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      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