• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1@---
2@ Run these test in both Thumb1 and Thumb2 modes, as all of the encodings
3@ should be valid, and parse the same, in both.
4@---
5@ RUN: llvm-mc -triple=thumbv6-apple-darwin -show-encoding < %s | FileCheck %s
6@ RUN: llvm-mc -triple=thumbv7-apple-darwin -show-encoding < %s | FileCheck %s
7@ RUN: llvm-mc -triple=thumbebv7-unknown-unknown -show-encoding < %s | FileCheck --check-prefix=CHECK-BE %s
8  .syntax unified
9  .globl _func
10
11@ Check that the assembler can handle the documented syntax from the ARM ARM.
12@ For complex constructs like shifter operands, check more thoroughly for them
13@ once then spot check that following instructions accept the form generally.
14@ This gives us good coverage while keeping the overall size of the test
15@ more reasonable.
16
17
18@ FIXME: Some 3-operand instructions have a 2-operand assembly syntax.
19
20_func:
21@ CHECK: _func
22
23@------------------------------------------------------------------------------
24@ ADC (register)
25@------------------------------------------------------------------------------
26        adcs r4, r6
27
28@ CHECK: adcs	r4, r6                  @ encoding: [0x74,0x41]
29
30
31@------------------------------------------------------------------------------
32@ ADD (immediate)
33@------------------------------------------------------------------------------
34        adds r1, r2, #3
35@ When Rd is not explicitly specified, encoding T2 is preferred even though
36@ the literal is in the range [0,7] which would allow encoding T1.
37        adds r2, #3
38        adds r2, #8
39
40@ CHECK: adds	r1, r2, #3              @ encoding: [0xd1,0x1c]
41@ CHECK: adds	r2, #3                  @ encoding: [0x03,0x32]
42@ CHECK: adds	r2, #8                  @ encoding: [0x08,0x32]
43
44
45@------------------------------------------------------------------------------
46@ ADD (register)
47@------------------------------------------------------------------------------
48        adds r1, r2, r3
49        add r2, r8
50
51@ CHECK: adds	r1, r2, r3              @ encoding: [0xd1,0x18]
52@ CHECK: add	r2, r8                  @ encoding: [0x42,0x44]
53
54
55@------------------------------------------------------------------------------
56@ ADD (SP plus immediate)
57@------------------------------------------------------------------------------
58        add sp, #4
59        add sp, #508
60        add sp, sp, #4
61        add r2, sp, #8
62        add r2, sp, #1020
63	add sp, sp, #-8
64	add sp, #-8
65
66@ CHECK: add	sp, #4                  @ encoding: [0x01,0xb0]
67@ CHECK: add	sp, #508                @ encoding: [0x7f,0xb0]
68@ CHECK: add	sp, #4                  @ encoding: [0x01,0xb0]
69@ CHECK: add	r2, sp, #8              @ encoding: [0x02,0xaa]
70@ CHECK: add	r2, sp, #1020           @ encoding: [0xff,0xaa]
71@ CHECK: sub	sp, #8                  @ encoding: [0x82,0xb0]
72@ CHECK: sub	sp, #8                  @ encoding: [0x82,0xb0]
73
74
75@------------------------------------------------------------------------------
76@ ADD (SP plus register)
77@------------------------------------------------------------------------------
78        add sp, r3
79        add r2, sp, r2
80
81@ CHECK: add	sp, r3                  @ encoding: [0x9d,0x44]
82@ CHECK: add	r2, sp, r2              @ encoding: [0x6a,0x44]
83
84
85@------------------------------------------------------------------------------
86@ ADR
87@------------------------------------------------------------------------------
88        adr r2, _baz
89        adr r5, #0
90        adr r2, #4
91        adr r3, #1020
92
93@ CHECK: adr	r2, _baz                @ encoding: [A,0xa2]
94@ CHECK:    @   fixup A - offset: 0, value: _baz, kind: fixup_thumb_adr_pcrel_10
95@ CHECK-BE: adr	r2, _baz                @ encoding: [0xa2,A]
96@ CHECK-BE:    @   fixup A - offset: 0, value: _baz, kind: fixup_thumb_adr_pcrel_10
97@ CHECK: adr	r5, #0                  @ encoding: [0x00,0xa5]
98@ CHECK: adr	r2, #4                  @ encoding: [0x01,0xa2]
99@ CHECK: adr	r3, #1020               @ encoding: [0xff,0xa3]
100
101@------------------------------------------------------------------------------
102@ ASR (immediate)
103@------------------------------------------------------------------------------
104        asrs r2, r3, #32
105        asrs r2, r3, #5
106        asrs r2, r3, #1
107        asrs r5, #21
108        asrs r5, r5, #21
109        asrs r3, r5, #21
110
111@ CHECK: asrs	r2, r3, #32             @ encoding: [0x1a,0x10]
112@ CHECK: asrs	r2, r3, #5              @ encoding: [0x5a,0x11]
113@ CHECK: asrs	r2, r3, #1              @ encoding: [0x5a,0x10]
114@ CHECK: asrs	r5, r5, #21             @ encoding: [0x6d,0x15]
115@ CHECK: asrs	r5, r5, #21             @ encoding: [0x6d,0x15]
116@ CHECK: asrs	r3, r5, #21             @ encoding: [0x6b,0x15]
117
118
119@------------------------------------------------------------------------------
120@ ASR (register)
121@------------------------------------------------------------------------------
122        asrs r5, r2
123
124@ CHECK: asrs	r5, r2                  @ encoding: [0x15,0x41]
125
126
127@------------------------------------------------------------------------------
128@ B
129@------------------------------------------------------------------------------
130        b _baz
131        beq _bar
132        b       #1838
133        b       #-420
134        beq     #-256
135        beq     #160
136
137@ CHECK: b	_baz                    @ encoding: [A,0xe0'A']
138@ CHECK:     @   fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_br
139@ CHECK-BE: b	_baz                    @ encoding: [0xe0'A',A]
140@ CHECK-BE:     @   fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_br
141@ CHECK: beq	_bar                    @ encoding: [A,0xd0]
142@ CHECK:     @   fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bcc
143@ CHECK-BE: beq	_bar                    @ encoding: [0xd0,A]
144@ CHECK-BE:     @   fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bcc
145@ CHECK: b       #1838                   @ encoding: [0x97,0xe3]
146@ CHECK: b       #-420                   @ encoding: [0x2e,0xe7]
147@ CHECK: beq     #-256                   @ encoding: [0x80,0xd0]
148@ CHECK: beq     #160                    @ encoding: [0x50,0xd0]
149
150@------------------------------------------------------------------------------
151@ BL/BLX
152@------------------------------------------------------------------------------
153        blx     #884800
154        blx     #1769600
155
156@ CHECK: blx     #884800                 @ encoding: [0xd8,0xf0,0x20,0xe8]
157@ CHECK: blx     #1769600                @ encoding: [0xb0,0xf1,0x40,0xe8]
158
159@------------------------------------------------------------------------------
160@ BICS
161@------------------------------------------------------------------------------
162        bics r1, r6
163
164@ CHECK: bics	r1, r6                  @ encoding: [0xb1,0x43]
165
166
167@------------------------------------------------------------------------------
168@ BKPT
169@------------------------------------------------------------------------------
170        bkpt #0
171        bkpt #255
172
173@ CHECK: bkpt	#0                      @ encoding: [0x00,0xbe]
174@ CHECK: bkpt	#255                    @ encoding: [0xff,0xbe]
175
176
177@------------------------------------------------------------------------------
178@ BL/BLX (immediate)
179@------------------------------------------------------------------------------
180        bl _bar
181        blx _baz
182
183@ CHECK: bl	_bar                    @ encoding: [A,0xf0'A',A,0xd0'A']
184@ CHECK:     @   fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bl
185@ CHECK-BE: bl	_bar                    @ encoding: [0xf0'A',A,0xd0'A',A]
186@ CHECK-BE:     @   fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bl
187@ CHECK: blx	_baz                    @ encoding: [A,0xf0'A',A,0xc0'A']
188@ CHECK:     @   fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_blx
189@ CHECK-BE: blx	_baz                    @ encoding: [0xf0'A',A,0xc0'A',A]
190@ CHECK-BE:     @   fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_blx
191
192
193@------------------------------------------------------------------------------
194@ BLX (register)
195@------------------------------------------------------------------------------
196        blx r4
197
198@ CHECK: blx	r4                      @ encoding: [0xa0,0x47]
199
200
201@------------------------------------------------------------------------------
202@ BX
203@------------------------------------------------------------------------------
204        bx r2
205
206@ CHECK: bx	r2                      @ encoding: [0x10,0x47]
207
208
209@------------------------------------------------------------------------------
210@ CMN
211@------------------------------------------------------------------------------
212
213        cmn r5, r1
214
215@ CHECK: cmn	r5, r1                  @ encoding: [0xcd,0x42]
216
217
218@------------------------------------------------------------------------------
219@ CMP
220@------------------------------------------------------------------------------
221        cmp r6, #32
222        cmp r3, r4
223        cmp r8, r1
224
225@ CHECK: cmp	r6, #32                 @ encoding: [0x20,0x2e]
226@ CHECK: cmp	r3, r4                  @ encoding: [0xa3,0x42]
227@ CHECK: cmp	r8, r1                  @ encoding: [0x88,0x45]
228
229@------------------------------------------------------------------------------
230@ CPS
231@------------------------------------------------------------------------------
232
233        cpsie f
234        cpsid a
235
236@ CHECK: cpsie f                        @ encoding: [0x61,0xb6]
237@ CHECK: cpsid a                        @ encoding: [0x74,0xb6]
238
239@------------------------------------------------------------------------------
240@ EOR
241@------------------------------------------------------------------------------
242        eors r4, r5
243
244@ CHECK: eors	r4, r5                  @ encoding: [0x6c,0x40]
245
246
247@------------------------------------------------------------------------------
248@ LDM
249@------------------------------------------------------------------------------
250        ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7}
251        ldm r2!, {r1, r3, r4, r5, r7}
252        ldm r1, {r1}
253
254@ CHECK: ldm	r3, {r0, r1, r2, r3, r4, r5, r6, r7} @ encoding: [0xff,0xcb]
255@ CHECK: ldm	r2!, {r1, r3, r4, r5, r7} @ encoding: [0xba,0xca]
256@ CHECK: ldm	r1, {r1}                @ encoding: [0x02,0xc9]
257
258
259@------------------------------------------------------------------------------
260@ LDR (immediate)
261@------------------------------------------------------------------------------
262        ldr r1, [r5]
263        ldr r2, [r6, #32]
264        ldr r3, [r7, #124]
265        ldr r1, [sp]
266        ldr r2, [sp, #24]
267        ldr r3, [sp, #1020]
268
269
270@ CHECK: ldr	r1, [r5]                @ encoding: [0x29,0x68]
271@ CHECK: ldr	r2, [r6, #32]           @ encoding: [0x32,0x6a]
272@ CHECK: ldr	r3, [r7, #124]          @ encoding: [0xfb,0x6f]
273@ CHECK: ldr	r1, [sp]                @ encoding: [0x00,0x99]
274@ CHECK: ldr	r2, [sp, #24]           @ encoding: [0x06,0x9a]
275@ CHECK: ldr	r3, [sp, #1020]         @ encoding: [0xff,0x9b]
276
277
278@------------------------------------------------------------------------------
279@ LDR (literal)
280@------------------------------------------------------------------------------
281        ldr r1, _foo
282        ldr     r3, #604
283        ldr     r3, #368
284
285@ CHECK: ldr	r1, _foo                @ encoding: [A,0x49]
286@ CHECK:     @   fixup A - offset: 0, value: _foo, kind: fixup_arm_thumb_cp
287@ CHECK-BE: ldr	r1, _foo                @ encoding: [0x49,A]
288@ CHECK-BE:     @   fixup A - offset: 0, value: _foo, kind: fixup_arm_thumb_cp
289@ CHECK: ldr     r3, [pc, #604]         @ encoding: [0x97,0x4b]
290@ CHECK: ldr     r3, [pc, #368]         @ encoding: [0x5c,0x4b]
291
292@------------------------------------------------------------------------------
293@ LDR (register)
294@------------------------------------------------------------------------------
295        ldr r1, [r2, r3]
296
297@ CHECK: ldr	r1, [r2, r3]            @ encoding: [0xd1,0x58]
298
299
300@------------------------------------------------------------------------------
301@ LDRB (immediate)
302@------------------------------------------------------------------------------
303        ldrb r4, [r3]
304        ldrb r5, [r6, #0]
305        ldrb r6, [r7, #31]
306
307@ CHECK: ldrb	r4, [r3]                @ encoding: [0x1c,0x78]
308@ CHECK: ldrb	r5, [r6]                @ encoding: [0x35,0x78]
309@ CHECK: ldrb	r6, [r7, #31]           @ encoding: [0xfe,0x7f]
310
311
312@------------------------------------------------------------------------------
313@ LDRB (register)
314@------------------------------------------------------------------------------
315        ldrb r6, [r4, r5]
316
317@ CHECK: ldrb	r6, [r4, r5]            @ encoding: [0x66,0x5d]
318
319
320@------------------------------------------------------------------------------
321@ LDRH (immediate)
322@------------------------------------------------------------------------------
323        ldrh r3, [r3]
324        ldrh r4, [r6, #2]
325        ldrh r5, [r7, #62]
326
327@ CHECK: ldrh	r3, [r3]                @ encoding: [0x1b,0x88]
328@ CHECK: ldrh	r4, [r6, #2]            @ encoding: [0x74,0x88]
329@ CHECK: ldrh	r5, [r7, #62]           @ encoding: [0xfd,0x8f]
330
331
332@------------------------------------------------------------------------------
333@ LDRH (register)
334@------------------------------------------------------------------------------
335        ldrh r6, [r2, r6]
336
337@ CHECK: ldrh	r6, [r2, r6]            @ encoding: [0x96,0x5b]
338
339
340@------------------------------------------------------------------------------
341@ LDRSB/LDRSH
342@------------------------------------------------------------------------------
343        ldrsb r6, [r2, r6]
344        ldrsh r3, [r7, r1]
345
346@ CHECK: ldrsb	r6, [r2, r6]            @ encoding: [0x96,0x57]
347@ CHECK: ldrsh	r3, [r7, r1]            @ encoding: [0x7b,0x5e]
348
349
350@------------------------------------------------------------------------------
351@ LSL (immediate)
352@------------------------------------------------------------------------------
353        lsls r4, r5, #0
354        lsls r4, r5, #4
355        lsls r3, #12
356        lsls r3, r3, #12
357        lsls r1, r3, #12
358
359@ CHECK: lsls	r4, r5, #0              @ encoding: [0x2c,0x00]
360@ CHECK: lsls	r4, r5, #4              @ encoding: [0x2c,0x01]
361@ CHECK: lsls	r3, r3, #12             @ encoding: [0x1b,0x03]
362@ CHECK: lsls	r3, r3, #12             @ encoding: [0x1b,0x03]
363@ CHECK: lsls	r1, r3, #12             @ encoding: [0x19,0x03]
364
365
366@------------------------------------------------------------------------------
367@ LSL (register)
368@------------------------------------------------------------------------------
369        lsls r2, r6
370
371@ CHECK: lsls	r2, r6                  @ encoding: [0xb2,0x40]
372
373
374@------------------------------------------------------------------------------
375@ LSR (immediate)
376@------------------------------------------------------------------------------
377        lsrs r1, r3, #1
378        lsrs r1, r3, #32
379        lsrs r4, #20
380        lsrs r4, r4, #20
381        lsrs r2, r4, #20
382
383@ CHECK: lsrs	r1, r3, #1              @ encoding: [0x59,0x08]
384@ CHECK: lsrs	r1, r3, #32             @ encoding: [0x19,0x08]
385@ CHECK: lsrs	r4, r4, #20             @ encoding: [0x24,0x0d]
386@ CHECK: lsrs	r4, r4, #20             @ encoding: [0x24,0x0d]
387@ CHECK: lsrs	r2, r4, #20             @ encoding: [0x22,0x0d]
388
389
390@------------------------------------------------------------------------------
391@ LSR (register)
392@------------------------------------------------------------------------------
393        lsrs r2, r6
394
395@ CHECK: lsrs	r2, r6                  @ encoding: [0xf2,0x40]
396
397
398@------------------------------------------------------------------------------
399@ MOV (immediate)
400@------------------------------------------------------------------------------
401        movs r2, #0
402        movs r2, #255
403        movs r2, #23
404
405@ CHECK: movs	r2, #0                  @ encoding: [0x00,0x22]
406@ CHECK: movs	r2, #255                @ encoding: [0xff,0x22]
407@ CHECK: movs	r2, #23                 @ encoding: [0x17,0x22]
408
409
410@------------------------------------------------------------------------------
411@ MOV (register)
412@------------------------------------------------------------------------------
413        mov r3, r4
414        movs r1, r3
415
416@ CHECK: mov	r3, r4                  @ encoding: [0x23,0x46]
417@ CHECK: movs	r1, r3                  @ encoding: [0x19,0x00]
418
419
420@------------------------------------------------------------------------------
421@ MUL
422@------------------------------------------------------------------------------
423        muls r1, r2, r1
424        muls r2, r2, r3
425        muls r3, r4
426
427@ CHECK: muls	r1, r2, r1              @ encoding: [0x51,0x43]
428@ CHECK: muls	r2, r3, r2              @ encoding: [0x5a,0x43]
429@ CHECK: muls	r3, r4, r3              @ encoding: [0x63,0x43]
430
431
432@------------------------------------------------------------------------------
433@ MVN
434@------------------------------------------------------------------------------
435        mvns r6, r3
436
437@ CHECK: mvns	r6, r3                  @ encoding: [0xde,0x43]
438
439
440@------------------------------------------------------------------------------
441@ NEG
442@------------------------------------------------------------------------------
443        negs r3, r4
444
445@ CHECK: rsbs	r3, r4, #0              @ encoding: [0x63,0x42]
446
447@------------------------------------------------------------------------------
448@ ORR
449@------------------------------------------------------------------------------
450        orrs  r3, r4
451
452@ CHECK-ERRORS: 	orrs	r3, r4                  @ encoding: [0x23,0x43]
453
454
455@------------------------------------------------------------------------------
456@ POP
457@------------------------------------------------------------------------------
458        pop {r2, r3, r6}
459
460@ CHECK: pop	{r2, r3, r6}            @ encoding: [0x4c,0xbc]
461
462
463@------------------------------------------------------------------------------
464@ PUSH
465@------------------------------------------------------------------------------
466        push {r1, r2, r7}
467
468@ CHECK: push	{r1, r2, r7}            @ encoding: [0x86,0xb4]
469
470
471@------------------------------------------------------------------------------
472@ REV/REV16/REVSH
473@------------------------------------------------------------------------------
474        rev r6, r3
475        rev16 r7, r2
476        revsh r5, r1
477
478@ CHECK: rev	r6, r3                  @ encoding: [0x1e,0xba]
479@ CHECK: rev16	r7, r2                  @ encoding: [0x57,0xba]
480@ CHECK: revsh	r5, r1                  @ encoding: [0xcd,0xba]
481
482
483@------------------------------------------------------------------------------
484@ ROR
485@------------------------------------------------------------------------------
486        rors r2, r7
487
488@ CHECK: rors	r2, r7                  @ encoding: [0xfa,0x41]
489
490
491@------------------------------------------------------------------------------
492@ RSB
493@------------------------------------------------------------------------------
494        rsbs r1, r3, #0
495
496@ CHECK: rsbs	r1, r3, #0              @ encoding: [0x59,0x42]
497
498
499@------------------------------------------------------------------------------
500@ SBC
501@------------------------------------------------------------------------------
502        sbcs r4, r3
503
504@ CHECK: sbcs	r4, r3                  @ encoding: [0x9c,0x41]
505
506
507@------------------------------------------------------------------------------
508@ SETEND
509@------------------------------------------------------------------------------
510        setend be
511        setend le
512
513@ CHECK: setend	be                      @ encoding: [0x58,0xb6]
514@ CHECK: setend	le                      @ encoding: [0x50,0xb6]
515
516
517@------------------------------------------------------------------------------
518@ STM
519@------------------------------------------------------------------------------
520        stm r1!, {r2, r6}
521        stm r1!, {r1, r2, r3, r7}
522
523@ CHECK: stm	r1!, {r2, r6}           @ encoding: [0x44,0xc1]
524@ CHECK: stm	r1!, {r1, r2, r3, r7}   @ encoding: [0x8e,0xc1]
525
526
527@------------------------------------------------------------------------------
528@ STR (immediate)
529@------------------------------------------------------------------------------
530        str r2, [r7]
531        str r2, [r7, #0]
532        str r5, [r1, #4]
533        str r3, [r7, #124]
534        str r2, [sp]
535        str r3, [sp, #0]
536        str r4, [sp, #20]
537        str r5, [sp, #1020]
538
539@ CHECK: str	r2, [r7]                @ encoding: [0x3a,0x60]
540@ CHECK: str	r2, [r7]                @ encoding: [0x3a,0x60]
541@ CHECK: str	r5, [r1, #4]            @ encoding: [0x4d,0x60]
542@ CHECK: str	r3, [r7, #124]          @ encoding: [0xfb,0x67]
543@ CHECK: str	r2, [sp]                @ encoding: [0x00,0x92]
544@ CHECK: str	r3, [sp]                @ encoding: [0x00,0x93]
545@ CHECK: str	r4, [sp, #20]           @ encoding: [0x05,0x94]
546@ CHECK: str	r5, [sp, #1020]         @ encoding: [0xff,0x95]
547
548
549@------------------------------------------------------------------------------
550@ STR (register)
551@------------------------------------------------------------------------------
552        str r2, [r7, r3]
553
554@ CHECK: str	r2, [r7, r3]            @ encoding: [0xfa,0x50]
555
556
557@------------------------------------------------------------------------------
558@ STRB (immediate)
559@------------------------------------------------------------------------------
560        strb r4, [r3]
561        strb r5, [r6, #0]
562        strb r6, [r7, #31]
563
564@ CHECK: strb	r4, [r3]                @ encoding: [0x1c,0x70]
565@ CHECK: strb	r5, [r6]                @ encoding: [0x35,0x70]
566@ CHECK: strb	r6, [r7, #31]           @ encoding: [0xfe,0x77]
567
568
569@------------------------------------------------------------------------------
570@ STRB (register)
571@------------------------------------------------------------------------------
572        strb r6, [r4, r5]
573
574@ CHECK: strb	r6, [r4, r5]            @ encoding: [0x66,0x55]
575
576
577@------------------------------------------------------------------------------
578@ STRH (immediate)
579@------------------------------------------------------------------------------
580        strh r3, [r3]
581        strh r4, [r6, #2]
582        strh r5, [r7, #62]
583
584@ CHECK: strh	r3, [r3]                @ encoding: [0x1b,0x80]
585@ CHECK: strh	r4, [r6, #2]            @ encoding: [0x74,0x80]
586@ CHECK: strh	r5, [r7, #62]           @ encoding: [0xfd,0x87]
587
588
589@------------------------------------------------------------------------------
590@ STRH (register)
591@------------------------------------------------------------------------------
592        strh r6, [r2, r6]
593
594@ CHECK: strh	r6, [r2, r6]            @ encoding: [0x96,0x53]
595
596
597@------------------------------------------------------------------------------
598@ SUB (immediate)
599@------------------------------------------------------------------------------
600        subs r1, r2, #3
601        subs r2, #3
602        subs r2, #8
603
604@ CHECK: subs	r1, r2, #3              @ encoding: [0xd1,0x1e]
605@ CHECK: subs	r2, #3                  @ encoding: [0x03,0x3a]
606@ CHECK: subs	r2, #8                  @ encoding: [0x08,0x3a]
607
608
609@------------------------------------------------------------------------------
610@ SUB (SP minus immediate)
611@------------------------------------------------------------------------------
612        sub sp, #12
613        sub sp, sp, #508
614
615@ CHECK: sub	sp, #12                 @ encoding: [0x83,0xb0]
616@ CHECK: sub	sp, #508                @ encoding: [0xff,0xb0]
617
618
619@------------------------------------------------------------------------------
620@ SUB (register)
621@------------------------------------------------------------------------------
622        subs r1, r2, r3
623
624@ CHECK: subs	r1, r2, r3              @ encoding: [0xd1,0x1a]
625
626
627@------------------------------------------------------------------------------
628@ SVC
629@------------------------------------------------------------------------------
630        svc #0
631        svc #255
632
633@ CHECK: svc	#0                      @ encoding: [0x00,0xdf]
634@ CHECK: svc	#255                    @ encoding: [0xff,0xdf]
635
636
637@------------------------------------------------------------------------------
638@ SXTB/SXTH
639@------------------------------------------------------------------------------
640        sxtb r3, r5
641        sxth r3, r5
642
643@ CHECK: sxtb	r3, r5                  @ encoding: [0x6b,0xb2]
644@ CHECK: sxth	r3, r5                  @ encoding: [0x2b,0xb2]
645
646
647@------------------------------------------------------------------------------
648@ TST
649@------------------------------------------------------------------------------
650        tst r6, r1
651
652@ CHECK: tst	r6, r1                  @ encoding: [0x0e,0x42]
653
654
655@------------------------------------------------------------------------------
656@ UXTB/UXTH
657@------------------------------------------------------------------------------
658        uxtb  r7, r2
659        uxth  r1, r4
660
661@ CHECK: uxtb	r7, r2                  @ encoding: [0xd7,0xb2]
662@ CHECK: uxth	r1, r4                  @ encoding: [0xa1,0xb2]
663
664
665