// Copyright 2011 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // #include #include "src/assembler-inl.h" #include "src/boxed-float.h" #include "src/debug/debug.h" #include "src/disasm.h" #include "src/disassembler.h" #include "src/double.h" #include "src/frames-inl.h" #include "src/macro-assembler.h" #include "src/objects-inl.h" #include "src/v8.h" #include "test/cctest/cctest.h" namespace v8 { namespace internal { template bool DisassembleAndCompare(byte* begin, S... expected_strings) { disasm::NameConverter converter; disasm::Disassembler disasm(converter); EmbeddedVector buffer; std::vector expected_disassembly = {expected_strings...}; size_t n_expected = expected_disassembly.size(); byte* end = begin + (n_expected * Assembler::kInstrSize); std::vector disassembly; for (byte* pc = begin; pc < end;) { pc += disasm.InstructionDecode(buffer, pc); disassembly.emplace_back(buffer.start()); } bool test_passed = true; for (size_t i = 0; i < disassembly.size(); i++) { if (expected_disassembly[i] != disassembly[i]) { fprintf(stderr, "expected: \n" "%s\n" "disassembled: \n" "%s\n\n", expected_disassembly[i].c_str(), disassembly[i].c_str()); test_passed = false; } } // Fail after printing expected disassembly if we expected a different number // of instructions. if (disassembly.size() != expected_disassembly.size()) { return false; } return test_passed; } // Set up V8 to a state where we can at least run the assembler and // disassembler. Declare the variables and allocate the data structures used // in the rest of the macros. #define SET_UP() \ CcTest::InitializeVM(); \ Isolate* isolate = CcTest::i_isolate(); \ HandleScope scope(isolate); \ byte *buffer = reinterpret_cast(malloc(4*1024)); \ Assembler assm(isolate, buffer, 4*1024); \ bool failure = false; // This macro assembles one instruction using the preallocated assembler and // disassembles the generated instruction, comparing the output to the expected // value. If the comparison fails an error message is printed, but the test // continues to run until the end. #define COMPARE(asm_, ...) \ { \ int pc_offset = assm.pc_offset(); \ byte* progcounter = &buffer[pc_offset]; \ assm.asm_; \ if (!DisassembleAndCompare(progcounter, __VA_ARGS__)) failure = true; \ } // Force emission of any pending literals into a pool. #define EMIT_PENDING_LITERALS() \ assm.CheckConstPool(true, false) // Verify that all invocations of the COMPARE macro passed successfully. // Exit with a failure if at least one of the tests failed. #define VERIFY_RUN() \ if (failure) { \ V8_Fatal(__FILE__, __LINE__, "ARM Disassembler tests failed.\n"); \ } // clang-format off TEST(Type0) { SET_UP(); COMPARE(and_(r0, r1, Operand(r2)), "e0010002 and r0, r1, r2"); COMPARE(and_(r1, r2, Operand(r3), LeaveCC), "e0021003 and r1, r2, r3"); COMPARE(and_(r2, r3, Operand(r4), SetCC), "e0132004 ands r2, r3, r4"); COMPARE(and_(r3, r4, Operand(r5), LeaveCC, eq), "00043005 andeq r3, r4, r5"); COMPARE(eor(r4, r5, Operand(r6, LSL, 0)), "e0254006 eor r4, r5, r6"); COMPARE(eor(r4, r5, Operand(r7, LSL, 1), SetCC), "e0354087 eors r4, r5, r7, lsl #1"); COMPARE(eor(r4, r5, Operand(r8, LSL, 2), LeaveCC, ne), "10254108 eorne r4, r5, r8, lsl #2"); COMPARE(eor(r4, r5, Operand(r9, LSL, 3), SetCC, cs), "20354189 eorcss r4, r5, r9, lsl #3"); COMPARE(sub(r5, r6, Operand(r10, LSL, 31), LeaveCC, hs), "20465f8a subcs r5, r6, r10, lsl #31"); COMPARE(sub(r5, r6, Operand(r10, LSL, 30), SetCC, cc), "30565f0a subccs r5, r6, r10, lsl #30"); COMPARE(sub(r5, r6, Operand(r10, LSL, 24), LeaveCC, lo), "30465c0a subcc r5, r6, r10, lsl #24"); COMPARE(sub(r5, r6, Operand(r10, LSL, 16), SetCC, mi), "4056580a submis r5, r6, r10, lsl #16"); COMPARE(rsb(r6, r7, Operand(fp)), "e067600b rsb r6, r7, fp"); COMPARE(rsb(r6, r7, Operand(fp, LSR, 1)), "e06760ab rsb r6, r7, fp, lsr #1"); COMPARE(rsb(r6, r7, Operand(fp, LSR, 0), SetCC), "e077602b rsbs r6, r7, fp, lsr #32"); COMPARE(rsb(r6, r7, Operand(fp, LSR, 31), LeaveCC, pl), "50676fab rsbpl r6, r7, fp, lsr #31"); COMPARE(add(r7, r8, Operand(ip, ASR, 1)), "e08870cc add r7, r8, ip, asr #1"); COMPARE(add(r7, r8, Operand(ip, ASR, 0)), "e088704c add r7, r8, ip, asr #32"); COMPARE(add(r7, r8, Operand(ip), SetCC), "e098700c adds r7, r8, ip"); COMPARE(add(r7, r8, Operand(ip, ASR, 31), SetCC, vs), "60987fcc addvss r7, r8, ip, asr #31"); COMPARE(adc(r7, fp, Operand(ip, ASR, 5)), "e0ab72cc adc r7, fp, ip, asr #5"); COMPARE(adc(r4, ip, Operand(ip, ASR, 1), LeaveCC, vc), "70ac40cc adcvc r4, ip, ip, asr #1"); COMPARE(adc(r5, sp, Operand(ip), SetCC), "e0bd500c adcs r5, sp, ip"); COMPARE(adc(r8, lr, Operand(ip, ASR, 31), SetCC, vc), "70be8fcc adcvcs r8, lr, ip, asr #31"); COMPARE(sbc(r7, r1, Operand(ip, ROR, 1), LeaveCC, hi), "80c170ec sbchi r7, r1, ip, ror #1"); COMPARE(sbc(r7, r9, Operand(ip, ROR, 4)), "e0c9726c sbc r7, r9, ip, ror #4"); COMPARE(sbc(r7, r10, Operand(ip), SetCC), "e0da700c sbcs r7, r10, ip"); COMPARE(sbc(r7, ip, Operand(ip, ROR, 31), SetCC, hi), "80dc7fec sbchis r7, ip, ip, ror #31"); COMPARE(rsc(r7, r8, Operand(ip, LSL, r0)), "e0e8701c rsc r7, r8, ip, lsl r0"); COMPARE(rsc(r7, r8, Operand(ip, LSL, r1)), "e0e8711c rsc r7, r8, ip, lsl r1"); COMPARE(rsc(r7, r8, Operand(ip), SetCC), "e0f8700c rscs r7, r8, ip"); COMPARE(rsc(r7, r8, Operand(ip, LSL, r3), SetCC, ls), "90f8731c rsclss r7, r8, ip, lsl r3"); COMPARE(tst(r7, Operand(r5, ASR, ip), ge), "a1170c55 tstge r7, r5, asr ip"); COMPARE(tst(r7, Operand(r6, ASR, sp)), "e1170d56 tst r7, r6, asr sp"); COMPARE(tst(r7, Operand(r7), ge), "a1170007 tstge r7, r7"); COMPARE(tst(r7, Operand(r8, ASR, fp), ge), "a1170b58 tstge r7, r8, asr fp"); COMPARE(teq(r7, Operand(r5, ROR, r0), lt), "b1370075 teqlt r7, r5, ror r0"); COMPARE(teq(r7, Operand(r6, ROR, lr)), "e1370e76 teq r7, r6, ror lr"); COMPARE(teq(r7, Operand(r7), lt), "b1370007 teqlt r7, r7"); COMPARE(teq(r7, Operand(r8, ROR, r1)), "e1370178 teq r7, r8, ror r1"); COMPARE(cmp(r7, Operand(r4)), "e1570004 cmp r7, r4"); COMPARE(cmp(r7, Operand(r6, LSL, 1), gt), "c1570086 cmpgt r7, r6, lsl #1"); COMPARE(cmp(r7, Operand(r8, LSR, 3), gt), "c15701a8 cmpgt r7, r8, lsr #3"); COMPARE(cmp(r7, Operand(r8, ASR, 19)), "e15709c8 cmp r7, r8, asr #19"); COMPARE(cmn(r0, Operand(r4)), "e1700004 cmn r0, r4"); COMPARE(cmn(r1, Operand(r6, ROR, 1)), "e17100e6 cmn r1, r6, ror #1"); COMPARE(cmn(r2, Operand(r8)), "e1720008 cmn r2, r8"); COMPARE(cmn(r3, Operand(fp), le), "d173000b cmnle r3, fp"); COMPARE(orr(r7, r8, Operand(lr), LeaveCC, al), "e188700e orr r7, r8, lr"); COMPARE(orr(r7, r8, Operand(fp)), "e188700b orr r7, r8, fp"); COMPARE(orr(r7, r8, Operand(sp), SetCC), "e198700d orrs r7, r8, sp"); COMPARE(orr(r7, r8, Operand(ip), SetCC, al), "e198700c orrs r7, r8, ip"); COMPARE(mov(r0, Operand(r1), LeaveCC, eq), "01a00001 moveq r0, r1"); COMPARE(mov(r0, Operand(r2)), "e1a00002 mov r0, r2"); COMPARE(mov(r0, Operand(r3), SetCC), "e1b00003 movs r0, r3"); COMPARE(mov(r0, Operand(r4), SetCC, pl), "51b00004 movpls r0, r4"); COMPARE(bic(r0, lr, Operand(r1), LeaveCC, vs), "61ce0001 bicvs r0, lr, r1"); COMPARE(bic(r0, r9, Operand(r2), LeaveCC, vc), "71c90002 bicvc r0, r9, r2"); COMPARE(bic(r0, r5, Operand(r3), SetCC), "e1d50003 bics r0, r5, r3"); COMPARE(bic(r0, r1, Operand(r4), SetCC, pl), "51d10004 bicpls r0, r1, r4"); COMPARE(mvn(r10, Operand(r1)), "e1e0a001 mvn r10, r1"); COMPARE(mvn(r9, Operand(r2)), "e1e09002 mvn r9, r2"); COMPARE(mvn(r0, Operand(r3), SetCC), "e1f00003 mvns r0, r3"); COMPARE(mvn(r5, Operand(r4), SetCC, cc), "31f05004 mvnccs r5, r4"); // Instructions autotransformed by the assembler. // mov -> mvn. COMPARE(mov(r3, Operand(-1), LeaveCC, al), "e3e03000 mvn r3, #0"); COMPARE(mov(r4, Operand(-2), SetCC, al), "e3f04001 mvns r4, #1"); COMPARE(mov(r5, Operand(0x0FFFFFF0), SetCC, ne), "13f052ff mvnnes r5, #-268435441"); COMPARE(mov(r6, Operand(-1), LeaveCC, ne), "13e06000 mvnne r6, #0"); // mvn -> mov. COMPARE(mvn(r3, Operand(-1), LeaveCC, al), "e3a03000 mov r3, #0"); COMPARE(mvn(r4, Operand(-2), SetCC, al), "e3b04001 movs r4, #1"); COMPARE(mvn(r5, Operand(0x0FFFFFF0), SetCC, ne), "13b052ff movnes r5, #-268435441"); COMPARE(mvn(r6, Operand(-1), LeaveCC, ne), "13a06000 movne r6, #0"); // mov -> movw. if (CpuFeatures::IsSupported(ARMv7)) { COMPARE(mov(r5, Operand(0x01234), LeaveCC, ne), "13015234 movwne r5, #4660"); COMPARE(eor(r5, r4, Operand(0x1234), LeaveCC, ne), "13015234 movwne r5, #4660", "10245005 eorne r5, r4, r5"); // Movw can't do setcc, so first move to r5, then the following instruction // sets the flags. Mov immediate with setcc is pretty strange anyway. COMPARE(mov(r5, Operand(0x01234), SetCC, ne), "13015234 movwne r5, #4660", "11b05005 movnes r5, r5"); // Emit a literal pool now, otherwise this could be dumped later, in the // middle of a different test. EMIT_PENDING_LITERALS(); // The eor does the setcc so we get a movw here. COMPARE(eor(r5, r4, Operand(0x1234), SetCC, ne), "13015234 movwne r5, #4660", "10345005 eornes r5, r4, r5"); COMPARE(movt(r5, 0x4321, ne), "13445321 movtne r5, #17185"); COMPARE(movw(r5, 0xABCD, eq), "030a5bcd movweq r5, #43981"); } // Eor doesn't have an eor-negative variant, but we can do an mvn followed by // an eor to get the same effect. COMPARE(eor(r5, r4, Operand(0xFFFFFF34), SetCC, ne), "13e050cb mvnne r5, #203", "10345005 eornes r5, r4, r5"); // and <-> bic. COMPARE(and_(r3, r5, Operand(0xFC03FFFF)), "e3c537ff bic r3, r5, #66846720"); COMPARE(bic(r3, r5, Operand(0xFC03FFFF)), "e20537ff and r3, r5, #66846720"); // sub <-> add. COMPARE(add(r3, r5, Operand(-1024)), "e2453b01 sub r3, r5, #1024"); COMPARE(sub(r3, r5, Operand(-1024)), "e2853b01 add r3, r5, #1024"); // cmp <-> cmn. COMPARE(cmp(r3, Operand(-1024)), "e3730b01 cmn r3, #1024"); COMPARE(cmn(r3, Operand(-1024)), "e3530b01 cmp r3, #1024"); // Miscellaneous instructions encoded as type 0. COMPARE(blx(ip), "e12fff3c blx ip"); COMPARE(bkpt(0), "e1200070 bkpt 0"); COMPARE(bkpt(0xFFFF), "e12fff7f bkpt 65535"); COMPARE(clz(r6, r7), "e16f6f17 clz r6, r7"); VERIFY_RUN(); } TEST(Type1) { SET_UP(); COMPARE(and_(r0, r1, Operand(0x00000000)), "e2010000 and r0, r1, #0"); COMPARE(and_(r1, r2, Operand(0x00000001), LeaveCC), "e2021001 and r1, r2, #1"); COMPARE(and_(r2, r3, Operand(0x00000010), SetCC), "e2132010 ands r2, r3, #16"); COMPARE(and_(r3, r4, Operand(0x00000100), LeaveCC, eq), "02043c01 andeq r3, r4, #256"); COMPARE(and_(r4, r5, Operand(0x00001000), SetCC, ne), "12154a01 andnes r4, r5, #4096"); COMPARE(eor(r4, r5, Operand(0x00001000)), "e2254a01 eor r4, r5, #4096"); COMPARE(eor(r4, r4, Operand(0x00010000), LeaveCC), "e2244801 eor r4, r4, #65536"); COMPARE(eor(r4, r3, Operand(0x00100000), SetCC), "e2334601 eors r4, r3, #1048576"); COMPARE(eor(r4, r2, Operand(0x01000000), LeaveCC, cs), "22224401 eorcs r4, r2, #16777216"); COMPARE(eor(r4, r1, Operand(0x10000000), SetCC, cc), "32314201 eorccs r4, r1, #268435456"); VERIFY_RUN(); } TEST(Type3) { SET_UP(); if (CpuFeatures::IsSupported(ARMv7)) { CpuFeatureScope scope(&assm, ARMv7); COMPARE(ubfx(r0, r1, 5, 10), "e7e902d1 ubfx r0, r1, #5, #10"); COMPARE(ubfx(r1, r0, 5, 10), "e7e912d0 ubfx r1, r0, #5, #10"); COMPARE(ubfx(r0, r1, 31, 1), "e7e00fd1 ubfx r0, r1, #31, #1"); COMPARE(ubfx(r1, r0, 31, 1), "e7e01fd0 ubfx r1, r0, #31, #1"); COMPARE(sbfx(r0, r1, 5, 10), "e7a902d1 sbfx r0, r1, #5, #10"); COMPARE(sbfx(r1, r0, 5, 10), "e7a912d0 sbfx r1, r0, #5, #10"); COMPARE(sbfx(r0, r1, 31, 1), "e7a00fd1 sbfx r0, r1, #31, #1"); COMPARE(sbfx(r1, r0, 31, 1), "e7a01fd0 sbfx r1, r0, #31, #1"); COMPARE(bfc(r0, 5, 10), "e7ce029f bfc r0, #5, #10"); COMPARE(bfc(r1, 5, 10), "e7ce129f bfc r1, #5, #10"); COMPARE(bfc(r0, 31, 1), "e7df0f9f bfc r0, #31, #1"); COMPARE(bfc(r1, 31, 1), "e7df1f9f bfc r1, #31, #1"); COMPARE(bfi(r0, r1, 5, 10), "e7ce0291 bfi r0, r1, #5, #10"); COMPARE(bfi(r1, r0, 5, 10), "e7ce1290 bfi r1, r0, #5, #10"); COMPARE(bfi(r0, r1, 31, 1), "e7df0f91 bfi r0, r1, #31, #1"); COMPARE(bfi(r1, r0, 31, 1), "e7df1f90 bfi r1, r0, #31, #1"); COMPARE(pkhbt(r3, r4, Operand(r5, LSL, 17)), "e6843895 pkhbt r3, r4, r5, lsl #17"); COMPARE(pkhtb(r3, r4, Operand(r5, ASR, 17)), "e68438d5 pkhtb r3, r4, r5, asr #17"); COMPARE(sxtb(r1, r7, 0, eq), "06af1077 sxtbeq r1, r7"); COMPARE(sxtb(r0, r0, 8, ne), "16af0470 sxtbne r0, r0, ror #8"); COMPARE(sxtb(r9, r10, 16), "e6af987a sxtb r9, r10, ror #16"); COMPARE(sxtb(r4, r3, 24), "e6af4c73 sxtb r4, r3, ror #24"); COMPARE(sxtab(r3, r4, r5), "e6a43075 sxtab r3, r4, r5"); COMPARE(sxth(r5, r0), "e6bf5070 sxth r5, r0"); COMPARE(sxth(r5, r9, 8), "e6bf5479 sxth r5, r9, ror #8"); COMPARE(sxth(r5, r9, 16, hi), "86bf5879 sxthhi r5, r9, ror #16"); COMPARE(sxth(r8, r9, 24, cc), "36bf8c79 sxthcc r8, r9, ror #24"); COMPARE(sxtah(r3, r4, r5, 16), "e6b43875 sxtah r3, r4, r5, ror #16"); COMPARE(uxtb(r9, r10), "e6ef907a uxtb r9, r10"); COMPARE(uxtb(r3, r4, 8), "e6ef3474 uxtb r3, r4, ror #8"); COMPARE(uxtab(r3, r4, r5, 8), "e6e43475 uxtab r3, r4, r5, ror #8"); COMPARE(uxtb16(r3, r4, 8), "e6cf3474 uxtb16 r3, r4, ror #8"); COMPARE(uxth(r9, r10), "e6ff907a uxth r9, r10"); COMPARE(uxth(r3, r4, 8), "e6ff3474 uxth r3, r4, ror #8"); COMPARE(uxtah(r3, r4, r5, 24), "e6f43c75 uxtah r3, r4, r5, ror #24"); COMPARE(rbit(r1, r2), "e6ff1f32 rbit r1, r2"); COMPARE(rbit(r10, ip), "e6ffaf3c rbit r10, ip"); } COMPARE(usat(r0, 1, Operand(r1)), "e6e10011 usat r0, #1, r1"); COMPARE(usat(r2, 7, Operand(lr)), "e6e7201e usat r2, #7, lr"); COMPARE(usat(r3, 31, Operand(r4, LSL, 31)), "e6ff3f94 usat r3, #31, r4, lsl #31"); COMPARE(usat(r8, 0, Operand(r5, ASR, 17)), "e6e088d5 usat r8, #0, r5, asr #17"); COMPARE(smmla(r0, r1, r2, r3), "e7503211 smmla r0, r1, r2, r3"); COMPARE(smmla(r10, r9, r8, r7), "e75a7819 smmla r10, r9, r8, r7"); COMPARE(smmul(r0, r1, r2), "e750f211 smmul r0, r1, r2"); COMPARE(smmul(r8, r9, r10), "e758fa19 smmul r8, r9, r10"); VERIFY_RUN(); } TEST(msr_mrs_disasm) { SET_UP(); SRegisterFieldMask CPSR_all = CPSR_f | CPSR_s | CPSR_x | CPSR_c; SRegisterFieldMask SPSR_all = SPSR_f | SPSR_s | SPSR_x | SPSR_c; COMPARE(msr(CPSR_f, Operand(r0)), "e128f000 msr CPSR_f, r0"); COMPARE(msr(CPSR_s, Operand(r1)), "e124f001 msr CPSR_s, r1"); COMPARE(msr(CPSR_x, Operand(r2)), "e122f002 msr CPSR_x, r2"); COMPARE(msr(CPSR_c, Operand(r3)), "e121f003 msr CPSR_c, r3"); COMPARE(msr(CPSR_all, Operand(ip)), "e12ff00c msr CPSR_fsxc, ip"); COMPARE(msr(SPSR_f, Operand(r0)), "e168f000 msr SPSR_f, r0"); COMPARE(msr(SPSR_s, Operand(r1)), "e164f001 msr SPSR_s, r1"); COMPARE(msr(SPSR_x, Operand(r2)), "e162f002 msr SPSR_x, r2"); COMPARE(msr(SPSR_c, Operand(r3)), "e161f003 msr SPSR_c, r3"); COMPARE(msr(SPSR_all, Operand(ip)), "e16ff00c msr SPSR_fsxc, ip"); COMPARE(msr(CPSR_f, Operand(r0), eq), "0128f000 msreq CPSR_f, r0"); COMPARE(msr(CPSR_s, Operand(r1), ne), "1124f001 msrne CPSR_s, r1"); COMPARE(msr(CPSR_x, Operand(r2), cs), "2122f002 msrcs CPSR_x, r2"); COMPARE(msr(CPSR_c, Operand(r3), cc), "3121f003 msrcc CPSR_c, r3"); COMPARE(msr(CPSR_all, Operand(ip), mi), "412ff00c msrmi CPSR_fsxc, ip"); COMPARE(msr(SPSR_f, Operand(r0), pl), "5168f000 msrpl SPSR_f, r0"); COMPARE(msr(SPSR_s, Operand(r1), vs), "6164f001 msrvs SPSR_s, r1"); COMPARE(msr(SPSR_x, Operand(r2), vc), "7162f002 msrvc SPSR_x, r2"); COMPARE(msr(SPSR_c, Operand(r3), hi), "8161f003 msrhi SPSR_c, r3"); COMPARE(msr(SPSR_all, Operand(ip), ls), "916ff00c msrls SPSR_fsxc, ip"); // Other combinations of mask bits. COMPARE(msr(CPSR_s | CPSR_x, Operand(r4)), "e126f004 msr CPSR_sx, r4"); COMPARE(msr(SPSR_s | SPSR_x | SPSR_c, Operand(r5)), "e167f005 msr SPSR_sxc, r5"); COMPARE(msr(SPSR_s | SPSR_c, Operand(r6)), "e165f006 msr SPSR_sc, r6"); COMPARE(msr(SPSR_f | SPSR_c, Operand(r7)), "e169f007 msr SPSR_fc, r7"); // MSR with no mask is UNPREDICTABLE, and checked by the assembler, but check // that the disassembler does something sensible. COMPARE(dd(0xE120F008), "e120f008 msr CPSR_(none), r8"); COMPARE(mrs(r0, CPSR), "e10f0000 mrs r0, CPSR"); COMPARE(mrs(r1, SPSR), "e14f1000 mrs r1, SPSR"); COMPARE(mrs(r2, CPSR, ge), "a10f2000 mrsge r2, CPSR"); COMPARE(mrs(r3, SPSR, lt), "b14f3000 mrslt r3, SPSR"); VERIFY_RUN(); } TEST(Vfp) { SET_UP(); if (CpuFeatures::IsSupported(VFPv3)) { CpuFeatureScope scope(&assm, VFPv3); COMPARE(vmov(d0, r2, r3), "ec432b10 vmov d0, r2, r3"); COMPARE(vmov(r2, r3, d0), "ec532b10 vmov r2, r3, d0"); COMPARE(vmov(r4, ip, d1), "ec5c4b11 vmov r4, ip, d1"); COMPARE(vmov(d0, d1), "eeb00b41 vmov.f64 d0, d1"); COMPARE(vmov(d3, d3, eq), "0eb03b43 vmoveq.f64 d3, d3"); COMPARE(vmov(s0, s31), "eeb00a6f vmov.f32 s0, s31"); COMPARE(vmov(s31, s0), "eef0fa40 vmov.f32 s31, s0"); COMPARE(vmov(r0, s0), "ee100a10 vmov r0, s0"); COMPARE(vmov(r10, s31), "ee1faa90 vmov r10, s31"); COMPARE(vmov(s0, r0), "ee000a10 vmov s0, r0"); COMPARE(vmov(s31, r10), "ee0faa90 vmov s31, r10"); COMPARE(vabs(d0, d1), "eeb00bc1 vabs.f64 d0, d1"); COMPARE(vabs(d3, d4, mi), "4eb03bc4 vabsmi.f64 d3, d4"); COMPARE(vabs(s0, s1), "eeb00ae0 vabs.f32 s0, s1"); COMPARE(vabs(s3, s4, mi), "4ef01ac2 vabsmi.f32 s3, s4"); COMPARE(vneg(d0, d1), "eeb10b41 vneg.f64 d0, d1"); COMPARE(vneg(d3, d4, mi), "4eb13b44 vnegmi.f64 d3, d4"); COMPARE(vneg(s0, s1), "eeb10a60 vneg.f32 s0, s1"); COMPARE(vneg(s3, s4, mi), "4ef11a42 vnegmi.f32 s3, s4"); COMPARE(vadd(d0, d1, d2), "ee310b02 vadd.f64 d0, d1, d2"); COMPARE(vadd(d3, d4, d5, mi), "4e343b05 vaddmi.f64 d3, d4, d5"); COMPARE(vadd(s0, s1, s2), "ee300a81 vadd.f32 s0, s1, s2"); COMPARE(vadd(s3, s4, s5, mi), "4e721a22 vaddmi.f32 s3, s4, s5"); COMPARE(vsub(d0, d1, d2), "ee310b42 vsub.f64 d0, d1, d2"); COMPARE(vsub(d3, d4, d5, ne), "1e343b45 vsubne.f64 d3, d4, d5"); COMPARE(vsub(s0, s1, s2), "ee300ac1 vsub.f32 s0, s1, s2"); COMPARE(vsub(s3, s4, s5, ne), "1e721a62 vsubne.f32 s3, s4, s5"); COMPARE(vmul(d2, d1, d0), "ee212b00 vmul.f64 d2, d1, d0"); COMPARE(vmul(d6, d4, d5, cc), "3e246b05 vmulcc.f64 d6, d4, d5"); COMPARE(vmul(s2, s1, s0), "ee201a80 vmul.f32 s2, s1, s0"); COMPARE(vmul(s6, s4, s5, cc), "3e223a22 vmulcc.f32 s6, s4, s5"); COMPARE(vdiv(d2, d2, d2), "ee822b02 vdiv.f64 d2, d2, d2"); COMPARE(vdiv(d6, d7, d7, hi), "8e876b07 vdivhi.f64 d6, d7, d7"); COMPARE(vdiv(s2, s2, s2), "ee811a01 vdiv.f32 s2, s2, s2"); COMPARE(vdiv(s6, s7, s7, hi), "8e833aa3 vdivhi.f32 s6, s7, s7"); COMPARE(vcmp(d0, d1), "eeb40b41 vcmp.f64 d0, d1"); COMPARE(vcmp(d0, 0.0), "eeb50b40 vcmp.f64 d0, #0.0"); COMPARE(vcmp(s0, s1), "eeb40a60 vcmp.f32 s0, s1"); COMPARE(vcmp(s0, 0.0f), "eeb50a40 vcmp.f32 s0, #0.0"); COMPARE(vsqrt(d0, d0), "eeb10bc0 vsqrt.f64 d0, d0"); COMPARE(vsqrt(d2, d3, ne), "1eb12bc3 vsqrtne.f64 d2, d3"); COMPARE(vsqrt(s0, s0), "eeb10ac0 vsqrt.f32 s0, s0"); COMPARE(vsqrt(s2, s3, ne), "1eb11ae1 vsqrtne.f32 s2, s3"); COMPARE(vmov(d0, Double(1.0)), "eeb70b00 vmov.f64 d0, #1"); COMPARE(vmov(d2, Double(-13.0)), "eeba2b0a vmov.f64 d2, #-13"); COMPARE(vmov(s1, Float32(-1.0f)), "eeff0a00 vmov.f32 s1, #-1"); COMPARE(vmov(s3, Float32(13.0f)), "eef21a0a vmov.f32 s3, #13"); COMPARE(vmov(d0, VmovIndexLo, r0), "ee000b10 vmov.32 d0[0], r0"); COMPARE(vmov(d0, VmovIndexHi, r0), "ee200b10 vmov.32 d0[1], r0"); COMPARE(vmov(r2, VmovIndexLo, d15), "ee1f2b10 vmov.32 r2, d15[0]"); COMPARE(vmov(r3, VmovIndexHi, d14), "ee3e3b10 vmov.32 r3, d14[1]"); COMPARE(vldr(s0, r0, 0), "ed900a00 vldr s0, [r0 + 4*0]"); COMPARE(vldr(s1, r1, 4), "edd10a01 vldr s1, [r1 + 4*1]"); COMPARE(vldr(s15, r4, 16), "edd47a04 vldr s15, [r4 + 4*4]"); COMPARE(vldr(s16, r5, 20), "ed958a05 vldr s16, [r5 + 4*5]"); COMPARE(vldr(s31, r10, 1020), "eddafaff vldr s31, [r10 + 4*255]"); COMPARE(vldr(s31, ip, 1020), "eddcfaff vldr s31, [ip + 4*255]"); COMPARE(vstr(s0, r0, 0), "ed800a00 vstr s0, [r0 + 4*0]"); COMPARE(vstr(s1, r1, 4), "edc10a01 vstr s1, [r1 + 4*1]"); COMPARE(vstr(s15, r8, 8), "edc87a02 vstr s15, [r8 + 4*2]"); COMPARE(vstr(s16, r9, 12), "ed898a03 vstr s16, [r9 + 4*3]"); COMPARE(vstr(s31, r10, 1020), "edcafaff vstr s31, [r10 + 4*255]"); COMPARE(vldr(d0, r0, 0), "ed900b00 vldr d0, [r0 + 4*0]"); COMPARE(vldr(d1, r1, 4), "ed911b01 vldr d1, [r1 + 4*1]"); COMPARE(vldr(d15, r10, 1020), "ed9afbff vldr d15, [r10 + 4*255]"); COMPARE(vstr(d0, r0, 0), "ed800b00 vstr d0, [r0 + 4*0]"); COMPARE(vstr(d1, r1, 4), "ed811b01 vstr d1, [r1 + 4*1]"); COMPARE(vstr(d15, r10, 1020), "ed8afbff vstr d15, [r10 + 4*255]"); COMPARE(vmsr(r5), "eee15a10 vmsr FPSCR, r5"); COMPARE(vmsr(r10, pl), "5ee1aa10 vmsrpl FPSCR, r10"); COMPARE(vmsr(pc), "eee1fa10 vmsr FPSCR, APSR"); COMPARE(vmrs(r5), "eef15a10 vmrs r5, FPSCR"); COMPARE(vmrs(r10, ge), "aef1aa10 vmrsge r10, FPSCR"); COMPARE(vmrs(pc), "eef1fa10 vmrs APSR, FPSCR"); COMPARE(vstm(ia, r0, d1, d3), "ec801b06 vstmia r0, {d1-d3}"); COMPARE(vldm(ia, r1, d2, d5), "ec912b08 vldmia r1, {d2-d5}"); COMPARE(vstm(ia, r2, d0, d15), "ec820b20 vstmia r2, {d0-d15}"); COMPARE(vldm(ia, r3, d0, d15), "ec930b20 vldmia r3, {d0-d15}"); COMPARE(vstm(ia, r4, s1, s3), "ecc40a03 vstmia r4, {s1-s3}"); COMPARE(vldm(ia, r5, s2, s5), "ec951a04 vldmia r5, {s2-s5}"); COMPARE(vstm(ia, r6, s0, s31), "ec860a20 vstmia r6, {s0-s31}"); COMPARE(vldm(ia, r7, s0, s31), "ec970a20 vldmia r7, {s0-s31}"); COMPARE(vmla(d2, d1, d0), "ee012b00 vmla.f64 d2, d1, d0"); COMPARE(vmla(d6, d4, d5, cc), "3e046b05 vmlacc.f64 d6, d4, d5"); COMPARE(vmla(s2, s1, s0), "ee001a80 vmla.f32 s2, s1, s0"); COMPARE(vmla(s6, s4, s5, cc), "3e023a22 vmlacc.f32 s6, s4, s5"); COMPARE(vmls(d2, d1, d0), "ee012b40 vmls.f64 d2, d1, d0"); COMPARE(vmls(d6, d4, d5, cc), "3e046b45 vmlscc.f64 d6, d4, d5"); COMPARE(vmls(s2, s1, s0), "ee001ac0 vmls.f32 s2, s1, s0"); COMPARE(vmls(s6, s4, s5, cc), "3e023a62 vmlscc.f32 s6, s4, s5"); COMPARE(vcvt_f32_f64(s31, d15), "eef7fbcf vcvt.f32.f64 s31, d15"); COMPARE(vcvt_f32_s32(s30, s29), "eeb8faee vcvt.f32.s32 s30, s29"); COMPARE(vcvt_f64_f32(d14, s28), "eeb7eace vcvt.f64.f32 d14, s28"); COMPARE(vcvt_f64_s32(d13, s27), "eeb8dbed vcvt.f64.s32 d13, s27"); COMPARE(vcvt_f64_u32(d12, s26), "eeb8cb4d vcvt.f64.u32 d12, s26"); COMPARE(vcvt_s32_f32(s25, s24), "eefdcacc vcvt.s32.f32 s25, s24"); COMPARE(vcvt_s32_f64(s23, d11), "eefdbbcb vcvt.s32.f64 s23, d11"); COMPARE(vcvt_u32_f32(s22, s21), "eebcbaea vcvt.u32.f32 s22, s21"); COMPARE(vcvt_u32_f64(s20, d10), "eebcabca vcvt.u32.f64 s20, d10"); COMPARE(vcvt_f64_s32(d9, 2), "eeba9bcf vcvt.f64.s32 d9, d9, #2"); if (CpuFeatures::IsSupported(VFP32DREGS)) { CpuFeatureScope scope(&assm, VFP32DREGS); COMPARE(vmov(d3, d27), "eeb03b6b vmov.f64 d3, d27"); COMPARE(vmov(d18, d7), "eef02b47 vmov.f64 d18, d7"); COMPARE(vmov(d18, r2, r3), "ec432b32 vmov d18, r2, r3"); COMPARE(vmov(r2, r3, d18), "ec532b32 vmov r2, r3, d18"); COMPARE(vmov(d20, d31), "eef04b6f vmov.f64 d20, d31"); COMPARE(vabs(d16, d31), "eef00bef vabs.f64 d16, d31"); COMPARE(vneg(d16, d31), "eef10b6f vneg.f64 d16, d31"); COMPARE(vadd(d16, d17, d18), "ee710ba2 vadd.f64 d16, d17, d18"); COMPARE(vsub(d16, d17, d18), "ee710be2 vsub.f64 d16, d17, d18"); COMPARE(vmul(d16, d17, d18), "ee610ba2 vmul.f64 d16, d17, d18"); COMPARE(vdiv(d16, d17, d18), "eec10ba2 vdiv.f64 d16, d17, d18"); COMPARE(vcmp(d16, d17), "eef40b61 vcmp.f64 d16, d17"); COMPARE(vcmp(d16, 0.0), "eef50b40 vcmp.f64 d16, #0.0"); COMPARE(vsqrt(d16, d17), "eef10be1 vsqrt.f64 d16, d17"); COMPARE(vmov(d30, Double(16.0)), "eef3eb00 vmov.f64 d30, #16"); COMPARE(vmov(d31, VmovIndexLo, r7), "ee0f7b90 vmov.32 d31[0], r7"); COMPARE(vmov(d31, VmovIndexHi, r7), "ee2f7b90 vmov.32 d31[1], r7"); COMPARE(vldr(d25, r0, 0), "edd09b00 vldr d25, [r0 + 4*0]"); COMPARE(vldr(d26, r1, 4), "edd1ab01 vldr d26, [r1 + 4*1]"); COMPARE(vldr(d31, r10, 1020), "eddafbff vldr d31, [r10 + 4*255]"); COMPARE(vstr(d16, r0, 0), "edc00b00 vstr d16, [r0 + 4*0]"); COMPARE(vstr(d17, r1, 4), "edc11b01 vstr d17, [r1 + 4*1]"); COMPARE(vstr(d31, r10, 1020), "edcafbff vstr d31, [r10 + 4*255]"); COMPARE(vstm(ia, r0, d16, d31), "ecc00b20 vstmia r0, {d16-d31}"); COMPARE(vldm(ia, r3, d16, d31), "ecd30b20 vldmia r3, {d16-d31}"); COMPARE(vstm(ia, r0, d23, d27), "ecc07b0a vstmia r0, {d23-d27}"); COMPARE(vldm(ia, r3, d23, d27), "ecd37b0a vldmia r3, {d23-d27}"); COMPARE(vmla(d16, d17, d18), "ee410ba2 vmla.f64 d16, d17, d18"); COMPARE(vcvt_f32_f64(s0, d31), "eeb70bef vcvt.f32.f64 s0, d31"); COMPARE(vcvt_f32_s32(s1, s2), "eef80ac1 vcvt.f32.s32 s1, s2"); COMPARE(vcvt_f64_f32(d30, s3), "eef7eae1 vcvt.f64.f32 d30, s3"); COMPARE(vcvt_f64_s32(d29, s4), "eef8dbc2 vcvt.f64.s32 d29, s4"); COMPARE(vcvt_f64_u32(d28, s5), "eef8cb62 vcvt.f64.u32 d28, s5"); COMPARE(vcvt_s32_f32(s6, s7), "eebd3ae3 vcvt.s32.f32 s6, s7"); COMPARE(vcvt_s32_f64(s8, d27), "eebd4beb vcvt.s32.f64 s8, d27"); COMPARE(vcvt_u32_f32(s9, s10), "eefc4ac5 vcvt.u32.f32 s9, s10"); COMPARE(vcvt_u32_f64(s11, d26), "eefc5bea vcvt.u32.f64 s11, d26"); COMPARE(vcvt_f64_s32(d25, 2), "eefa9bcf vcvt.f64.s32 d25, d25, #2"); } } VERIFY_RUN(); } TEST(ARMv8_vrintX_disasm) { SET_UP(); if (CpuFeatures::IsSupported(ARMv8)) { CpuFeatureScope scope(&assm, ARMv8); COMPARE(vrinta(d0, d0), "feb80b40 vrinta.f64.f64 d0, d0"); COMPARE(vrinta(d2, d3), "feb82b43 vrinta.f64.f64 d2, d3"); COMPARE(vrintp(d0, d0), "feba0b40 vrintp.f64.f64 d0, d0"); COMPARE(vrintp(d2, d3), "feba2b43 vrintp.f64.f64 d2, d3"); COMPARE(vrintn(d0, d0), "feb90b40 vrintn.f64.f64 d0, d0"); COMPARE(vrintn(d2, d3), "feb92b43 vrintn.f64.f64 d2, d3"); COMPARE(vrintm(d0, d0), "febb0b40 vrintm.f64.f64 d0, d0"); COMPARE(vrintm(d2, d3), "febb2b43 vrintm.f64.f64 d2, d3"); COMPARE(vrintz(d0, d0), "eeb60bc0 vrintz.f64.f64 d0, d0"); COMPARE(vrintz(d2, d3, ne), "1eb62bc3 vrintzne.f64.f64 d2, d3"); } VERIFY_RUN(); } TEST(ARMv8_vminmax_disasm) { SET_UP(); if (CpuFeatures::IsSupported(ARMv8)) { CpuFeatureScope scope(&assm, ARMv8); COMPARE(vmaxnm(d0, d1, d2), "fe810b02 vmaxnm.f64 d0, d1, d2"); COMPARE(vminnm(d3, d4, d5), "fe843b45 vminnm.f64 d3, d4, d5"); COMPARE(vmaxnm(s6, s7, s8), "fe833a84 vmaxnm.f32 s6, s7, s8"); COMPARE(vminnm(s9, s10, s11), "fec54a65 vminnm.f32 s9, s10, s11"); } VERIFY_RUN(); } TEST(ARMv8_vselX_disasm) { SET_UP(); if (CpuFeatures::IsSupported(ARMv8)) { CpuFeatureScope scope(&assm, ARMv8); // Native instructions. COMPARE(vsel(eq, d0, d1, d2), "fe010b02 vseleq.f64 d0, d1, d2"); COMPARE(vsel(eq, s0, s1, s2), "fe000a81 vseleq.f32 s0, s1, s2"); COMPARE(vsel(ge, d0, d1, d2), "fe210b02 vselge.f64 d0, d1, d2"); COMPARE(vsel(ge, s0, s1, s2), "fe200a81 vselge.f32 s0, s1, s2"); COMPARE(vsel(gt, d0, d1, d2), "fe310b02 vselgt.f64 d0, d1, d2"); COMPARE(vsel(gt, s0, s1, s2), "fe300a81 vselgt.f32 s0, s1, s2"); COMPARE(vsel(vs, d0, d1, d2), "fe110b02 vselvs.f64 d0, d1, d2"); COMPARE(vsel(vs, s0, s1, s2), "fe100a81 vselvs.f32 s0, s1, s2"); // Inverted conditions (and swapped inputs). COMPARE(vsel(ne, d0, d1, d2), "fe020b01 vseleq.f64 d0, d2, d1"); COMPARE(vsel(ne, s0, s1, s2), "fe010a20 vseleq.f32 s0, s2, s1"); COMPARE(vsel(lt, d0, d1, d2), "fe220b01 vselge.f64 d0, d2, d1"); COMPARE(vsel(lt, s0, s1, s2), "fe210a20 vselge.f32 s0, s2, s1"); COMPARE(vsel(le, d0, d1, d2), "fe320b01 vselgt.f64 d0, d2, d1"); COMPARE(vsel(le, s0, s1, s2), "fe310a20 vselgt.f32 s0, s2, s1"); COMPARE(vsel(vc, d0, d1, d2), "fe120b01 vselvs.f64 d0, d2, d1"); COMPARE(vsel(vc, s0, s1, s2), "fe110a20 vselvs.f32 s0, s2, s1"); } VERIFY_RUN(); } TEST(Neon) { SET_UP(); if (CpuFeatures::IsSupported(NEON)) { CpuFeatureScope scope(&assm, NEON); COMPARE(vld1(Neon8, NeonListOperand(d4, 4), NeonMemOperand(r1)), "f421420f vld1.8 {d4, d5, d6, d7}, [r1]"); COMPARE(vst1(Neon16, NeonListOperand(d17, 4), NeonMemOperand(r9)), "f449124f vst1.16 {d17, d18, d19, d20}, [r9]"); COMPARE(vmovl(NeonU8, q3, d1), "f3886a11 vmovl.u8 q3, d1"); COMPARE(vmovl(NeonU8, q4, d2), "f3888a12 vmovl.u8 q4, d2"); COMPARE(vmovl(NeonS16, q4, d2), "f2908a12 vmovl.s16 q4, d2"); COMPARE(vmovl(NeonU32, q4, d2), "f3a08a12 vmovl.u32 q4, d2"); COMPARE(vqmovn(NeonU8, d16, q8), "f3f202e0 vqmovn.u16 d16, q8"); COMPARE(vqmovn(NeonS16, d16, q8), "f3f602a0 vqmovn.s32 d16, q8"); COMPARE(vqmovn(NeonU32, d2, q4), "f3ba22c8 vqmovn.u64 d2, q4"); COMPARE(vmov(NeonS8, d0, 0, r0), "ee400b10 vmov.8 d0[0], r0"); COMPARE(vmov(NeonU8, d1, 1, r1), "ee411b30 vmov.8 d1[1], r1"); COMPARE(vmov(NeonS8, d2, 2, r2), "ee422b50 vmov.8 d2[2], r2"); COMPARE(vmov(NeonU8, d3, 3, r8), "ee438b70 vmov.8 d3[3], r8"); COMPARE(vmov(NeonU8, d3, 3, ip), "ee43cb70 vmov.8 d3[3], ip"); COMPARE(vmov(NeonS8, d4, 4, r0), "ee640b10 vmov.8 d4[4], r0"); COMPARE(vmov(NeonU8, d5, 5, r1), "ee651b30 vmov.8 d5[5], r1"); COMPARE(vmov(NeonS8, d6, 6, r2), "ee662b50 vmov.8 d6[6], r2"); COMPARE(vmov(NeonU8, d7, 7, r8), "ee678b70 vmov.8 d7[7], r8"); COMPARE(vmov(NeonS16, d0, 0, r0), "ee000b30 vmov.16 d0[0], r0"); COMPARE(vmov(NeonS16, d1, 1, r1), "ee011b70 vmov.16 d1[1], r1"); COMPARE(vmov(NeonS16, d2, 2, r2), "ee222b30 vmov.16 d2[2], r2"); COMPARE(vmov(NeonS16, d3, 3, r7), "ee237b70 vmov.16 d3[3], r7"); COMPARE(vmov(NeonS16, d3, 3, ip), "ee23cb70 vmov.16 d3[3], ip"); COMPARE(vmov(NeonS32, d0, 0, r0), "ee000b10 vmov.32 d0[0], r0"); COMPARE(vmov(NeonU32, d0, 1, r0), "ee200b10 vmov.32 d0[1], r0"); COMPARE(vmov(NeonS8, r0, d0, 0), "ee500b10 vmov.s8 r0, d0[0]"); COMPARE(vmov(NeonU8, r1, d1, 1), "eed11b30 vmov.u8 r1, d1[1]"); COMPARE(vmov(NeonS8, r2, d2, 2), "ee522b50 vmov.s8 r2, d2[2]"); COMPARE(vmov(NeonU8, r8, d3, 3), "eed38b70 vmov.u8 r8, d3[3]"); COMPARE(vmov(NeonS8, r0, d4, 4), "ee740b10 vmov.s8 r0, d4[4]"); COMPARE(vmov(NeonU8, r1, d5, 5), "eef51b30 vmov.u8 r1, d5[5]"); COMPARE(vmov(NeonS8, r2, d6, 6), "ee762b50 vmov.s8 r2, d6[6]"); COMPARE(vmov(NeonU8, r8, d7, 7), "eef78b70 vmov.u8 r8, d7[7]"); COMPARE(vmov(NeonU8, ip, d7, 7), "eef7cb70 vmov.u8 ip, d7[7]"); COMPARE(vmov(NeonS16, r0, d0, 0), "ee100b30 vmov.s16 r0, d0[0]"); COMPARE(vmov(NeonU16, r1, d1, 1), "ee911b70 vmov.u16 r1, d1[1]"); COMPARE(vmov(NeonS16, r2, d2, 2), "ee322b30 vmov.s16 r2, d2[2]"); COMPARE(vmov(NeonU16, r7, d3, 3), "eeb37b70 vmov.u16 r7, d3[3]"); COMPARE(vmov(NeonS32, r2, d15, 0), "ee1f2b10 vmov.32 r2, d15[0]"); COMPARE(vmov(NeonS32, r3, d14, 1), "ee3e3b10 vmov.32 r3, d14[1]"); COMPARE(vmov(q0, q15), "f22e01fe vmov q0, q15"); COMPARE(vmov(q8, q9), "f26201f2 vmov q8, q9"); COMPARE(vmvn(q0, q15), "f3b005ee vmvn q0, q15"); COMPARE(vmvn(q8, q9), "f3f005e2 vmvn q8, q9"); COMPARE(vswp(d0, d31), "f3b2002f vswp d0, d31"); COMPARE(vswp(d16, d14), "f3f2000e vswp d16, d14"); COMPARE(vswp(q0, q15), "f3b2006e vswp q0, q15"); COMPARE(vswp(q8, q9), "f3f20062 vswp q8, q9"); COMPARE(vdup(Neon8, q0, r0), "eee00b10 vdup.8 q0, r0"); COMPARE(vdup(Neon16, q1, r4), "eea24b30 vdup.16 q1, r4"); COMPARE(vdup(Neon32, q15, r1), "eeae1b90 vdup.32 q15, r1"); COMPARE(vdup(Neon32, q0, d1, 1), "f3bc0c41 vdup.32 q0, d1[1]"); COMPARE(vdup(Neon32, q15, d1, 0), "f3f4ec41 vdup.32 q15, d1[0]"); COMPARE(vdup(Neon16, q7, d8, 3), "f3beec48 vdup.16 q7, d8[3]"); COMPARE(vdup(Neon32, d0, d30, 0), "f3b40c2e vdup.32 d0, d30[0]"); COMPARE(vcvt_f32_s32(q15, q1), "f3fbe642 vcvt.f32.s32 q15, q1"); COMPARE(vcvt_f32_u32(q8, q9), "f3fb06e2 vcvt.f32.u32 q8, q9"); COMPARE(vcvt_s32_f32(q15, q1), "f3fbe742 vcvt.s32.f32 q15, q1"); COMPARE(vcvt_u32_f32(q8, q9), "f3fb07e2 vcvt.u32.f32 q8, q9"); COMPARE(vabs(q0, q1), "f3b90742 vabs.f32 q0, q1"); COMPARE(vabs(Neon8, q6, q7), "f3b1c34e vabs.s8 q6, q7"); COMPARE(vabs(Neon16, q0, q1), "f3b50342 vabs.s16 q0, q1"); COMPARE(vabs(Neon32, q0, q1), "f3b90342 vabs.s32 q0, q1"); COMPARE(vneg(q0, q1), "f3b907c2 vneg.f32 q0, q1"); COMPARE(vneg(Neon8, q6, q7), "f3b1c3ce vneg.s8 q6, q7"); COMPARE(vneg(Neon16, q0, q1), "f3b503c2 vneg.s16 q0, q1"); COMPARE(vneg(Neon32, q0, q1), "f3b903c2 vneg.s32 q0, q1"); COMPARE(veor(d0, d1, d2), "f3010112 veor d0, d1, d2"); COMPARE(veor(d0, d30, d31), "f30e01bf veor d0, d30, d31"); COMPARE(veor(q0, q1, q2), "f3020154 veor q0, q1, q2"); COMPARE(veor(q15, q0, q8), "f340e170 veor q15, q0, q8"); COMPARE(vand(q15, q0, q8), "f240e170 vand q15, q0, q8"); COMPARE(vorr(q15, q0, q8), "f260e170 vorr q15, q0, q8"); COMPARE(vmin(q15, q0, q8), "f260ef60 vmin.f32 q15, q0, q8"); COMPARE(vmax(q15, q0, q8), "f240ef60 vmax.f32 q15, q0, q8"); COMPARE(vmax(NeonS8, q0, q1, q2), "f2020644 vmax.s8 q0, q1, q2"); COMPARE(vmin(NeonU16, q1, q2, q8), "f3142670 vmin.u16 q1, q2, q8"); COMPARE(vmax(NeonS32, q15, q0, q8), "f260e660 vmax.s32 q15, q0, q8"); COMPARE(vpadd(d0, d1, d2), "f3010d02 vpadd.f32 d0, d1, d2"); COMPARE(vpadd(Neon8, d0, d1, d2), "f2010b12 vpadd.i8 d0, d1, d2"); COMPARE(vpadd(Neon16, d0, d1, d2), "f2110b12 vpadd.i16 d0, d1, d2"); COMPARE(vpadd(Neon32, d0, d1, d2), "f2210b12 vpadd.i32 d0, d1, d2"); COMPARE(vpmax(NeonS8, d0, d1, d2), "f2010a02 vpmax.s8 d0, d1, d2"); COMPARE(vpmin(NeonU16, d1, d2, d8), "f3121a18 vpmin.u16 d1, d2, d8"); COMPARE(vpmax(NeonS32, d15, d0, d8), "f220fa08 vpmax.s32 d15, d0, d8"); COMPARE(vadd(q15, q0, q8), "f240ed60 vadd.f32 q15, q0, q8"); COMPARE(vadd(Neon8, q0, q1, q2), "f2020844 vadd.i8 q0, q1, q2"); COMPARE(vadd(Neon16, q1, q2, q8), "f2142860 vadd.i16 q1, q2, q8"); COMPARE(vadd(Neon32, q15, q0, q8), "f260e860 vadd.i32 q15, q0, q8"); COMPARE(vqadd(NeonU8, q0, q1, q2), "f3020054 vqadd.u8 q0, q1, q2"); COMPARE(vqadd(NeonS16, q1, q2, q8), "f2142070 vqadd.s16 q1, q2, q8"); COMPARE(vqadd(NeonU32, q15, q0, q8), "f360e070 vqadd.u32 q15, q0, q8"); COMPARE(vsub(q15, q0, q8), "f260ed60 vsub.f32 q15, q0, q8"); COMPARE(vsub(Neon8, q0, q1, q2), "f3020844 vsub.i8 q0, q1, q2"); COMPARE(vsub(Neon16, q1, q2, q8), "f3142860 vsub.i16 q1, q2, q8"); COMPARE(vsub(Neon32, q15, q0, q8), "f360e860 vsub.i32 q15, q0, q8"); COMPARE(vqsub(NeonU8, q0, q1, q2), "f3020254 vqsub.u8 q0, q1, q2"); COMPARE(vqsub(NeonS16, q1, q2, q8), "f2142270 vqsub.s16 q1, q2, q8"); COMPARE(vqsub(NeonU32, q15, q0, q8), "f360e270 vqsub.u32 q15, q0, q8"); COMPARE(vmul(q0, q1, q2), "f3020d54 vmul.f32 q0, q1, q2"); COMPARE(vmul(Neon8, q0, q1, q2), "f2020954 vmul.i8 q0, q1, q2"); COMPARE(vmul(Neon16, q1, q2, q8), "f2142970 vmul.i16 q1, q2, q8"); COMPARE(vmul(Neon32, q15, q0, q8), "f260e970 vmul.i32 q15, q0, q8"); COMPARE(vshl(NeonS8, q15, q0, 6), "f2cee550 vshl.i8 q15, q0, #6"); COMPARE(vshl(NeonU16, q15, q0, 10), "f2dae550 vshl.i16 q15, q0, #10"); COMPARE(vshl(NeonS32, q15, q0, 17), "f2f1e550 vshl.i32 q15, q0, #17"); COMPARE(vshr(NeonS8, q15, q0, 6), "f2cae050 vshr.s8 q15, q0, #6"); COMPARE(vshr(NeonU16, q15, q0, 10), "f3d6e050 vshr.u16 q15, q0, #10"); COMPARE(vshr(NeonS32, q15, q0, 17), "f2efe050 vshr.s32 q15, q0, #17"); COMPARE(vsli(Neon64, d2, d0, 32), "f3a02590 vsli.64 d2, d0, #32"); COMPARE(vsli(Neon32, d7, d8, 17), "f3b17518 vsli.32 d7, d8, #17"); COMPARE(vsri(Neon64, d2, d0, 32), "f3a02490 vsri.64 d2, d0, #32"); COMPARE(vsri(Neon16, d7, d8, 8), "f3987418 vsri.16 d7, d8, #8"); COMPARE(vrecpe(q15, q0), "f3fbe540 vrecpe.f32 q15, q0"); COMPARE(vrecps(q15, q0, q8), "f240ef70 vrecps.f32 q15, q0, q8"); COMPARE(vrsqrte(q15, q0), "f3fbe5c0 vrsqrte.f32 q15, q0"); COMPARE(vrsqrts(q15, q0, q8), "f260ef70 vrsqrts.f32 q15, q0, q8"); COMPARE(vtst(Neon8, q0, q1, q2), "f2020854 vtst.i8 q0, q1, q2"); COMPARE(vtst(Neon16, q1, q2, q8), "f2142870 vtst.i16 q1, q2, q8"); COMPARE(vtst(Neon32, q15, q0, q8), "f260e870 vtst.i32 q15, q0, q8"); COMPARE(vceq(q0, q1, q2), "f2020e44 vceq.f32 q0, q1, q2"); COMPARE(vcge(q0, q1, q2), "f3020e44 vcge.f32 q0, q1, q2"); COMPARE(vcgt(q0, q1, q2), "f3220e44 vcgt.f32 q0, q1, q2"); COMPARE(vceq(Neon8, q0, q1, q2), "f3020854 vceq.i8 q0, q1, q2"); COMPARE(vceq(Neon16, q1, q2, q8), "f3142870 vceq.i16 q1, q2, q8"); COMPARE(vceq(Neon32, q15, q0, q8), "f360e870 vceq.i32 q15, q0, q8"); COMPARE(vcge(NeonS8, q0, q1, q2), "f2020354 vcge.s8 q0, q1, q2"); COMPARE(vcge(NeonU16, q1, q2, q8), "f3142370 vcge.u16 q1, q2, q8"); COMPARE(vcge(NeonS32, q15, q0, q8), "f260e370 vcge.s32 q15, q0, q8"); COMPARE(vcgt(NeonS8, q0, q1, q2), "f2020344 vcgt.s8 q0, q1, q2"); COMPARE(vcgt(NeonU16, q1, q2, q8), "f3142360 vcgt.u16 q1, q2, q8"); COMPARE(vcgt(NeonS32, q15, q0, q8), "f260e360 vcgt.s32 q15, q0, q8"); COMPARE(vbsl(q0, q1, q2), "f3120154 vbsl q0, q1, q2"); COMPARE(vbsl(q15, q0, q8), "f350e170 vbsl q15, q0, q8"); COMPARE(vext(q15, q0, q8, 3), "f2f0e360 vext.8 q15, q0, q8, #3"); COMPARE(vzip(Neon16, d15, d0), "f3b6f180 vzip.16 d15, d0"); COMPARE(vzip(Neon16, q15, q0), "f3f6e1c0 vzip.16 q15, q0"); COMPARE(vuzp(Neon16, d15, d0), "f3b6f100 vuzp.16 d15, d0"); COMPARE(vuzp(Neon16, q15, q0), "f3f6e140 vuzp.16 q15, q0"); COMPARE(vrev64(Neon8, q15, q0), "f3f0e040 vrev64.8 q15, q0"); COMPARE(vtrn(Neon16, d15, d0), "f3b6f080 vtrn.16 d15, d0"); COMPARE(vtrn(Neon16, q15, q0), "f3f6e0c0 vtrn.16 q15, q0"); COMPARE(vtbl(d0, NeonListOperand(d1, 1), d2), "f3b10802 vtbl.8 d0, {d1}, d2"); COMPARE(vtbl(d31, NeonListOperand(d0, 2), d4), "f3f0f904 vtbl.8 d31, {d0, d1}, d4"); COMPARE(vtbl(d15, NeonListOperand(d1, 3), d5), "f3b1fa05 vtbl.8 d15, {d1, d2, d3}, d5"); COMPARE(vtbl(d15, NeonListOperand(d1, 4), d5), "f3b1fb05 vtbl.8 d15, {d1, d2, d3, d4}, d5"); COMPARE(vtbx(d0, NeonListOperand(d1, 1), d2), "f3b10842 vtbx.8 d0, {d1}, d2"); COMPARE(vtbx(d31, NeonListOperand(d0, 2), d4), "f3f0f944 vtbx.8 d31, {d0, d1}, d4"); COMPARE(vtbx(d15, NeonListOperand(d1, 3), d5), "f3b1fa45 vtbx.8 d15, {d1, d2, d3}, d5"); COMPARE(vtbx(d15, NeonListOperand(d1, 4), d5), "f3b1fb45 vtbx.8 d15, {d1, d2, d3, d4}, d5"); } VERIFY_RUN(); } TEST(LoadStore) { SET_UP(); COMPARE(ldrb(r0, MemOperand(r1)), "e5d10000 ldrb r0, [r1, #+0]"); COMPARE(ldrb(r2, MemOperand(r3, 42)), "e5d3202a ldrb r2, [r3, #+42]"); COMPARE(ldrb(r4, MemOperand(r5, -42)), "e555402a ldrb r4, [r5, #-42]"); COMPARE(ldrb(r6, MemOperand(r7, 42, PostIndex)), "e4d7602a ldrb r6, [r7], #+42"); COMPARE(ldrb(r8, MemOperand(r9, -42, PostIndex)), "e459802a ldrb r8, [r9], #-42"); COMPARE(ldrb(r10, MemOperand(fp, 42, PreIndex)), "e5fba02a ldrb r10, [fp, #+42]!"); COMPARE(ldrb(ip, MemOperand(sp, -42, PreIndex)), "e57dc02a ldrb ip, [sp, #-42]!"); COMPARE(ldrb(r0, MemOperand(r1, r2)), "e7d10002 ldrb r0, [r1, +r2]"); COMPARE(ldrb(r0, MemOperand(r1, r2, NegOffset)), "e7510002 ldrb r0, [r1, -r2]"); COMPARE(ldrb(r0, MemOperand(r1, r2, PostIndex)), "e6d10002 ldrb r0, [r1], +r2"); COMPARE(ldrb(r0, MemOperand(r1, r2, NegPostIndex)), "e6510002 ldrb r0, [r1], -r2"); COMPARE(ldrb(r0, MemOperand(r1, r2, PreIndex)), "e7f10002 ldrb r0, [r1, +r2]!"); COMPARE(ldrb(r0, MemOperand(r1, r2, NegPreIndex)), "e7710002 ldrb r0, [r1, -r2]!"); COMPARE(strb(r0, MemOperand(r1)), "e5c10000 strb r0, [r1, #+0]"); COMPARE(strb(r2, MemOperand(r3, 42)), "e5c3202a strb r2, [r3, #+42]"); COMPARE(strb(r4, MemOperand(r5, -42)), "e545402a strb r4, [r5, #-42]"); COMPARE(strb(r6, MemOperand(r7, 42, PostIndex)), "e4c7602a strb r6, [r7], #+42"); COMPARE(strb(r8, MemOperand(r9, -42, PostIndex)), "e449802a strb r8, [r9], #-42"); COMPARE(strb(r10, MemOperand(fp, 42, PreIndex)), "e5eba02a strb r10, [fp, #+42]!"); COMPARE(strb(ip, MemOperand(sp, -42, PreIndex)), "e56dc02a strb ip, [sp, #-42]!"); COMPARE(strb(r0, MemOperand(r1, r2)), "e7c10002 strb r0, [r1, +r2]"); COMPARE(strb(r0, MemOperand(r1, r2, NegOffset)), "e7410002 strb r0, [r1, -r2]"); COMPARE(strb(r0, MemOperand(r1, r2, PostIndex)), "e6c10002 strb r0, [r1], +r2"); COMPARE(strb(r0, MemOperand(r1, r2, NegPostIndex)), "e6410002 strb r0, [r1], -r2"); COMPARE(strb(r0, MemOperand(r1, r2, PreIndex)), "e7e10002 strb r0, [r1, +r2]!"); COMPARE(strb(r0, MemOperand(r1, r2, NegPreIndex)), "e7610002 strb r0, [r1, -r2]!"); COMPARE(ldrh(r0, MemOperand(r1)), "e1d100b0 ldrh r0, [r1, #+0]"); COMPARE(ldrh(r2, MemOperand(r3, 42)), "e1d322ba ldrh r2, [r3, #+42]"); COMPARE(ldrh(r4, MemOperand(r5, -42)), "e15542ba ldrh r4, [r5, #-42]"); COMPARE(ldrh(r6, MemOperand(r7, 42, PostIndex)), "e0d762ba ldrh r6, [r7], #+42"); COMPARE(ldrh(r8, MemOperand(r9, -42, PostIndex)), "e05982ba ldrh r8, [r9], #-42"); COMPARE(ldrh(r10, MemOperand(fp, 42, PreIndex)), "e1fba2ba ldrh r10, [fp, #+42]!"); COMPARE(ldrh(ip, MemOperand(sp, -42, PreIndex)), "e17dc2ba ldrh ip, [sp, #-42]!"); COMPARE(ldrh(r0, MemOperand(r1, r2)), "e19100b2 ldrh r0, [r1, +r2]"); COMPARE(ldrh(r0, MemOperand(r1, r2, NegOffset)), "e11100b2 ldrh r0, [r1, -r2]"); COMPARE(ldrh(r0, MemOperand(r1, r2, PostIndex)), "e09100b2 ldrh r0, [r1], +r2"); COMPARE(ldrh(r0, MemOperand(r1, r2, NegPostIndex)), "e01100b2 ldrh r0, [r1], -r2"); COMPARE(ldrh(r0, MemOperand(r1, r2, PreIndex)), "e1b100b2 ldrh r0, [r1, +r2]!"); COMPARE(ldrh(r0, MemOperand(r1, r2, NegPreIndex)), "e13100b2 ldrh r0, [r1, -r2]!"); COMPARE(strh(r0, MemOperand(r1)), "e1c100b0 strh r0, [r1, #+0]"); COMPARE(strh(r2, MemOperand(r3, 42)), "e1c322ba strh r2, [r3, #+42]"); COMPARE(strh(r4, MemOperand(r5, -42)), "e14542ba strh r4, [r5, #-42]"); COMPARE(strh(r6, MemOperand(r7, 42, PostIndex)), "e0c762ba strh r6, [r7], #+42"); COMPARE(strh(r8, MemOperand(r9, -42, PostIndex)), "e04982ba strh r8, [r9], #-42"); COMPARE(strh(r10, MemOperand(fp, 42, PreIndex)), "e1eba2ba strh r10, [fp, #+42]!"); COMPARE(strh(ip, MemOperand(sp, -42, PreIndex)), "e16dc2ba strh ip, [sp, #-42]!"); COMPARE(strh(r0, MemOperand(r1, r2)), "e18100b2 strh r0, [r1, +r2]"); COMPARE(strh(r0, MemOperand(r1, r2, NegOffset)), "e10100b2 strh r0, [r1, -r2]"); COMPARE(strh(r0, MemOperand(r1, r2, PostIndex)), "e08100b2 strh r0, [r1], +r2"); COMPARE(strh(r0, MemOperand(r1, r2, NegPostIndex)), "e00100b2 strh r0, [r1], -r2"); COMPARE(strh(r0, MemOperand(r1, r2, PreIndex)), "e1a100b2 strh r0, [r1, +r2]!"); COMPARE(strh(r0, MemOperand(r1, r2, NegPreIndex)), "e12100b2 strh r0, [r1, -r2]!"); COMPARE(ldr(r0, MemOperand(r1)), "e5910000 ldr r0, [r1, #+0]"); COMPARE(ldr(r2, MemOperand(r3, 42)), "e593202a ldr r2, [r3, #+42]"); COMPARE(ldr(r4, MemOperand(r5, -42)), "e515402a ldr r4, [r5, #-42]"); COMPARE(ldr(r6, MemOperand(r7, 42, PostIndex)), "e497602a ldr r6, [r7], #+42"); COMPARE(ldr(r8, MemOperand(r9, -42, PostIndex)), "e419802a ldr r8, [r9], #-42"); COMPARE(ldr(r10, MemOperand(fp, 42, PreIndex)), "e5bba02a ldr r10, [fp, #+42]!"); COMPARE(ldr(ip, MemOperand(sp, -42, PreIndex)), "e53dc02a ldr ip, [sp, #-42]!"); COMPARE(ldr(r0, MemOperand(r1, r2)), "e7910002 ldr r0, [r1, +r2]"); COMPARE(ldr(r0, MemOperand(r1, r2, NegOffset)), "e7110002 ldr r0, [r1, -r2]"); COMPARE(ldr(r0, MemOperand(r1, r2, PostIndex)), "e6910002 ldr r0, [r1], +r2"); COMPARE(ldr(r0, MemOperand(r1, r2, NegPostIndex)), "e6110002 ldr r0, [r1], -r2"); COMPARE(ldr(r0, MemOperand(r1, r2, PreIndex)), "e7b10002 ldr r0, [r1, +r2]!"); COMPARE(ldr(r0, MemOperand(r1, r2, NegPreIndex)), "e7310002 ldr r0, [r1, -r2]!"); COMPARE(str(r0, MemOperand(r1)), "e5810000 str r0, [r1, #+0]"); COMPARE(str(r2, MemOperand(r3, 42)), "e583202a str r2, [r3, #+42]"); COMPARE(str(r4, MemOperand(r5, -42)), "e505402a str r4, [r5, #-42]"); COMPARE(str(r6, MemOperand(r7, 42, PostIndex)), "e487602a str r6, [r7], #+42"); COMPARE(str(r8, MemOperand(r9, -42, PostIndex)), "e409802a str r8, [r9], #-42"); COMPARE(str(r10, MemOperand(fp, 42, PreIndex)), "e5aba02a str r10, [fp, #+42]!"); COMPARE(str(ip, MemOperand(sp, -42, PreIndex)), "e52dc02a str ip, [sp, #-42]!"); COMPARE(str(r0, MemOperand(r1, r2)), "e7810002 str r0, [r1, +r2]"); COMPARE(str(r0, MemOperand(r1, r2, NegOffset)), "e7010002 str r0, [r1, -r2]"); COMPARE(str(r0, MemOperand(r1, r2, PostIndex)), "e6810002 str r0, [r1], +r2"); COMPARE(str(r0, MemOperand(r1, r2, NegPostIndex)), "e6010002 str r0, [r1], -r2"); COMPARE(str(r0, MemOperand(r1, r2, PreIndex)), "e7a10002 str r0, [r1, +r2]!"); COMPARE(str(r0, MemOperand(r1, r2, NegPreIndex)), "e7210002 str r0, [r1, -r2]!"); if (CpuFeatures::IsSupported(ARMv7)) { CpuFeatureScope scope(&assm, ARMv7); COMPARE(ldrd(r0, r1, MemOperand(r1)), "e1c100d0 ldrd r0, [r1, #+0]"); COMPARE(ldrd(r2, r3, MemOperand(r3, 127)), "e1c327df ldrd r2, [r3, #+127]"); COMPARE(ldrd(r4, r5, MemOperand(r5, -127)), "e14547df ldrd r4, [r5, #-127]"); COMPARE(ldrd(r6, r7, MemOperand(r7, 127, PostIndex)), "e0c767df ldrd r6, [r7], #+127"); COMPARE(ldrd(r8, r9, MemOperand(r9, -127, PostIndex)), "e04987df ldrd r8, [r9], #-127"); COMPARE(ldrd(r10, fp, MemOperand(fp, 127, PreIndex)), "e1eba7df ldrd r10, [fp, #+127]!"); COMPARE(ldrd(ip, sp, MemOperand(sp, -127, PreIndex)), "e16dc7df ldrd ip, [sp, #-127]!"); COMPARE(strd(r0, r1, MemOperand(r1)), "e1c100f0 strd r0, [r1, #+0]"); COMPARE(strd(r2, r3, MemOperand(r3, 127)), "e1c327ff strd r2, [r3, #+127]"); COMPARE(strd(r4, r5, MemOperand(r5, -127)), "e14547ff strd r4, [r5, #-127]"); COMPARE(strd(r6, r7, MemOperand(r7, 127, PostIndex)), "e0c767ff strd r6, [r7], #+127"); COMPARE(strd(r8, r9, MemOperand(r9, -127, PostIndex)), "e04987ff strd r8, [r9], #-127"); COMPARE(strd(r10, fp, MemOperand(fp, 127, PreIndex)), "e1eba7ff strd r10, [fp, #+127]!"); COMPARE(strd(ip, sp, MemOperand(sp, -127, PreIndex)), "e16dc7ff strd ip, [sp, #-127]!"); COMPARE(pld(MemOperand(r1, 0)), "f5d1f000 pld [r1]"); COMPARE(pld(MemOperand(ip, 64)), "f5dcf040 pld [ip, #+64]"); COMPARE(pld(MemOperand(r2, 128)), "f5d2f080 pld [r2, #+128]"); } // Test out-of-bound immediates. COMPARE(ldrb(r6, MemOperand(r7, 42 << 12)), "e3a06a2a mov r6, #172032", "e7d76006 ldrb r6, [r7, +r6]"); COMPARE(ldrh(r6, MemOperand(r7, 42 << 8, PostIndex)), "e3a06c2a mov r6, #10752", "e09760b6 ldrh r6, [r7], +r6"); // Make sure ip is used if the destination is the same as the base. COMPARE(ldr(r8, MemOperand(r8, 42 << 12, PreIndex)), "e3a0ca2a mov ip, #172032", "e7b8800c ldr r8, [r8, +ip]!"); COMPARE(strb(r6, MemOperand(r7, 42 << 12)), "e3a0ca2a mov ip, #172032", "e7c7600c strb r6, [r7, +ip]"); COMPARE(strh(r6, MemOperand(r7, 42 << 8, PostIndex)), "e3a0cc2a mov ip, #10752", "e08760bc strh r6, [r7], +ip"); COMPARE(str(r6, MemOperand(r7, 42 << 12, PreIndex)), "e3a0ca2a mov ip, #172032", "e7a7600c str r6, [r7, +ip]!"); // Test scaled operands for instructions that do not support it natively. COMPARE(ldrh(r0, MemOperand(r1, r2, LSL, 2)), "e1a00102 mov r0, r2, lsl #2", "e19100b0 ldrh r0, [r1, +r0]"); COMPARE(strh(r3, MemOperand(r4, r5, LSR, 3)), "e1a0c1a5 mov ip, r5, lsr #3", "e18430bc strh r3, [r4, +ip]"); // Make sure ip is used if the destination is the same as the base. COMPARE(ldrsb(r6, MemOperand(r6, r8, ASR, 4)), "e1a0c248 mov ip, r8, asr #4", "e19660dc ldrsb r6, [r6, +ip]"); COMPARE(ldrsh(r9, MemOperand(sp, r10, ROR, 5)), "e1a092ea mov r9, r10, ror #5", "e19d90f9 ldrsh r9, [sp, +r9]"); VERIFY_RUN(); } static void TestLoadLiteral(byte* buffer, Assembler* assm, bool* failure, int offset) { int pc_offset = assm->pc_offset(); byte *progcounter = &buffer[pc_offset]; assm->ldr_pcrel(r0, offset); const char *expected_string_template = (offset >= 0) ? "e59f0%03x ldr r0, [pc, #+%d] (addr %p)" : "e51f0%03x ldr r0, [pc, #%d] (addr %p)"; char expected_string[80]; snprintf(expected_string, sizeof(expected_string), expected_string_template, abs(offset), offset, progcounter + Instruction::kPCReadOffset + offset); if (!DisassembleAndCompare(progcounter, expected_string)) *failure = true; } TEST(LoadLiteral) { SET_UP(); TestLoadLiteral(buffer, &assm, &failure, 0); TestLoadLiteral(buffer, &assm, &failure, 1); TestLoadLiteral(buffer, &assm, &failure, 4); TestLoadLiteral(buffer, &assm, &failure, 4095); TestLoadLiteral(buffer, &assm, &failure, -1); TestLoadLiteral(buffer, &assm, &failure, -4); TestLoadLiteral(buffer, &assm, &failure, -4095); VERIFY_RUN(); } TEST(Barrier) { SET_UP(); if (CpuFeatures::IsSupported(ARMv7)) { CpuFeatureScope scope(&assm, ARMv7); COMPARE(dmb(OSHLD), "f57ff051 dmb oshld"); COMPARE(dmb(OSHST), "f57ff052 dmb oshst"); COMPARE(dmb(OSH), "f57ff053 dmb osh"); COMPARE(dmb(NSHLD), "f57ff055 dmb nshld"); COMPARE(dmb(NSHST), "f57ff056 dmb nshst"); COMPARE(dmb(NSH), "f57ff057 dmb nsh"); COMPARE(dmb(ISHLD), "f57ff059 dmb ishld"); COMPARE(dmb(ISHST), "f57ff05a dmb ishst"); COMPARE(dmb(ISH), "f57ff05b dmb ish"); COMPARE(dmb(LD), "f57ff05d dmb ld"); COMPARE(dmb(ST), "f57ff05e dmb st"); COMPARE(dmb(SY), "f57ff05f dmb sy"); COMPARE(dsb(ISH), "f57ff04b dsb ish"); COMPARE(isb(SY), "f57ff06f isb sy"); } else { // ARMv6 uses CP15 to implement barriers. The BarrierOption argument is // ignored. COMPARE(dmb(ISH), "ee070fba mcr (CP15DMB)"); COMPARE(dsb(OSH), "ee070f9a mcr (CP15DSB)"); COMPARE(isb(SY), "ee070f95 mcr (CP15ISB)"); } // ARMv6 barriers. // Details available in ARM DDI 0406C.b, B3-1750. COMPARE(mcr(p15, 0, r0, cr7, cr10, 5), "ee070fba mcr (CP15DMB)"); COMPARE(mcr(p15, 0, r0, cr7, cr10, 4), "ee070f9a mcr (CP15DSB)"); COMPARE(mcr(p15, 0, r0, cr7, cr5, 4), "ee070f95 mcr (CP15ISB)"); // Rt is ignored. COMPARE(mcr(p15, 0, lr, cr7, cr10, 5), "ee07efba mcr (CP15DMB)"); COMPARE(mcr(p15, 0, lr, cr7, cr10, 4), "ee07ef9a mcr (CP15DSB)"); COMPARE(mcr(p15, 0, lr, cr7, cr5, 4), "ee07ef95 mcr (CP15ISB)"); // The mcr instruction can be conditional. COMPARE(mcr(p15, 0, r0, cr7, cr10, 5, eq), "0e070fba mcreq (CP15DMB)"); COMPARE(mcr(p15, 0, r0, cr7, cr10, 4, ne), "1e070f9a mcrne (CP15DSB)"); COMPARE(mcr(p15, 0, r0, cr7, cr5, 4, mi), "4e070f95 mcrmi (CP15ISB)"); VERIFY_RUN(); } TEST(LoadStoreExclusive) { SET_UP(); COMPARE(ldrexb(r0, r1), "e1d10f9f ldrexb r0, [r1]"); COMPARE(strexb(r0, r1, r2), "e1c20f91 strexb r0, r1, [r2]"); COMPARE(ldrexh(r0, r1), "e1f10f9f ldrexh r0, [r1]"); COMPARE(strexh(r0, r1, r2), "e1e20f91 strexh r0, r1, [r2]"); COMPARE(ldrex(r0, r1), "e1910f9f ldrex r0, [r1]"); COMPARE(strex(r0, r1, r2), "e1820f91 strex r0, r1, [r2]"); VERIFY_RUN(); } TEST(SplitAddImmediate) { SET_UP(); // Re-use the destination as a scratch. COMPARE(add(r0, r1, Operand(0x12345678)), "e3050678 movw r0, #22136", "e3410234 movt r0, #4660", "e0810000 add r0, r1, r0"); // Use ip as a scratch. COMPARE(add(r0, r0, Operand(0x12345678)), "e305c678 movw ip, #22136", "e341c234 movt ip, #4660", "e080000c add r0, r0, ip"); // If ip is not available, split the operation into multiple additions. { UseScratchRegisterScope temps(&assm); Register reserved = temps.Acquire(); USE(reserved); COMPARE(add(r2, r2, Operand(0x12345678)), "e2822f9e add r2, r2, #632", "e2822b15 add r2, r2, #21504", "e282278d add r2, r2, #36962304", "e2822201 add r2, r2, #268435456"); } VERIFY_RUN(); } } // namespace internal } // namespace v8