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.
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
10 @ Check that the assembler can handle the documented syntax from the ARM ARM.
11 @ For complex constructs like shifter operands, check more thoroughly for them
12 @ once then spot check that following instructions accept the form generally.
13 @ This gives us good coverage while keeping the overall size of the test
17 @ FIXME: Some 3-operand instructions have a 2-operand assembly syntax.
22 @------------------------------------------------------------------------------
24 @------------------------------------------------------------------------------
27 @ CHECK: adcs r4, r6 @ encoding: [0x74,0x41]
30 @------------------------------------------------------------------------------
32 @------------------------------------------------------------------------------
34 @ When Rd is not explicitly specified, encoding T2 is preferred even though
35 @ the literal is in the range [0,7] which would allow encoding T1.
39 @ CHECK: adds r1, r2, #3 @ encoding: [0xd1,0x1c]
40 @ CHECK: adds r2, #3 @ encoding: [0x03,0x32]
41 @ CHECK: adds r2, #8 @ encoding: [0x08,0x32]
44 @------------------------------------------------------------------------------
46 @------------------------------------------------------------------------------
50 @ CHECK: adds r1, r2, r3 @ encoding: [0xd1,0x18]
51 @ CHECK: add r2, r8 @ encoding: [0x42,0x44]
54 @------------------------------------------------------------------------------
55 @ ADD (SP plus immediate)
56 @------------------------------------------------------------------------------
63 @ CHECK: add sp, #4 @ encoding: [0x01,0xb0]
64 @ CHECK: add sp, #508 @ encoding: [0x7f,0xb0]
65 @ CHECK: add sp, #4 @ encoding: [0x01,0xb0]
66 @ CHECK: add r2, sp, #8 @ encoding: [0x02,0xaa]
67 @ CHECK: add r2, sp, #1020 @ encoding: [0xff,0xaa]
70 @------------------------------------------------------------------------------
71 @ ADD (SP plus register)
72 @------------------------------------------------------------------------------
76 @ CHECK: add sp, r3 @ encoding: [0x9d,0x44]
77 @ CHECK: add r2, sp, r2 @ encoding: [0x6a,0x44]
80 @------------------------------------------------------------------------------
82 @------------------------------------------------------------------------------
86 @ CHECK: adr r2, _baz @ encoding: [A,0xa2]
87 @ fixup A - offset: 0, value: _baz, kind: fixup_thumb_adr_pcrel_10
88 @ CHECK: adr r2, #3 @ encoding: [0x03,0xa2]
90 @------------------------------------------------------------------------------
92 @------------------------------------------------------------------------------
97 @ CHECK: asrs r2, r3, #32 @ encoding: [0x1a,0x10]
98 @ CHECK: asrs r2, r3, #5 @ encoding: [0x5a,0x11]
99 @ CHECK: asrs r2, r3, #1 @ encoding: [0x5a,0x10]
102 @------------------------------------------------------------------------------
104 @------------------------------------------------------------------------------
107 @ CHECK: asrs r5, r2 @ encoding: [0x15,0x41]
110 @------------------------------------------------------------------------------
112 @------------------------------------------------------------------------------
118 @ CHECK: b _baz @ encoding: [A,0xe0'A']
119 @ fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_br
120 @ CHECK: beq _bar @ encoding: [A,0xd0]
121 @ fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bcc
122 @ CHECK: b #1838 @ encoding: [0x97,0xe3]
123 @ CHECK: b #-420 @ encoding: [0x2e,0xe7]
125 @------------------------------------------------------------------------------
127 @------------------------------------------------------------------------------
131 @ CHECK: blx #884800 @ encoding: [0xd8,0xf0,0x20,0xe8]
132 @ CHECK: blx #1769600 @ encoding: [0xb0,0xf1,0x40,0xe8]
134 @------------------------------------------------------------------------------
136 @------------------------------------------------------------------------------
139 @ CHECK: bics r1, r6 @ encoding: [0xb1,0x43]
142 @------------------------------------------------------------------------------
144 @------------------------------------------------------------------------------
148 @ CHECK: bkpt #0 @ encoding: [0x00,0xbe]
149 @ CHECK: bkpt #255 @ encoding: [0xff,0xbe]
152 @------------------------------------------------------------------------------
154 @------------------------------------------------------------------------------
158 @ CHECK: bl _bar @ encoding: [A,0xf0'A',A,0xf8'A']
159 @ fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bl
160 @ CHECK: blx _baz @ encoding: [A,0xf0'A',A,0xe8'A']
161 @ fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_blx
164 @------------------------------------------------------------------------------
166 @------------------------------------------------------------------------------
169 @ CHECK: blx r4 @ encoding: [0xa0,0x47]
172 @------------------------------------------------------------------------------
174 @------------------------------------------------------------------------------
177 @ CHECK: bx r2 @ encoding: [0x10,0x47]
180 @------------------------------------------------------------------------------
182 @------------------------------------------------------------------------------
186 @ CHECK: cmn r5, r1 @ encoding: [0xcd,0x42]
189 @------------------------------------------------------------------------------
191 @------------------------------------------------------------------------------
196 @ CHECK: cmp r6, #32 @ encoding: [0x20,0x2e]
197 @ CHECK: cmp r3, r4 @ encoding: [0xa3,0x42]
198 @ CHECK: cmp r8, r1 @ encoding: [0x88,0x45]
200 @------------------------------------------------------------------------------
202 @------------------------------------------------------------------------------
205 @ CHECK: eors r4, r5 @ encoding: [0x6c,0x40]
208 @------------------------------------------------------------------------------
210 @------------------------------------------------------------------------------
211 ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7}
212 ldm r2!, {r1, r3, r4, r5, r7}
215 @ CHECK: ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7} @ encoding: [0xff,0xcb]
216 @ CHECK: ldm r2!, {r1, r3, r4, r5, r7} @ encoding: [0xba,0xca]
217 @ CHECK: ldm r1, {r1} @ encoding: [0x02,0xc9]
220 @------------------------------------------------------------------------------
222 @------------------------------------------------------------------------------
231 @ CHECK: ldr r1, [r5] @ encoding: [0x29,0x68]
232 @ CHECK: ldr r2, [r6, #32] @ encoding: [0x32,0x6a]
233 @ CHECK: ldr r3, [r7, #124] @ encoding: [0xfb,0x6f]
234 @ CHECK: ldr r1, [sp] @ encoding: [0x00,0x99]
235 @ CHECK: ldr r2, [sp, #24] @ encoding: [0x06,0x9a]
236 @ CHECK: ldr r3, [sp, #1020] @ encoding: [0xff,0x9b]
239 @------------------------------------------------------------------------------
241 @------------------------------------------------------------------------------
246 @ CHECK: ldr r1, _foo @ encoding: [A,0x49]
247 @ fixup A - offset: 0, value: _foo, kind: fixup_arm_thumb_cp
248 @ CHECK: ldr r3, #604 @ encoding: [0x97,0x4b]
249 @ CHECK: ldr r3, #368 @ encoding: [0x5c,0x4b]
251 @------------------------------------------------------------------------------
253 @------------------------------------------------------------------------------
256 @ CHECK: ldr r1, [r2, r3] @ encoding: [0xd1,0x58]
259 @------------------------------------------------------------------------------
261 @------------------------------------------------------------------------------
266 @ CHECK: ldrb r4, [r3] @ encoding: [0x1c,0x78]
267 @ CHECK: ldrb r5, [r6] @ encoding: [0x35,0x78]
268 @ CHECK: ldrb r6, [r7, #31] @ encoding: [0xfe,0x7f]
271 @------------------------------------------------------------------------------
273 @------------------------------------------------------------------------------
276 @ CHECK: ldrb r6, [r4, r5] @ encoding: [0x66,0x5d]
279 @------------------------------------------------------------------------------
281 @------------------------------------------------------------------------------
286 @ CHECK: ldrh r3, [r3] @ encoding: [0x1b,0x88]
287 @ CHECK: ldrh r4, [r6, #2] @ encoding: [0x74,0x88]
288 @ CHECK: ldrh r5, [r7, #62] @ encoding: [0xfd,0x8f]
291 @------------------------------------------------------------------------------
293 @------------------------------------------------------------------------------
296 @ CHECK: ldrh r6, [r2, r6] @ encoding: [0x96,0x5b]
299 @------------------------------------------------------------------------------
301 @------------------------------------------------------------------------------
305 @ CHECK: ldrsb r6, [r2, r6] @ encoding: [0x96,0x57]
306 @ CHECK: ldrsh r3, [r7, r1] @ encoding: [0x7b,0x5e]
309 @------------------------------------------------------------------------------
311 @------------------------------------------------------------------------------
315 @ CHECK: lsls r4, r5, #0 @ encoding: [0x2c,0x00]
316 @ CHECK: lsls r4, r5, #4 @ encoding: [0x2c,0x01]
319 @------------------------------------------------------------------------------
321 @------------------------------------------------------------------------------
324 @ CHECK: lsls r2, r6 @ encoding: [0xb2,0x40]
327 @------------------------------------------------------------------------------
329 @------------------------------------------------------------------------------
333 @ CHECK: lsrs r1, r3, #1 @ encoding: [0x59,0x08]
334 @ CHECK: lsrs r1, r3, #32 @ encoding: [0x19,0x08]
337 @------------------------------------------------------------------------------
339 @------------------------------------------------------------------------------
342 @ CHECK: lsrs r2, r6 @ encoding: [0xf2,0x40]
345 @------------------------------------------------------------------------------
347 @------------------------------------------------------------------------------
352 @ CHECK: movs r2, #0 @ encoding: [0x00,0x22]
353 @ CHECK: movs r2, #255 @ encoding: [0xff,0x22]
354 @ CHECK: movs r2, #23 @ encoding: [0x17,0x22]
357 @------------------------------------------------------------------------------
359 @------------------------------------------------------------------------------
363 @ CHECK: mov r3, r4 @ encoding: [0x23,0x46]
364 @ CHECK: movs r1, r3 @ encoding: [0x19,0x00]
367 @------------------------------------------------------------------------------
369 @------------------------------------------------------------------------------
373 @ CHECK: muls r1, r2, r1 @ encoding: [0x51,0x43]
374 @ CHECK: muls r3, r4, r3 @ encoding: [0x63,0x43]
377 @------------------------------------------------------------------------------
379 @------------------------------------------------------------------------------
382 @ CHECK: mvns r6, r3 @ encoding: [0xde,0x43]
385 @------------------------------------------------------------------------------
387 @------------------------------------------------------------------------------
390 @ CHECK: rsbs r3, r4, #0 @ encoding: [0x63,0x42]
392 @------------------------------------------------------------------------------
394 @------------------------------------------------------------------------------
397 @ CHECK-ERRORS: orrs r3, r4 @ encoding: [0x23,0x43]
400 @------------------------------------------------------------------------------
402 @------------------------------------------------------------------------------
405 @ CHECK: pop {r2, r3, r6} @ encoding: [0x4c,0xbc]
408 @------------------------------------------------------------------------------
410 @------------------------------------------------------------------------------
413 @ CHECK: push {r1, r2, r7} @ encoding: [0x86,0xb4]
416 @------------------------------------------------------------------------------
418 @------------------------------------------------------------------------------
423 @ CHECK: rev r6, r3 @ encoding: [0x1e,0xba]
424 @ CHECK: rev16 r7, r2 @ encoding: [0x57,0xba]
425 @ CHECK: revsh r5, r1 @ encoding: [0xcd,0xba]
428 @------------------------------------------------------------------------------
430 @------------------------------------------------------------------------------
433 @ CHECK: rors r2, r7 @ encoding: [0xfa,0x41]
436 @------------------------------------------------------------------------------
438 @------------------------------------------------------------------------------
441 @ CHECK: rsbs r1, r3, #0 @ encoding: [0x59,0x42]
444 @------------------------------------------------------------------------------
446 @------------------------------------------------------------------------------
449 @ CHECK: sbcs r4, r3 @ encoding: [0x9c,0x41]
452 @------------------------------------------------------------------------------
454 @------------------------------------------------------------------------------
458 @ CHECK: setend be @ encoding: [0x58,0xb6]
459 @ CHECK: setend le @ encoding: [0x50,0xb6]
462 @------------------------------------------------------------------------------
464 @------------------------------------------------------------------------------
466 stm r1!, {r1, r2, r3, r7}
468 @ CHECK: stm r1!, {r2, r6} @ encoding: [0x44,0xc1]
469 @ CHECK: stm r1!, {r1, r2, r3, r7} @ encoding: [0x8e,0xc1]
472 @------------------------------------------------------------------------------
474 @------------------------------------------------------------------------------
484 @ CHECK: str r2, [r7] @ encoding: [0x3a,0x60]
485 @ CHECK: str r2, [r7] @ encoding: [0x3a,0x60]
486 @ CHECK: str r5, [r1, #4] @ encoding: [0x4d,0x60]
487 @ CHECK: str r3, [r7, #124] @ encoding: [0xfb,0x67]
488 @ CHECK: str r2, [sp] @ encoding: [0x00,0x92]
489 @ CHECK: str r3, [sp] @ encoding: [0x00,0x93]
490 @ CHECK: str r4, [sp, #20] @ encoding: [0x05,0x94]
491 @ CHECK: str r5, [sp, #1020] @ encoding: [0xff,0x95]
494 @------------------------------------------------------------------------------
496 @------------------------------------------------------------------------------
499 @ CHECK: str r2, [r7, r3] @ encoding: [0xfa,0x50]
502 @------------------------------------------------------------------------------
504 @------------------------------------------------------------------------------
509 @ CHECK: strb r4, [r3] @ encoding: [0x1c,0x70]
510 @ CHECK: strb r5, [r6] @ encoding: [0x35,0x70]
511 @ CHECK: strb r6, [r7, #31] @ encoding: [0xfe,0x77]
514 @------------------------------------------------------------------------------
516 @------------------------------------------------------------------------------
519 @ CHECK: strb r6, [r4, r5] @ encoding: [0x66,0x55]
522 @------------------------------------------------------------------------------
524 @------------------------------------------------------------------------------
529 @ CHECK: strh r3, [r3] @ encoding: [0x1b,0x80]
530 @ CHECK: strh r4, [r6, #2] @ encoding: [0x74,0x80]
531 @ CHECK: strh r5, [r7, #62] @ encoding: [0xfd,0x87]
534 @------------------------------------------------------------------------------
536 @------------------------------------------------------------------------------
539 @ CHECK: strh r6, [r2, r6] @ encoding: [0x96,0x53]
542 @------------------------------------------------------------------------------
544 @------------------------------------------------------------------------------
549 @ CHECK: subs r1, r2, #3 @ encoding: [0xd1,0x1e]
550 @ CHECK: subs r2, #3 @ encoding: [0x03,0x3a]
551 @ CHECK: subs r2, #8 @ encoding: [0x08,0x3a]
554 @------------------------------------------------------------------------------
555 @ SUB (SP minus immediate)
556 @------------------------------------------------------------------------------
560 @ CHECK: sub sp, #12 @ encoding: [0x83,0xb0]
561 @ CHECK: sub sp, #508 @ encoding: [0xff,0xb0]
564 @------------------------------------------------------------------------------
566 @------------------------------------------------------------------------------
569 @ CHECK: subs r1, r2, r3 @ encoding: [0xd1,0x1a]
572 @------------------------------------------------------------------------------
574 @------------------------------------------------------------------------------
578 @ CHECK: svc #0 @ encoding: [0x00,0xdf]
579 @ CHECK: svc #255 @ encoding: [0xff,0xdf]
582 @------------------------------------------------------------------------------
584 @------------------------------------------------------------------------------
588 @ CHECK: sxtb r3, r5 @ encoding: [0x6b,0xb2]
589 @ CHECK: sxth r3, r5 @ encoding: [0x2b,0xb2]
592 @------------------------------------------------------------------------------
594 @------------------------------------------------------------------------------
597 @ CHECK: tst r6, r1 @ encoding: [0x0e,0x42]
600 @------------------------------------------------------------------------------
602 @------------------------------------------------------------------------------
606 @ CHECK: uxtb r7, r2 @ encoding: [0xd7,0xb2]
607 @ CHECK: uxth r1, r4 @ encoding: [0xa1,0xb2]
610 @------------------------------------------------------------------------------
612 @------------------------------------------------------------------------------
617 @ CHECK: wfe @ encoding: [0x20,0xbf]
618 @ CHECK: wfi @ encoding: [0x30,0xbf]
619 @ CHECK: yield @ encoding: [0x10,0xbf]