1 // Copyright 2011 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 // 28 29 #include <stdlib.h> 30 31 #include "v8.h" 32 33 #include "debug.h" 34 #include "disasm.h" 35 #include "disassembler.h" 36 #include "macro-assembler.h" 37 #include "serialize.h" 38 #include "cctest.h" 39 40 using namespace v8::internal; 41 42 43 bool DisassembleAndCompare(byte* pc, const char* compare_string) { 44 disasm::NameConverter converter; 45 disasm::Disassembler disasm(converter); 46 EmbeddedVector<char, 128> disasm_buffer; 47 48 disasm.InstructionDecode(disasm_buffer, pc); 49 50 if (strcmp(compare_string, disasm_buffer.start()) != 0) { 51 fprintf(stderr, 52 "expected: \n" 53 "%s\n" 54 "disassembled: \n" 55 "%s\n\n", 56 compare_string, disasm_buffer.start()); 57 return false; 58 } 59 return true; 60 } 61 62 63 // Set up V8 to a state where we can at least run the assembler and 64 // disassembler. Declare the variables and allocate the data structures used 65 // in the rest of the macros. 66 #define SET_UP() \ 67 CcTest::InitializeVM(); \ 68 Isolate* isolate = CcTest::i_isolate(); \ 69 HandleScope scope(isolate); \ 70 byte *buffer = reinterpret_cast<byte*>(malloc(4*1024)); \ 71 Assembler assm(isolate, buffer, 4*1024); \ 72 bool failure = false; 73 74 75 // This macro assembles one instruction using the preallocated assembler and 76 // disassembles the generated instruction, comparing the output to the expected 77 // value. If the comparison fails an error message is printed, but the test 78 // continues to run until the end. 79 #define COMPARE(asm_, compare_string) \ 80 { \ 81 int pc_offset = assm.pc_offset(); \ 82 byte *progcounter = &buffer[pc_offset]; \ 83 assm.asm_; \ 84 if (!DisassembleAndCompare(progcounter, compare_string)) failure = true; \ 85 } 86 87 // Force emission of any pending literals into a pool. 88 #define EMIT_PENDING_LITERALS() \ 89 assm.CheckConstPool(true, false) 90 91 92 // Verify that all invocations of the COMPARE macro passed successfully. 93 // Exit with a failure if at least one of the tests failed. 94 #define VERIFY_RUN() \ 95 if (failure) { \ 96 V8_Fatal(__FILE__, __LINE__, "ARM Disassembler tests failed.\n"); \ 97 } 98 99 100 TEST(Type0) { 101 SET_UP(); 102 103 COMPARE(and_(r0, r1, Operand(r2)), 104 "e0010002 and r0, r1, r2"); 105 COMPARE(and_(r1, r2, Operand(r3), LeaveCC), 106 "e0021003 and r1, r2, r3"); 107 COMPARE(and_(r2, r3, Operand(r4), SetCC), 108 "e0132004 ands r2, r3, r4"); 109 COMPARE(and_(r3, r4, Operand(r5), LeaveCC, eq), 110 "00043005 andeq r3, r4, r5"); 111 112 COMPARE(eor(r4, r5, Operand(r6, LSL, 0)), 113 "e0254006 eor r4, r5, r6"); 114 COMPARE(eor(r4, r5, Operand(r7, LSL, 1), SetCC), 115 "e0354087 eors r4, r5, r7, lsl #1"); 116 COMPARE(eor(r4, r5, Operand(r8, LSL, 2), LeaveCC, ne), 117 "10254108 eorne r4, r5, r8, lsl #2"); 118 COMPARE(eor(r4, r5, Operand(r9, LSL, 3), SetCC, cs), 119 "20354189 eorcss r4, r5, r9, lsl #3"); 120 121 COMPARE(sub(r5, r6, Operand(r10, LSL, 31), LeaveCC, hs), 122 "20465f8a subcs r5, r6, r10, lsl #31"); 123 COMPARE(sub(r5, r6, Operand(r10, LSL, 30), SetCC, cc), 124 "30565f0a subccs r5, r6, r10, lsl #30"); 125 COMPARE(sub(r5, r6, Operand(r10, LSL, 24), LeaveCC, lo), 126 "30465c0a subcc r5, r6, r10, lsl #24"); 127 COMPARE(sub(r5, r6, Operand(r10, LSL, 16), SetCC, mi), 128 "4056580a submis r5, r6, r10, lsl #16"); 129 130 COMPARE(rsb(r6, r7, Operand(fp)), 131 "e067600b rsb r6, r7, fp"); 132 COMPARE(rsb(r6, r7, Operand(fp, LSR, 1)), 133 "e06760ab rsb r6, r7, fp, lsr #1"); 134 COMPARE(rsb(r6, r7, Operand(fp, LSR, 0), SetCC), 135 "e077602b rsbs r6, r7, fp, lsr #32"); 136 COMPARE(rsb(r6, r7, Operand(fp, LSR, 31), LeaveCC, pl), 137 "50676fab rsbpl r6, r7, fp, lsr #31"); 138 139 COMPARE(add(r7, r8, Operand(ip, ASR, 1)), 140 "e08870cc add r7, r8, ip, asr #1"); 141 COMPARE(add(r7, r8, Operand(ip, ASR, 0)), 142 "e088704c add r7, r8, ip, asr #32"); 143 COMPARE(add(r7, r8, Operand(ip), SetCC), 144 "e098700c adds r7, r8, ip"); 145 COMPARE(add(r7, r8, Operand(ip, ASR, 31), SetCC, vs), 146 "60987fcc addvss r7, r8, ip, asr #31"); 147 148 COMPARE(adc(r7, fp, Operand(ip, ASR, 5)), 149 "e0ab72cc adc r7, fp, ip, asr #5"); 150 COMPARE(adc(r4, ip, Operand(ip, ASR, 1), LeaveCC, vc), 151 "70ac40cc adcvc r4, ip, ip, asr #1"); 152 COMPARE(adc(r5, sp, Operand(ip), SetCC), 153 "e0bd500c adcs r5, sp, ip"); 154 COMPARE(adc(r8, lr, Operand(ip, ASR, 31), SetCC, vc), 155 "70be8fcc adcvcs r8, lr, ip, asr #31"); 156 157 COMPARE(sbc(r7, r1, Operand(ip, ROR, 1), LeaveCC, hi), 158 "80c170ec sbchi r7, r1, ip, ror #1"); 159 COMPARE(sbc(r7, r9, Operand(ip, ROR, 4)), 160 "e0c9726c sbc r7, r9, ip, ror #4"); 161 COMPARE(sbc(r7, r10, Operand(ip), SetCC), 162 "e0da700c sbcs r7, r10, ip"); 163 COMPARE(sbc(r7, ip, Operand(ip, ROR, 31), SetCC, hi), 164 "80dc7fec sbchis r7, ip, ip, ror #31"); 165 166 COMPARE(rsc(r7, r8, Operand(ip, LSL, r0)), 167 "e0e8701c rsc r7, r8, ip, lsl r0"); 168 COMPARE(rsc(r7, r8, Operand(ip, LSL, r1)), 169 "e0e8711c rsc r7, r8, ip, lsl r1"); 170 COMPARE(rsc(r7, r8, Operand(ip), SetCC), 171 "e0f8700c rscs r7, r8, ip"); 172 COMPARE(rsc(r7, r8, Operand(ip, LSL, r3), SetCC, ls), 173 "90f8731c rsclss r7, r8, ip, lsl r3"); 174 175 COMPARE(tst(r7, Operand(r5, ASR, ip), ge), 176 "a1170c55 tstge r7, r5, asr ip"); 177 COMPARE(tst(r7, Operand(r6, ASR, sp)), 178 "e1170d56 tst r7, r6, asr sp"); 179 COMPARE(tst(r7, Operand(r7), ge), 180 "a1170007 tstge r7, r7"); 181 COMPARE(tst(r7, Operand(r8, ASR, fp), ge), 182 "a1170b58 tstge r7, r8, asr fp"); 183 184 COMPARE(teq(r7, Operand(r5, ROR, r0), lt), 185 "b1370075 teqlt r7, r5, ror r0"); 186 COMPARE(teq(r7, Operand(r6, ROR, lr)), 187 "e1370e76 teq r7, r6, ror lr"); 188 COMPARE(teq(r7, Operand(r7), lt), 189 "b1370007 teqlt r7, r7"); 190 COMPARE(teq(r7, Operand(r8, ROR, r1)), 191 "e1370178 teq r7, r8, ror r1"); 192 193 COMPARE(cmp(r7, Operand(r4)), 194 "e1570004 cmp r7, r4"); 195 COMPARE(cmp(r7, Operand(r6, LSL, 1), gt), 196 "c1570086 cmpgt r7, r6, lsl #1"); 197 COMPARE(cmp(r7, Operand(r8, LSR, 3), gt), 198 "c15701a8 cmpgt r7, r8, lsr #3"); 199 COMPARE(cmp(r7, Operand(r8, ASR, 19)), 200 "e15709c8 cmp r7, r8, asr #19"); 201 202 COMPARE(cmn(r0, Operand(r4)), 203 "e1700004 cmn r0, r4"); 204 COMPARE(cmn(r1, Operand(r6, ROR, 1)), 205 "e17100e6 cmn r1, r6, ror #1"); 206 COMPARE(cmn(r2, Operand(r8)), 207 "e1720008 cmn r2, r8"); 208 COMPARE(cmn(r3, Operand(fp), le), 209 "d173000b cmnle r3, fp"); 210 211 COMPARE(orr(r7, r8, Operand(lr), LeaveCC, al), 212 "e188700e orr r7, r8, lr"); 213 COMPARE(orr(r7, r8, Operand(fp)), 214 "e188700b orr r7, r8, fp"); 215 COMPARE(orr(r7, r8, Operand(sp), SetCC), 216 "e198700d orrs r7, r8, sp"); 217 COMPARE(orr(r7, r8, Operand(ip), SetCC, al), 218 "e198700c orrs r7, r8, ip"); 219 220 COMPARE(mov(r0, Operand(r1), LeaveCC, eq), 221 "01a00001 moveq r0, r1"); 222 COMPARE(mov(r0, Operand(r2)), 223 "e1a00002 mov r0, r2"); 224 COMPARE(mov(r0, Operand(r3), SetCC), 225 "e1b00003 movs r0, r3"); 226 COMPARE(mov(r0, Operand(r4), SetCC, pl), 227 "51b00004 movpls r0, r4"); 228 229 COMPARE(bic(r0, lr, Operand(r1), LeaveCC, vs), 230 "61ce0001 bicvs r0, lr, r1"); 231 COMPARE(bic(r0, r9, Operand(r2), LeaveCC, vc), 232 "71c90002 bicvc r0, r9, r2"); 233 COMPARE(bic(r0, r5, Operand(r3), SetCC), 234 "e1d50003 bics r0, r5, r3"); 235 COMPARE(bic(r0, r1, Operand(r4), SetCC, pl), 236 "51d10004 bicpls r0, r1, r4"); 237 238 COMPARE(mvn(r10, Operand(r1)), 239 "e1e0a001 mvn r10, r1"); 240 COMPARE(mvn(r9, Operand(r2)), 241 "e1e09002 mvn r9, r2"); 242 COMPARE(mvn(r0, Operand(r3), SetCC), 243 "e1f00003 mvns r0, r3"); 244 COMPARE(mvn(r5, Operand(r4), SetCC, cc), 245 "31f05004 mvnccs r5, r4"); 246 247 // Instructions autotransformed by the assembler. 248 // mov -> mvn. 249 COMPARE(mov(r3, Operand(-1), LeaveCC, al), 250 "e3e03000 mvn r3, #0"); 251 COMPARE(mov(r4, Operand(-2), SetCC, al), 252 "e3f04001 mvns r4, #1"); 253 COMPARE(mov(r5, Operand(0x0ffffff0), SetCC, ne), 254 "13f052ff mvnnes r5, #-268435441"); 255 COMPARE(mov(r6, Operand(-1), LeaveCC, ne), 256 "13e06000 mvnne r6, #0"); 257 258 // mvn -> mov. 259 COMPARE(mvn(r3, Operand(-1), LeaveCC, al), 260 "e3a03000 mov r3, #0"); 261 COMPARE(mvn(r4, Operand(-2), SetCC, al), 262 "e3b04001 movs r4, #1"); 263 COMPARE(mvn(r5, Operand(0x0ffffff0), SetCC, ne), 264 "13b052ff movnes r5, #-268435441"); 265 COMPARE(mvn(r6, Operand(-1), LeaveCC, ne), 266 "13a06000 movne r6, #0"); 267 268 // mov -> movw. 269 if (CpuFeatures::IsSupported(ARMv7)) { 270 COMPARE(mov(r5, Operand(0x01234), LeaveCC, ne), 271 "13015234 movwne r5, #4660"); 272 // We only disassemble one instruction so the eor instruction is not here. 273 COMPARE(eor(r5, r4, Operand(0x1234), LeaveCC, ne), 274 "1301c234 movwne ip, #4660"); 275 // Movw can't do setcc so we don't get that here. Mov immediate with setcc 276 // is pretty strange anyway. 277 COMPARE(mov(r5, Operand(0x01234), SetCC, ne), 278 "159fc000 ldrne ip, [pc, #+0]"); 279 // Emit a literal pool now, otherwise this could be dumped later, in the 280 // middle of a different test. 281 EMIT_PENDING_LITERALS(); 282 283 // We only disassemble one instruction so the eor instruction is not here. 284 // The eor does the setcc so we get a movw here. 285 COMPARE(eor(r5, r4, Operand(0x1234), SetCC, ne), 286 "1301c234 movwne ip, #4660"); 287 288 COMPARE(movt(r5, 0x4321, ne), 289 "13445321 movtne r5, #17185"); 290 COMPARE(movw(r5, 0xabcd, eq), 291 "030a5bcd movweq r5, #43981"); 292 } 293 294 // Eor doesn't have an eor-negative variant, but we can do an mvn followed by 295 // an eor to get the same effect. 296 COMPARE(eor(r5, r4, Operand(0xffffff34), SetCC, ne), 297 "13e0c0cb mvnne ip, #203"); 298 299 // and <-> bic. 300 COMPARE(and_(r3, r5, Operand(0xfc03ffff)), 301 "e3c537ff bic r3, r5, #66846720"); 302 COMPARE(bic(r3, r5, Operand(0xfc03ffff)), 303 "e20537ff and r3, r5, #66846720"); 304 305 // sub <-> add. 306 COMPARE(add(r3, r5, Operand(-1024)), 307 "e2453b01 sub r3, r5, #1024"); 308 COMPARE(sub(r3, r5, Operand(-1024)), 309 "e2853b01 add r3, r5, #1024"); 310 311 // cmp <-> cmn. 312 COMPARE(cmp(r3, Operand(-1024)), 313 "e3730b01 cmn r3, #1024"); 314 COMPARE(cmn(r3, Operand(-1024)), 315 "e3530b01 cmp r3, #1024"); 316 317 // Miscellaneous instructions encoded as type 0. 318 COMPARE(blx(ip), 319 "e12fff3c blx ip"); 320 COMPARE(bkpt(0), 321 "e1200070 bkpt 0"); 322 COMPARE(bkpt(0xffff), 323 "e12fff7f bkpt 65535"); 324 COMPARE(clz(r6, r7), 325 "e16f6f17 clz r6, r7"); 326 327 VERIFY_RUN(); 328 } 329 330 331 TEST(Type1) { 332 SET_UP(); 333 334 COMPARE(and_(r0, r1, Operand(0x00000000)), 335 "e2010000 and r0, r1, #0"); 336 COMPARE(and_(r1, r2, Operand(0x00000001), LeaveCC), 337 "e2021001 and r1, r2, #1"); 338 COMPARE(and_(r2, r3, Operand(0x00000010), SetCC), 339 "e2132010 ands r2, r3, #16"); 340 COMPARE(and_(r3, r4, Operand(0x00000100), LeaveCC, eq), 341 "02043c01 andeq r3, r4, #256"); 342 COMPARE(and_(r4, r5, Operand(0x00001000), SetCC, ne), 343 "12154a01 andnes r4, r5, #4096"); 344 345 COMPARE(eor(r4, r5, Operand(0x00001000)), 346 "e2254a01 eor r4, r5, #4096"); 347 COMPARE(eor(r4, r4, Operand(0x00010000), LeaveCC), 348 "e2244801 eor r4, r4, #65536"); 349 COMPARE(eor(r4, r3, Operand(0x00100000), SetCC), 350 "e2334601 eors r4, r3, #1048576"); 351 COMPARE(eor(r4, r2, Operand(0x01000000), LeaveCC, cs), 352 "22224401 eorcs r4, r2, #16777216"); 353 COMPARE(eor(r4, r1, Operand(0x10000000), SetCC, cc), 354 "32314201 eorccs r4, r1, #268435456"); 355 356 VERIFY_RUN(); 357 } 358 359 360 TEST(Type3) { 361 SET_UP(); 362 363 if (CpuFeatures::IsSupported(ARMv7)) { 364 COMPARE(ubfx(r0, r1, 5, 10), 365 "e7e902d1 ubfx r0, r1, #5, #10"); 366 COMPARE(ubfx(r1, r0, 5, 10), 367 "e7e912d0 ubfx r1, r0, #5, #10"); 368 COMPARE(ubfx(r0, r1, 31, 1), 369 "e7e00fd1 ubfx r0, r1, #31, #1"); 370 COMPARE(ubfx(r1, r0, 31, 1), 371 "e7e01fd0 ubfx r1, r0, #31, #1"); 372 373 COMPARE(sbfx(r0, r1, 5, 10), 374 "e7a902d1 sbfx r0, r1, #5, #10"); 375 COMPARE(sbfx(r1, r0, 5, 10), 376 "e7a912d0 sbfx r1, r0, #5, #10"); 377 COMPARE(sbfx(r0, r1, 31, 1), 378 "e7a00fd1 sbfx r0, r1, #31, #1"); 379 COMPARE(sbfx(r1, r0, 31, 1), 380 "e7a01fd0 sbfx r1, r0, #31, #1"); 381 382 COMPARE(bfc(r0, 5, 10), 383 "e7ce029f bfc r0, #5, #10"); 384 COMPARE(bfc(r1, 5, 10), 385 "e7ce129f bfc r1, #5, #10"); 386 COMPARE(bfc(r0, 31, 1), 387 "e7df0f9f bfc r0, #31, #1"); 388 COMPARE(bfc(r1, 31, 1), 389 "e7df1f9f bfc r1, #31, #1"); 390 391 COMPARE(bfi(r0, r1, 5, 10), 392 "e7ce0291 bfi r0, r1, #5, #10"); 393 COMPARE(bfi(r1, r0, 5, 10), 394 "e7ce1290 bfi r1, r0, #5, #10"); 395 COMPARE(bfi(r0, r1, 31, 1), 396 "e7df0f91 bfi r0, r1, #31, #1"); 397 COMPARE(bfi(r1, r0, 31, 1), 398 "e7df1f90 bfi r1, r0, #31, #1"); 399 400 COMPARE(usat(r0, 1, Operand(r1)), 401 "e6e10011 usat r0, #1, r1"); 402 COMPARE(usat(r2, 7, Operand(lr)), 403 "e6e7201e usat r2, #7, lr"); 404 COMPARE(usat(r3, 31, Operand(r4, LSL, 31)), 405 "e6ff3f94 usat r3, #31, r4, lsl #31"); 406 COMPARE(usat(r8, 0, Operand(r5, ASR, 17)), 407 "e6e088d5 usat r8, #0, r5, asr #17"); 408 409 COMPARE(pkhbt(r3, r4, Operand(r5, LSL, 17)), 410 "e6843895 pkhbt r3, r4, r5, lsl #17"); 411 COMPARE(pkhtb(r3, r4, Operand(r5, ASR, 17)), 412 "e68438d5 pkhtb r3, r4, r5, asr #17"); 413 COMPARE(uxtb(r3, Operand(r4, ROR, 8)), 414 "e6ef3474 uxtb r3, r4, ror #8"); 415 COMPARE(uxtab(r3, r4, Operand(r5, ROR, 8)), 416 "e6e43475 uxtab r3, r4, r5, ror #8"); 417 COMPARE(uxtb16(r3, Operand(r4, ROR, 8)), 418 "e6cf3474 uxtb16 r3, r4, ror #8"); 419 } 420 421 VERIFY_RUN(); 422 } 423 424 425 426 TEST(Vfp) { 427 SET_UP(); 428 429 if (CpuFeatures::IsSupported(VFP3)) { 430 CpuFeatureScope scope(&assm, VFP3); 431 COMPARE(vmov(d0, r2, r3), 432 "ec432b10 vmov d0, r2, r3"); 433 COMPARE(vmov(r2, r3, d0), 434 "ec532b10 vmov r2, r3, d0"); 435 COMPARE(vmov(d0, d1), 436 "eeb00b41 vmov.f64 d0, d1"); 437 COMPARE(vmov(d3, d3, eq), 438 "0eb03b43 vmoveq.f64 d3, d3"); 439 440 COMPARE(vmov(s0, s31), 441 "eeb00a6f vmov.f32 s0, s31"); 442 COMPARE(vmov(s31, s0), 443 "eef0fa40 vmov.f32 s31, s0"); 444 COMPARE(vmov(r0, s0), 445 "ee100a10 vmov r0, s0"); 446 COMPARE(vmov(r10, s31), 447 "ee1faa90 vmov r10, s31"); 448 COMPARE(vmov(s0, r0), 449 "ee000a10 vmov s0, r0"); 450 COMPARE(vmov(s31, r10), 451 "ee0faa90 vmov s31, r10"); 452 453 COMPARE(vabs(d0, d1), 454 "eeb00bc1 vabs.f64 d0, d1"); 455 COMPARE(vabs(d3, d4, mi), 456 "4eb03bc4 vabsmi.f64 d3, d4"); 457 458 COMPARE(vneg(d0, d1), 459 "eeb10b41 vneg.f64 d0, d1"); 460 COMPARE(vneg(d3, d4, mi), 461 "4eb13b44 vnegmi.f64 d3, d4"); 462 463 COMPARE(vadd(d0, d1, d2), 464 "ee310b02 vadd.f64 d0, d1, d2"); 465 COMPARE(vadd(d3, d4, d5, mi), 466 "4e343b05 vaddmi.f64 d3, d4, d5"); 467 468 COMPARE(vsub(d0, d1, d2), 469 "ee310b42 vsub.f64 d0, d1, d2"); 470 COMPARE(vsub(d3, d4, d5, ne), 471 "1e343b45 vsubne.f64 d3, d4, d5"); 472 473 COMPARE(vmul(d2, d1, d0), 474 "ee212b00 vmul.f64 d2, d1, d0"); 475 COMPARE(vmul(d6, d4, d5, cc), 476 "3e246b05 vmulcc.f64 d6, d4, d5"); 477 478 COMPARE(vdiv(d2, d2, d2), 479 "ee822b02 vdiv.f64 d2, d2, d2"); 480 COMPARE(vdiv(d6, d7, d7, hi), 481 "8e876b07 vdivhi.f64 d6, d7, d7"); 482 483 COMPARE(vcmp(d0, d1), 484 "eeb40b41 vcmp.f64 d0, d1"); 485 COMPARE(vcmp(d0, 0.0), 486 "eeb50b40 vcmp.f64 d0, #0.0"); 487 488 COMPARE(vsqrt(d0, d0), 489 "eeb10bc0 vsqrt.f64 d0, d0"); 490 COMPARE(vsqrt(d2, d3, ne), 491 "1eb12bc3 vsqrtne.f64 d2, d3"); 492 493 COMPARE(vmov(d0, 1.0), 494 "eeb70b00 vmov.f64 d0, #1"); 495 COMPARE(vmov(d2, -13.0), 496 "eeba2b0a vmov.f64 d2, #-13"); 497 498 COMPARE(vmov(d0, VmovIndexLo, r0), 499 "ee000b10 vmov.32 d0[0], r0"); 500 COMPARE(vmov(d0, VmovIndexHi, r0), 501 "ee200b10 vmov.32 d0[1], r0"); 502 503 COMPARE(vmov(r2, VmovIndexLo, d15), 504 "ee1f2b10 vmov.32 r2, d15[0]"); 505 COMPARE(vmov(r3, VmovIndexHi, d14), 506 "ee3e3b10 vmov.32 r3, d14[1]"); 507 508 COMPARE(vldr(s0, r0, 0), 509 "ed900a00 vldr s0, [r0 + 4*0]"); 510 COMPARE(vldr(s1, r1, 4), 511 "edd10a01 vldr s1, [r1 + 4*1]"); 512 COMPARE(vldr(s15, r4, 16), 513 "edd47a04 vldr s15, [r4 + 4*4]"); 514 COMPARE(vldr(s16, r5, 20), 515 "ed958a05 vldr s16, [r5 + 4*5]"); 516 COMPARE(vldr(s31, r10, 1020), 517 "eddafaff vldr s31, [r10 + 4*255]"); 518 519 COMPARE(vstr(s0, r0, 0), 520 "ed800a00 vstr s0, [r0 + 4*0]"); 521 COMPARE(vstr(s1, r1, 4), 522 "edc10a01 vstr s1, [r1 + 4*1]"); 523 COMPARE(vstr(s15, r8, 8), 524 "edc87a02 vstr s15, [r8 + 4*2]"); 525 COMPARE(vstr(s16, r9, 12), 526 "ed898a03 vstr s16, [r9 + 4*3]"); 527 COMPARE(vstr(s31, r10, 1020), 528 "edcafaff vstr s31, [r10 + 4*255]"); 529 530 COMPARE(vldr(d0, r0, 0), 531 "ed900b00 vldr d0, [r0 + 4*0]"); 532 COMPARE(vldr(d1, r1, 4), 533 "ed911b01 vldr d1, [r1 + 4*1]"); 534 COMPARE(vldr(d15, r10, 1020), 535 "ed9afbff vldr d15, [r10 + 4*255]"); 536 COMPARE(vstr(d0, r0, 0), 537 "ed800b00 vstr d0, [r0 + 4*0]"); 538 COMPARE(vstr(d1, r1, 4), 539 "ed811b01 vstr d1, [r1 + 4*1]"); 540 COMPARE(vstr(d15, r10, 1020), 541 "ed8afbff vstr d15, [r10 + 4*255]"); 542 543 COMPARE(vmsr(r5), 544 "eee15a10 vmsr FPSCR, r5"); 545 COMPARE(vmsr(r10, pl), 546 "5ee1aa10 vmsrpl FPSCR, r10"); 547 COMPARE(vmsr(pc), 548 "eee1fa10 vmsr FPSCR, APSR"); 549 COMPARE(vmrs(r5), 550 "eef15a10 vmrs r5, FPSCR"); 551 COMPARE(vmrs(r10, ge), 552 "aef1aa10 vmrsge r10, FPSCR"); 553 COMPARE(vmrs(pc), 554 "eef1fa10 vmrs APSR, FPSCR"); 555 556 COMPARE(vstm(ia, r0, d1, d3), 557 "ec801b06 vstmia r0, {d1-d3}"); 558 COMPARE(vldm(ia, r1, d2, d5), 559 "ec912b08 vldmia r1, {d2-d5}"); 560 COMPARE(vstm(ia, r2, d0, d15), 561 "ec820b20 vstmia r2, {d0-d15}"); 562 COMPARE(vldm(ia, r3, d0, d15), 563 "ec930b20 vldmia r3, {d0-d15}"); 564 COMPARE(vstm(ia, r4, s1, s3), 565 "ecc40a03 vstmia r4, {s1-s3}"); 566 COMPARE(vldm(ia, r5, s2, s5), 567 "ec951a04 vldmia r5, {s2-s5}"); 568 COMPARE(vstm(ia, r6, s0, s31), 569 "ec860a20 vstmia r6, {s0-s31}"); 570 COMPARE(vldm(ia, r7, s0, s31), 571 "ec970a20 vldmia r7, {s0-s31}"); 572 573 COMPARE(vmla(d2, d1, d0), 574 "ee012b00 vmla.f64 d2, d1, d0"); 575 COMPARE(vmla(d6, d4, d5, cc), 576 "3e046b05 vmlacc.f64 d6, d4, d5"); 577 578 COMPARE(vmls(d2, d1, d0), 579 "ee012b40 vmls.f64 d2, d1, d0"); 580 COMPARE(vmls(d6, d4, d5, cc), 581 "3e046b45 vmlscc.f64 d6, d4, d5"); 582 583 COMPARE(vcvt_u32_f64(s0, d0), 584 "eebc0bc0 vcvt.u32.f64 s0, d0"); 585 COMPARE(vcvt_s32_f64(s0, d0), 586 "eebd0bc0 vcvt.s32.f64 s0, d0"); 587 COMPARE(vcvt_f64_u32(d0, s1), 588 "eeb80b60 vcvt.f64.u32 d0, s1"); 589 COMPARE(vcvt_f64_s32(d0, s1), 590 "eeb80be0 vcvt.f64.s32 d0, s1"); 591 COMPARE(vcvt_f32_s32(s0, s2), 592 "eeb80ac1 vcvt.f32.s32 s0, s2"); 593 COMPARE(vcvt_f64_s32(d0, 1), 594 "eeba0bef vcvt.f64.s32 d0, d0, #1"); 595 596 if (CpuFeatures::IsSupported(VFP32DREGS)) { 597 COMPARE(vmov(d3, d27), 598 "eeb03b6b vmov.f64 d3, d27"); 599 COMPARE(vmov(d18, d7), 600 "eef02b47 vmov.f64 d18, d7"); 601 COMPARE(vmov(d18, r2, r3), 602 "ec432b32 vmov d18, r2, r3"); 603 COMPARE(vmov(r2, r3, d18), 604 "ec532b32 vmov r2, r3, d18"); 605 COMPARE(vmov(d20, d31), 606 "eef04b6f vmov.f64 d20, d31"); 607 608 COMPARE(vabs(d16, d31), 609 "eef00bef vabs.f64 d16, d31"); 610 611 COMPARE(vneg(d16, d31), 612 "eef10b6f vneg.f64 d16, d31"); 613 614 COMPARE(vadd(d16, d17, d18), 615 "ee710ba2 vadd.f64 d16, d17, d18"); 616 617 COMPARE(vsub(d16, d17, d18), 618 "ee710be2 vsub.f64 d16, d17, d18"); 619 620 COMPARE(vmul(d16, d17, d18), 621 "ee610ba2 vmul.f64 d16, d17, d18"); 622 623 COMPARE(vdiv(d16, d17, d18), 624 "eec10ba2 vdiv.f64 d16, d17, d18"); 625 626 COMPARE(vcmp(d16, d17), 627 "eef40b61 vcmp.f64 d16, d17"); 628 COMPARE(vcmp(d16, 0.0), 629 "eef50b40 vcmp.f64 d16, #0.0"); 630 631 COMPARE(vsqrt(d16, d17), 632 "eef10be1 vsqrt.f64 d16, d17"); 633 634 COMPARE(vmov(d30, 16.0), 635 "eef3eb00 vmov.f64 d30, #16"); 636 637 COMPARE(vmov(d31, VmovIndexLo, r7), 638 "ee0f7b90 vmov.32 d31[0], r7"); 639 COMPARE(vmov(d31, VmovIndexHi, r7), 640 "ee2f7b90 vmov.32 d31[1], r7"); 641 642 COMPARE(vldr(d25, r0, 0), 643 "edd09b00 vldr d25, [r0 + 4*0]"); 644 COMPARE(vldr(d26, r1, 4), 645 "edd1ab01 vldr d26, [r1 + 4*1]"); 646 COMPARE(vldr(d31, r10, 1020), 647 "eddafbff vldr d31, [r10 + 4*255]"); 648 649 COMPARE(vstr(d16, r0, 0), 650 "edc00b00 vstr d16, [r0 + 4*0]"); 651 COMPARE(vstr(d17, r1, 4), 652 "edc11b01 vstr d17, [r1 + 4*1]"); 653 COMPARE(vstr(d31, r10, 1020), 654 "edcafbff vstr d31, [r10 + 4*255]"); 655 656 COMPARE(vstm(ia, r0, d16, d31), 657 "ecc00b20 vstmia r0, {d16-d31}"); 658 COMPARE(vldm(ia, r3, d16, d31), 659 "ecd30b20 vldmia r3, {d16-d31}"); 660 COMPARE(vstm(ia, r0, d23, d27), 661 "ecc07b0a vstmia r0, {d23-d27}"); 662 COMPARE(vldm(ia, r3, d23, d27), 663 "ecd37b0a vldmia r3, {d23-d27}"); 664 665 COMPARE(vmla(d16, d17, d18), 666 "ee410ba2 vmla.f64 d16, d17, d18"); 667 668 COMPARE(vcvt_u32_f64(s0, d16), 669 "eebc0be0 vcvt.u32.f64 s0, d16"); 670 COMPARE(vcvt_s32_f64(s0, d16), 671 "eebd0be0 vcvt.s32.f64 s0, d16"); 672 COMPARE(vcvt_f64_u32(d16, s1), 673 "eef80b60 vcvt.f64.u32 d16, s1"); 674 } 675 } 676 677 VERIFY_RUN(); 678 } 679 680 681 TEST(Neon) { 682 SET_UP(); 683 684 if (CpuFeatures::IsSupported(NEON)) { 685 CpuFeatureScope scope(&assm, NEON); 686 COMPARE(vld1(Neon8, NeonListOperand(d4, 4), NeonMemOperand(r1)), 687 "f421420f vld1.8 {d4, d5, d6, d7}, [r1]"); 688 COMPARE(vst1(Neon16, NeonListOperand(d17, 4), NeonMemOperand(r9)), 689 "f449124f vst1.16 {d17, d18, d19, d20}, [r9]"); 690 COMPARE(vmovl(NeonU8, q4, d2), 691 "f3884a12 vmovl.u8 q4, d2"); 692 } 693 694 VERIFY_RUN(); 695 } 696 697 698 TEST(LoadStore) { 699 SET_UP(); 700 701 COMPARE(ldrb(r0, MemOperand(r1)), 702 "e5d10000 ldrb r0, [r1, #+0]"); 703 COMPARE(ldrb(r2, MemOperand(r3, 42)), 704 "e5d3202a ldrb r2, [r3, #+42]"); 705 COMPARE(ldrb(r4, MemOperand(r5, -42)), 706 "e555402a ldrb r4, [r5, #-42]"); 707 COMPARE(ldrb(r6, MemOperand(r7, 42, PostIndex)), 708 "e4d7602a ldrb r6, [r7], #+42"); 709 COMPARE(ldrb(r8, MemOperand(r9, -42, PostIndex)), 710 "e459802a ldrb r8, [r9], #-42"); 711 COMPARE(ldrb(r10, MemOperand(fp, 42, PreIndex)), 712 "e5fba02a ldrb r10, [fp, #+42]!"); 713 COMPARE(ldrb(ip, MemOperand(sp, -42, PreIndex)), 714 "e57dc02a ldrb ip, [sp, #-42]!"); 715 COMPARE(ldrb(r0, MemOperand(r1, r2)), 716 "e7d10002 ldrb r0, [r1, +r2]"); 717 COMPARE(ldrb(r0, MemOperand(r1, r2, NegOffset)), 718 "e7510002 ldrb r0, [r1, -r2]"); 719 COMPARE(ldrb(r0, MemOperand(r1, r2, PostIndex)), 720 "e6d10002 ldrb r0, [r1], +r2"); 721 COMPARE(ldrb(r0, MemOperand(r1, r2, NegPostIndex)), 722 "e6510002 ldrb r0, [r1], -r2"); 723 COMPARE(ldrb(r0, MemOperand(r1, r2, PreIndex)), 724 "e7f10002 ldrb r0, [r1, +r2]!"); 725 COMPARE(ldrb(r0, MemOperand(r1, r2, NegPreIndex)), 726 "e7710002 ldrb r0, [r1, -r2]!"); 727 728 COMPARE(strb(r0, MemOperand(r1)), 729 "e5c10000 strb r0, [r1, #+0]"); 730 COMPARE(strb(r2, MemOperand(r3, 42)), 731 "e5c3202a strb r2, [r3, #+42]"); 732 COMPARE(strb(r4, MemOperand(r5, -42)), 733 "e545402a strb r4, [r5, #-42]"); 734 COMPARE(strb(r6, MemOperand(r7, 42, PostIndex)), 735 "e4c7602a strb r6, [r7], #+42"); 736 COMPARE(strb(r8, MemOperand(r9, -42, PostIndex)), 737 "e449802a strb r8, [r9], #-42"); 738 COMPARE(strb(r10, MemOperand(fp, 42, PreIndex)), 739 "e5eba02a strb r10, [fp, #+42]!"); 740 COMPARE(strb(ip, MemOperand(sp, -42, PreIndex)), 741 "e56dc02a strb ip, [sp, #-42]!"); 742 COMPARE(strb(r0, MemOperand(r1, r2)), 743 "e7c10002 strb r0, [r1, +r2]"); 744 COMPARE(strb(r0, MemOperand(r1, r2, NegOffset)), 745 "e7410002 strb r0, [r1, -r2]"); 746 COMPARE(strb(r0, MemOperand(r1, r2, PostIndex)), 747 "e6c10002 strb r0, [r1], +r2"); 748 COMPARE(strb(r0, MemOperand(r1, r2, NegPostIndex)), 749 "e6410002 strb r0, [r1], -r2"); 750 COMPARE(strb(r0, MemOperand(r1, r2, PreIndex)), 751 "e7e10002 strb r0, [r1, +r2]!"); 752 COMPARE(strb(r0, MemOperand(r1, r2, NegPreIndex)), 753 "e7610002 strb r0, [r1, -r2]!"); 754 755 COMPARE(ldrh(r0, MemOperand(r1)), 756 "e1d100b0 ldrh r0, [r1, #+0]"); 757 COMPARE(ldrh(r2, MemOperand(r3, 42)), 758 "e1d322ba ldrh r2, [r3, #+42]"); 759 COMPARE(ldrh(r4, MemOperand(r5, -42)), 760 "e15542ba ldrh r4, [r5, #-42]"); 761 COMPARE(ldrh(r6, MemOperand(r7, 42, PostIndex)), 762 "e0d762ba ldrh r6, [r7], #+42"); 763 COMPARE(ldrh(r8, MemOperand(r9, -42, PostIndex)), 764 "e05982ba ldrh r8, [r9], #-42"); 765 COMPARE(ldrh(r10, MemOperand(fp, 42, PreIndex)), 766 "e1fba2ba ldrh r10, [fp, #+42]!"); 767 COMPARE(ldrh(ip, MemOperand(sp, -42, PreIndex)), 768 "e17dc2ba ldrh ip, [sp, #-42]!"); 769 COMPARE(ldrh(r0, MemOperand(r1, r2)), 770 "e19100b2 ldrh r0, [r1, +r2]"); 771 COMPARE(ldrh(r0, MemOperand(r1, r2, NegOffset)), 772 "e11100b2 ldrh r0, [r1, -r2]"); 773 COMPARE(ldrh(r0, MemOperand(r1, r2, PostIndex)), 774 "e09100b2 ldrh r0, [r1], +r2"); 775 COMPARE(ldrh(r0, MemOperand(r1, r2, NegPostIndex)), 776 "e01100b2 ldrh r0, [r1], -r2"); 777 COMPARE(ldrh(r0, MemOperand(r1, r2, PreIndex)), 778 "e1b100b2 ldrh r0, [r1, +r2]!"); 779 COMPARE(ldrh(r0, MemOperand(r1, r2, NegPreIndex)), 780 "e13100b2 ldrh r0, [r1, -r2]!"); 781 782 COMPARE(strh(r0, MemOperand(r1)), 783 "e1c100b0 strh r0, [r1, #+0]"); 784 COMPARE(strh(r2, MemOperand(r3, 42)), 785 "e1c322ba strh r2, [r3, #+42]"); 786 COMPARE(strh(r4, MemOperand(r5, -42)), 787 "e14542ba strh r4, [r5, #-42]"); 788 COMPARE(strh(r6, MemOperand(r7, 42, PostIndex)), 789 "e0c762ba strh r6, [r7], #+42"); 790 COMPARE(strh(r8, MemOperand(r9, -42, PostIndex)), 791 "e04982ba strh r8, [r9], #-42"); 792 COMPARE(strh(r10, MemOperand(fp, 42, PreIndex)), 793 "e1eba2ba strh r10, [fp, #+42]!"); 794 COMPARE(strh(ip, MemOperand(sp, -42, PreIndex)), 795 "e16dc2ba strh ip, [sp, #-42]!"); 796 COMPARE(strh(r0, MemOperand(r1, r2)), 797 "e18100b2 strh r0, [r1, +r2]"); 798 COMPARE(strh(r0, MemOperand(r1, r2, NegOffset)), 799 "e10100b2 strh r0, [r1, -r2]"); 800 COMPARE(strh(r0, MemOperand(r1, r2, PostIndex)), 801 "e08100b2 strh r0, [r1], +r2"); 802 COMPARE(strh(r0, MemOperand(r1, r2, NegPostIndex)), 803 "e00100b2 strh r0, [r1], -r2"); 804 COMPARE(strh(r0, MemOperand(r1, r2, PreIndex)), 805 "e1a100b2 strh r0, [r1, +r2]!"); 806 COMPARE(strh(r0, MemOperand(r1, r2, NegPreIndex)), 807 "e12100b2 strh r0, [r1, -r2]!"); 808 809 COMPARE(ldr(r0, MemOperand(r1)), 810 "e5910000 ldr r0, [r1, #+0]"); 811 COMPARE(ldr(r2, MemOperand(r3, 42)), 812 "e593202a ldr r2, [r3, #+42]"); 813 COMPARE(ldr(r4, MemOperand(r5, -42)), 814 "e515402a ldr r4, [r5, #-42]"); 815 COMPARE(ldr(r6, MemOperand(r7, 42, PostIndex)), 816 "e497602a ldr r6, [r7], #+42"); 817 COMPARE(ldr(r8, MemOperand(r9, -42, PostIndex)), 818 "e419802a ldr r8, [r9], #-42"); 819 COMPARE(ldr(r10, MemOperand(fp, 42, PreIndex)), 820 "e5bba02a ldr r10, [fp, #+42]!"); 821 COMPARE(ldr(ip, MemOperand(sp, -42, PreIndex)), 822 "e53dc02a ldr ip, [sp, #-42]!"); 823 COMPARE(ldr(r0, MemOperand(r1, r2)), 824 "e7910002 ldr r0, [r1, +r2]"); 825 COMPARE(ldr(r0, MemOperand(r1, r2, NegOffset)), 826 "e7110002 ldr r0, [r1, -r2]"); 827 COMPARE(ldr(r0, MemOperand(r1, r2, PostIndex)), 828 "e6910002 ldr r0, [r1], +r2"); 829 COMPARE(ldr(r0, MemOperand(r1, r2, NegPostIndex)), 830 "e6110002 ldr r0, [r1], -r2"); 831 COMPARE(ldr(r0, MemOperand(r1, r2, PreIndex)), 832 "e7b10002 ldr r0, [r1, +r2]!"); 833 COMPARE(ldr(r0, MemOperand(r1, r2, NegPreIndex)), 834 "e7310002 ldr r0, [r1, -r2]!"); 835 836 COMPARE(str(r0, MemOperand(r1)), 837 "e5810000 str r0, [r1, #+0]"); 838 COMPARE(str(r2, MemOperand(r3, 42)), 839 "e583202a str r2, [r3, #+42]"); 840 COMPARE(str(r4, MemOperand(r5, -42)), 841 "e505402a str r4, [r5, #-42]"); 842 COMPARE(str(r6, MemOperand(r7, 42, PostIndex)), 843 "e487602a str r6, [r7], #+42"); 844 COMPARE(str(r8, MemOperand(r9, -42, PostIndex)), 845 "e409802a str r8, [r9], #-42"); 846 COMPARE(str(r10, MemOperand(fp, 42, PreIndex)), 847 "e5aba02a str r10, [fp, #+42]!"); 848 COMPARE(str(ip, MemOperand(sp, -42, PreIndex)), 849 "e52dc02a str ip, [sp, #-42]!"); 850 COMPARE(str(r0, MemOperand(r1, r2)), 851 "e7810002 str r0, [r1, +r2]"); 852 COMPARE(str(r0, MemOperand(r1, r2, NegOffset)), 853 "e7010002 str r0, [r1, -r2]"); 854 COMPARE(str(r0, MemOperand(r1, r2, PostIndex)), 855 "e6810002 str r0, [r1], +r2"); 856 COMPARE(str(r0, MemOperand(r1, r2, NegPostIndex)), 857 "e6010002 str r0, [r1], -r2"); 858 COMPARE(str(r0, MemOperand(r1, r2, PreIndex)), 859 "e7a10002 str r0, [r1, +r2]!"); 860 COMPARE(str(r0, MemOperand(r1, r2, NegPreIndex)), 861 "e7210002 str r0, [r1, -r2]!"); 862 863 if (CpuFeatures::IsSupported(ARMv7)) { 864 CpuFeatureScope scope(&assm, ARMv7); 865 COMPARE(ldrd(r0, r1, MemOperand(r1)), 866 "e1c100d0 ldrd r0, [r1, #+0]"); 867 COMPARE(ldrd(r2, r3, MemOperand(r3, 127)), 868 "e1c327df ldrd r2, [r3, #+127]"); 869 COMPARE(ldrd(r4, r5, MemOperand(r5, -127)), 870 "e14547df ldrd r4, [r5, #-127]"); 871 COMPARE(ldrd(r6, r7, MemOperand(r7, 127, PostIndex)), 872 "e0c767df ldrd r6, [r7], #+127"); 873 COMPARE(ldrd(r8, r9, MemOperand(r9, -127, PostIndex)), 874 "e04987df ldrd r8, [r9], #-127"); 875 COMPARE(ldrd(r10, fp, MemOperand(fp, 127, PreIndex)), 876 "e1eba7df ldrd r10, [fp, #+127]!"); 877 COMPARE(ldrd(ip, sp, MemOperand(sp, -127, PreIndex)), 878 "e16dc7df ldrd ip, [sp, #-127]!"); 879 880 COMPARE(strd(r0, r1, MemOperand(r1)), 881 "e1c100f0 strd r0, [r1, #+0]"); 882 COMPARE(strd(r2, r3, MemOperand(r3, 127)), 883 "e1c327ff strd r2, [r3, #+127]"); 884 COMPARE(strd(r4, r5, MemOperand(r5, -127)), 885 "e14547ff strd r4, [r5, #-127]"); 886 COMPARE(strd(r6, r7, MemOperand(r7, 127, PostIndex)), 887 "e0c767ff strd r6, [r7], #+127"); 888 COMPARE(strd(r8, r9, MemOperand(r9, -127, PostIndex)), 889 "e04987ff strd r8, [r9], #-127"); 890 COMPARE(strd(r10, fp, MemOperand(fp, 127, PreIndex)), 891 "e1eba7ff strd r10, [fp, #+127]!"); 892 COMPARE(strd(ip, sp, MemOperand(sp, -127, PreIndex)), 893 "e16dc7ff strd ip, [sp, #-127]!"); 894 895 COMPARE(pld(MemOperand(r1, 0)), 896 "f5d1f000 pld [r1]"); 897 COMPARE(pld(MemOperand(r2, 128)), 898 "f5d2f080 pld [r2, #+128]"); 899 } 900 901 VERIFY_RUN(); 902 } 903
