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
