 | |
1250 | | Int64 => w64 | |
1251 | | Objptr => w32 | |
1252 | | Real32 => [{src = fltregister FltRegister.top, | |
1253 | dst = cReturnTempContent (0, SNGL)}] | |
1254 | | Real64 => [{src = fltregister FltRegister.top, | |
1255 | dst = cReturnTempContent (0, DBLE)}] | |
1256 | | Word8 => w8 | |
1257 | | Word16 => w16 | |
1258 | | Word32 => w32 | |
1259 | | Word64 => w64 | |
1260 | end | |
1261 | end | |
1262 | end | |
1263 | ||
1264 | structure Instruction = | |
1265 | struct | |
1266 | (* Integer binary arithmetic(w/o mult & div)/logic instructions. *) | |
1267 | datatype binal | |
1268 | = ADD (* signed/unsigned addition; p. 63 *) | |
1269 | | ADC (* signed/unsigned addition with carry; p. 61 *) | |
1270 | | SUB (* signed/unsigned subtraction; p. 713 *) | |
1271 | | SBB (* signed/unsigned subtraction with borrow; p. 667 *) | |
1272 | | AND (* logical and; p. 70 *) | |
1273 | | OR (* logical or; p. 499 *) | |
1274 | | XOR (* logical xor; p. 758 *) | |
1275 | val binal_layout | |
1276 | = let | |
1277 | open Layout | |
1278 | in | |
1279 | fn ADD => str "add" | |
1280 | | ADC => str "adc" | |
1281 | | SUB => str "sub" | |
1282 | | SBB => str "sbb" | |
1283 | | AND => str "and" | |
1284 | | OR => str "or" | |
1285 | | XOR => str "xor" | |
1286 | end | |
1287 | ||
1288 | (* Integer multiplication and division. *) | |
1289 | datatype md | |
1290 | = IMUL (* signed multiplication (one operand form); p. 335 *) | |
1291 | | MUL (* unsigned multiplication; p. 488 *) | |
1292 | | IDIV (* signed division; p. 332 *) | |
1293 | | DIV (* unsigned division; p. 188 *) | |
1294 | | IMOD (* signed modulus; *) | |
1295 | | MOD (* unsigned modulus; *) | |
1296 | val md_layout | |
1297 | = let | |
1298 | open Layout | |
1299 | in | |
1300 | fn IMUL => str "imul" | |
1301 | | MUL => str "mul" | |
1302 | | IDIV => str "idiv" | |
1303 | | DIV => str "div" | |
1304 | | IMOD => str "imod" | |
1305 | | MOD => str "mod" | |
1306 | end | |
1307 | ||
1308 | (* Integer unary arithmetic/logic instructions. *) | |
1309 | datatype unal | |
1310 | = INC (* increment by 1; p. 341 *) | |
1311 | | DEC (* decrement by 1; p. 186 *) | |
1312 | | NEG (* two's complement negation; p. 494 *) | |
1313 | | NOT (* one's complement negation; p. 497 *) | |
1314 | val unal_layout | |
1315 | = let | |
1316 | open Layout | |
1317 | in | |
1318 | fn INC => str "inc" | |
1319 | | DEC => str "dec" | |
1320 | | NEG => str "neg" | |
1321 | | NOT => str "not" | |
1322 | end | |
1323 | ||
1324 | (* Integer shift/rotate arithmetic/logic instructions. *) | |
1325 | datatype sral | |
1326 | = SAL (* shift arithmetic left; p. 662 *) | |
1327 | | SHL (* shift logical left; p. 662 *) | |
1328 | | SAR (* shift arithmetic right; p. 662 *) | |
1329 | | SHR (* shift logical right; p. 662 *) | |
1330 | | ROL (* rotate left; p. 631 *) | |
1331 | | RCL (* rotate through carry left; p. 631 *) | |
1332 | | ROR (* rotate right; p. 631 *) | |
1333 | | RCR (* rotate through carry right; p. 631 *) | |
1334 | val sral_layout | |
1335 | = let | |
1336 | open Layout | |
1337 | in | |
1338 | fn SAL => str "sal" | |
1339 | | SHL => str "shl" | |
1340 | | SAR => str "sar" | |
1341 | | SHR => str "shr" | |
1342 | | ROL => str "rol" | |
1343 | | RCL => str "rcl" | |
1344 | | ROR => str "ror" | |
1345 | | RCR => str "rcr" | |
1346 | end | |
1347 | ||
1348 | (* Move with extention instructions. *) | |
1349 | datatype movx | |
1350 | = MOVSX (* move with sign extention; p. 481 *) | |
1351 | | MOVZX (* move with zero extention; p. 486 *) | |
1352 | val movx_layout | |
1353 | = let | |
1354 | open Layout | |
1355 | in | |
1356 | fn MOVSX => str "movs" | |
1357 | | MOVZX => str "movz" | |
1358 | end | |
1359 | ||
1360 | (* Condition test field; p. 795 *) | |
1361 | datatype condition | |
1362 | = O (* overflow *) | NO (* not overflow *) | |
1363 | | B (* below *) | NB (* not below *) | |
1364 | | AE (* above or equal *) | NAE (* not above or equal *) | |
1365 | | C (* carry *) | NC (* not carry *) | |
1366 | | E (* equal *) | NE (* not equal *) | |
1367 | | Z (* zero *) | NZ (* not zero *) | |
1368 | | BE (* below or equal *) | NBE (* not below or equal *) | |
1369 | | A (* above *) | NA (* not above *) | |
1370 | | S (* sign *) | NS (* not sign *) | |
1371 | | P (* parity *) | NP (* not parity *) | |
1372 | | PE (* parity even *) | PO (* parity odd *) | |
1373 | | L (* less than *) | |
1374 | | NL (* not less than *) | |
1375 | | LE (* less than or equal *) | |
1376 | | NLE (* not less than or equal *) | |
1377 | | G (* greater than *) | |
1378 | | NG (* not greater than *) | |
1379 | | GE (* greater than or equal *) | |
1380 | | NGE (* not greater than or equal *) | |
1381 | ||
1382 | val condition_negate | |
1383 | = fn O => NO | NO => O | |
1384 | | B => NB | NB => B | |
1385 | | AE => NAE | NAE => AE | |
1386 | | C => NC | NC => C | |
1387 | | E => NE | NE => E | |
1388 | | Z => NZ | NZ => Z | |
1389 | | BE => NBE | NBE => BE | |
1390 | | A => NA | NA => A | |
1391 | | S => NS | NS => S | |
1392 | | P => NP | NP => P | |
1393 | | PE => PO | PO => PE | |
1394 | | L => NL | NL => L | |
1395 | | LE => NLE | NLE => LE | |
1396 | | G => NG | NG => G | |
1397 | | GE => NGE | NGE => GE | |
1398 | ||
1399 | val condition_reverse | |
1400 | = fn B => A | NB => NA | |
1401 | | AE => BE | NAE => NBE | |
1402 | | E => E | NE => NE | |
1403 | | BE => AE | NBE => NAE | |
1404 | | A => B | NA => NB | |
1405 | | L => G | NL => NG | |
1406 | | LE => GE | NLE => NGE | |
1407 | | G => L | NG => NL | |
1408 | | GE => LE | NGE => NLE | |
1409 | | c => c | |
1410 | ||
1411 | local | |
1412 | open Layout | |
1413 | in | |
1414 | val rec condition_layout | |
1415 | = fn O => str "o" | |
1416 | | B => str "b" | |
1417 | | AE => str "ae" | |
1418 | | C => str "c" | |
1419 | | E => str "e" | |
1420 | | Z => str "z" | |
1421 | | BE => str "be" | |
1422 | | A => str "a" | |
1423 | | S => str "s" | |
1424 | | P => str "p" | |
1425 | | PE => str "pe" | |
1426 | | PO => str "po" | |
1427 | | L => str "l" | |
1428 | | LE => str "le" | |
1429 | | G => str "g" | |
1430 | | GE => str "ge" | |
1431 | | c => seq [str "n", condition_layout (condition_negate c)] | |
1432 | end | |
1433 | val condition_toString = Layout.toString o condition_layout | |
1434 | ||
1435 | (* Floating-point binary arithmetic instructions. *) | |
1436 | datatype fbina | |
1437 | = FADD (* addition; p. 205 *) | |
1438 | | FSUB (* subtraction; p. 297 *) | |
1439 | | FSUBR (* reversed subtraction; p. 301 *) | |
1440 | | FMUL (* multiplication; p. 256 *) | |
1441 | | FDIV (* division; p. 229 *) | |
1442 | | FDIVR (* reversed division; p. 233 *) | |
1443 | val fbina_layout | |
1444 | = let | |
1445 | open Layout | |
1446 | in | |
1447 | fn FADD => str "fadd" | |
1448 | | FSUB => str "fsub" | |
1449 | | FSUBR => str "fsubr" | |
1450 | | FMUL => str "fmul" | |
1451 | | FDIV => str "fdiv" | |
1452 | | FDIVR => str "fdivr" | |
1453 | end | |
1454 | val fbina_reverse | |
1455 | = fn FADD => FADD | |
1456 | | FSUB => FSUBR | |
1457 | | FSUBR => FSUB | |
1458 | | FMUL => FMUL | |
1459 | | FDIV => FDIVR | |
1460 | | FDIVR => FDIV | |
1461 | ||
1462 | (* Floating-point unary arithmetic instructions. *) | |
1463 | datatype funa | |
1464 | = F2XM1 (* compute 2^x-1; p. 201 *) | |
1465 | | FABS (* absolute value; p. 203 *) | |
1466 | | FCHS (* change sign; p. 214 *) | |
1467 | | FSQRT (* square root; p. 284 *) | |
1468 | | FSIN (* sine; p. 280 *) | |
1469 | | FCOS (* cosine; p. 226 *) | |
1470 | | FRNDINT (* round to integer; p. 271 *) | |
1471 | val funa_layout | |
1472 | = let | |
1473 | open Layout | |
1474 | in | |
1475 | fn F2XM1 => str "f2xm1" | |
1476 | | FABS => str "fabs" | |
1477 | | FCHS => str "fchs" | |
1478 | | FSQRT => str "fsqrt" | |
1479 | | FSIN => str "fsin" | |
1480 | | FCOS => str "fcos" | |
1481 | | FRNDINT => str "frndint" | |
1482 | end | |
1483 | ||
1484 | (* Floating-point binary arithmetic stack instructions. *) | |
1485 | datatype fbinas | |
1486 | = FSCALE (* scale; p. 278 *) | |
1487 | | FPREM (* partial remainder; p. 263 *) | |
1488 | | FPREM1 (* IEEE partial remainder; p. 266 *) | |
1489 | val fbinas_layout | |
1490 | = let | |
1491 | open Layout | |
1492 | in | |
1493 | fn FSCALE => str "fscale" | |
1494 | | FPREM=> str "fprem" | |
1495 | | FPREM1 => str "fprem1" | |
1496 | end | |
1497 | ||
1498 | (* floating point binary arithmetic stack pop instructions. *) | |
1499 | datatype fbinasp | |
1500 | = FYL2X (* compute y * log_2 x; p. 327 *) | |
1501 | | FYL2XP1 (* compute y * log_2 (x + 1.0); p. 329 *) | |
1502 | | FPATAN (* partial arctangent; p. 261 *) | |
1503 | val fbinasp_layout | |
1504 | = let | |
1505 | open Layout | |
1506 | in | |
1507 | fn FYL2X => str "fyl2x" | |
1508 | | FYL2XP1 => str "fyl2xp1" | |
1509 | | FPATAN => str "fpatan" | |
1510 | end | |
1511 | ||
1512 | (* Floating-point constants. *) | |
1513 | datatype fldc | |
1514 | = ONE (* +1.0; p. 250 *) | |
1515 | | ZERO (* +0.0; p. 250 *) | |
1516 | | PI (* pi; p. 250 *) | |
1517 | | L2E (* log_2 e; p. 250 *) | |
1518 | | LN2 (* log_e 2; p. 250 *) | |
1519 | | L2T (* log_2 10; p. 250 *) | |
1520 | | LG2 (* log_10 2; p. 250 *) | |
1521 | val fldc_layout | |
1522 | = let | |
1523 | open Layout | |
1524 | in | |
1525 | fn ONE => str "fld1" | |
1526 | | ZERO => str "fldz" | |
1527 | | PI => str "fldpi" | |
1528 | | L2E => str "fldl2e" | |
1529 | | LN2 => str "fldln2" | |
1530 | | L2T => str "fldl2t" | |
1531 | | LG2 => str "fldlg2" | |
1532 | end | |
1533 | ||
1534 | (* x86 Instructions. | |
1535 | * src operands are not changed by the instruction. | |
1536 | * dst operands are changed by the instruction. | |
1537 | *) | |
1538 | datatype t | |
1539 | (* No operation *) | |
1540 | = NOP | |
1541 | (* Halt *) | |
1542 | | HLT | |
1543 | (* Integer binary arithmetic(w/o mult & div)/logic instructions. | |
1544 | *) | |
1545 | | BinAL of {oper: binal, | |
1546 | src: Operand.t, | |
1547 | dst: Operand.t, | |
1548 | size: Size.t} | |
1549 | (* Psuedo integer multiplication and division. | |
1550 | *) | |
1551 | | pMD of {oper: md, | |
1552 | src: Operand.t, | |
1553 | dst: Operand.t, | |
1554 | size: Size.t} | |
1555 | (* Integer multiplication and division. | |
1556 | *) | |
1557 | | MD of {oper: md, | |
1558 | src: Operand.t, | |
1559 | size: Size.t} | |
1560 | (* Integer signed/unsiged multiplication (two operand form); p. 335 | |
1561 | *) | |
1562 | | IMUL2 of {src: Operand.t, | |
1563 | dst: Operand.t, | |
1564 | size: Size.t} | |
1565 | (* Integer unary arithmetic/logic instructions. | |
1566 | *) | |
1567 | | UnAL of {oper: unal, | |
1568 | dst: Operand.t, | |
1569 | size: Size.t} | |
1570 | (* Integer shift/rotate arithmetic/logic instructions. | |
1571 | *) | |
1572 | | SRAL of {oper: sral, | |
1573 | count: Operand.t, | |
1574 | dst: Operand.t, | |
1575 | size: Size.t} | |
1576 | (* Arithmetic compare. | |
1577 | *) | |
1578 | | CMP of {src1: Operand.t, | |
1579 | src2: Operand.t, | |
1580 | size: Size.t} | |
1581 | (* Logical compare. | |
1582 | *) | |
1583 | | TEST of {src1: Operand.t, | |
1584 | src2: Operand.t, | |
1585 | size: Size.t} | |
1586 | (* Set byte on condition. | |
1587 | *) | |
1588 | | SETcc of {condition: condition, | |
1589 | dst: Operand.t, | |
1590 | size: Size.t} | |
1591 | (* Jump. | |
1592 | *) | |
1593 | | JMP of {target: Operand.t, | |
1594 | absolute: bool} | |
1595 | (* Jump if condition is met. | |
1596 | *) | |
1597 | | Jcc of {condition: condition, | |
1598 | target: Operand.t} | |
1599 | (* Call procedure. | |
1600 | *) | |
1601 | | CALL of {target: Operand.t, | |
1602 | absolute: bool} | |
1603 | (* Return from procedure. | |
1604 | *) | |
1605 | | RET of {src: Operand.t option} | |
1606 | (* Move. | |
1607 | *) | |
1608 | | MOV of {src: Operand.t, | |
1609 | dst: Operand.t, | |
1610 | size: Size.t} | |
1611 | (* Conditional move. | |
1612 | *) | |
1613 | | CMOVcc of {condition: condition, | |
1614 | src: Operand.t, | |
1615 | dst: Operand.t, | |
1616 | size: Size.t} | |
1617 | (* Exchange register/memory with register. | |
1618 | *) | |
1619 | | XCHG of {src: Operand.t, | |
1620 | dst: Operand.t, | |
1621 | size: Size.t} | |
1622 | (* Pseudo-push a value onto a stack. | |
1623 | *) | |
1624 | | pPUSH of {src: Operand.t, | |
1625 | base: Operand.t, | |
1626 | size: Size.t} | |
1627 | (* Pseudo-pop a value from a stack. | |
1628 | *) | |
1629 | | pPOP of {dst: Operand.t, | |
1630 | base: Operand.t, | |
1631 | size: Size.t} | |
1632 | (* Push a value onto the stack. | |
1633 | *) | |
1634 | | PUSH of {src: Operand.t, | |
1635 | size: Size.t} | |
1636 | (* Pop a value from the stack. | |
1637 | *) | |
1638 | | POP of {dst: Operand.t, | |
1639 | size: Size.t} | |
1640 | (* Convert X to 2X with sign extension. | |
1641 | *) | |
1642 | | CX of {size: Size.t} | |
1643 | (* Move with extention. | |
1644 | *) | |
1645 | | MOVX of {oper: movx, | |
1646 | src: Operand.t, | |
1647 | srcsize: Size.t, | |
1648 | dst: Operand.t, | |
1649 | dstsize: Size.t} | |
1650 | (* Move with contraction. | |
1651 | *) | |
1652 | | XVOM of {src: Operand.t, | |
1653 | srcsize: Size.t, | |
1654 | dst: Operand.t, | |
1655 | dstsize: Size.t} | |
1656 | (* Load effective address. | |
1657 | *) | |
1658 | | LEA of {src: Operand.t, | |
1659 | dst: Operand.t, | |
1660 | size: Size.t} | |
1661 | (* Pseudo floating-point move. | |
1662 | *) | |
1663 | | pFMOV of {src: Operand.t, | |
1664 | dst: Operand.t, | |
1665 | size: Size.t} | |
1666 | (* Pseudo floating-point move with extension. | |
1667 | *) | |
1668 | | pFMOVX of {src: Operand.t, | |
1669 | dst: Operand.t, | |
1670 | srcsize: Size.t, | |
1671 | dstsize: Size.t} | |
1672 | (* Pseudo floating-point move with contraction. | |
1673 | *) | |
1674 | | pFXVOM of {src: Operand.t, | |
1675 | dst: Operand.t, | |
1676 | srcsize: Size.t, | |
1677 | dstsize: Size.t} | |
1678 | (* Pseudo floating-point load constant. | |
1679 | *) | |
1680 | | pFLDC of {oper: fldc, | |
1681 | dst: Operand.t, | |
1682 | size: Size.t} | |
1683 | (* Pseudo floating-point move from integer. | |
1684 | *) | |
1685 | | pFMOVFI of {src: Operand.t, | |
1686 | dst: Operand.t, | |
1687 | srcsize: Size.t, | |
1688 | dstsize: Size.t} | |
1689 | (* Pseudo floating-point move to integer. | |
1690 | *) | |
1691 | | pFMOVTI of {src: Operand.t, | |
1692 | dst: Operand.t, | |
1693 | srcsize: Size.t, | |
1694 | dstsize: Size.t} | |
1695 | (* Pseudo floating-point compare. | |
1696 | *) | |
1697 | | pFCOM of {src1: Operand.t, | |
1698 | src2: Operand.t, | |
1699 | size: Size.t} | |
1700 | (* Pseudo floating-point unordered compare. | |
1701 | *) | |
1702 | | pFUCOM of {src1: Operand.t, | |
1703 | src2: Operand.t, | |
1704 | size: Size.t} | |
1705 | (* Pseudo floating-point binary arithmetic instructions. | |
1706 | *) | |
1707 | | pFBinA of {oper: fbina, | |
1708 | src: Operand.t, | |
1709 | dst: Operand.t, | |
1710 | size: Size.t} | |
1711 | (* Pseudo floating-point unary arithmetic instructions. | |
1712 | *) | |
1713 | | pFUnA of {oper: funa, | |
1714 | dst: Operand.t, | |
1715 | size: Size.t} | |
1716 | (* Pseudo floating-point partial tangent instruction. | |
1717 | *) | |
1718 | | pFPTAN of {dst: Operand.t, | |
1719 | size: Size.t} | |
1720 | (* Pseudo floating-point binary arithmetic stack instructions. | |
1721 | *) | |
1722 | | pFBinAS of {oper: fbinas, | |
1723 | src: Operand.t, | |
1724 | dst: Operand.t, | |
1725 | size: Size.t} | |
1726 | (* Pseudo floating-point binary arithmetic stack pop instructions. | |
1727 | *) | |
1728 | | pFBinASP of {oper: fbinasp, | |
1729 | src: Operand.t, | |
1730 | dst: Operand.t, | |
1731 | size: Size.t} | |
1732 | (* Floating-point load real. | |
1733 | *) | |
1734 | | FLD of {src: Operand.t, | |
1735 | size: Size.t} | |
1736 | (* Floating-point store real. | |
1737 | *) | |
1738 | | FST of {dst: Operand.t, | |
1739 | size: Size.t, | |
1740 | pop: bool} | |
1741 | (* Floating-point load integer. | |
1742 | *) | |
1743 | | FILD of {src: Operand.t, | |
1744 | size: Size.t} | |
1745 | (* Floating-point store integer. | |
1746 | *) | |
1747 | | FIST of {dst: Operand.t, | |
1748 | size: Size.t, | |
1749 | pop: bool} | |
1750 | (* Floating-point exchange. | |
1751 | *) | |
1752 | | FXCH of {src: Operand.t} | |
1753 | (* Floating-point load constant. | |
1754 | *) | |
1755 | | FLDC of {oper: fldc} | |
1756 | (* Floating-point load control word. | |
1757 | *) | |
1758 | | FLDCW of {src: Operand.t} | |
1759 | (* Floating-point store control word. | |
1760 | *) | |
1761 | | FSTCW of {dst: Operand.t, | |
1762 | check: bool} | |
1763 | (* Floating-point store status word. | |
1764 | *) | |
1765 | | FSTSW of {dst: Operand.t, | |
1766 | check: bool} | |
1767 | (* Floating-point compare. | |
1768 | *) | |
1769 | | FCOM of {src: Operand.t, | |
1770 | size: Size.t, | |
1771 | pop: bool, | |
1772 | pop': bool} | |
1773 | (* Floating-point unordered compare. | |
1774 | *) | |
1775 | | FUCOM of {src: Operand.t, | |
1776 | pop: bool, | |
1777 | pop': bool} | |
1778 | (* Floating-point binary arithmetic instructions. | |
1779 | *) | |
1780 | | FBinA of {oper: fbina, | |
1781 | src: Operand.t, | |
1782 | dst: Operand.t, | |
1783 | size: Size.t, | |
1784 | pop: bool} | |
1785 | (* Floating-point unary arithmetic instructions. | |
1786 | *) | |
1787 | | FUnA of {oper: funa} | |
1788 | (* Floating-point partial tangent instruction. | |
1789 | *) | |
1790 | | FPTAN | |
1791 | (* Floating-point binary arithmetic stack instructions. | |
1792 | *) | |
1793 | | FBinAS of {oper: fbinas} | |
1794 | (* Floating-point binary arithmetic stack pop instructions. | |
1795 | *) | |
1796 | | FBinASP of {oper: fbinasp} | |
1797 | ||
1798 | val layout | |
1799 | = let | |
1800 | open Layout | |
1801 | fun bin (oper, size, oper1, oper2) | |
1802 | = seq [oper, | |
1803 | size, | |
1804 | str " ", | |
1805 | oper1, | |
1806 | str ",", | |
1807 | oper2] | |
1808 | fun un (oper, size, oper1) | |
1809 | = seq [oper, | |
1810 | size, | |
1811 | str " ", | |
1812 | oper1] | |
1813 | in | |
1814 | fn NOP | |
1815 | => str "nop" | |
1816 | | HLT | |
1817 | => str "hlt" | |
1818 | | BinAL {oper, src, dst, size} | |
1819 | => bin (binal_layout oper, | |
1820 | Size.layout size, | |
1821 | Operand.layout src, | |
1822 | Operand.layout dst) | |
1823 | | pMD {oper, src, dst, size} | |
1824 | => bin (md_layout oper, | |
1825 | Size.layout size, | |
1826 | Operand.layout src, | |
1827 | Operand.layout dst) | |
1828 | | MD {oper, src, size} | |
1829 | => un (md_layout oper, | |
1830 | Size.layout size, | |
1831 | Operand.layout src) | |
1832 | | IMUL2 {src, dst, size} | |
1833 | => bin (str "imul", | |
1834 | Size.layout size, | |
1835 | Operand.layout src, | |
1836 | Operand.layout dst) | |
1837 | | UnAL {oper, dst, size} | |
1838 | => un (unal_layout oper, | |
1839 | Size.layout size, | |
1840 | Operand.layout dst) | |
1841 | | SRAL {oper, count, dst, size} | |
1842 | => bin (sral_layout oper, | |
1843 | Size.layout size, | |
1844 | Operand.layout count, | |
1845 | Operand.layout dst) | |
1846 | | CMP {src1, src2, size} | |
1847 | => bin (str "cmp", | |
1848 | Size.layout size, | |
1849 | Operand.layout src2, | |
1850 | Operand.layout src1) | |
1851 | | TEST {src1, src2, size} | |
1852 | => bin (str "test", | |
1853 | Size.layout size, | |
1854 | Operand.layout src2, | |
1855 | Operand.layout src1) | |
1856 | | SETcc {condition, dst, ...} | |
1857 | => seq [str "set", | |
1858 | condition_layout condition, | |
1859 | str " ", | |
1860 | Operand.layout dst] | |
1861 | | JMP {target, absolute} | |
1862 | => seq [str "jmp ", | |
1863 | if absolute then str "*" else empty, | |
1864 | Operand.layout target] | |
1865 | | Jcc {condition, target} | |
1866 | => seq [str "j", | |
1867 | condition_layout condition, | |
1868 | str " ", | |
1869 | Operand.layout target] | |
1870 | | CALL {target, absolute} | |
1871 | => seq [str "call ", | |
1872 | if absolute then str "*" else empty, | |
1873 | Operand.layout target] | |
1874 | | RET {src} | |
1875 | => seq [str "ret", | |
1876 | case src | |
1877 | of NONE => empty | |
1878 | | SOME src => seq [str " ", Operand.layout src]] | |
1879 | | MOV {src, dst, size} | |
1880 | => bin (str "mov", | |
1881 | Size.layout size, | |
1882 | Operand.layout src, | |
1883 | Operand.layout dst) | |
1884 | | CMOVcc {condition, src, dst, size} | |
1885 | => seq [str "cmov", | |
1886 | condition_layout condition, | |
1887 | Size.layout size, | |
1888 | str " ", | |
1889 | Operand.layout src, | |
1890 | str ",", | |
1891 | Operand.layout dst] | |
1892 | | XCHG {src, dst, size} | |
1893 | => bin (str "xchg", | |
1894 | Size.layout size, | |
1895 | Operand.layout src, | |
1896 | Operand.layout dst) | |
1897 | | pPUSH {src, base, size} | |
1898 | => seq [str "ppush", | |
1899 | Size.layout size, | |
1900 | str " [", | |
1901 | Operand.layout base, | |
1902 | str "] ", | |
1903 | Operand.layout src] | |
1904 | | pPOP {dst, base, size} | |
1905 | => seq [str "ppop", | |
1906 | Size.layout size, | |
1907 | str " [", | |
1908 | Operand.layout base, | |
1909 | str " ]", | |
1910 | Operand.layout dst] | |
1911 | | PUSH {src, size} | |
1912 | => seq [str "push", | |
1913 | Size.layout size, | |
1914 | str " ", | |
1915 | Operand.layout src] | |
1916 | | POP {dst, size} | |
1917 | => seq [str "pop", | |
1918 | Size.layout size, | |
1919 | str " ", | |
1920 | Operand.layout dst] | |
1921 | | CX {size} | |
1922 | => (case size | |
1923 | of Size.BYTE => str "cbtw" | |
1924 | | Size.WORD => str "cwtd" | |
1925 | | Size.LONG => str "cltd" | |
1926 | | _ => Error.bug "x86.Instruction.layout: CX,unsupported conversion") | |
1927 | | MOVX {oper, src, srcsize, dst, dstsize} | |
1928 | => bin (movx_layout oper, | |
1929 | seq [Size.layout srcsize, | |
1930 | Size.layout dstsize], | |
1931 | Operand.layout src, | |
1932 | Operand.layout dst) | |
1933 | | XVOM {src, srcsize, dst, dstsize} | |
1934 | => bin (str "xvom", | |
1935 | seq [Size.layout srcsize, | |
1936 | Size.layout dstsize], | |
1937 | Operand.layout src, | |
1938 | Operand.layout dst) | |
1939 | | LEA {src, dst, size} | |
1940 | => bin (str "lea", | |
1941 | Size.layout size, | |
1942 | Operand.layout src, | |
1943 | Operand.layout dst) | |
1944 | | pFMOV {src, dst, size} | |
1945 | => bin (str "fmov", | |
1946 | Size.layout size, | |
1947 | Operand.layout src, | |
1948 | Operand.layout dst) | |
1949 | | pFMOVX {src, dst, srcsize, dstsize} | |
1950 | => bin (str "fmovx", | |
1951 | seq [Size.layout srcsize, | |
1952 | Size.layout dstsize], | |
1953 | Operand.layout src, | |
1954 | Operand.layout dst) | |
1955 | | pFXVOM {src, dst, srcsize, dstsize} | |
1956 | => bin (str "fmov", | |
1957 | seq [Size.layout srcsize, | |
1958 | Size.layout dstsize], | |
1959 | Operand.layout src, | |
1960 | Operand.layout dst) | |
1961 | | pFLDC {oper, dst, size} | |
1962 | => un (fldc_layout oper, | |
1963 | Size.layout size, | |
1964 | Operand.layout dst) | |
1965 | | pFMOVFI {src, dst, srcsize, dstsize} | |
1966 | => bin (str "fmovfi", | |
1967 | seq [Size.layout srcsize, | |
1968 | Size.layout dstsize], | |
1969 | Operand.layout src, | |
1970 | Operand.layout dst) | |
1971 | | pFMOVTI {src, dst, srcsize, dstsize} | |
1972 | => bin (str "fmovti", | |
1973 | seq [Size.layout srcsize, | |
1974 | Size.layout dstsize], | |
1975 | Operand.layout src, | |
1976 | Operand.layout dst) | |
1977 | | pFCOM {src1, src2, size} | |
1978 | => bin (str "fcom", | |
1979 | Size.layout size, | |
1980 | Operand.layout src1, | |
1981 | Operand.layout src2) | |
1982 | | pFUCOM {src1, src2, size} | |
1983 | => bin (str "fucom", | |
1984 | Size.layout size, | |
1985 | Operand.layout src1, | |
1986 | Operand.layout src2) | |
1987 | | pFBinA {oper, src, dst, size} | |
1988 | => bin (fbina_layout oper, | |
1989 | Size.layout size, | |
1990 | Operand.layout src, | |
1991 | Operand.layout dst) | |
1992 | | pFUnA {oper, dst, size} | |
1993 | => un (funa_layout oper, | |
1994 | Size.layout size, | |
1995 | Operand.layout dst) | |
1996 | | pFPTAN {dst, size} | |
1997 | => un (str "fptan", | |
1998 | Size.layout size, | |
1999 | Operand.layout dst) | |
2000 | | pFBinAS {oper, src, dst, size} | |
2001 | => bin (fbinas_layout oper, | |
2002 | Size.layout size, | |
2003 | Operand.layout src, | |
2004 | Operand.layout dst) | |
2005 | | pFBinASP {oper, src, dst, size} | |
2006 | => bin (fbinasp_layout oper, | |
2007 | Size.layout size, | |
2008 | Operand.layout src, | |
2009 | Operand.layout dst) | |
2010 | | FLD {src, size} | |
2011 | => un (str "fld", | |
2012 | case src | |
2013 | of Operand.FltRegister _ => empty | |
2014 | | _ => Size.layout size, | |
2015 | Operand.layout src) | |
2016 | | FST {dst, size, pop} | |
2017 | => un (str "fst", | |
2018 | seq [if pop then str "p" else empty, | |
2019 | case dst | |
2020 | of Operand.FltRegister _ => empty | |
2021 | | _ => Size.layout size], | |
2022 | Operand.layout dst) | |
2023 | | FILD {src, size} | |
2024 | => un (str "fild", | |
2025 | Size.layout size, | |
2026 | Operand.layout src) | |
2027 | | FIST {dst, size, pop} | |
2028 | => un (str "fist", | |
2029 | seq [if pop then str "p" else empty, | |
2030 | Size.layout size], | |
2031 | Operand.layout dst) | |
2032 | | FXCH {src} | |
2033 | => seq [str "fxch ", | |
2034 | Operand.layout src] | |
2035 | | FLDC {oper} | |
2036 | => seq [fldc_layout oper] | |
2037 | | FLDCW {src} | |
2038 | => seq [str "fldcw ", | |
2039 | Operand.layout src] | |
2040 | | FSTCW {dst, check} | |
2041 | => seq [if check then str "fstcw " else str "fnstcw ", | |
2042 | Operand.layout dst] | |
2043 | | FSTSW {dst, check} | |
2044 | => seq [if check then str "fstsw " else str "fnstsw ", | |
2045 | Operand.layout dst] | |
2046 | | FCOM {src, size, pop, pop'} | |
2047 | => seq [str "fcom", | |
2048 | if pop andalso pop' | |
2049 | then str "pp" | |
2050 | else seq [if pop then str "p" else empty, | |
2051 | case src | |
2052 | of Operand.FltRegister _ | |
2053 | => empty | |
2054 | | _ => Size.layout size, | |
2055 | str " ", | |
2056 | Operand.layout src]] | |
2057 | | FUCOM {src, pop, pop'} | |
2058 | => seq [str "fucom", | |
2059 | if pop andalso pop' | |
2060 | then str "pp" | |
2061 | else seq [if pop then str "p " else str " ", | |
2062 | Operand.layout src]] | |
2063 | | FBinA {oper, src, dst, size, pop} | |
2064 | => seq [fbina_layout oper, | |
2065 | case src | |
2066 | of Operand.FltRegister _ | |
2067 | => seq [if pop then str "p " else str " ", | |
2068 | Operand.layout src, | |
2069 | str ", ", | |
2070 | Operand.layout dst] | |
2071 | | _ | |
2072 | => seq [Size.layout size, | |
2073 | str " ", | |
2074 | Operand.layout src]] | |
2075 | | FUnA {oper} | |
2076 | => seq [funa_layout oper] | |
2077 | | FPTAN | |
2078 | => seq [str "fptan"] | |
2079 | | FBinAS {oper} | |
2080 | => seq [fbinas_layout oper] | |
2081 | | FBinASP {oper} | |
2082 | => seq [fbinasp_layout oper] | |
2083 | end | |
2084 | val toString = Layout.toString o layout | |
2085 | ||
2086 | val uses_defs_kills | |
2087 | = fn NOP | |
2088 | => {uses = [], defs = [], kills = []} | |
2089 | | HLT | |
2090 | => {uses = [], defs = [], kills = []} | |
2091 | | BinAL {src, dst, ...} | |
2092 | => {uses = [src, dst], defs = [dst], kills = []} | |
2093 | | pMD {src, dst, ...} | |
2094 | => {uses = [src, dst], defs = [dst], kills = []} | |
2095 | | MD {oper, src, size} | |
2096 | => let | |
2097 | val (hi,lo) | |
2098 | = case size | |
2099 | of Size.BYTE | |
2100 | => (Register.T {reg = Register.EAX, part = Register.H}, | |
2101 | Register.T {reg = Register.EAX, part = Register.L}) | |
2102 | | Size.WORD | |
2103 | => (Register.T {reg = Register.EDX, part = Register.X}, | |
2104 | Register.T {reg = Register.EAX, part = Register.X}) | |
2105 | | Size.LONG | |
2106 | => (Register.T {reg = Register.EDX, part = Register.E}, | |
2107 | Register.T {reg = Register.EAX, part = Register.E}) | |
2108 | | _ => Error.bug "x86.Instruction.uses_defs: MD, size" | |
2109 | in | |
2110 | if oper = IMUL orelse oper = MUL | |
2111 | then {uses = [src, Operand.register lo], | |
2112 | defs = [Operand.register hi, Operand.register lo], | |
2113 | kills = []} | |
2114 | else {uses = [src, Operand.register hi, Operand.register lo], | |
2115 | defs = [Operand.register hi, Operand.register lo], | |
2116 | kills = []} | |
2117 | end | |
2118 | | IMUL2 {src, dst, ...} | |
2119 | => {uses = [src, dst], defs = [dst], kills = []} | |
2120 | | UnAL {dst, ...} | |
2121 | => {uses = [dst], defs = [dst], kills = []} | |
2122 | | SRAL {count, dst, size, ...} | |
2123 | => if isSome (Operand.deMemloc count) | |
2124 | then let | |
2125 | val reg | |
2126 | = case size | |
2127 | of Size.BYTE | |
2128 | => Register.T {reg = Register.ECX, | |
2129 | part = Register.L} | |
2130 | | Size.WORD | |
2131 | => Register.T {reg = Register.ECX, | |
2132 | part = Register.X} | |
2133 | | Size.LONG | |
2134 | => Register.T {reg = Register.ECX, | |
2135 | part = Register.E} | |
2136 | | _ => Error.bug "x86.Instruction.uses_defs: SRAL, size" | |
2137 | in | |
2138 | {uses = [count, dst, Operand.register reg], | |
2139 | defs = [dst], | |
2140 | kills = []} | |
2141 | end | |
2142 | else {uses = [count, dst], | |
2143 | defs = [dst], | |
2144 | kills = []} | |
2145 | | CMP {src1, src2, ...} | |
2146 | => {uses = [src1, src2], defs = [], kills = []} | |
2147 | | TEST {src1, src2, ...} | |
2148 | => {uses = [src1, src2], defs = [], kills = []} | |
2149 | | SETcc {dst, ...} | |
2150 | => {uses = [], defs = [dst], kills = []} | |
2151 | | JMP {target, ...} | |
2152 | => {uses = [target], defs = [], kills = []} | |
2153 | | Jcc {target, ...} | |
2154 | => {uses = [target], defs = [], kills = []} | |
2155 | | CALL {target, ...} | |
2156 | => {uses = [target], defs = [], kills = []} | |
2157 | | RET {src} | |
2158 | => {uses = case src of NONE => [] | SOME src => [src], | |
2159 | defs = [], | |
2160 | kills = []} | |
2161 | | MOV {src, dst, ...} | |
2162 | => {uses = [src], defs = [dst], kills = []} | |
2163 | | CMOVcc {src, dst, ...} | |
2164 | => {uses = [src], defs = [dst], kills = []} | |
2165 | | XCHG {src, dst, ...} | |
2166 | => {uses = [src,dst], defs = [src,dst], kills = []} | |
2167 | | pPUSH {src, base, size, ...} | |
2168 | => {uses = [src,base], | |
2169 | defs = base:: | |
2170 | (case base | |
2171 | of Operand.MemLoc base | |
2172 | => [Operand.MemLoc | |
2173 | (MemLoc.simple {base = base, | |
2174 | index = Immediate.zero, | |
2175 | size = size, | |
2176 | scale = Scale.One, | |
2177 | class = MemLoc.Class.CStack})] | |
2178 | | _ => []), | |
2179 | kills = []} | |
2180 | | pPOP {dst, base, size, ...} | |
2181 | => {uses = base:: | |
2182 | (case base | |
2183 | of Operand.MemLoc base | |
2184 | => [Operand.MemLoc | |
2185 | (MemLoc.simple {base = base, | |
2186 | index = Immediate.zero, | |
2187 | size = size, | |
2188 | scale = Scale.One, | |
2189 | class = MemLoc.Class.CStack})] | |
2190 | | _ => []), | |
2191 | defs = [dst,base], | |
2192 | kills = []} | |
2193 | | PUSH {src, ...} | |
2194 | => {uses = [src, Operand.register Register.esp], | |
2195 | defs = [Operand.register Register.esp, | |
2196 | Operand.address (Address.T {disp = NONE, | |
2197 | base = SOME Register.esp, | |
2198 | index = NONE, | |
2199 | scale = NONE})], | |
2200 | kills = []} | |
2201 | | POP {dst, ...} | |
2202 | => {uses = [Operand.register Register.esp, | |
2203 | Operand.address (Address.T {disp = NONE, | |
2204 | base = SOME Register.esp, | |
2205 | index = NONE, | |
2206 | scale = NONE})], | |
2207 | defs = [dst, Operand.register Register.esp], | |
2208 | kills = []} | |
2209 | | CX {size} | |
2210 | => let | |
2211 | val (hi,lo) | |
2212 | = case size | |
2213 | of Size.BYTE | |
2214 | => (Register.T {reg = Register.EAX, part = Register.H}, | |
2215 | Register.T {reg = Register.EAX, part = Register.L}) | |
2216 | | Size.WORD | |
2217 | => (Register.T {reg = Register.EDX, part = Register.X}, | |
2218 | Register.T {reg = Register.EAX, part = Register.X}) | |
2219 | | Size.LONG | |
2220 | => (Register.T {reg = Register.EDX, part = Register.E}, | |
2221 | Register.T {reg = Register.EAX, part = Register.E}) | |
2222 | | _ => Error.bug "x86.Instruction.uses_defs: CX, size" | |
2223 | in | |
2224 | {uses = [Operand.register lo], | |
2225 | defs = [Operand.register hi, Operand.register lo], | |
2226 | kills = []} | |
2227 | end | |
2228 | | MOVX {src, dst, ...} | |
2229 | => {uses = [src], defs = [dst], kills = []} | |
2230 | | XVOM {src, dst, ...} | |
2231 | => {uses = [src], defs = [dst], kills = []} | |
2232 | | LEA {src, dst, ...} | |
2233 | => {uses = [src], defs = [dst], kills = []} | |
2234 | | pFMOV {src, dst, ...} | |
2235 | => {uses = [src], defs = [dst], kills = []} | |
2236 | | pFMOVX {src, dst, ...} | |
2237 | => {uses = [src], defs = [dst], kills = []} | |
2238 | | pFXVOM {src, dst, ...} | |
2239 | => {uses = [src], defs = [dst], kills = []} | |
2240 | | pFLDC {dst, ...} | |
2241 | => {uses = [], defs = [dst], kills = []} | |
2242 | | pFMOVFI {src, dst, ...} | |
2243 | => {uses = [src], defs = [dst], kills = []} | |
2244 | | pFMOVTI {src, dst, ...} | |
2245 | => {uses = [src], defs = [dst], kills = []} | |
2246 | | pFCOM {src1, src2, ...} | |
2247 | => {uses = [src1, src2], defs = [], kills = []} | |
2248 | | pFUCOM {src1, src2, ...} | |
2249 | => {uses = [src1, src2], defs = [], kills = []} | |
2250 | | pFBinA {src, dst, ...} | |
2251 | => {uses = [src, dst], defs = [dst], kills = []} | |
2252 | | pFUnA {dst, ...} | |
2253 | => {uses = [dst], defs = [dst], kills = []} | |
2254 | | pFPTAN {dst, ...} | |
2255 | => {uses = [dst], defs = [dst], kills = []} | |
2256 | | pFBinAS {src, dst, ...} | |
2257 | => {uses = [src, dst], defs = [dst], kills = []} | |
2258 | | pFBinASP {src, dst, ...} | |
2259 | => {uses = [src, dst], | |
2260 | defs = [dst], | |
2261 | kills = if Operand.eq(src,dst) | |
2262 | then [] | |
2263 | else [src]} | |
2264 | | FLD {src, ...} | |
2265 | => {uses = [src], | |
2266 | defs = [Operand.fltregister FltRegister.top], | |
2267 | kills = []} | |
2268 | | FST {dst, pop, ...} | |
2269 | => {uses = [Operand.fltregister FltRegister.top], | |
2270 | defs = [dst], | |
2271 | kills = if pop | |
2272 | then [Operand.fltregister FltRegister.top] | |
2273 | else []} | |
2274 | | FILD {src, ...} | |
2275 | => {uses = [src], | |
2276 | defs = [Operand.fltregister FltRegister.top], | |
2277 | kills = []} | |
2278 | | FIST {dst, pop, ...} | |
2279 | => {uses = [Operand.fltregister FltRegister.top], | |
2280 | defs = [dst], | |
2281 | kills = if pop | |
2282 | then [Operand.fltregister FltRegister.top] | |
2283 | else []} | |
2284 | | FXCH {src} | |
2285 | => {uses = [src, Operand.fltregister FltRegister.top], | |
2286 | defs = [src, Operand.fltregister FltRegister.top], | |
2287 | kills = []} | |
2288 | | FLDC {...} | |
2289 | => {uses = [], | |
2290 | defs = [Operand.fltregister FltRegister.top], | |
2291 | kills = []} | |
2292 | | FLDCW {src} | |
2293 | => {uses = [src], defs = [], kills = []} | |
2294 | | FSTCW {dst, ...} | |
2295 | => {uses = [], defs = [dst], kills = []} | |
2296 | | FSTSW {dst, ...} | |
2297 | => {uses = [], defs = [dst], kills = []} | |
2298 | | FCOM {src, pop, pop', ...} | |
2299 | => {uses = [src, Operand.fltregister FltRegister.top], | |
2300 | defs = [], | |
2301 | kills = if pop andalso pop' | |
2302 | then [Operand.fltregister FltRegister.top, src] | |
2303 | else if pop | |
2304 | then [Operand.fltregister FltRegister.top] | |
2305 | else []} | |
2306 | | FUCOM {src, pop, pop'} | |
2307 | => {uses = [src, Operand.fltregister FltRegister.top], | |
2308 | defs = [], | |
2309 | kills = if pop andalso pop' | |
2310 | then [Operand.fltregister FltRegister.top, src] | |
2311 | else if pop | |
2312 | then [Operand.fltregister FltRegister.top] | |
2313 | else []} | |
2314 | | FBinA {src, dst, pop, ...} | |
2315 | => {uses = [src, dst], | |
2316 | defs = [dst], | |
2317 | kills = if pop then [src] else []} | |
2318 | | FUnA {...} | |
2319 | => {uses = [Operand.fltregister FltRegister.top], | |
2320 | defs = [Operand.fltregister FltRegister.top], kills = []} | |
2321 | | FPTAN | |
2322 | => {uses = [Operand.fltregister FltRegister.top], | |
2323 | defs = [Operand.fltregister FltRegister.top], kills = []} | |
2324 | | FBinAS {...} | |
2325 | => {uses = [Operand.fltregister FltRegister.top, | |
2326 | Operand.fltregister FltRegister.one], | |
2327 | defs = [Operand.fltregister FltRegister.top, | |
2328 | Operand.fltregister FltRegister.one], | |
2329 | kills = []} | |
2330 | | FBinASP {...} | |
2331 | => {uses = [Operand.fltregister FltRegister.top, | |
2332 | Operand.fltregister FltRegister.one], | |
2333 | defs = [Operand.fltregister FltRegister.one], | |
2334 | kills = [Operand.fltregister FltRegister.top]} | |
2335 | ||
2336 | val hints | |
2337 | = fn pMD {dst, size, ...} | |
2338 | => let | |
2339 | val (hi,lo) | |
2340 | = case size | |
2341 | of Size.BYTE | |
2342 | => (Register.T {reg = Register.EAX, part = Register.H}, | |
2343 | Register.T {reg = Register.EAX, part = Register.L}) | |
2344 | | Size.WORD | |
2345 | => (Register.T {reg = Register.EDX, part = Register.X}, | |
2346 | Register.T {reg = Register.EAX, part = Register.X}) | |
2347 | | Size.LONG | |
2348 | => (Register.T {reg = Register.EDX, part = Register.E}, | |
2349 | Register.T {reg = Register.EAX, part = Register.E}) | |
2350 | | _ => Error.bug "x86.Instruction.hints: MD, size" | |
2351 | ||
2352 | val temp = MemLoc.temp {size = size} | |
2353 | in | |
2354 | [(temp, hi), | |
2355 | (case Operand.deMemloc dst | |
2356 | of SOME memloc => (memloc, lo) | |
2357 | | NONE => (temp, lo))] | |
2358 | end | |
2359 | | MD {src, size, ...} | |
2360 | => let | |
2361 | val (hi,lo) | |
2362 | = case size | |
2363 | of Size.BYTE | |
2364 | => (Register.T {reg = Register.EAX, part = Register.H}, | |
2365 | Register.T {reg = Register.EAX, part = Register.L}) | |
2366 | | Size.WORD | |
2367 | => (Register.T {reg = Register.EDX, part = Register.X}, | |
2368 | Register.T {reg = Register.EAX, part = Register.X}) | |
2369 | | Size.LONG | |
2370 | => (Register.T {reg = Register.EDX, part = Register.E}, | |
2371 | Register.T {reg = Register.EAX, part = Register.E}) | |
2372 | | _ => Error.bug "x86.Instruction.hints: MD, size" | |
2373 | ||
2374 | val temp = MemLoc.temp {size = size} | |
2375 | in | |
2376 | [(temp, hi), | |
2377 | (case Operand.deMemloc src | |
2378 | of SOME memloc => (memloc, lo) | |
2379 | | NONE => (temp, lo))] | |
2380 | end | |
2381 | | SRAL {count, size, ...} | |
2382 | => (case Operand.deMemloc count | |
2383 | of SOME memloc | |
2384 | => let | |
2385 | val reg | |
2386 | = case size | |
2387 | of Size.BYTE | |
2388 | => Register.T {reg = Register.ECX, | |
2389 | part = Register.L} | |
2390 | | Size.WORD | |
2391 | => Register.T {reg = Register.ECX, | |
2392 | part = Register.X} | |
2393 | | Size.LONG | |
2394 | => Register.T {reg = Register.ECX, | |
2395 | part = Register.E} | |
2396 | | _ => Error.bug "x86.Instruction.hints: SRAL, size" | |
2397 | in | |
2398 | [(memloc, reg)] | |
2399 | end | |
2400 | | NONE => []) | |
2401 | | pPUSH {base, ...} | |
2402 | => (case Operand.deMemloc base | |
2403 | of SOME base => [(base,Register.esp)] | |
2404 | | NONE => []) | |
2405 | | pPOP {base, ...} | |
2406 | => (case Operand.deMemloc base | |
2407 | of SOME base => [(base,Register.esp)] | |
2408 | | NONE => []) | |
2409 | | PUSH {...} | |
2410 | => let | |
2411 | val temp = MemLoc.temp {size = Size.LONG} | |
2412 | in | |
2413 | [(temp,Register.esp)] | |
2414 | end | |
2415 | | POP {...} | |
2416 | => let | |
2417 | val temp = MemLoc.temp {size = Size.LONG} | |
2418 | in | |
2419 | [(temp,Register.esp)] | |
2420 | end | |
2421 | | _ => [] | |
2422 | ||
2423 | val srcs_dsts | |
2424 | = fn NOP | |
2425 | => {srcs = NONE, dsts = NONE} | |
2426 | | HLT | |
2427 | => {srcs = NONE, dsts = NONE} | |
2428 | | BinAL {src, dst, ...} | |
2429 | => {srcs = SOME [src, dst], dsts = SOME [dst]} | |
2430 | | pMD {src, dst, ...} | |
2431 | => {srcs = SOME [src, dst], dsts = SOME [dst]} | |
2432 | | MD {oper, src, size, ...} | |
2433 | => let | |
2434 | val (hi,lo) | |
2435 | = case size | |
2436 | of Size.BYTE | |
2437 | => (Register.T {reg = Register.EAX, part = Register.H}, | |
2438 | Register.T {reg = Register.EAX, part = Register.L}) | |
2439 | | Size.WORD | |
2440 | => (Register.T {reg = Register.EDX, part = Register.X}, | |
2441 | Register.T {reg = Register.EAX, part = Register.X}) | |
2442 | | Size.LONG | |
2443 | => (Register.T {reg = Register.EDX, part = Register.E}, | |
2444 | Register.T {reg = Register.EAX, part = Register.E}) | |
2445 | | _ => Error.bug "x86.Instruction.srcs_dsts: MD, size" | |
2446 | in | |
2447 | if oper = IMUL orelse oper = MUL | |
2448 | then {srcs = SOME [src, | |
2449 | Operand.register lo], | |
2450 | dsts = SOME [Operand.register hi, | |
2451 | Operand.register lo]} | |
2452 | else {srcs = SOME [src, | |
2453 | Operand.register hi, | |
2454 | Operand.register lo], | |
2455 | dsts = SOME [Operand.register hi, | |
2456 | Operand.register lo]} | |
2457 | end | |
2458 | | IMUL2 {src, dst, ...} | |
2459 | => {srcs = SOME [src, dst], dsts = SOME [dst]} | |
2460 | | UnAL {dst, ...} | |
2461 | => {srcs = SOME [dst], dsts = SOME [dst]} | |
2462 | | SRAL {count, dst, size, ...} | |
2463 | => if isSome (Operand.deMemloc count) | |
2464 | then let | |
2465 | val reg | |
2466 | = case size | |
2467 | of Size.BYTE | |
2468 | => Register.T {reg = Register.ECX, | |
2469 | part = Register.L} | |
2470 | | Size.WORD | |
2471 | => Register.T {reg = Register.ECX, | |
2472 | part = Register.X} | |
2473 | | Size.LONG | |
2474 | => Register.T {reg = Register.ECX, | |
2475 | part = Register.E} | |
2476 | | _ => Error.bug "x86.Instruction.srcs_dsts: SRAL, size" | |
2477 | in | |
2478 | {srcs = SOME [count, dst, Operand.register reg], | |
2479 | dsts = SOME [dst]} | |
2480 | end | |
2481 | else {srcs = SOME [count, dst], | |
2482 | dsts = SOME [dst]} | |
2483 | | CMP {src1, src2, ...} | |
2484 | => {srcs = SOME [src1, src2], dsts = NONE} | |
2485 | | TEST {src1, src2, ...} | |
2486 | => {srcs = SOME [src1, src2], dsts = NONE} | |
2487 | | SETcc {dst, ...} | |
2488 | => {srcs = NONE, dsts = SOME [dst]} | |
2489 | | JMP {target, ...} | |
2490 | => {srcs = SOME [target], dsts = NONE} | |
2491 | | Jcc {target, ...} | |
2492 | => {srcs = SOME [target], dsts = NONE} | |
2493 | | CALL {target, ...} | |
2494 | => {srcs = SOME [target], dsts = NONE} | |
2495 | | RET {src} | |
2496 | => {srcs = case src of NONE => NONE | SOME src => SOME [src], | |
2497 | dsts = NONE} | |
2498 | | MOV {src, dst, ...} | |
2499 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2500 | | CMOVcc {src, dst, ...} | |
2501 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2502 | | XCHG {src, dst, ...} | |
2503 | => {srcs = SOME [src,dst], dsts = SOME [src,dst]} | |
2504 | | pPUSH {src, base, ...} | |
2505 | => {srcs = SOME [src,base], dsts = SOME [base]} | |
2506 | | pPOP {dst, base, ...} | |
2507 | => {srcs = SOME [base], dsts = SOME [dst,base]} | |
2508 | | PUSH {src, ...} | |
2509 | => {srcs = SOME [src, Operand.register Register.esp], | |
2510 | dsts = SOME [Operand.register Register.esp]} | |
2511 | | POP {dst, ...} | |
2512 | => {srcs = SOME [Operand.register Register.esp], | |
2513 | dsts = SOME [dst, Operand.register Register.esp]} | |
2514 | | CX {size, ...} | |
2515 | => let | |
2516 | val (hi,lo) | |
2517 | = case size | |
2518 | of Size.BYTE | |
2519 | => (Register.T {reg = Register.EAX, part = Register.H}, | |
2520 | Register.T {reg = Register.EAX, part = Register.L}) | |
2521 | | Size.WORD | |
2522 | => (Register.T {reg = Register.EDX, part = Register.X}, | |
2523 | Register.T {reg = Register.EAX, part = Register.X}) | |
2524 | | Size.LONG | |
2525 | => (Register.T {reg = Register.EDX, part = Register.E}, | |
2526 | Register.T {reg = Register.EAX, part = Register.E}) | |
2527 | | _ => Error.bug "x86.Instruction.srcs_dsts: CX, size" | |
2528 | in | |
2529 | {srcs = SOME [Operand.register lo], | |
2530 | dsts = SOME [Operand.register hi, Operand.register lo]} | |
2531 | end | |
2532 | | MOVX {src, dst, ...} | |
2533 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2534 | | XVOM {src, dst, ...} | |
2535 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2536 | | LEA {src, dst, ...} | |
2537 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2538 | | pFMOV {src, dst, ...} | |
2539 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2540 | | pFMOVX {src, dst, ...} | |
2541 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2542 | | pFXVOM {src, dst, ...} | |
2543 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2544 | | pFLDC {dst, ...} | |
2545 | => {srcs = SOME [], dsts = SOME [dst]} | |
2546 | | pFMOVFI {src, dst, ...} | |
2547 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2548 | | pFMOVTI {src, dst, ...} | |
2549 | => {srcs = SOME [src], dsts = SOME [dst]} | |
2550 | | pFCOM {src1, src2, ...} | |
2551 | => {srcs = SOME [src1, src2], dsts = NONE} | |
2552 | | pFUCOM {src1, src2, ...} | |
2553 | => {srcs = SOME [src1, src2], dsts = NONE} | |
2554 | | pFBinA {src, dst, ...} | |
2555 | => {srcs = SOME [src, dst], dsts = SOME [dst]} | |
2556 | | pFUnA {dst, ...} | |
2557 | => {srcs = SOME [dst], dsts = SOME [dst]} | |
2558 | | pFPTAN {dst, ...} | |
2559 | => {srcs = SOME [dst], dsts = SOME [dst]} | |
2560 | | pFBinAS {src, dst, ...} | |
2561 | => {srcs = SOME [src, dst], dsts = SOME [dst]} | |
2562 | | pFBinASP {src, dst, ...} | |
2563 | => {srcs = SOME [src, dst], | |
2564 | dsts = SOME [dst]} | |
2565 | | FLD {src, ...} | |
2566 | => {srcs = SOME [src], | |
2567 | dsts = SOME [Operand.fltregister FltRegister.top]} | |
2568 | | FST {dst, ...} | |
2569 | => {srcs = SOME [Operand.fltregister FltRegister.top], | |
2570 | dsts = SOME [dst]} | |
2571 | | FILD {src, ...} | |
2572 | => {srcs = SOME [src], | |
2573 | dsts = SOME [Operand.fltregister FltRegister.top]} | |
2574 | | FIST {dst, ...} | |
2575 | => {srcs = SOME [Operand.fltregister FltRegister.top], | |
2576 | dsts = SOME [dst]} | |
2577 | | FXCH {src} | |
2578 | => {srcs = SOME [src, Operand.fltregister FltRegister.top], | |
2579 | dsts = SOME [src, Operand.fltregister FltRegister.top]} | |
2580 | | FLDC {...} | |
2581 | => {srcs = NONE, | |
2582 | dsts = SOME [Operand.fltregister FltRegister.top]} | |
2583 | | FLDCW {src} | |
2584 | => {srcs = SOME [src], dsts = NONE} | |
2585 | | FSTCW {dst, ...} | |
2586 | => {srcs = NONE, dsts = SOME [dst]} | |
2587 | | FSTSW {dst, ...} | |
2588 | => {srcs = NONE, dsts = SOME [dst]} | |
2589 | | FCOM {src, ...} | |
2590 | => {srcs = SOME [src, Operand.fltregister FltRegister.top], | |
2591 | dsts = NONE} | |
2592 | | FUCOM {src, ...} | |
2593 | => {srcs = SOME [src, Operand.fltregister FltRegister.top], | |
2594 | dsts = NONE} | |
2595 | | FBinA {src, dst, ...} | |
2596 | => {srcs = SOME [src, dst], | |
2597 | dsts = SOME [dst]} | |
2598 | | FUnA {...} | |
2599 | => {srcs = SOME [Operand.fltregister FltRegister.top], | |
2600 | dsts = SOME [Operand.fltregister FltRegister.top]} | |
2601 | | FPTAN | |
2602 | => {srcs = SOME [Operand.fltregister FltRegister.top], | |
2603 | dsts = SOME [Operand.fltregister FltRegister.top]} | |
2604 | | FBinAS {...} | |
2605 | => {srcs = SOME [Operand.fltregister FltRegister.top, | |
2606 | Operand.fltregister FltRegister.one], | |
2607 | dsts = SOME [Operand.fltregister FltRegister.top, | |
2608 | Operand.fltregister FltRegister.one]} | |
2609 | | FBinASP {...} | |
2610 | => {srcs = SOME [Operand.fltregister FltRegister.top, | |
2611 | Operand.fltregister FltRegister.one], | |
2612 | dsts = SOME [Operand.fltregister FltRegister.one]} | |
2613 | ||
2614 | fun replace replacer | |
2615 | = fn NOP | |
2616 | => NOP | |
2617 | | HLT | |
2618 | => HLT | |
2619 | | BinAL {oper, src, dst, size} | |
2620 | => BinAL {oper = oper, | |
2621 | src = replacer {use = true, def = false} src, | |
2622 | dst = replacer {use = true, def = true} dst, | |
2623 | size = size} | |
2624 | | pMD {oper, src, dst, size} | |
2625 | => pMD {oper = oper, | |
2626 | src = replacer {use = true, def = false} src, | |
2627 | dst = replacer {use = true, def = true} dst, | |
2628 | size = size} | |
2629 | | MD {oper, src, size} | |
2630 | => MD {oper = oper, | |
2631 | src = replacer {use = true, def = false} src, | |
2632 | size = size} | |
2633 | | IMUL2 {src, dst, size} | |
2634 | => IMUL2 {src = replacer {use = true, def = false} src, | |
2635 | dst = replacer {use = true, def = true} dst, | |
2636 | size = size} | |
2637 | | UnAL {oper, dst, size} | |
2638 | => UnAL {oper = oper, | |
2639 | dst = replacer {use = true, def = true} dst, | |
2640 | size = size} | |
2641 | | SRAL {oper, count, dst, size} | |
2642 | => SRAL {oper = oper, | |
2643 | count = replacer {use = true, def = false} count, | |
2644 | dst = replacer {use = true, def = true} dst, | |
2645 | size = size} | |
2646 | | CMP {src1, src2, size} | |
2647 | => CMP {src1 = replacer {use = true, def = false} src1, | |
2648 | src2 = replacer {use = true, def = false} src2, | |
2649 | size = size} | |
2650 | | TEST {src1, src2, size} | |
2651 | => TEST {src1 = replacer {use = true, def = false} src1, | |
2652 | src2 = replacer {use = true, def = false} src2, | |
2653 | size = size} | |
2654 | | SETcc {condition, dst, size} | |
2655 | => SETcc {condition = condition, | |
2656 | dst = replacer {use = false, def = true} dst, | |
2657 | size = size} | |
2658 | | JMP {target, absolute} | |
2659 | => JMP {target = replacer {use = true, def = false} target, | |
2660 | absolute = absolute} | |
2661 | | Jcc {condition, target} | |
2662 | => Jcc {condition = condition, | |
2663 | target = replacer {use = true, def = false} target} | |
2664 | | CALL {target, absolute} | |
2665 | => CALL {target = replacer {use = true, def = false} target, | |
2666 | absolute = absolute} | |
2667 | | RET {src} | |
2668 | => (case src | |
2669 | of NONE => RET {src = NONE} | |
2670 | | SOME src | |
2671 | => RET {src = SOME (replacer {use = true, def = false} src)}) | |
2672 | | MOV {src, dst, size} | |
2673 | => MOV {src = replacer {use = true, def = false} src, | |
2674 | dst = replacer {use = false, def = true} dst, | |
2675 | size = size} | |
2676 | | CMOVcc {condition, src, dst, size} | |
2677 | => CMOVcc {condition = condition, | |
2678 | src = replacer {use = true, def = false} src, | |
2679 | dst = replacer {use = false, def = true} dst, | |
2680 | size = size} | |
2681 | | XCHG {src, dst, size} | |
2682 | => XCHG {src = replacer {use = true, def = true} src, | |
2683 | dst = replacer {use = true, def = true} dst, | |
2684 | size = size} | |
2685 | | pPUSH {src, base, size} | |
2686 | => pPUSH {src = replacer {use = true, def = false} src, | |
2687 | base = replacer {use = true, def = true} base, | |
2688 | size = size} | |
2689 | | pPOP {dst, base, size} | |
2690 | => pPOP {dst = replacer {use = false, def = true} dst, | |
2691 | base = replacer {use = true, def = true} base, | |
2692 | size = size} | |
2693 | | PUSH {src, size} | |
2694 | => PUSH {src = replacer {use = true, def = false} src, | |
2695 | size = size} | |
2696 | | POP {dst, size} | |
2697 | => POP {dst = replacer {use = false, def = true} dst, | |
2698 | size = size} | |
2699 | | CX {size} | |
2700 | => CX {size = size} | |
2701 | | MOVX {oper, src, srcsize, dst, dstsize} | |
2702 | => MOVX {oper = oper, | |
2703 | src = replacer {use = true, def = false} src, | |
2704 | srcsize = srcsize, | |
2705 | dst = replacer {use = false, def = true} dst, | |
2706 | dstsize = dstsize} | |
2707 | | XVOM {src, srcsize, dst, dstsize} | |
2708 | => XVOM {src = replacer {use = true, def = false} src, | |
2709 | srcsize = srcsize, | |
2710 | dst = replacer {use = false, def = true} dst, | |
2711 | dstsize = dstsize} | |
2712 | | LEA {src, dst, size} | |
2713 | => LEA {src = replacer {use = true, def = false} src, | |
2714 | dst = replacer {use = false, def = true} dst, | |
2715 | size = size} | |
2716 | | pFMOV {src, dst, size} | |
2717 | => pFMOV {src = replacer {use = true, def = false} src, | |
2718 | dst = replacer {use = false, def = true} dst, | |
2719 | size = size} | |
2720 | | pFMOVX {src, dst, srcsize, dstsize} | |
2721 | => pFMOVX {src = replacer {use = true, def = false} src, | |
2722 | dst = replacer {use = false, def = true} dst, | |
2723 | srcsize = srcsize, dstsize = dstsize} | |
2724 | | pFXVOM {src, dst, srcsize, dstsize} | |
2725 | => pFXVOM {src = replacer {use = true, def = false} src, | |
2726 | dst = replacer {use = false, def = true} dst, | |
2727 | srcsize = srcsize, dstsize = dstsize} | |
2728 | | pFLDC {oper, dst, size} | |
2729 | => pFLDC {oper = oper, | |
2730 | dst = replacer {use = false, def = true} dst, | |
2731 | size = size} | |
2732 | | pFMOVFI {src, srcsize, dst, dstsize} | |
2733 | => pFMOVFI {src = replacer {use = true, def = false} src, | |
2734 | srcsize = srcsize, | |
2735 | dst = replacer {use = false, def = true} dst, | |
2736 | dstsize = dstsize} | |
2737 | | pFMOVTI {src, dst, srcsize, dstsize} | |
2738 | => pFMOVTI {src = replacer {use = true, def = false} src, | |
2739 | srcsize = srcsize, | |
2740 | dst = replacer {use = false, def = true} dst, | |
2741 | dstsize = dstsize} | |
2742 | | pFCOM {src1, src2, size} | |
2743 | => pFCOM {src1 = replacer {use = true, def = false} src1, | |
2744 | src2 = replacer {use = true, def = false} src2, | |
2745 | size = size} | |
2746 | | pFUCOM {src1, src2, size} | |
2747 | => pFUCOM {src1 = replacer {use = true, def = false} src1, | |
2748 | src2 = replacer {use = true, def = false} src2, | |
2749 | size = size} | |
2750 | | pFBinA {oper, src, dst, size} | |
2751 | => pFBinA {oper = oper, | |
2752 | src = replacer {use = true, def = false} src, | |
2753 | dst = replacer {use = true, def = true} dst, | |
2754 | size = size} | |
2755 | | pFUnA {oper, dst, size} | |
2756 | => pFUnA {oper = oper, | |
2757 | dst = replacer {use = true, def = true} dst, | |
2758 | size = size} | |
2759 | | pFPTAN {dst, size} | |
2760 | => pFPTAN {dst = replacer {use = true, def = true} dst, | |
2761 | size = size} | |
2762 | | pFBinAS {oper, src, dst, size} | |
2763 | => pFBinAS {oper = oper, | |
2764 | src = replacer {use = true, def = false} src, | |
2765 | dst = replacer {use = true, def = true} dst, | |
2766 | size = size} | |
2767 | | pFBinASP {oper, src, dst, size} | |
2768 | => pFBinASP {oper = oper, | |
2769 | src = replacer {use = true, def = true} src, | |
2770 | dst = replacer {use = true, def = true} dst, | |
2771 | size = size} | |
2772 | | FLD {src, size} | |
2773 | => FLD {src = replacer {use = true, def = false} src, | |
2774 | size = size} | |
2775 | | FST {dst, size, pop} | |
2776 | => FST {dst = replacer {use = false, def = true} dst, | |
2777 | size = size, | |
2778 | pop = pop} | |
2779 | | FILD {src, size} | |
2780 | => FILD {src = replacer {use = true, def = false} src, | |
2781 | size = size} | |
2782 | | FIST {dst, size, pop} | |
2783 | => FIST {dst = replacer {use = false, def = true} dst, | |
2784 | size = size, | |
2785 | pop = pop} | |
2786 | | FXCH {src} | |
2787 | => FXCH {src = replacer {use = true, def = true} src} | |
2788 | | FLDC {oper} | |
2789 | => FLDC {oper = oper} | |
2790 | | FLDCW {src} | |
2791 | => FLDCW {src = replacer {use = true, def = false} src} | |
2792 | | FSTCW {dst, check} | |
2793 | => FSTCW {dst = replacer {use = false, def = true} dst, | |
2794 | check = check} | |
2795 | | FSTSW {dst, check} | |
2796 | => FSTSW {dst = replacer {use = false, def = true} dst, | |
2797 | check = check} | |
2798 | | FCOM {src, size, pop, pop'} | |
2799 | => FCOM {src = replacer {use = true, def = false} src, | |
2800 | size = size, | |
2801 | pop = pop, | |
2802 | pop' = pop'} | |
2803 | | FUCOM {src, pop, pop'} | |
2804 | => FUCOM {src = replacer {use = true, def = false} src, | |
2805 | pop = pop, | |
2806 | pop' = pop'} | |
2807 | | FBinA {oper, src, dst, size, pop} | |
2808 | => FBinA {oper = oper, | |
2809 | src = replacer {use = true, def = false} src, | |
2810 | dst = replacer {use = true, def = true} dst, | |
2811 | size = size, | |
2812 | pop = pop} | |
2813 | | FUnA {oper} | |
2814 | => FUnA {oper = oper} | |
2815 | | FPTAN | |
2816 | => FPTAN | |
2817 | | FBinAS {oper} | |
2818 | => FBinAS {oper = oper} | |
2819 | | FBinASP {oper} | |
2820 | => FBinASP {oper = oper} | |
2821 | ||
2822 | val nop = fn () => NOP | |
2823 | val hlt = fn () => HLT | |
2824 | val binal = BinAL | |
2825 | val pmd = pMD | |
2826 | val md = MD | |
2827 | val imul2 = IMUL2 | |
2828 | val unal = UnAL | |
2829 | val sral = SRAL | |
2830 | val cmp = CMP | |
2831 | val test = TEST | |
2832 | val setcc = SETcc | |
2833 | val jmp = JMP | |
2834 | val jcc = Jcc | |
2835 | val call = CALL | |
2836 | val ret = RET | |
2837 | val mov = MOV | |
2838 | val cmovcc = CMOVcc | |
2839 | val xchg = XCHG | |
2840 | val ppush = pPUSH | |
2841 | val ppop = pPOP | |
2842 | val push = PUSH | |
2843 | val pop = POP | |
2844 | val cx = CX | |
2845 | val movx = MOVX | |
2846 | val xvom = XVOM | |
2847 | val lea = LEA | |
2848 | val pfmov = pFMOV | |
2849 | val pfmovx = pFMOVX | |
2850 | val pfxvom = pFXVOM | |
2851 | val pfldc = pFLDC | |
2852 | val pfmovfi = pFMOVFI | |
2853 | val pfmovti = pFMOVTI | |
2854 | val pfcom = pFCOM | |
2855 | val pfucom = pFUCOM | |
2856 | val pfbina = pFBinA | |
2857 | val pfuna = pFUnA | |
2858 | val pfptan = pFPTAN | |
2859 | val pfbinas = pFBinAS | |
2860 | val pfbinasp = pFBinASP | |
2861 | val fld = FLD | |
2862 | val fst = FST | |
2863 | val fild = FILD | |
2864 | val fist = FIST | |
2865 | val fxch = FXCH | |
2866 | val fldc = FLDC | |
2867 | val fldcw = FLDCW | |
2868 | val fstcw = FSTCW | |
2869 | val fstsw = FSTSW | |
2870 | val fcom = FCOM | |
2871 | val fucom = FUCOM | |
2872 | val fbina = FBinA | |
2873 | val funa = FUnA | |
2874 | val fptan = fn () => FPTAN | |
2875 | val fbinas = FBinAS | |
2876 | val fbinasp = FBinASP | |
2877 | end | |
2878 | ||
2879 | structure Directive = | |
2880 | struct | |
2881 | structure Id = | |
2882 | struct | |
2883 | val num : int ref = ref 0 | |
2884 | datatype t = T of {num : int, | |
2885 | plist: PropertyList.t} | |
2886 | fun new () = let | |
2887 | val id = T {num = !num, | |
2888 | plist = PropertyList.new ()} | |
2889 | val _ = Int.inc num | |
2890 | in | |
2891 | id | |
2892 | end | |
2893 | val plist = fn T {plist, ...} => plist | |
2894 | val layout | |
2895 | = let | |
2896 | open Layout | |
2897 | in | |
2898 | fn T {num, ...} => seq [str "RegAlloc", Int.layout num] | |
2899 | end | |
2900 | val toString = Layout.toString o layout | |
2901 | end | |
2902 | ||
2903 | datatype t | |
2904 | (* Transfers *) | |
2905 | (* Assert that a memloc is in a register with properties; | |
2906 | * used at top of basic blocks to establish passing convention. | |
2907 | *) | |
2908 | = Assume of {assumes: {register: Register.t, | |
2909 | memloc: MemLoc.t, | |
2910 | weight: int, | |
2911 | sync: bool, | |
2912 | reserve: bool} list} | |
2913 | | FltAssume of {assumes: {memloc: MemLoc.t, | |
2914 | weight: int, | |
2915 | sync: bool} list} | |
2916 | (* Ensure that memloc is in the register, possibly reserverd; | |
2917 | * used at bot of basic blocks to establish passing convention, | |
2918 | * also used before C calls to set-up %esp. | |
2919 | *) | |
2920 | | Cache of {caches: {register: Register.t, | |
2921 | memloc: MemLoc.t, | |
2922 | reserve: bool} list} | |
2923 | | FltCache of {caches: {memloc: MemLoc.t} list} | |
2924 | (* Reset the register allocation; | |
2925 | * used at bot of basic blocks that fall-thru | |
2926 | * to a block with multiple incoming paths of control. | |
2927 | *) | |
2928 | | Reset | |
2929 | (* Ensure that memlocs are commited to memory; | |
2930 | * used at bot of basic blocks to establish passing conventions | |
2931 | *) | |
2932 | | Force of {commit_memlocs: MemLocSet.t, | |
2933 | commit_classes: ClassSet.t, | |
2934 | remove_memlocs: MemLocSet.t, | |
2935 | remove_classes: ClassSet.t, | |
2936 | dead_memlocs: MemLocSet.t, | |
2937 | dead_classes: ClassSet.t} | |
2938 | (* C calls *) | |
2939 | (* Prepare for a C call; i.e., clear all caller save registers; | |
2940 | * also, clear the flt. register stack; | |
2941 | * used before C calls. | |
2942 | *) | |
2943 | | CCall | |
2944 | (* Assert the return value; | |
2945 | * used after C calls. | |
2946 | *) | |
2947 | | Return of {returns: {src: Operand.t, dst: MemLoc.t} list} | |
2948 | (* Misc. *) | |
2949 | (* Assert that the register is not free for the allocator; | |
2950 | * used ??? | |
2951 | *) | |
2952 | | Reserve of {registers: Register.t list} | |
2953 | (* Assert that the register is free for the allocator; | |
2954 | * used to free registers at fall-thru; | |
2955 | * also used after C calls to free %esp. | |
2956 | *) | |
2957 | | Unreserve of {registers : Register.t list} | |
2958 | (* Clear the floating point stack; | |
2959 | * used at bot of basic blocks to establish passing convention | |
2960 | *) | |
2961 | | ClearFlt | |
2962 | (* Save the register allocation in id and | |
2963 | * assert that live are used at this point; | |
2964 | * used at bot of basic blocks to delay establishment | |
2965 | * of passing convention to compensation block | |
2966 | *) | |
2967 | | SaveRegAlloc of {live: MemLocSet.t, | |
2968 | id: Id.t} | |
2969 | (* Restore the register allocation from id and | |
2970 | * remove anything tracked that is not live; | |
2971 | * used at bot of basic blocks to delay establishment | |
2972 | * of passing convention to compensation block | |
2973 | *) | |
2974 | | RestoreRegAlloc of {live: MemLocSet.t, | |
2975 | id: Id.t} | |
2976 | ||
2977 | val toString | |
2978 | = fn Assume {assumes} | |
2979 | => concat["Assume: ", | |
2980 | "assumes: ", | |
2981 | List.fold | |
2982 | (assumes, | |
2983 | "", | |
2984 | fn ({register, memloc, sync, reserve, ...}, s) | |
2985 | => concat[MemLoc.toString memloc, | |
2986 | " -> ", Register.toString register, | |
2987 | if reserve then " (reserved)" else "", | |
2988 | if sync then " (sync)" else "", | |
2989 | " ", | |
2990 | s])] | |
2991 | | FltAssume {assumes} | |
2992 | => concat["FltAssume: ", | |
2993 | "assumes: ", | |
2994 | List.fold | |
2995 | (assumes, | |
2996 | "", | |
2997 | fn ({memloc, sync, ...}, s) | |
2998 | => concat[MemLoc.toString memloc, | |
2999 | if sync then " (sync)" else "", | |
3000 | " ", | |
3001 | s])] | |
3002 | | Cache {caches} | |
3003 | => concat["Cache: ", | |
3004 | "caches: ", | |
3005 | List.fold | |
3006 | (caches, | |
3007 | "", | |
3008 | fn ({register, memloc, reserve}, s) | |
3009 | => concat[MemLoc.toString memloc, | |
3010 | " -> ", Register.toString register, | |
3011 | if reserve then " (reserved)" else "", | |
3012 | " ", | |
3013 | s])] | |
3014 | | FltCache {caches} | |
3015 | => concat["FltCache: ", | |
3016 | "caches: ", | |
3017 | List.fold | |
3018 | (caches, | |
3019 | "", | |
3020 | fn ({memloc}, s) | |
3021 | => concat[MemLoc.toString memloc, | |
3022 | " ", | |
3023 | s])] | |
3024 | | Force {commit_memlocs, commit_classes, | |
3025 | remove_memlocs, remove_classes, | |
3026 | dead_memlocs, dead_classes} | |
3027 | => concat["Force: ", | |
3028 | "commit_memlocs: ", | |
3029 | MemLocSet.fold | |
3030 | (commit_memlocs, | |
3031 | "", | |
3032 | fn (memloc,s) | |
3033 | => concat[MemLoc.toString memloc, " ", s]), | |
3034 | "commit_classes: ", | |
3035 | ClassSet.fold | |
3036 | (commit_classes, | |
3037 | "", | |
3038 | fn (class,s) | |
3039 | => concat[MemLoc.Class.toString class, " ", s]), | |
3040 | "remove_memlocs: ", | |
3041 | MemLocSet.fold | |
3042 | (remove_memlocs, | |
3043 | "", | |
3044 | fn (memloc,s) | |
3045 | => concat[MemLoc.toString memloc, " ", s]), | |
3046 | "remove_classes: ", | |
3047 | ClassSet.fold | |
3048 | (remove_classes, | |
3049 | "", | |
3050 | fn (class,s) | |
3051 | => concat[MemLoc.Class.toString class, " ", s]), | |
3052 | "dead_memlocs: ", | |
3053 | MemLocSet.fold | |
3054 | (dead_memlocs, | |
3055 | "", | |
3056 | fn (memloc,s) | |
3057 | => concat[MemLoc.toString memloc, " ", s]), | |
3058 | "dead_classes: ", | |
3059 | ClassSet.fold | |
3060 | (dead_classes, | |
3061 | "", | |
3062 | fn (class,s) | |
3063 | => concat[MemLoc.Class.toString class, " ", s])] | |
3064 | | Reset | |
3065 | => concat["Reset"] | |
3066 | | CCall | |
3067 | => concat["CCall"] | |
3068 | | Return {returns} | |
3069 | => concat["Return: ", List.toString (fn {src,dst} => | |
3070 | concat ["(", Operand.toString src, | |
3071 | ",", MemLoc.toString dst, ")"]) returns] | |
3072 | | Reserve {registers} | |
3073 | => concat["Reserve: ", | |
3074 | "registers: ", | |
3075 | List.fold(registers, | |
3076 | "", | |
3077 | fn (register,s) | |
3078 | => concat[Register.toString register, " ", s])] | |
3079 | | Unreserve {registers} | |
3080 | => concat["Unreserve: ", | |
3081 | "registers: ", | |
3082 | List.fold(registers, | |
3083 | "", | |
3084 | fn (register,s) | |
3085 | => concat[Register.toString register, " ", s])] | |
3086 | | ClearFlt | |
3087 | => concat["ClearFlt"] | |
3088 | | SaveRegAlloc {live, id} | |
3089 | => concat["SaveRegAlloc: ", | |
3090 | "live: ", | |
3091 | MemLocSet.fold | |
3092 | (live, | |
3093 | "", | |
3094 | fn (memloc,s) | |
3095 | => concat[MemLoc.toString memloc, " ", s]), | |
3096 | Id.toString id] | |
3097 | | RestoreRegAlloc {live, id} | |
3098 | => concat["RestoreRegAlloc: ", | |
3099 | "live: ", | |
3100 | MemLocSet.fold | |
3101 | (live, | |
3102 | "", | |
3103 | fn (memloc,s) | |
3104 | => concat[MemLoc.toString memloc, " ", s]), | |
3105 | Id.toString id] | |
3106 | val layout = Layout.str o toString | |
3107 | ||
3108 | val uses_defs_kills | |
3109 | = fn Assume {assumes} | |
3110 | => List.fold | |
3111 | (assumes, | |
3112 | {uses = [], defs = [], kills = []}, | |
3113 | fn ({register, memloc, ...}, | |
3114 | {uses, defs, ...}) | |
3115 | => {uses = (Operand.memloc memloc)::uses, | |
3116 | defs = (Operand.register register)::defs, | |
3117 | kills = []}) | |
3118 | | FltAssume {assumes} | |
3119 | => List.fold | |
3120 | (assumes, | |
3121 | {uses = [], defs = [], kills = []}, | |
3122 | fn ({memloc, ...}, | |
3123 | {uses, defs, ...}) | |
3124 | => {uses = (Operand.memloc memloc)::uses, | |
3125 | defs = defs, | |
3126 | kills = []}) | |
3127 | | Cache {caches} | |
3128 | => List.fold | |
3129 | (caches, | |
3130 | {uses = [], defs = [], kills = []}, | |
3131 | fn ({register, memloc, ...}, | |
3132 | {uses, defs, ...}) | |
3133 | => {uses = (Operand.memloc memloc)::uses, | |
3134 | defs = (Operand.register register)::defs, | |
3135 | kills = []}) | |
3136 | | FltCache {caches} | |
3137 | => List.fold | |
3138 | (caches, | |
3139 | {uses = [], defs = [], kills = []}, | |
3140 | fn ({memloc, ...}, | |
3141 | {uses, defs, ...}) | |
3142 | => {uses = (Operand.memloc memloc)::uses, | |
3143 | defs = defs, | |
3144 | kills = []}) | |
3145 | | Reset => {uses = [], defs = [], kills = []} | |
3146 | | Force {commit_memlocs, remove_memlocs, ...} | |
3147 | => {uses = List.map(MemLocSet.toList commit_memlocs, Operand.memloc) @ | |
3148 | List.map(MemLocSet.toList remove_memlocs, Operand.memloc), | |
3149 | defs = [], | |
3150 | kills = []} | |
3151 | | CCall => {uses = [], defs = [], kills = []} | |
3152 | | Return {returns} | |
3153 | => let | |
3154 | val uses = List.map(returns, fn {src, ...} => src) | |
3155 | val defs = List.map(returns, fn {dst, ...} => Operand.memloc dst) | |
3156 | in | |
3157 | {uses = uses, defs = defs, kills = []} | |
3158 | end | |
3159 | | Reserve {...} => {uses = [], defs = [], kills = []} | |
3160 | | Unreserve {...} => {uses = [], defs = [], kills = []} | |
3161 | | ClearFlt => {uses = [], defs = [], kills = []} | |
3162 | | SaveRegAlloc {live, ...} | |
3163 | => {uses = List.map(MemLocSet.toList live, Operand.memloc), | |
3164 | defs = [], | |
3165 | kills = []} | |
3166 | | RestoreRegAlloc {...} | |
3167 | => {uses = [], defs = [], kills = []} | |
3168 | ||
3169 | val hints | |
3170 | = fn Cache {caches} | |
3171 | => List.map | |
3172 | (caches, | |
3173 | fn {register, memloc, ...} | |
3174 | => (memloc, register)) | |
3175 | | _ => [] | |
3176 | ||
3177 | fun replace replacer | |
3178 | = fn Assume {assumes} | |
3179 | => Assume {assumes | |
3180 | = List.map | |
3181 | (assumes, | |
3182 | fn {register, memloc, weight, sync, reserve} | |
3183 | => {register = register, | |
3184 | memloc = memloc, | |
3185 | weight = weight, | |
3186 | sync = sync, | |
3187 | reserve = reserve})} | |
3188 | | FltAssume {assumes} | |
3189 | => FltAssume {assumes | |
3190 | = List.map | |
3191 | (assumes, | |
3192 | fn {memloc, weight, sync} | |
3193 | => {memloc = memloc, | |
3194 | weight = weight, | |
3195 | sync = sync})} | |
3196 | | Cache {caches} | |
3197 | => Cache {caches | |
3198 | = List.map | |
3199 | (caches, | |
3200 | fn {register, memloc, reserve} | |
3201 | => {register = case replacer {use = false, def = true} | |
3202 | (Operand.register register) | |
3203 | of Operand.Register register => register | |
3204 | | _ => Error.bug "x86.Directive.replace: Cache, register", | |
3205 | memloc = case replacer {use = true, def = false} | |
3206 | (Operand.memloc memloc) | |
3207 | of Operand.MemLoc memloc => memloc | |
3208 | | _ => Error.bug "x86.Directive.replace: Cache, memloc", | |
3209 | reserve = reserve})} | |
3210 | | FltCache {caches} | |
3211 | => FltCache {caches | |
3212 | = List.map | |
3213 | (caches, | |
3214 | fn {memloc} | |
3215 | => {memloc = case replacer {use = true, def = false} | |
3216 | (Operand.memloc memloc) | |
3217 | of Operand.MemLoc memloc => memloc | |
3218 | | _ => Error.bug "x86.Directive.replace: FltCache, memloc"})} | |
3219 | | Reset => Reset | |
3220 | | Force {commit_memlocs, commit_classes, | |
3221 | remove_memlocs, remove_classes, | |
3222 | dead_memlocs, dead_classes} | |
3223 | => Force {commit_memlocs = MemLocSet.map | |
3224 | (commit_memlocs, | |
3225 | fn memloc | |
3226 | => case replacer | |
3227 | {use = true, def = false} | |
3228 | (Operand.memloc memloc) | |
3229 | of Operand.MemLoc memloc => memloc | |
3230 | | _ => Error.bug "x86.Directive.replace: Force, commit_memlocs"), | |
3231 | commit_classes = commit_classes, | |
3232 | remove_memlocs = MemLocSet.map | |
3233 | (remove_memlocs, | |
3234 | fn memloc | |
3235 | => case replacer | |
3236 | {use = true, def = false} | |
3237 | (Operand.memloc memloc) | |
3238 | of Operand.MemLoc memloc => memloc | |
3239 | | _ => Error.bug "x86.Directive.replace: Force, remove_memlocs"), | |
3240 | remove_classes = remove_classes, | |
3241 | dead_memlocs = MemLocSet.map | |
3242 | (dead_memlocs, | |
3243 | fn memloc | |
3244 | => case replacer | |
3245 | {use = false, def = false} | |
3246 | (Operand.memloc memloc) | |
3247 | of Operand.MemLoc memloc => memloc | |
3248 | | _ => Error.bug "x86.Directive.replace: Force, dead_memlocs"), | |
3249 | dead_classes = dead_classes} | |
3250 | | CCall => CCall | |
3251 | | Return {returns} | |
3252 | => Return {returns = List.map | |
3253 | (returns, fn {src,dst} => | |
3254 | {src = src, | |
3255 | dst = | |
3256 | case replacer {use = true, def = false} | |
3257 | (Operand.memloc dst) | |
3258 | of Operand.MemLoc memloc => memloc | |
3259 | | _ => Error.bug "x86.Directive.replace: Return, returns"})} | |
3260 | | Reserve {registers} => Reserve {registers = registers} | |
3261 | | Unreserve {registers} => Unreserve {registers = registers} | |
3262 | | ClearFlt => ClearFlt | |
3263 | | SaveRegAlloc {live, id} => SaveRegAlloc {live = live, id = id} | |
3264 | | RestoreRegAlloc {live, id} => RestoreRegAlloc {live = live, id = id} | |
3265 | ||
3266 | val assume = Assume | |
3267 | val fltassume = FltAssume | |
3268 | val cache = Cache | |
3269 | val fltcache = FltCache | |
3270 | val reset = fn () => Reset | |
3271 | val force = Force | |
3272 | val ccall = fn () => CCall | |
3273 | val return = Return | |
3274 | val reserve = Reserve | |
3275 | val unreserve = Unreserve | |
3276 | val saveregalloc = SaveRegAlloc | |
3277 | val restoreregalloc = RestoreRegAlloc | |
3278 | val clearflt = fn () => ClearFlt | |
3279 | end | |
3280 | ||
3281 | structure PseudoOp = | |
3282 | struct | |
3283 | datatype t | |
3284 | = Data | |
3285 | | Text | |
3286 | | SymbolStub | |
3287 | | NonLazySymbolPointer | |
3288 | | Balign of Immediate.t * Immediate.t option * Immediate.t option | |
3289 | | P2align of Immediate.t * Immediate.t option * Immediate.t option | |
3290 | | Space of Immediate.t * Immediate.t | |
3291 | | Byte of Immediate.t list | |
3292 | | Word of Immediate.t list | |
3293 | | Long of Immediate.t list | |
3294 | | String of string list | |
3295 | | Global of Label.t | |
3296 | | Hidden of Label.t | |
3297 | | IndirectSymbol of Label.t | |
3298 | | Local of Label.t | |
3299 | | Comm of Label.t * Immediate.t * Immediate.t option | |
3300 | ||
3301 | val layout | |
3302 | = let | |
3303 | open Layout | |
3304 | in | |
3305 | fn Data => str ".data" | |
3306 | | Text => str ".text" | |
3307 | | SymbolStub | |
3308 | => str ".section __IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5" | |
3309 | | NonLazySymbolPointer | |
3310 | => str ".section __IMPORT,__pointers,non_lazy_symbol_pointers" | |
3311 | | Balign (i,fill,max) | |
3312 | => seq [str ".balign ", | |
3313 | Immediate.layout i, | |
3314 | case (fill, max) | |
3315 | of (NONE, NONE) => empty | |
3316 | | (SOME fill, NONE) => seq [str ",", | |
3317 | Immediate.layout fill] | |
3318 | | (NONE, SOME max) => seq [str ",,", | |
3319 | Immediate.layout max] | |
3320 | | (SOME fill, SOME max) => seq [str ",", | |
3321 | Immediate.layout fill, | |
3322 | str ",", | |
3323 | Immediate.layout max]] | |
3324 | | P2align (i,fill,max) | |
3325 | => seq [str ".p2align ", | |
3326 | Immediate.layout i, | |
3327 | case (fill, max) | |
3328 | of (NONE, NONE) => empty | |
3329 | | (SOME fill, NONE) => seq [str ",", | |
3330 | Immediate.layout fill] | |
3331 | | (NONE, SOME max) => seq [str ",,", | |
3332 | Immediate.layout max] | |
3333 | | (SOME fill, SOME max) => seq [str ",", | |
3334 | Immediate.layout fill, | |
3335 | str ",", | |
3336 | Immediate.layout max]] | |
3337 | | Space (i,f) | |
3338 | => seq [str ".space ", | |
3339 | Immediate.layout i, | |
3340 | str ",", | |
3341 | Immediate.layout f] | |
3342 | | Byte bs | |
3343 | => seq [str ".byte ", | |
3344 | seq (separate(List.map (bs, Immediate.layout), ","))] | |
3345 | | Word ws | |
3346 | => seq [str ".word ", | |
3347 | seq (separate(List.map (ws, Immediate.layout), ","))] | |
3348 | | Long ls | |
3349 | => seq [str ".long ", | |
3350 | seq (separate(List.map (ls, Immediate.layout), ","))] | |
3351 | | String ss | |
3352 | => seq [str ".ascii ", | |
3353 | seq (separate(List.map | |
3354 | (ss, | |
3355 | fn s => seq [str "\"", | |
3356 | str (String_escapeASM s), | |
3357 | str "\""]), | |
3358 | ","))] | |
3359 | | Global l | |
3360 | => seq [str ".globl ", | |
3361 | Label.layout l] | |
3362 | | Hidden l | |
3363 | => (* visibility directive depends on target object file *) | |
3364 | let | |
3365 | val elf = seq [str ".hidden ", Label.layout l] | |
3366 | val macho = seq [str ".private_extern ", Label.layout l] | |
3367 | val coff = seq [str "/* ", str ".hidden ", Label.layout l, str " */"] | |
3368 | in | |
3369 | case !Control.Target.os of | |
3370 | MLton.Platform.OS.Cygwin => coff | |
3371 | | MLton.Platform.OS.Darwin => macho | |
3372 | | MLton.Platform.OS.MinGW => coff | |
3373 | | _ => elf | |
3374 | end | |
3375 | | IndirectSymbol l | |
3376 | => seq [str ".indirect_symbol ", | |
3377 | Label.layout l] | |
3378 | | Local l | |
3379 | => seq [str ".local ", | |
3380 | Label.layout l] | |
3381 | | Comm (l, i, a) | |
3382 | => seq [str ".comm ", | |
3383 | Label.layout l, | |
3384 | str ",", | |
3385 | Immediate.layout i, | |
3386 | case a of NONE => empty | |
3387 | | SOME i => seq [str ",", Immediate.layout i]] | |
3388 | end | |
3389 | val toString = Layout.toString o layout | |
3390 | ||
3391 | fun replace replacer | |
3392 | = let | |
3393 | val replacerLabel | |
3394 | = fn label | |
3395 | => case Operand.deLabel | |
3396 | (replacer {use = true, def = false} | |
3397 | (Operand.label label)) | |
3398 | of SOME label => label | |
3399 | | NONE => Error.bug "x86.PseudoOp.replace.replacerLabel" | |
3400 | val replacerImmediate | |
3401 | = fn immediate | |
3402 | => case Operand.deImmediate | |
3403 | (replacer {use = true, def = false} | |
3404 | (Operand.immediate immediate)) | |
3405 | of SOME immediate => immediate | |
3406 | | NONE => Error.bug "x86.PseudoOp.replace.replacerImmediate" | |
3407 | in | |
3408 | fn Data => Data | |
3409 | | Text => Text | |
3410 | | SymbolStub => SymbolStub | |
3411 | | NonLazySymbolPointer => NonLazySymbolPointer | |
3412 | | Balign (i,fill,max) => Balign (replacerImmediate i, | |
3413 | Option.map(fill, replacerImmediate), | |
3414 | Option.map(max, replacerImmediate)) | |
3415 | | P2align (i,fill,max) => P2align (replacerImmediate i, | |
3416 | Option.map(fill, replacerImmediate), | |
3417 | Option.map(max, replacerImmediate)) | |
3418 | | Space (i,f) => Space (replacerImmediate i, replacerImmediate f) | |
3419 | | Byte bs => Byte (List.map(bs, replacerImmediate)) | |
3420 | | Word ws => Word (List.map(ws, replacerImmediate)) | |
3421 | | Long ls => Long (List.map(ls, replacerImmediate)) | |
3422 | | String ss => String ss | |
3423 | | Global l => Global (replacerLabel l) | |
3424 | | Hidden l => Hidden (replacerLabel l) | |
3425 | | IndirectSymbol l => IndirectSymbol (replacerLabel l) | |
3426 | | Local l => Local (replacerLabel l) | |
3427 | | Comm (l, i, a) => Comm (replacerLabel l, | |
3428 | replacerImmediate i, | |
3429 | Option.map(a, replacerImmediate)) | |
3430 | end | |
3431 | ||
3432 | val data = fn () => Data | |
3433 | val text = fn () => Text | |
3434 | val symbol_stub = fn () => SymbolStub | |
3435 | val non_lazy_symbol_pointer = fn () => NonLazySymbolPointer | |
3436 | val balign = Balign | |
3437 | val p2align = P2align | |
3438 | val space = Space | |
3439 | val byte = Byte | |
3440 | val word = Word | |
3441 | val long = Long | |
3442 | val string = String | |
3443 | val global = Global | |
3444 | val hidden = Hidden | |
3445 | val indirect_symbol = IndirectSymbol | |
3446 | val locall = Local | |
3447 | val comm = Comm | |
3448 | end | |
3449 | ||
3450 | structure Assembly = | |
3451 | struct | |
3452 | datatype t | |
3453 | = Comment of string | |
3454 | | Directive of Directive.t | |
3455 | | PseudoOp of PseudoOp.t | |
3456 | | Label of Label.t | |
3457 | | Instruction of Instruction.t | |
3458 | ||
3459 | val layout | |
3460 | = let | |
3461 | open Layout | |
3462 | in | |
3463 | fn Comment s => seq [str "/* ", str s, str " */"] | |
3464 | | Directive d => seq [str "# directive: ", Directive.layout d] | |
3465 | | PseudoOp p => seq [PseudoOp.layout p] | |
3466 | | Label l => seq [Label.layout l, str ":"] | |
3467 | | Instruction i => seq [str "\t", Instruction.layout i] | |
3468 | end | |
3469 | val toString = Layout.toString o layout | |
3470 | ||
3471 | val uses_defs_kills | |
3472 | = fn Comment _ => {uses = [], defs = [], kills = []} | |
3473 | | Directive d => Directive.uses_defs_kills d | |
3474 | | PseudoOp _ => {uses = [], defs = [], kills = []} | |
3475 | | Label _ => {uses = [], defs = [], kills = []} | |
3476 | | Instruction i => Instruction.uses_defs_kills i | |
3477 | ||
3478 | val hints | |
3479 | = fn Comment _ => [] | |
3480 | | Directive d => Directive.hints d | |
3481 | | PseudoOp _ => [] | |
3482 | | Label _ => [] | |
3483 | | Instruction i => Instruction.hints i | |
3484 | ||
3485 | fun replace replacer | |
3486 | = fn Comment s => Comment s | |
3487 | | Directive d => Directive (Directive.replace replacer d) | |
3488 | | PseudoOp p => PseudoOp (PseudoOp.replace replacer p) | |
3489 | | Label l => Label (case Operand.deLabel | |
3490 | (replacer {use = false, def = true} | |
3491 | (Operand.label l)) | |
3492 | of SOME l => l | |
3493 | | NONE => Error.bug "x86.Assembly.replace, Label") | |
3494 | | Instruction i => Instruction (Instruction.replace replacer i) | |
3495 | ||
3496 | val comment = Comment | |
3497 | val isComment = fn Comment _ => true | _ => false | |
3498 | val directive = Directive | |
3499 | val directive_assume = Directive o Directive.assume | |
3500 | val directive_fltassume = Directive o Directive.fltassume | |
3501 | val directive_cache = Directive o Directive.cache | |
3502 | val directive_fltcache = Directive o Directive.fltcache | |
3503 | val directive_reset = Directive o Directive.reset | |
3504 | val directive_force = Directive o Directive.force | |
3505 | val directive_ccall = Directive o Directive.ccall | |
3506 | val directive_return = Directive o Directive.return | |
3507 | val directive_reserve = Directive o Directive.reserve | |
3508 | val directive_unreserve = Directive o Directive.unreserve | |
3509 | val directive_saveregalloc = Directive o Directive.saveregalloc | |
3510 | val directive_restoreregalloc = Directive o Directive.restoreregalloc | |
3511 | val directive_clearflt = Directive o Directive.clearflt | |
3512 | val pseudoop = PseudoOp | |
3513 | val pseudoop_data = PseudoOp o PseudoOp.data | |
3514 | val pseudoop_text = PseudoOp o PseudoOp.text | |
3515 | val pseudoop_symbol_stub = PseudoOp o PseudoOp.symbol_stub | |
3516 | val pseudoop_non_lazy_symbol_pointer = | |
3517 | PseudoOp o PseudoOp.non_lazy_symbol_pointer | |
3518 | val pseudoop_balign = PseudoOp o PseudoOp.balign | |
3519 | val pseudoop_p2align = PseudoOp o PseudoOp.p2align | |
3520 | val pseudoop_space = PseudoOp o PseudoOp.space | |
3521 | val pseudoop_byte = PseudoOp o PseudoOp.byte | |
3522 | val pseudoop_word = PseudoOp o PseudoOp.word | |
3523 | val pseudoop_long = PseudoOp o PseudoOp.long | |
3524 | val pseudoop_string = PseudoOp o PseudoOp.string | |
3525 | val pseudoop_global = PseudoOp o PseudoOp.global | |
3526 | val pseudoop_hidden = PseudoOp o PseudoOp.hidden | |
3527 | val pseudoop_indirect_symbol = PseudoOp o PseudoOp.indirect_symbol | |
3528 | val pseudoop_local = PseudoOp o PseudoOp.locall | |
3529 | val pseudoop_comm = PseudoOp o PseudoOp.comm | |
3530 | val label = Label | |
3531 | val instruction = Instruction | |
3532 | val instruction_nop = Instruction o Instruction.nop | |
3533 | val instruction_hlt = Instruction o Instruction.hlt | |
3534 | val instruction_binal = Instruction o Instruction.binal | |
3535 | val instruction_pmd = Instruction o Instruction.pmd | |
3536 | val instruction_md = Instruction o Instruction.md | |
3537 | val instruction_imul2 = Instruction o Instruction.imul2 | |
3538 | val instruction_unal = Instruction o Instruction.unal | |
3539 | val instruction_sral = Instruction o Instruction.sral | |
3540 | val instruction_cmp = Instruction o Instruction.cmp | |
3541 | val instruction_test = Instruction o Instruction.test | |
3542 | val instruction_setcc = Instruction o Instruction.setcc | |
3543 | val instruction_jmp = Instruction o Instruction.jmp | |
3544 | val instruction_jcc = Instruction o Instruction.jcc | |
3545 | val instruction_call = Instruction o Instruction.call | |
3546 | val instruction_ret = Instruction o Instruction.ret | |
3547 | val instruction_mov = Instruction o Instruction.mov | |
3548 | val instruction_cmovcc = Instruction o Instruction.cmovcc | |
3549 | val instruction_xchg = Instruction o Instruction.xchg | |
3550 | val instruction_ppush = Instruction o Instruction.ppush | |
3551 | val instruction_ppop = Instruction o Instruction.ppop | |
3552 | val instruction_push = Instruction o Instruction.push | |
3553 | val instruction_pop = Instruction o Instruction.pop | |
3554 | val instruction_cx = Instruction o Instruction.cx | |
3555 | val instruction_movx = Instruction o Instruction.movx | |
3556 | val instruction_xvom = Instruction o Instruction.xvom | |
3557 | val instruction_lea = Instruction o Instruction.lea | |
3558 | val instruction_pfmov = Instruction o Instruction.pfmov | |
3559 | val instruction_pfmovx = Instruction o Instruction.pfmovx | |
3560 | val instruction_pfxvom = Instruction o Instruction.pfxvom | |
3561 | val instruction_pfldc = Instruction o Instruction.pfldc | |
3562 | val instruction_pfmovfi = Instruction o Instruction.pfmovfi | |
3563 | val instruction_pfmovti = Instruction o Instruction.pfmovti | |
3564 | val instruction_pfcom = Instruction o Instruction.pfcom | |
3565 | val instruction_pfucom = Instruction o Instruction.pfucom | |
3566 | val instruction_pfbina = Instruction o Instruction.pfbina | |
3567 | val instruction_pfuna = Instruction o Instruction.pfuna | |
3568 | val instruction_pfptan = Instruction o Instruction.pfptan | |
3569 | val instruction_pfbinas = Instruction o Instruction.pfbinas | |
3570 | val instruction_pfbinasp = Instruction o Instruction.pfbinasp | |
3571 | val instruction_fld = Instruction o Instruction.fld | |
3572 | val instruction_fst = Instruction o Instruction.fst | |
3573 | val instruction_fild = Instruction o Instruction.fild | |
3574 | val instruction_fist = Instruction o Instruction.fist | |
3575 | val instruction_fxch = Instruction o Instruction.fxch | |
3576 | val instruction_fldc = Instruction o Instruction.fldc | |
3577 | val instruction_fldcw = Instruction o Instruction.fldcw | |
3578 | val instruction_fstcw = Instruction o Instruction.fstcw | |
3579 | val instruction_fstsw = Instruction o Instruction.fstsw | |
3580 | val instruction_fcom = Instruction o Instruction.fcom | |
3581 | val instruction_fucom = Instruction o Instruction.fucom | |
3582 | val instruction_fbina = Instruction o Instruction.fbina | |
3583 | val instruction_funa = Instruction o Instruction.funa | |
3584 | val instruction_fptan = Instruction o Instruction.fptan | |
3585 | val instruction_fbinas = Instruction o Instruction.fbinas | |
3586 | val instruction_fbinasp = Instruction o Instruction.fbinasp | |
3587 | end | |
3588 | ||
3589 | structure FrameInfo = | |
3590 | struct | |
3591 | datatype t = T of {size: int, | |
3592 | frameLayoutsIndex: int} | |
3593 | ||
3594 | fun toString (T {size, frameLayoutsIndex}) | |
3595 | = concat ["{", | |
3596 | "size = ", Int.toString size, ", ", | |
3597 | "frameLayoutsIndex = ", | |
3598 | Int.toString frameLayoutsIndex, "}"] | |
3599 | end | |
3600 | ||
3601 | structure Entry = | |
3602 | struct | |
3603 | datatype t | |
3604 | = Jump of {label: Label.t} | |
3605 | | Func of {label: Label.t, | |
3606 | live: MemLocSet.t} | |
3607 | | Cont of {label: Label.t, | |
3608 | live: MemLocSet.t, | |
3609 | frameInfo: FrameInfo.t} | |
3610 | | Handler of {frameInfo: FrameInfo.t, | |
3611 | label: Label.t, | |
3612 | live: MemLocSet.t} | |
3613 | | CReturn of {dsts: (Operand.t * Size.t) vector, | |
3614 | frameInfo: FrameInfo.t option, | |
3615 | func: RepType.t CFunction.t, | |
3616 | label: Label.t} | |
3617 | ||
3618 | val toString | |
3619 | = fn Jump {label} => concat ["Jump::", | |
3620 | Label.toString label] | |
3621 | | Func {label, live} | |
3622 | => concat ["Func::", | |
3623 | Label.toString label, | |
3624 | " [", | |
3625 | (concat o List.separate) | |
3626 | (MemLocSet.fold | |
3627 | (live, | |
3628 | [], | |
3629 | fn (memloc, l) => (MemLoc.toString memloc)::l), | |
3630 | ", "), | |
3631 | "]"] | |
3632 | | Cont {label, live, frameInfo} | |
3633 | => concat ["Cont::", | |
3634 | Label.toString label, | |
3635 | " [", | |
3636 | (concat o List.separate) | |
3637 | (MemLocSet.fold | |
3638 | (live, | |
3639 | [], | |
3640 | fn (memloc, l) => (MemLoc.toString memloc)::l), | |
3641 | ", "), | |
3642 | "] ", | |
3643 | FrameInfo.toString frameInfo] | |
3644 | | Handler {frameInfo, label, live} | |
3645 | => concat ["Handler::", | |
3646 | Label.toString label, | |
3647 | " [", | |
3648 | (concat o List.separate) | |
3649 | (MemLocSet.fold | |
3650 | (live, | |
3651 | [], | |
3652 | fn (memloc, l) => (MemLoc.toString memloc)::l), | |
3653 | ", "), | |
3654 | "] (", | |
3655 | FrameInfo.toString frameInfo, | |
3656 | ")"] | |
3657 | | CReturn {dsts, frameInfo, func, label} | |
3658 | => concat ["CReturn::", | |
3659 | Label.toString label, | |
3660 | " ", | |
3661 | Vector.toString (fn (dst,_) => Operand.toString dst) dsts, | |
3662 | " ", | |
3663 | (CFunction.Target.toString o CFunction.target) func, | |
3664 | " ", | |
3665 | case frameInfo of | |
3666 | NONE => "" | |
3667 | | SOME f => FrameInfo.toString f] | |
3668 | ||
3669 | val uses_defs_kills | |
3670 | = fn CReturn {dsts, func, ...} | |
3671 | => let | |
3672 | val uses = | |
3673 | List.map (Operand.cReturnTemps (CFunction.return func), | |
3674 | fn {dst, ...} => Operand.memloc dst) | |
3675 | in | |
3676 | {uses = uses, | |
3677 | defs = Vector.toListMap(dsts, fn (dst, _) => dst), | |
3678 | kills = []} | |
3679 | end | |
3680 | | _ => {uses = [], defs = [], kills = []} | |
3681 | ||
3682 | val label | |
3683 | = fn Jump {label, ...} => label | |
3684 | | Func {label, ...} => label | |
3685 | | Cont {label, ...} => label | |
3686 | | Handler {label, ...} => label | |
3687 | | CReturn {label, ...} => label | |
3688 | ||
3689 | val live | |
3690 | = fn Func {live, ...} => live | |
3691 | | Cont {live, ...} => live | |
3692 | | Handler {live, ...} => live | |
3693 | | _ => MemLocSet.empty | |
3694 | ||
3695 | val jump = Jump | |
3696 | val func = Func | |
3697 | val isFunc = fn Func _ => true | _ => false | |
3698 | val cont = Cont | |
3699 | val handler = Handler | |
3700 | val creturn = CReturn | |
3701 | end | |
3702 | ||
3703 | structure Transfer = | |
3704 | struct | |
3705 | structure Cases = | |
3706 | struct | |
3707 | datatype 'a t = Word of (WordX.t * 'a) list | |
3708 | ||
3709 | val word = Word | |
3710 | ||
3711 | fun isEmpty cases | |
3712 | = case cases | |
3713 | of Word [] => true | |
3714 | | _ => false | |
3715 | ||
3716 | fun isSingle cases | |
3717 | = case cases | |
3718 | of Word [_] => true | |
3719 | | _ => false | |
3720 | ||
3721 | fun extract(cases,f) | |
3722 | = let | |
3723 | fun doit [(k,target)] = f (k, target) | |
3724 | | doit _ = Error.bug "x86.Transfer.Cases.extract" | |
3725 | in | |
3726 | case cases | |
3727 | of Word cases => doit cases | |
3728 | end | |
3729 | ||
3730 | fun count(cases, p) | |
3731 | = let | |
3732 | fun doit [] = (0 : int) | |
3733 | | doit ((_,target)::cases) = let | |
3734 | val n = doit cases | |
3735 | in | |
3736 | if p target | |
3737 | then 1 + n | |
3738 | else n | |
3739 | end | |
3740 | in | |
3741 | case cases | |
3742 | of Word cases => doit cases | |
3743 | end | |
3744 | ||
3745 | fun keepAll(cases, p) | |
3746 | = let | |
3747 | fun doit l = List.keepAll(l, fn (k,target) => p (k,target)) | |
3748 | in | |
3749 | case cases | |
3750 | of Word cases => Word(doit cases) | |
3751 | end | |
3752 | ||
3753 | fun forall(cases, f) | |
3754 | = let | |
3755 | fun doit l = List.forall(l, fn (k, target) => f (k, target)) | |
3756 | in | |
3757 | case cases | |
3758 | of Word cases => doit cases | |
3759 | end | |
3760 | ||
3761 | fun foreach(cases, f) | |
3762 | = let | |
3763 | fun doit l = List.foreach(l, fn (k, target) => f (k, target)) | |
3764 | in | |
3765 | case cases | |
3766 | of Word cases => doit cases | |
3767 | end | |
3768 | ||
3769 | fun map(cases, f) | |
3770 | = let | |
3771 | fun doit l = List.map(l, fn (k,target) => (k, f (k, target))) | |
3772 | in | |
3773 | case cases | |
3774 | of Word cases => Word(doit cases) | |
3775 | end | |
3776 | ||
3777 | fun mapToList(cases, f) | |
3778 | = let | |
3779 | fun doit l = List.map(l, fn (k,target) => f (k, target)) | |
3780 | in | |
3781 | case cases | |
3782 | of Word cases => doit cases | |
3783 | end | |
3784 | end | |
3785 | ||
3786 | datatype t | |
3787 | = Goto of {target: Label.t} | |
3788 | | Iff of {condition: Instruction.condition, | |
3789 | truee: Label.t, | |
3790 | falsee: Label.t} | |
3791 | | Switch of {test: Operand.t, | |
3792 | cases: Label.t Cases.t, | |
3793 | default: Label.t} | |
3794 | | Tail of {target: Label.t, | |
3795 | live: MemLocSet.t} | |
3796 | | NonTail of {target: Label.t, | |
3797 | live: MemLocSet.t, | |
3798 | return: Label.t, | |
3799 | handler: Label.t option, | |
3800 | size: int} | |
3801 | | Return of {live: MemLocSet.t} | |
3802 | | Raise of {live: MemLocSet.t} | |
3803 | | CCall of {args: (Operand.t * Size.t) list, | |
3804 | frameInfo: FrameInfo.t option, | |
3805 | func: RepType.t CFunction.t, | |
3806 | return: Label.t option} | |
3807 | ||
3808 | val toString | |
3809 | = fn Goto {target} | |
3810 | => concat ["GOTO ", | |
3811 | Label.toString target] | |
3812 | | Iff {condition, truee, falsee} | |
3813 | => concat["IF ", | |
3814 | Instruction.condition_toString condition, | |
3815 | " THEN GOTO ", | |
3816 | Label.toString truee, | |
3817 | " ELSE GOTO ", | |
3818 | Label.toString falsee] | |
3819 | | Switch {test, cases, default} | |
3820 | => (concat["SWITCH ", | |
3821 | Operand.toString test]) ^ | |
3822 | (concat o Cases.mapToList) | |
3823 | (cases, | |
3824 | fn (w, target) => concat[" (", | |
3825 | WordX.toString w, | |
3826 | " -> GOTO ", | |
3827 | Label.toString target, | |
3828 | ")"]) ^ | |
3829 | (concat[" GOTO ", | |
3830 | Label.toString default]) | |
3831 | | Tail {target, live} | |
3832 | => concat ["TAIL ", | |
3833 | Label.toString target, | |
3834 | " [", | |
3835 | (concat o List.separate) | |
3836 | (MemLocSet.fold | |
3837 | (live, | |
3838 | [], | |
3839 | fn (memloc, l) => (MemLoc.toString memloc)::l), | |
3840 | ", "), | |
3841 | "]"] | |
3842 | | NonTail {target, live, return, handler, size} | |
3843 | => concat ["NONTAIL ", | |
3844 | Label.toString target, | |
3845 | " [", | |
3846 | (concat o List.separate) | |
3847 | (MemLocSet.fold | |
3848 | (live, | |
3849 | [], | |
3850 | fn (memloc, l) => (MemLoc.toString memloc)::l), | |
3851 | ", "), | |
3852 | "] <", | |
3853 | Label.toString return, | |
3854 | " ", | |
3855 | Int.toString size, | |
3856 | "> {", | |
3857 | case handler | |
3858 | of SOME handler => Label.toString handler | |
3859 | | NONE => "", | |
3860 | "}"] | |
3861 | | Return {live} | |
3862 | => concat ["RETURN", | |
3863 | " [", | |
3864 | (concat o List.separate) | |
3865 | (MemLocSet.fold | |
3866 | (live, | |
3867 | [], | |
3868 | fn (memloc, l) => (MemLoc.toString memloc)::l), | |
3869 | ", "), | |
3870 | "]"] | |
3871 | | Raise {live} | |
3872 | => concat ["RAISE", | |
3873 | " [", | |
3874 | (concat o List.separate) | |
3875 | (MemLocSet.fold | |
3876 | (live, | |
3877 | [], | |
3878 | fn (memloc, l) => (MemLoc.toString memloc)::l), | |
3879 | ", "), | |
3880 | "]"] | |
3881 | | CCall {args, func, return, ...} | |
3882 | => concat ["CCALL ", | |
3883 | (CFunction.Convention.toString o CFunction.convention) func, | |
3884 | " ", | |
3885 | (CFunction.Target.toString o CFunction.target) func, | |
3886 | "(", | |
3887 | (concat o List.separate) | |
3888 | (List.map(args, fn (oper,_) => Operand.toString oper), | |
3889 | ", "), | |
3890 | ") <", | |
3891 | Option.toString Label.toString return, | |
3892 | ">"] | |
3893 | ||
3894 | val uses_defs_kills | |
3895 | = fn Switch {test, ...} | |
3896 | => {uses = [test], defs = [], kills = []} | |
3897 | | CCall {args, func, ...} | |
3898 | => let | |
3899 | val defs = | |
3900 | List.map (Operand.cReturnTemps (CFunction.return func), | |
3901 | fn {dst, ...} => Operand.memloc dst) | |
3902 | in | |
3903 | {uses = List.map(args, fn (oper,_) => oper), | |
3904 | defs = defs, kills = []} | |
3905 | end | |
3906 | | _ => {uses = [], defs = [], kills = []} | |
3907 | ||
3908 | val nearTargets | |
3909 | = fn Goto {target} => [target] | |
3910 | | Iff {truee,falsee,...} => [truee,falsee] | |
3911 | | Switch {cases,default,...} | |
3912 | => default::(Cases.mapToList | |
3913 | (cases, | |
3914 | fn (_,target) => target)) | |
3915 | | NonTail {return,handler,...} => return::(case handler | |
3916 | of NONE => nil | |
3917 | | SOME handler => [handler]) | |
3918 | | CCall {return, ...} | |
3919 | => (case return of | |
3920 | NONE => [] | |
3921 | | SOME l => [l]) | |
3922 | | _ => [] | |
3923 | ||
3924 | val live | |
3925 | = fn Tail {live,...} => live | |
3926 | | NonTail {live,...} => live | |
3927 | | Return {live,...} => live | |
3928 | | Raise {live,...} => live | |
3929 | | _ => MemLocSet.empty | |
3930 | ||
3931 | fun replace replacer | |
3932 | = fn Switch {test, cases, default} | |
3933 | => Switch {test = replacer {use = true, def = false} test, | |
3934 | cases = cases, | |
3935 | default = default} | |
3936 | | CCall {args, frameInfo, func, return} | |
3937 | => CCall {args = List.map(args, | |
3938 | fn (oper,size) => (replacer {use = true, | |
3939 | def = false} | |
3940 | oper, | |
3941 | size)), | |
3942 | frameInfo = frameInfo, | |
3943 | func = func, | |
3944 | return = return} | |
3945 | | transfer => transfer | |
3946 | ||
3947 | val goto = Goto | |
3948 | val iff = Iff | |
3949 | val switch = Switch | |
3950 | val tail = Tail | |
3951 | val nontail = NonTail | |
3952 | val return = Return | |
3953 | val raisee = Raise | |
3954 | val ccall = CCall | |
3955 | end | |
3956 | ||
3957 | structure ProfileLabel = | |
3958 | struct | |
3959 | open ProfileLabel | |
3960 | ||
3961 | fun toAssembly pl = | |
3962 | let | |
3963 | val label = Label.fromString (toString pl) | |
3964 | in | |
3965 | [Assembly.pseudoop_global label, | |
3966 | Assembly.pseudoop_hidden label, | |
3967 | Assembly.label label] | |
3968 | end | |
3969 | fun toAssemblyOpt pl = | |
3970 | case pl of | |
3971 | NONE => [] | |
3972 | | SOME pl => toAssembly pl | |
3973 | end | |
3974 | ||
3975 | structure Block = | |
3976 | struct | |
3977 | datatype t' = T' of {entry: Entry.t option, | |
3978 | profileLabel: ProfileLabel.t option, | |
3979 | statements: Assembly.t list, | |
3980 | transfer: Transfer.t option} | |
3981 | fun mkBlock' {entry, statements, transfer} = | |
3982 | T' {entry = entry, | |
3983 | profileLabel = NONE, | |
3984 | statements = statements, | |
3985 | transfer = transfer} | |
3986 | fun mkProfileBlock' {profileLabel} = | |
3987 | T' {entry = NONE, | |
3988 | profileLabel = SOME profileLabel, | |
3989 | statements = [], | |
3990 | transfer = NONE} | |
3991 | ||
3992 | datatype t = T of {entry: Entry.t, | |
3993 | profileLabel: ProfileLabel.t option, | |
3994 | statements: Assembly.t list, | |
3995 | transfer: Transfer.t} | |
3996 | ||
3997 | fun printBlock (T {entry, profileLabel, statements, transfer, ...}) | |
3998 | = (print (Entry.toString entry); | |
3999 | print ":\n"; | |
4000 | Option.app | |
4001 | (profileLabel, fn profileLabel => | |
4002 | (print (ProfileLabel.toString profileLabel); | |
4003 | print ":\n")); | |
4004 | List.foreach | |
4005 | (statements, fn asm => | |
4006 | (print (Assembly.toString asm); | |
4007 | print "\n")); | |
4008 | print (Transfer.toString transfer); | |
4009 | print "\n") | |
4010 | ||
4011 | fun printBlock' (T' {entry, profileLabel, statements, transfer, ...}) | |
4012 | = (print (if isSome entry | |
4013 | then Entry.toString (valOf entry) | |
4014 | else "---"); | |
4015 | print ":\n"; | |
4016 | Option.app | |
4017 | (profileLabel, fn profileLabel => | |
4018 | (print (ProfileLabel.toString profileLabel); | |
4019 | print ":\n")); | |
4020 | List.foreach | |
4021 | (statements, fn asm => | |
4022 | (print (Assembly.toString asm); | |
4023 | print "\n")); | |
4024 | print (if isSome transfer | |
4025 | then Transfer.toString (valOf transfer) | |
4026 | else "NONE"); | |
4027 | print "\n") | |
4028 | ||
4029 | val compress': t' list -> t' list = | |
4030 | fn l => | |
4031 | List.fold | |
4032 | (rev l, [], | |
4033 | fn (b' as T' {entry, profileLabel, statements, transfer}, ac) => | |
4034 | case transfer of | |
4035 | SOME _ => b' :: ac | |
4036 | | NONE => | |
4037 | case ac of | |
4038 | [] => Error.bug "x86.Block.compress': dangling transfer" | |
4039 | | b2' :: ac => | |
4040 | let | |
4041 | val T' {entry = entry2, | |
4042 | profileLabel = profileLabel2, | |
4043 | statements = statements2, | |
4044 | transfer = transfer2} = b2' | |
4045 | in | |
4046 | case entry2 of | |
4047 | SOME _ => | |
4048 | Error.bug "x86.Block.compress': mismatched transfer" | |
4049 | | NONE => | |
4050 | let | |
4051 | val (pl, ss) = | |
4052 | case (profileLabel, statements) of | |
4053 | (NONE, []) => | |
4054 | (profileLabel2, statements2) | |
4055 | | _ => | |
4056 | (profileLabel, | |
4057 | statements | |
4058 | @ (ProfileLabel.toAssemblyOpt | |
4059 | profileLabel2) | |
4060 | @ statements2) | |
4061 | in | |
4062 | T' {entry = entry, | |
4063 | profileLabel = pl, | |
4064 | statements = ss, | |
4065 | transfer = transfer2} :: ac | |
4066 | end | |
4067 | end) | |
4068 | ||
4069 | val compress: t' list -> t list = | |
4070 | fn l => | |
4071 | List.map | |
4072 | (compress' l, fn T' {entry, profileLabel, statements, transfer} => | |
4073 | case (entry, transfer) of | |
4074 | (SOME e, SOME t) => | |
4075 | T {entry = e, | |
4076 | profileLabel = profileLabel, | |
4077 | statements = statements, | |
4078 | transfer = t} | |
4079 | | _ => Error.bug "x86.Block.compress") | |
4080 | end | |
4081 | ||
4082 | structure Chunk = | |
4083 | struct | |
4084 | datatype t = T of {data: Assembly.t list, | |
4085 | blocks: Block.t list} | |
4086 | end | |
4087 | end |