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 @------------------------------------------------------------------------------
65 @ CHECK: add sp, #4 @ encoding: [0x01,0xb0]
66 @ CHECK: add sp, #508 @ encoding: [0x7f,0xb0]
67 @ CHECK: add sp, #4 @ encoding: [0x01,0xb0]
68 @ CHECK: add r2, sp, #8 @ encoding: [0x02,0xaa]
69 @ CHECK: add r2, sp, #1020 @ encoding: [0xff,0xaa]
70 @ CHECK: sub sp, #8 @ encoding: [0x82,0xb0]
71 @ CHECK: sub sp, #8 @ encoding: [0x82,0xb0]
74 @------------------------------------------------------------------------------
75 @ ADD (SP plus register)
76 @------------------------------------------------------------------------------
80 @ CHECK: add sp, r3 @ encoding: [0x9d,0x44]
81 @ CHECK: add r2, sp, r2 @ encoding: [0x6a,0x44]
84 @------------------------------------------------------------------------------
86 @------------------------------------------------------------------------------
90 @ CHECK: adr r2, _baz @ encoding: [A,0xa2]
91 @ fixup A - offset: 0, value: _baz, kind: fixup_thumb_adr_pcrel_10
92 @ CHECK: adr r2, #3 @ encoding: [0x03,0xa2]
94 @------------------------------------------------------------------------------
96 @------------------------------------------------------------------------------
104 @ CHECK: asrs r2, r3, #32 @ encoding: [0x1a,0x10]
105 @ CHECK: asrs r2, r3, #5 @ encoding: [0x5a,0x11]
106 @ CHECK: asrs r2, r3, #1 @ encoding: [0x5a,0x10]
107 @ CHECK: asrs r5, r5, #21 @ encoding: [0x6d,0x15]
108 @ CHECK: asrs r5, r5, #21 @ encoding: [0x6d,0x15]
109 @ CHECK: asrs r3, r5, #21 @ encoding: [0x6b,0x15]
112 @------------------------------------------------------------------------------
114 @------------------------------------------------------------------------------
117 @ CHECK: asrs r5, r2 @ encoding: [0x15,0x41]
120 @------------------------------------------------------------------------------
122 @------------------------------------------------------------------------------
130 @ CHECK: b _baz @ encoding: [A,0xe0'A']
131 @ fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_br
132 @ CHECK: beq _bar @ encoding: [A,0xd0]
133 @ fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bcc
134 @ CHECK: b #1838 @ encoding: [0x97,0xe3]
135 @ CHECK: b #-420 @ encoding: [0x2e,0xe7]
136 @ CHECK: beq #336 @ encoding: [0xa8,0xd0]
137 @ CHECK: beq #160 @ encoding: [0x50,0xd0]
139 @------------------------------------------------------------------------------
141 @------------------------------------------------------------------------------
145 @ CHECK: blx #884800 @ encoding: [0xd8,0xf0,0x20,0xe8]
146 @ CHECK: blx #1769600 @ encoding: [0xb0,0xf1,0x40,0xe8]
148 @------------------------------------------------------------------------------
150 @------------------------------------------------------------------------------
153 @ CHECK: bics r1, r6 @ encoding: [0xb1,0x43]
156 @------------------------------------------------------------------------------
158 @------------------------------------------------------------------------------
162 @ CHECK: bkpt #0 @ encoding: [0x00,0xbe]
163 @ CHECK: bkpt #255 @ encoding: [0xff,0xbe]
166 @------------------------------------------------------------------------------
168 @------------------------------------------------------------------------------
172 @ CHECK: bl _bar @ encoding: [A,0xf0'A',A,0xd0'A']
173 @ fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bl
174 @ CHECK: blx _baz @ encoding: [A,0xf0'A',A,0xc0'A']
175 @ fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_blx
178 @------------------------------------------------------------------------------
180 @------------------------------------------------------------------------------
183 @ CHECK: blx r4 @ encoding: [0xa0,0x47]
186 @------------------------------------------------------------------------------
188 @------------------------------------------------------------------------------
191 @ CHECK: bx r2 @ encoding: [0x10,0x47]
194 @------------------------------------------------------------------------------
196 @------------------------------------------------------------------------------
200 @ CHECK: cmn r5, r1 @ encoding: [0xcd,0x42]
203 @------------------------------------------------------------------------------
205 @------------------------------------------------------------------------------
210 @ CHECK: cmp r6, #32 @ encoding: [0x20,0x2e]
211 @ CHECK: cmp r3, r4 @ encoding: [0xa3,0x42]
212 @ CHECK: cmp r8, r1 @ encoding: [0x88,0x45]
214 @------------------------------------------------------------------------------
216 @------------------------------------------------------------------------------
219 @ CHECK: eors r4, r5 @ encoding: [0x6c,0x40]
222 @------------------------------------------------------------------------------
224 @------------------------------------------------------------------------------
225 ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7}
226 ldm r2!, {r1, r3, r4, r5, r7}
229 @ CHECK: ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7} @ encoding: [0xff,0xcb]
230 @ CHECK: ldm r2!, {r1, r3, r4, r5, r7} @ encoding: [0xba,0xca]
231 @ CHECK: ldm r1, {r1} @ encoding: [0x02,0xc9]
234 @------------------------------------------------------------------------------
236 @------------------------------------------------------------------------------
245 @ CHECK: ldr r1, [r5] @ encoding: [0x29,0x68]
246 @ CHECK: ldr r2, [r6, #32] @ encoding: [0x32,0x6a]
247 @ CHECK: ldr r3, [r7, #124] @ encoding: [0xfb,0x6f]
248 @ CHECK: ldr r1, [sp] @ encoding: [0x00,0x99]
249 @ CHECK: ldr r2, [sp, #24] @ encoding: [0x06,0x9a]
250 @ CHECK: ldr r3, [sp, #1020] @ encoding: [0xff,0x9b]
253 @------------------------------------------------------------------------------
255 @------------------------------------------------------------------------------
260 @ CHECK: ldr r1, _foo @ encoding: [A,0x49]
261 @ fixup A - offset: 0, value: _foo, kind: fixup_arm_thumb_cp
262 @ CHECK: ldr r3, #604 @ encoding: [0x97,0x4b]
263 @ CHECK: ldr r3, #368 @ encoding: [0x5c,0x4b]
265 @------------------------------------------------------------------------------
267 @------------------------------------------------------------------------------
270 @ CHECK: ldr r1, [r2, r3] @ encoding: [0xd1,0x58]
273 @------------------------------------------------------------------------------
275 @------------------------------------------------------------------------------
280 @ CHECK: ldrb r4, [r3] @ encoding: [0x1c,0x78]
281 @ CHECK: ldrb r5, [r6] @ encoding: [0x35,0x78]
282 @ CHECK: ldrb r6, [r7, #31] @ encoding: [0xfe,0x7f]
285 @------------------------------------------------------------------------------
287 @------------------------------------------------------------------------------
290 @ CHECK: ldrb r6, [r4, r5] @ encoding: [0x66,0x5d]
293 @------------------------------------------------------------------------------
295 @------------------------------------------------------------------------------
300 @ CHECK: ldrh r3, [r3] @ encoding: [0x1b,0x88]
301 @ CHECK: ldrh r4, [r6, #2] @ encoding: [0x74,0x88]
302 @ CHECK: ldrh r5, [r7, #62] @ encoding: [0xfd,0x8f]
305 @------------------------------------------------------------------------------
307 @------------------------------------------------------------------------------
310 @ CHECK: ldrh r6, [r2, r6] @ encoding: [0x96,0x5b]
313 @------------------------------------------------------------------------------
315 @------------------------------------------------------------------------------
319 @ CHECK: ldrsb r6, [r2, r6] @ encoding: [0x96,0x57]
320 @ CHECK: ldrsh r3, [r7, r1] @ encoding: [0x7b,0x5e]
323 @------------------------------------------------------------------------------
325 @------------------------------------------------------------------------------
332 @ CHECK: lsls r4, r5, #0 @ encoding: [0x2c,0x00]
333 @ CHECK: lsls r4, r5, #4 @ encoding: [0x2c,0x01]
334 @ CHECK: lsls r3, r3, #12 @ encoding: [0x1b,0x03]
335 @ CHECK: lsls r3, r3, #12 @ encoding: [0x1b,0x03]
336 @ CHECK: lsls r1, r3, #12 @ encoding: [0x19,0x03]
339 @------------------------------------------------------------------------------
341 @------------------------------------------------------------------------------
344 @ CHECK: lsls r2, r6 @ encoding: [0xb2,0x40]
347 @------------------------------------------------------------------------------
349 @------------------------------------------------------------------------------
356 @ CHECK: lsrs r1, r3, #1 @ encoding: [0x59,0x08]
357 @ CHECK: lsrs r1, r3, #32 @ encoding: [0x19,0x08]
358 @ CHECK: lsrs r4, r4, #20 @ encoding: [0x24,0x0d]
359 @ CHECK: lsrs r4, r4, #20 @ encoding: [0x24,0x0d]
360 @ CHECK: lsrs r2, r4, #20 @ encoding: [0x22,0x0d]
363 @------------------------------------------------------------------------------
365 @------------------------------------------------------------------------------
368 @ CHECK: lsrs r2, r6 @ encoding: [0xf2,0x40]
371 @------------------------------------------------------------------------------
373 @------------------------------------------------------------------------------
378 @ CHECK: movs r2, #0 @ encoding: [0x00,0x22]
379 @ CHECK: movs r2, #255 @ encoding: [0xff,0x22]
380 @ CHECK: movs r2, #23 @ encoding: [0x17,0x22]
383 @------------------------------------------------------------------------------
385 @------------------------------------------------------------------------------
389 @ CHECK: mov r3, r4 @ encoding: [0x23,0x46]
390 @ CHECK: movs r1, r3 @ encoding: [0x19,0x00]
393 @------------------------------------------------------------------------------
395 @------------------------------------------------------------------------------
400 @ CHECK: muls r1, r2, r1 @ encoding: [0x51,0x43]
401 @ CHECK: muls r2, r3, r2 @ encoding: [0x5a,0x43]
402 @ CHECK: muls r3, r4, r3 @ encoding: [0x63,0x43]
405 @------------------------------------------------------------------------------
407 @------------------------------------------------------------------------------
410 @ CHECK: mvns r6, r3 @ encoding: [0xde,0x43]
413 @------------------------------------------------------------------------------
415 @------------------------------------------------------------------------------
418 @ CHECK: rsbs r3, r4, #0 @ encoding: [0x63,0x42]
420 @------------------------------------------------------------------------------
422 @------------------------------------------------------------------------------
425 @ CHECK-ERRORS: orrs r3, r4 @ encoding: [0x23,0x43]
428 @------------------------------------------------------------------------------
430 @------------------------------------------------------------------------------
433 @ CHECK: pop {r2, r3, r6} @ encoding: [0x4c,0xbc]
436 @------------------------------------------------------------------------------
438 @------------------------------------------------------------------------------
441 @ CHECK: push {r1, r2, r7} @ encoding: [0x86,0xb4]
444 @------------------------------------------------------------------------------
446 @------------------------------------------------------------------------------
451 @ CHECK: rev r6, r3 @ encoding: [0x1e,0xba]
452 @ CHECK: rev16 r7, r2 @ encoding: [0x57,0xba]
453 @ CHECK: revsh r5, r1 @ encoding: [0xcd,0xba]
456 @------------------------------------------------------------------------------
458 @------------------------------------------------------------------------------
461 @ CHECK: rors r2, r7 @ encoding: [0xfa,0x41]
464 @------------------------------------------------------------------------------
466 @------------------------------------------------------------------------------
469 @ CHECK: rsbs r1, r3, #0 @ encoding: [0x59,0x42]
472 @------------------------------------------------------------------------------
474 @------------------------------------------------------------------------------
477 @ CHECK: sbcs r4, r3 @ encoding: [0x9c,0x41]
480 @------------------------------------------------------------------------------
482 @------------------------------------------------------------------------------
486 @ CHECK: setend be @ encoding: [0x58,0xb6]
487 @ CHECK: setend le @ encoding: [0x50,0xb6]
490 @------------------------------------------------------------------------------
492 @------------------------------------------------------------------------------
494 stm r1!, {r1, r2, r3, r7}
496 @ CHECK: stm r1!, {r2, r6} @ encoding: [0x44,0xc1]
497 @ CHECK: stm r1!, {r1, r2, r3, r7} @ encoding: [0x8e,0xc1]
500 @------------------------------------------------------------------------------
502 @------------------------------------------------------------------------------
512 @ CHECK: str r2, [r7] @ encoding: [0x3a,0x60]
513 @ CHECK: str r2, [r7] @ encoding: [0x3a,0x60]
514 @ CHECK: str r5, [r1, #4] @ encoding: [0x4d,0x60]
515 @ CHECK: str r3, [r7, #124] @ encoding: [0xfb,0x67]
516 @ CHECK: str r2, [sp] @ encoding: [0x00,0x92]
517 @ CHECK: str r3, [sp] @ encoding: [0x00,0x93]
518 @ CHECK: str r4, [sp, #20] @ encoding: [0x05,0x94]
519 @ CHECK: str r5, [sp, #1020] @ encoding: [0xff,0x95]
522 @------------------------------------------------------------------------------
524 @------------------------------------------------------------------------------
527 @ CHECK: str r2, [r7, r3] @ encoding: [0xfa,0x50]
530 @------------------------------------------------------------------------------
532 @------------------------------------------------------------------------------
537 @ CHECK: strb r4, [r3] @ encoding: [0x1c,0x70]
538 @ CHECK: strb r5, [r6] @ encoding: [0x35,0x70]
539 @ CHECK: strb r6, [r7, #31] @ encoding: [0xfe,0x77]
542 @------------------------------------------------------------------------------
544 @------------------------------------------------------------------------------
547 @ CHECK: strb r6, [r4, r5] @ encoding: [0x66,0x55]
550 @------------------------------------------------------------------------------
552 @------------------------------------------------------------------------------
557 @ CHECK: strh r3, [r3] @ encoding: [0x1b,0x80]
558 @ CHECK: strh r4, [r6, #2] @ encoding: [0x74,0x80]
559 @ CHECK: strh r5, [r7, #62] @ encoding: [0xfd,0x87]
562 @------------------------------------------------------------------------------
564 @------------------------------------------------------------------------------
567 @ CHECK: strh r6, [r2, r6] @ encoding: [0x96,0x53]
570 @------------------------------------------------------------------------------
572 @------------------------------------------------------------------------------
577 @ CHECK: subs r1, r2, #3 @ encoding: [0xd1,0x1e]
578 @ CHECK: subs r2, #3 @ encoding: [0x03,0x3a]
579 @ CHECK: subs r2, #8 @ encoding: [0x08,0x3a]
582 @------------------------------------------------------------------------------
583 @ SUB (SP minus immediate)
584 @------------------------------------------------------------------------------
588 @ CHECK: sub sp, #12 @ encoding: [0x83,0xb0]
589 @ CHECK: sub sp, #508 @ encoding: [0xff,0xb0]
592 @------------------------------------------------------------------------------
594 @------------------------------------------------------------------------------
597 @ CHECK: subs r1, r2, r3 @ encoding: [0xd1,0x1a]
600 @------------------------------------------------------------------------------
602 @------------------------------------------------------------------------------
606 @ CHECK: svc #0 @ encoding: [0x00,0xdf]
607 @ CHECK: svc #255 @ encoding: [0xff,0xdf]
610 @------------------------------------------------------------------------------
612 @------------------------------------------------------------------------------
616 @ CHECK: sxtb r3, r5 @ encoding: [0x6b,0xb2]
617 @ CHECK: sxth r3, r5 @ encoding: [0x2b,0xb2]
620 @------------------------------------------------------------------------------
622 @------------------------------------------------------------------------------
625 @ CHECK: tst r6, r1 @ encoding: [0x0e,0x42]
628 @------------------------------------------------------------------------------
630 @------------------------------------------------------------------------------
634 @ CHECK: uxtb r7, r2 @ encoding: [0xd7,0xb2]
635 @ CHECK: uxth r1, r4 @ encoding: [0xa1,0xb2]