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// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#include <stdlib.h>
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#include "v8.h"
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#include "debug.h"
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#include "disasm.h"
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#include "disassembler.h"
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#include "macro-assembler.h"
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#include "serialize.h"
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#include "cctest.h"
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using namespace v8::internal;
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static v8::Persistent<v8::Context> env;
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static void InitializeVM() {
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// Disable compilation of natives.
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FLAG_disable_native_files = true;
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if (env.IsEmpty()) {
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env = v8::Context::New();
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}
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}
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bool DisassembleAndCompare(byte* pc, const char* compare_string) {
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disasm::NameConverter converter;
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disasm::Disassembler disasm(converter);
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EmbeddedVector<char, 128> disasm_buffer;
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disasm.InstructionDecode(disasm_buffer, pc);
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if (strcmp(compare_string, disasm_buffer.start()) != 0) {
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fprintf(stderr,
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"expected: \n"
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"%s\n"
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"disassembled: \n"
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"%s\n\n",
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compare_string, disasm_buffer.start());
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return false;
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}
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return true;
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}
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// Set up V8 to a state where we can at least run the assembler and
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// disassembler. Declare the variables and allocate the data structures used
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// in the rest of the macros.
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#define SET_UP() \
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InitializeVM(); \
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v8::HandleScope scope; \
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byte *buffer = reinterpret_cast<byte*>(malloc(4*1024)); \
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Assembler assm(Isolate::Current(), buffer, 4*1024); \
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bool failure = false;
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// This macro assembles one instruction using the preallocated assembler and
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// disassembles the generated instruction, comparing the output to the expected
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// value. If the comparison fails an error message is printed, but the test
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// continues to run until the end.
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#define COMPARE(asm_, compare_string) \
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{ \
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int pc_offset = assm.pc_offset(); \
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byte *progcounter = &buffer[pc_offset]; \
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assm.asm_; \
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if (!DisassembleAndCompare(progcounter, compare_string)) failure = true; \
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}
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// Verify that all invocations of the COMPARE macro passed successfully.
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// Exit with a failure if at least one of the tests failed.
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#define VERIFY_RUN() \
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if (failure) { \
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V8_Fatal(__FILE__, __LINE__, "MIPS Disassembler tests failed.\n"); \
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}
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TEST(Type0) {
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SET_UP();
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COMPARE(addu(a0, a1, a2),
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"00a62021 addu a0, a1, a2");
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COMPARE(addu(t2, t3, t4),
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"016c5021 addu t2, t3, t4");
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COMPARE(addu(v0, v1, s0),
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"00701021 addu v0, v1, s0");
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COMPARE(subu(a0, a1, a2),
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"00a62023 subu a0, a1, a2");
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COMPARE(subu(t2, t3, t4),
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"016c5023 subu t2, t3, t4");
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COMPARE(subu(v0, v1, s0),
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"00701023 subu v0, v1, s0");
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COMPARE(mult(a0, a1),
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"00850018 mult a0, a1");
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COMPARE(mult(t2, t3),
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"014b0018 mult t2, t3");
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COMPARE(mult(v0, v1),
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"00430018 mult v0, v1");
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COMPARE(multu(a0, a1),
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"00850019 multu a0, a1");
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COMPARE(multu(t2, t3),
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"014b0019 multu t2, t3");
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COMPARE(multu(v0, v1),
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"00430019 multu v0, v1");
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COMPARE(div(a0, a1),
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"0085001a div a0, a1");
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COMPARE(div(t2, t3),
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"014b001a div t2, t3");
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COMPARE(div(v0, v1),
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"0043001a div v0, v1");
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COMPARE(divu(a0, a1),
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"0085001b divu a0, a1");
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COMPARE(divu(t2, t3),
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"014b001b divu t2, t3");
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COMPARE(divu(v0, v1),
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"0043001b divu v0, v1");
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if (kArchVariant != kLoongson) {
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COMPARE(mul(a0, a1, a2),
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"70a62002 mul a0, a1, a2");
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COMPARE(mul(t2, t3, t4),
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"716c5002 mul t2, t3, t4");
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COMPARE(mul(v0, v1, s0),
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"70701002 mul v0, v1, s0");
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}
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COMPARE(addiu(a0, a1, 0x0),
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"24a40000 addiu a0, a1, 0");
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COMPARE(addiu(s0, s1, 32767),
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"26307fff addiu s0, s1, 32767");
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COMPARE(addiu(t2, t3, -32768),
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"256a8000 addiu t2, t3, -32768");
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COMPARE(addiu(v0, v1, -1),
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"2462ffff addiu v0, v1, -1");
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COMPARE(and_(a0, a1, a2),
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"00a62024 and a0, a1, a2");
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COMPARE(and_(s0, s1, s2),
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"02328024 and s0, s1, s2");
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COMPARE(and_(t2, t3, t4),
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"016c5024 and t2, t3, t4");
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COMPARE(and_(v0, v1, a2),
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"00661024 and v0, v1, a2");
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COMPARE(or_(a0, a1, a2),
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"00a62025 or a0, a1, a2");
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COMPARE(or_(s0, s1, s2),
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"02328025 or s0, s1, s2");
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COMPARE(or_(t2, t3, t4),
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"016c5025 or t2, t3, t4");
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COMPARE(or_(v0, v1, a2),
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"00661025 or v0, v1, a2");
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COMPARE(xor_(a0, a1, a2),
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"00a62026 xor a0, a1, a2");
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COMPARE(xor_(s0, s1, s2),
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"02328026 xor s0, s1, s2");
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COMPARE(xor_(t2, t3, t4),
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"016c5026 xor t2, t3, t4");
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COMPARE(xor_(v0, v1, a2),
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"00661026 xor v0, v1, a2");
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COMPARE(nor(a0, a1, a2),
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"00a62027 nor a0, a1, a2");
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COMPARE(nor(s0, s1, s2),
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"02328027 nor s0, s1, s2");
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COMPARE(nor(t2, t3, t4),
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"016c5027 nor t2, t3, t4");
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COMPARE(nor(v0, v1, a2),
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"00661027 nor v0, v1, a2");
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COMPARE(andi(a0, a1, 0x1),
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"30a40001 andi a0, a1, 0x1");
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COMPARE(andi(v0, v1, 0xffff),
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"3062ffff andi v0, v1, 0xffff");
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COMPARE(ori(a0, a1, 0x1),
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"34a40001 ori a0, a1, 0x1");
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COMPARE(ori(v0, v1, 0xffff),
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"3462ffff ori v0, v1, 0xffff");
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COMPARE(xori(a0, a1, 0x1),
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"38a40001 xori a0, a1, 0x1");
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COMPARE(xori(v0, v1, 0xffff),
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"3862ffff xori v0, v1, 0xffff");
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COMPARE(lui(a0, 0x1),
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"3c040001 lui a0, 0x1");
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COMPARE(lui(v0, 0xffff),
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"3c02ffff lui v0, 0xffff");
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COMPARE(sll(a0, a1, 0),
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"00052000 sll a0, a1, 0");
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COMPARE(sll(s0, s1, 8),
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"00118200 sll s0, s1, 8");
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COMPARE(sll(t2, t3, 24),
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"000b5600 sll t2, t3, 24");
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COMPARE(sll(v0, v1, 31),
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"000317c0 sll v0, v1, 31");
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COMPARE(sllv(a0, a1, a2),
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"00c52004 sllv a0, a1, a2");
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COMPARE(sllv(s0, s1, s2),
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"02518004 sllv s0, s1, s2");
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COMPARE(sllv(t2, t3, t4),
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"018b5004 sllv t2, t3, t4");
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COMPARE(sllv(v0, v1, fp),
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"03c31004 sllv v0, v1, fp");
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COMPARE(srl(a0, a1, 0),
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"00052002 srl a0, a1, 0");
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COMPARE(srl(s0, s1, 8),
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"00118202 srl s0, s1, 8");
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COMPARE(srl(t2, t3, 24),
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"000b5602 srl t2, t3, 24");
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COMPARE(srl(v0, v1, 31),
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"000317c2 srl v0, v1, 31");
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COMPARE(srlv(a0, a1, a2),
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"00c52006 srlv a0, a1, a2");
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COMPARE(srlv(s0, s1, s2),
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"02518006 srlv s0, s1, s2");
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COMPARE(srlv(t2, t3, t4),
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"018b5006 srlv t2, t3, t4");
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COMPARE(srlv(v0, v1, fp),
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"03c31006 srlv v0, v1, fp");
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COMPARE(sra(a0, a1, 0),
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"00052003 sra a0, a1, 0");
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COMPARE(sra(s0, s1, 8),
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"00118203 sra s0, s1, 8");
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COMPARE(sra(t2, t3, 24),
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"000b5603 sra t2, t3, 24");
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COMPARE(sra(v0, v1, 31),
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"000317c3 sra v0, v1, 31");
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COMPARE(srav(a0, a1, a2),
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"00c52007 srav a0, a1, a2");
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COMPARE(srav(s0, s1, s2),
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"02518007 srav s0, s1, s2");
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COMPARE(srav(t2, t3, t4),
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"018b5007 srav t2, t3, t4");
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COMPARE(srav(v0, v1, fp),
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"03c31007 srav v0, v1, fp");
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if (kArchVariant == kMips32r2) {
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COMPARE(rotr(a0, a1, 0),
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"00252002 rotr a0, a1, 0");
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COMPARE(rotr(s0, s1, 8),
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"00318202 rotr s0, s1, 8");
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COMPARE(rotr(t2, t3, 24),
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"002b5602 rotr t2, t3, 24");
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COMPARE(rotr(v0, v1, 31),
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"002317c2 rotr v0, v1, 31");
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COMPARE(rotrv(a0, a1, a2),
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"00c52046 rotrv a0, a1, a2");
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COMPARE(rotrv(s0, s1, s2),
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"02518046 rotrv s0, s1, s2");
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COMPARE(rotrv(t2, t3, t4),
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"018b5046 rotrv t2, t3, t4");
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COMPARE(rotrv(v0, v1, fp),
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"03c31046 rotrv v0, v1, fp");
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|
|
}
|
|
|
|
|
|
|
|
|
|
COMPARE(break_(0),
|
|
|
|
|
"0000000d break, code: 0x00000 (0)");
|
|
|
|
|
COMPARE(break_(261120),
|
|
|
|
|
"00ff000d break, code: 0x3fc00 (261120)");
|
|
|
|
|
COMPARE(break_(1047552),
|
|
|
|
|
"03ff000d break, code: 0xffc00 (1047552)");
|
|
|
|
|
|
|
|
|
|
COMPARE(tge(a0, a1, 0),
|
|
|
|
|
"00850030 tge a0, a1, code: 0x000");
|
|
|
|
|
COMPARE(tge(s0, s1, 1023),
|
|
|
|
|
"0211fff0 tge s0, s1, code: 0x3ff");
|
|
|
|
|
COMPARE(tgeu(a0, a1, 0),
|
|
|
|
|
"00850031 tgeu a0, a1, code: 0x000");
|
|
|
|
|
COMPARE(tgeu(s0, s1, 1023),
|
|
|
|
|
"0211fff1 tgeu s0, s1, code: 0x3ff");
|
|
|
|
|
COMPARE(tlt(a0, a1, 0),
|
|
|
|
|
"00850032 tlt a0, a1, code: 0x000");
|
|
|
|
|
COMPARE(tlt(s0, s1, 1023),
|
|
|
|
|
"0211fff2 tlt s0, s1, code: 0x3ff");
|
|
|
|
|
COMPARE(tltu(a0, a1, 0),
|
|
|
|
|
"00850033 tltu a0, a1, code: 0x000");
|
|
|
|
|
COMPARE(tltu(s0, s1, 1023),
|
|
|
|
|
"0211fff3 tltu s0, s1, code: 0x3ff");
|
|
|
|
|
COMPARE(teq(a0, a1, 0),
|
|
|
|
|
"00850034 teq a0, a1, code: 0x000");
|
|
|
|
|
COMPARE(teq(s0, s1, 1023),
|
|
|
|
|
"0211fff4 teq s0, s1, code: 0x3ff");
|
|
|
|
|
COMPARE(tne(a0, a1, 0),
|
|
|
|
|
"00850036 tne a0, a1, code: 0x000");
|
|
|
|
|
COMPARE(tne(s0, s1, 1023),
|
|
|
|
|
"0211fff6 tne s0, s1, code: 0x3ff");
|
|
|
|
|
|
|
|
|
|
COMPARE(mfhi(a0),
|
|
|
|
|
"00002010 mfhi a0");
|
|
|
|
|
COMPARE(mfhi(s2),
|
|
|
|
|
"00009010 mfhi s2");
|
|
|
|
|
COMPARE(mfhi(t4),
|
|
|
|
|
"00006010 mfhi t4");
|
|
|
|
|
COMPARE(mfhi(v1),
|
|
|
|
|
"00001810 mfhi v1");
|
|
|
|
|
COMPARE(mflo(a0),
|
|
|
|
|
"00002012 mflo a0");
|
|
|
|
|
COMPARE(mflo(s2),
|
|
|
|
|
"00009012 mflo s2");
|
|
|
|
|
COMPARE(mflo(t4),
|
|
|
|
|
"00006012 mflo t4");
|
|
|
|
|
COMPARE(mflo(v1),
|
|
|
|
|
"00001812 mflo v1");
|
|
|
|
|
|
|
|
|
|
COMPARE(slt(a0, a1, a2),
|
|
|
|
|
"00a6202a slt a0, a1, a2");
|
|
|
|
|
COMPARE(slt(s0, s1, s2),
|
|
|
|
|
"0232802a slt s0, s1, s2");
|
|
|
|
|
COMPARE(slt(t2, t3, t4),
|
|
|
|
|
"016c502a slt t2, t3, t4");
|
|
|
|
|
COMPARE(slt(v0, v1, a2),
|
|
|
|
|
"0066102a slt v0, v1, a2");
|
|
|
|
|
COMPARE(sltu(a0, a1, a2),
|
|
|
|
|
"00a6202b sltu a0, a1, a2");
|
|
|
|
|
COMPARE(sltu(s0, s1, s2),
|
|
|
|
|
"0232802b sltu s0, s1, s2");
|
|
|
|
|
COMPARE(sltu(t2, t3, t4),
|
|
|
|
|
"016c502b sltu t2, t3, t4");
|
|
|
|
|
COMPARE(sltu(v0, v1, a2),
|
|
|
|
|
"0066102b sltu v0, v1, a2");
|
|
|
|
|
|
|
|
|
|
COMPARE(slti(a0, a1, 0),
|
|
|
|
|
"28a40000 slti a0, a1, 0");
|
|
|
|
|
COMPARE(slti(s0, s1, 32767),
|
|
|
|
|
"2a307fff slti s0, s1, 32767");
|
|
|
|
|
COMPARE(slti(t2, t3, -32768),
|
|
|
|
|
"296a8000 slti t2, t3, -32768");
|
|
|
|
|
COMPARE(slti(v0, v1, -1),
|
|
|
|
|
"2862ffff slti v0, v1, -1");
|
|
|
|
|
COMPARE(sltiu(a0, a1, 0),
|
|
|
|
|
"2ca40000 sltiu a0, a1, 0");
|
|
|
|
|
COMPARE(sltiu(s0, s1, 32767),
|
|
|
|
|
"2e307fff sltiu s0, s1, 32767");
|
|
|
|
|
COMPARE(sltiu(t2, t3, -32768),
|
|
|
|
|
"2d6a8000 sltiu t2, t3, -32768");
|
|
|
|
|
COMPARE(sltiu(v0, v1, -1),
|
|
|
|
|
"2c62ffff sltiu v0, v1, -1");
|
|
|
|
|
|
|
|
|
|
if (kArchVariant != kLoongson) {
|
|
|
|
|
COMPARE(movz(a0, a1, a2),
|
|
|
|
|
"00a6200a movz a0, a1, a2");
|
|
|
|
|
COMPARE(movz(s0, s1, s2),
|
|
|
|
|
"0232800a movz s0, s1, s2");
|
|
|
|
|
COMPARE(movz(t2, t3, t4),
|
|
|
|
|
"016c500a movz t2, t3, t4");
|
|
|
|
|
COMPARE(movz(v0, v1, a2),
|
|
|
|
|
"0066100a movz v0, v1, a2");
|
|
|
|
|
COMPARE(movn(a0, a1, a2),
|
|
|
|
|
"00a6200b movn a0, a1, a2");
|
|
|
|
|
COMPARE(movn(s0, s1, s2),
|
|
|
|
|
"0232800b movn s0, s1, s2");
|
|
|
|
|
COMPARE(movn(t2, t3, t4),
|
|
|
|
|
"016c500b movn t2, t3, t4");
|
|
|
|
|
COMPARE(movn(v0, v1, a2),
|
|
|
|
|
"0066100b movn v0, v1, a2");
|
|
|
|
|
|
|
|
|
|
COMPARE(movt(a0, a1, 1),
|
|
|
|
|
"00a52001 movt a0, a1, 1");
|
|
|
|
|
COMPARE(movt(s0, s1, 2),
|
|
|
|
|
"02298001 movt s0, s1, 2");
|
|
|
|
|
COMPARE(movt(t2, t3, 3),
|
|
|
|
|
"016d5001 movt t2, t3, 3");
|
|
|
|
|
COMPARE(movt(v0, v1, 7),
|
|
|
|
|
"007d1001 movt v0, v1, 7");
|
|
|
|
|
COMPARE(movf(a0, a1, 0),
|
|
|
|
|
"00a02001 movf a0, a1, 0");
|
|
|
|
|
COMPARE(movf(s0, s1, 4),
|
|
|
|
|
"02308001 movf s0, s1, 4");
|
|
|
|
|
COMPARE(movf(t2, t3, 5),
|
|
|
|
|
"01745001 movf t2, t3, 5");
|
|
|
|
|
COMPARE(movf(v0, v1, 6),
|
|
|
|
|
"00781001 movf v0, v1, 6");
|
|
|
|
|
|
|
|
|
|
COMPARE(clz(a0, a1),
|
|
|
|
|
"70a42020 clz a0, a1");
|
|
|
|
|
COMPARE(clz(s6, s7),
|
|
|
|
|
"72f6b020 clz s6, s7");
|
|
|
|
|
COMPARE(clz(v0, v1),
|
|
|
|
|
"70621020 clz v0, v1");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (kArchVariant == kMips32r2) {
|
|
|
|
|
COMPARE(ins_(a0, a1, 31, 1),
|
|
|
|
|
"7ca4ffc4 ins a0, a1, 31, 1");
|
|
|
|
|
COMPARE(ins_(s6, s7, 30, 2),
|
|
|
|
|
"7ef6ff84 ins s6, s7, 30, 2");
|
|
|
|
|
COMPARE(ins_(v0, v1, 0, 32),
|
|
|
|
|
"7c62f804 ins v0, v1, 0, 32");
|
|
|
|
|
COMPARE(ext_(a0, a1, 31, 1),
|
|
|
|
|
"7ca407c0 ext a0, a1, 31, 1");
|
|
|
|
|
COMPARE(ext_(s6, s7, 30, 2),
|
|
|
|
|
"7ef60f80 ext s6, s7, 30, 2");
|
|
|
|
|
COMPARE(ext_(v0, v1, 0, 32),
|
|
|
|
|
"7c62f800 ext v0, v1, 0, 32");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
VERIFY_RUN();
|
|
|
|
|
}
|
