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 .syntax unified 8 .globl _func 9 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 14@ more reasonable. 15 16 17@ FIXME: Some 3-operand instructions have a 2-operand assembly syntax. 18 19_func: 20@ CHECK: _func 21 22@------------------------------------------------------------------------------ 23@ ADC (register) 24@------------------------------------------------------------------------------ 25 adcs r4, r6 26 27@ CHECK: adcs r4, r6 @ encoding: [0x74,0x41] 28 29 30@------------------------------------------------------------------------------ 31@ ADD (immediate) 32@------------------------------------------------------------------------------ 33 adds r1, r2, #3 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. 36 adds r2, #3 37 adds r2, #8 38 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] 42 43 44@------------------------------------------------------------------------------ 45@ ADD (register) 46@------------------------------------------------------------------------------ 47 adds r1, r2, r3 48 add r2, r8 49 50@ CHECK: adds r1, r2, r3 @ encoding: [0xd1,0x18] 51@ CHECK: add r2, r8 @ encoding: [0x42,0x44] 52 53 54@------------------------------------------------------------------------------ 55@ ADD (SP plus immediate) 56@------------------------------------------------------------------------------ 57 add sp, #4 58 add sp, #508 59 add sp, sp, #4 60 add r2, sp, #8 61 add r2, sp, #1020 62 add sp, sp, #-8 63 add sp, #-8 64 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] 72 73 74@------------------------------------------------------------------------------ 75@ ADD (SP plus register) 76@------------------------------------------------------------------------------ 77 add sp, r3 78 add r2, sp, r2 79 80@ CHECK: add sp, r3 @ encoding: [0x9d,0x44] 81@ CHECK: add r2, sp, r2 @ encoding: [0x6a,0x44] 82 83 84@------------------------------------------------------------------------------ 85@ ADR 86@------------------------------------------------------------------------------ 87 adr r2, _baz 88 adr r2, #3 89 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] 93 94@------------------------------------------------------------------------------ 95@ ASR (immediate) 96@------------------------------------------------------------------------------ 97 asrs r2, r3, #32 98 asrs r2, r3, #5 99 asrs r2, r3, #1 100 asrs r5, #21 101 asrs r5, r5, #21 102 asrs r3, r5, #21 103 104@ 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] 110 111 112@------------------------------------------------------------------------------ 113@ ASR (register) 114@------------------------------------------------------------------------------ 115 asrs r5, r2 116 117@ CHECK: asrs r5, r2 @ encoding: [0x15,0x41] 118 119 120@------------------------------------------------------------------------------ 121@ B 122@------------------------------------------------------------------------------ 123 b _baz 124 beq _bar 125 b #1838 126 b #-420 127 beq #336 128 beq #160 129 130@ 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] 138 139@------------------------------------------------------------------------------ 140@ BL/BLX 141@------------------------------------------------------------------------------ 142 blx #884800 143 blx #1769600 144 145@ CHECK: blx #884800 @ encoding: [0xd8,0xf0,0x20,0xe8] 146@ CHECK: blx #1769600 @ encoding: [0xb0,0xf1,0x40,0xe8] 147 148@------------------------------------------------------------------------------ 149@ BICS 150@------------------------------------------------------------------------------ 151 bics r1, r6 152 153@ CHECK: bics r1, r6 @ encoding: [0xb1,0x43] 154 155 156@------------------------------------------------------------------------------ 157@ BKPT 158@------------------------------------------------------------------------------ 159 bkpt #0 160 bkpt #255 161 162@ CHECK: bkpt #0 @ encoding: [0x00,0xbe] 163@ CHECK: bkpt #255 @ encoding: [0xff,0xbe] 164 165 166@------------------------------------------------------------------------------ 167@ BL/BLX (immediate) 168@------------------------------------------------------------------------------ 169 bl _bar 170 blx _baz 171 172@ CHECK: bl _bar @ encoding: [A,0xf0'A',A,0xf8'A'] 173 @ fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bl 174@ CHECK: blx _baz @ encoding: [A,0xf0'A',A,0xe8'A'] 175 @ fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_blx 176 177 178@------------------------------------------------------------------------------ 179@ BLX (register) 180@------------------------------------------------------------------------------ 181 blx r4 182 183@ CHECK: blx r4 @ encoding: [0xa0,0x47] 184 185 186@------------------------------------------------------------------------------ 187@ BX 188@------------------------------------------------------------------------------ 189 bx r2 190 191@ CHECK: bx r2 @ encoding: [0x10,0x47] 192 193 194@------------------------------------------------------------------------------ 195@ CMN 196@------------------------------------------------------------------------------ 197 198 cmn r5, r1 199 200@ CHECK: cmn r5, r1 @ encoding: [0xcd,0x42] 201 202 203@------------------------------------------------------------------------------ 204@ CMP 205@------------------------------------------------------------------------------ 206 cmp r6, #32 207 cmp r3, r4 208 cmp r8, r1 209 210@ CHECK: cmp r6, #32 @ encoding: [0x20,0x2e] 211@ CHECK: cmp r3, r4 @ encoding: [0xa3,0x42] 212@ CHECK: cmp r8, r1 @ encoding: [0x88,0x45] 213 214@------------------------------------------------------------------------------ 215@ EOR 216@------------------------------------------------------------------------------ 217 eors r4, r5 218 219@ CHECK: eors r4, r5 @ encoding: [0x6c,0x40] 220 221 222@------------------------------------------------------------------------------ 223@ LDM 224@------------------------------------------------------------------------------ 225 ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7} 226 ldm r2!, {r1, r3, r4, r5, r7} 227 ldm r1, {r1} 228 229@ 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] 232 233 234@------------------------------------------------------------------------------ 235@ LDR (immediate) 236@------------------------------------------------------------------------------ 237 ldr r1, [r5] 238 ldr r2, [r6, #32] 239 ldr r3, [r7, #124] 240 ldr r1, [sp] 241 ldr r2, [sp, #24] 242 ldr r3, [sp, #1020] 243 244 245@ 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] 251 252 253@------------------------------------------------------------------------------ 254@ LDR (literal) 255@------------------------------------------------------------------------------ 256 ldr r1, _foo 257 ldr r3, #604 258 ldr r3, #368 259 260@ 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] 264 265@------------------------------------------------------------------------------ 266@ LDR (register) 267@------------------------------------------------------------------------------ 268 ldr r1, [r2, r3] 269 270@ CHECK: ldr r1, [r2, r3] @ encoding: [0xd1,0x58] 271 272 273@------------------------------------------------------------------------------ 274@ LDRB (immediate) 275@------------------------------------------------------------------------------ 276 ldrb r4, [r3] 277 ldrb r5, [r6, #0] 278 ldrb r6, [r7, #31] 279 280@ CHECK: ldrb r4, [r3] @ encoding: [0x1c,0x78] 281@ CHECK: ldrb r5, [r6] @ encoding: [0x35,0x78] 282@ CHECK: ldrb r6, [r7, #31] @ encoding: [0xfe,0x7f] 283 284 285@------------------------------------------------------------------------------ 286@ LDRB (register) 287@------------------------------------------------------------------------------ 288 ldrb r6, [r4, r5] 289 290@ CHECK: ldrb r6, [r4, r5] @ encoding: [0x66,0x5d] 291 292 293@------------------------------------------------------------------------------ 294@ LDRH (immediate) 295@------------------------------------------------------------------------------ 296 ldrh r3, [r3] 297 ldrh r4, [r6, #2] 298 ldrh r5, [r7, #62] 299 300@ 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] 303 304 305@------------------------------------------------------------------------------ 306@ LDRH (register) 307@------------------------------------------------------------------------------ 308 ldrh r6, [r2, r6] 309 310@ CHECK: ldrh r6, [r2, r6] @ encoding: [0x96,0x5b] 311 312 313@------------------------------------------------------------------------------ 314@ LDRSB/LDRSH 315@------------------------------------------------------------------------------ 316 ldrsb r6, [r2, r6] 317 ldrsh r3, [r7, r1] 318 319@ CHECK: ldrsb r6, [r2, r6] @ encoding: [0x96,0x57] 320@ CHECK: ldrsh r3, [r7, r1] @ encoding: [0x7b,0x5e] 321 322 323@------------------------------------------------------------------------------ 324@ LSL (immediate) 325@------------------------------------------------------------------------------ 326 lsls r4, r5, #0 327 lsls r4, r5, #4 328 lsls r3, #12 329 lsls r3, r3, #12 330 lsls r1, r3, #12 331 332@ 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] 337 338 339@------------------------------------------------------------------------------ 340@ LSL (register) 341@------------------------------------------------------------------------------ 342 lsls r2, r6 343 344@ CHECK: lsls r2, r6 @ encoding: [0xb2,0x40] 345 346 347@------------------------------------------------------------------------------ 348@ LSR (immediate) 349@------------------------------------------------------------------------------ 350 lsrs r1, r3, #1 351 lsrs r1, r3, #32 352 lsrs r4, #20 353 lsrs r4, r4, #20 354 lsrs r2, r4, #20 355 356@ 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] 361 362 363@------------------------------------------------------------------------------ 364@ LSR (register) 365@------------------------------------------------------------------------------ 366 lsrs r2, r6 367 368@ CHECK: lsrs r2, r6 @ encoding: [0xf2,0x40] 369 370 371@------------------------------------------------------------------------------ 372@ MOV (immediate) 373@------------------------------------------------------------------------------ 374 movs r2, #0 375 movs r2, #255 376 movs r2, #23 377 378@ CHECK: movs r2, #0 @ encoding: [0x00,0x22] 379@ CHECK: movs r2, #255 @ encoding: [0xff,0x22] 380@ CHECK: movs r2, #23 @ encoding: [0x17,0x22] 381 382 383@------------------------------------------------------------------------------ 384@ MOV (register) 385@------------------------------------------------------------------------------ 386 mov r3, r4 387 movs r1, r3 388 389@ CHECK: mov r3, r4 @ encoding: [0x23,0x46] 390@ CHECK: movs r1, r3 @ encoding: [0x19,0x00] 391 392 393@------------------------------------------------------------------------------ 394@ MUL 395@------------------------------------------------------------------------------ 396 muls r1, r2, r1 397 muls r2, r2, r3 398 muls r3, r4 399 400@ 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] 403 404 405@------------------------------------------------------------------------------ 406@ MVN 407@------------------------------------------------------------------------------ 408 mvns r6, r3 409 410@ CHECK: mvns r6, r3 @ encoding: [0xde,0x43] 411 412 413@------------------------------------------------------------------------------ 414@ NEG 415@------------------------------------------------------------------------------ 416 negs r3, r4 417 418@ CHECK: rsbs r3, r4, #0 @ encoding: [0x63,0x42] 419 420@------------------------------------------------------------------------------ 421@ ORR 422@------------------------------------------------------------------------------ 423 orrs r3, r4 424 425@ CHECK-ERRORS: orrs r3, r4 @ encoding: [0x23,0x43] 426 427 428@------------------------------------------------------------------------------ 429@ POP 430@------------------------------------------------------------------------------ 431 pop {r2, r3, r6} 432 433@ CHECK: pop {r2, r3, r6} @ encoding: [0x4c,0xbc] 434 435 436@------------------------------------------------------------------------------ 437@ PUSH 438@------------------------------------------------------------------------------ 439 push {r1, r2, r7} 440 441@ CHECK: push {r1, r2, r7} @ encoding: [0x86,0xb4] 442 443 444@------------------------------------------------------------------------------ 445@ REV/REV16/REVSH 446@------------------------------------------------------------------------------ 447 rev r6, r3 448 rev16 r7, r2 449 revsh r5, r1 450 451@ CHECK: rev r6, r3 @ encoding: [0x1e,0xba] 452@ CHECK: rev16 r7, r2 @ encoding: [0x57,0xba] 453@ CHECK: revsh r5, r1 @ encoding: [0xcd,0xba] 454 455 456@------------------------------------------------------------------------------ 457@ ROR 458@------------------------------------------------------------------------------ 459 rors r2, r7 460 461@ CHECK: rors r2, r7 @ encoding: [0xfa,0x41] 462 463 464@------------------------------------------------------------------------------ 465@ RSB 466@------------------------------------------------------------------------------ 467 rsbs r1, r3, #0 468 469@ CHECK: rsbs r1, r3, #0 @ encoding: [0x59,0x42] 470 471 472@------------------------------------------------------------------------------ 473@ SBC 474@------------------------------------------------------------------------------ 475 sbcs r4, r3 476 477@ CHECK: sbcs r4, r3 @ encoding: [0x9c,0x41] 478 479 480@------------------------------------------------------------------------------ 481@ SETEND 482@------------------------------------------------------------------------------ 483 setend be 484 setend le 485 486@ CHECK: setend be @ encoding: [0x58,0xb6] 487@ CHECK: setend le @ encoding: [0x50,0xb6] 488 489 490@------------------------------------------------------------------------------ 491@ STM 492@------------------------------------------------------------------------------ 493 stm r1!, {r2, r6} 494 stm r1!, {r1, r2, r3, r7} 495 496@ CHECK: stm r1!, {r2, r6} @ encoding: [0x44,0xc1] 497@ CHECK: stm r1!, {r1, r2, r3, r7} @ encoding: [0x8e,0xc1] 498 499 500@------------------------------------------------------------------------------ 501@ STR (immediate) 502@------------------------------------------------------------------------------ 503 str r2, [r7] 504 str r2, [r7, #0] 505 str r5, [r1, #4] 506 str r3, [r7, #124] 507 str r2, [sp] 508 str r3, [sp, #0] 509 str r4, [sp, #20] 510 str r5, [sp, #1020] 511 512@ 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] 520 521 522@------------------------------------------------------------------------------ 523@ STR (register) 524@------------------------------------------------------------------------------ 525 str r2, [r7, r3] 526 527@ CHECK: str r2, [r7, r3] @ encoding: [0xfa,0x50] 528 529 530@------------------------------------------------------------------------------ 531@ STRB (immediate) 532@------------------------------------------------------------------------------ 533 strb r4, [r3] 534 strb r5, [r6, #0] 535 strb r6, [r7, #31] 536 537@ CHECK: strb r4, [r3] @ encoding: [0x1c,0x70] 538@ CHECK: strb r5, [r6] @ encoding: [0x35,0x70] 539@ CHECK: strb r6, [r7, #31] @ encoding: [0xfe,0x77] 540 541 542@------------------------------------------------------------------------------ 543@ STRB (register) 544@------------------------------------------------------------------------------ 545 strb r6, [r4, r5] 546 547@ CHECK: strb r6, [r4, r5] @ encoding: [0x66,0x55] 548 549 550@------------------------------------------------------------------------------ 551@ STRH (immediate) 552@------------------------------------------------------------------------------ 553 strh r3, [r3] 554 strh r4, [r6, #2] 555 strh r5, [r7, #62] 556 557@ 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] 560 561 562@------------------------------------------------------------------------------ 563@ STRH (register) 564@------------------------------------------------------------------------------ 565 strh r6, [r2, r6] 566 567@ CHECK: strh r6, [r2, r6] @ encoding: [0x96,0x53] 568 569 570@------------------------------------------------------------------------------ 571@ SUB (immediate) 572@------------------------------------------------------------------------------ 573 subs r1, r2, #3 574 subs r2, #3 575 subs r2, #8 576 577@ CHECK: subs r1, r2, #3 @ encoding: [0xd1,0x1e] 578@ CHECK: subs r2, #3 @ encoding: [0x03,0x3a] 579@ CHECK: subs r2, #8 @ encoding: [0x08,0x3a] 580 581 582@------------------------------------------------------------------------------ 583@ SUB (SP minus immediate) 584@------------------------------------------------------------------------------ 585 sub sp, #12 586 sub sp, sp, #508 587 588@ CHECK: sub sp, #12 @ encoding: [0x83,0xb0] 589@ CHECK: sub sp, #508 @ encoding: [0xff,0xb0] 590 591 592@------------------------------------------------------------------------------ 593@ SUB (register) 594@------------------------------------------------------------------------------ 595 subs r1, r2, r3 596 597@ CHECK: subs r1, r2, r3 @ encoding: [0xd1,0x1a] 598 599 600@------------------------------------------------------------------------------ 601@ SVC 602@------------------------------------------------------------------------------ 603 svc #0 604 svc #255 605 606@ CHECK: svc #0 @ encoding: [0x00,0xdf] 607@ CHECK: svc #255 @ encoding: [0xff,0xdf] 608 609 610@------------------------------------------------------------------------------ 611@ SXTB/SXTH 612@------------------------------------------------------------------------------ 613 sxtb r3, r5 614 sxth r3, r5 615 616@ CHECK: sxtb r3, r5 @ encoding: [0x6b,0xb2] 617@ CHECK: sxth r3, r5 @ encoding: [0x2b,0xb2] 618 619 620@------------------------------------------------------------------------------ 621@ TST 622@------------------------------------------------------------------------------ 623 tst r6, r1 624 625@ CHECK: tst r6, r1 @ encoding: [0x0e,0x42] 626 627 628@------------------------------------------------------------------------------ 629@ UXTB/UXTH 630@------------------------------------------------------------------------------ 631 uxtb r7, r2 632 uxth r1, r4 633 634@ CHECK: uxtb r7, r2 @ encoding: [0xd7,0xb2] 635@ CHECK: uxth r1, r4 @ encoding: [0xa1,0xb2] 636 637 638@------------------------------------------------------------------------------ 639@ WFE/WFI/YIELD 640@------------------------------------------------------------------------------ 641 wfe 642 wfi 643 yield 644 645@ CHECK: wfe @ encoding: [0x20,0xbf] 646@ CHECK: wfi @ encoding: [0x30,0xbf] 647@ CHECK: yield @ encoding: [0x10,0xbf] 648