/
testair.cpp
2726 lines (2235 loc) · 104 KB
/
testair.cpp
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/*
* Copyright (C) 2016-2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "config.h"
#include "AirCode.h"
#include "AirGenerate.h"
#include "AirSpecial.h"
#include "AllowMacroScratchRegisterUsage.h"
#include "B3BasicBlockInlines.h"
#include "B3PatchpointSpecial.h"
#include "B3PatchpointValue.h"
#include "B3Procedure.h"
#include "B3StackmapGenerationParams.h"
#include "CCallHelpers.h"
#include "InitializeThreading.h"
#include "JITCompilation.h"
#include "LinkBuffer.h"
#include "ProbeContext.h"
#include "PureNaN.h"
#include <regex>
#include <string>
#include <wtf/DataLog.h>
#include <wtf/Lock.h>
#include <wtf/NumberOfCores.h>
#include <wtf/StdMap.h>
#include <wtf/Threading.h>
#include <wtf/WTFProcess.h>
#include <wtf/text/StringCommon.h>
// We don't have a NO_RETURN_DUE_TO_EXIT, nor should we. That's ridiculous.
static bool hiddenTruthBecauseNoReturnIsStupid() { return true; }
static void usage()
{
dataLog("Usage: testair [<filter>]\n");
if (hiddenTruthBecauseNoReturnIsStupid())
exitProcess(1);
}
#if ENABLE(B3_JIT)
using namespace JSC;
using namespace JSC::B3::Air;
using JSC::B3::FP;
using JSC::B3::GP;
using JSC::Width;
using JSC::Width8;
using JSC::Width16;
using JSC::Width32;
using JSC::Width64;
namespace {
Lock crashLock;
// Nothing fancy for now; we just use the existing WTF assertion machinery.
#define CHECK(x) do { \
if (!!(x)) \
break; \
crashLock.lock(); \
WTFReportAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, #x); \
CRASH(); \
} while (false)
std::unique_ptr<Compilation> compile(B3::Procedure& proc)
{
prepareForGeneration(proc.code());
CCallHelpers jit;
generate(proc.code(), jit);
LinkBuffer linkBuffer(jit, nullptr);
return makeUnique<Compilation>(
FINALIZE_CODE(linkBuffer, JITCompilationPtrTag, "testair compilation"), proc.releaseByproducts());
}
template<typename T, typename... Arguments>
T invoke(const Compilation& code, Arguments... arguments)
{
void* executableAddress;
T (*function)(Arguments...);
T result;
executableAddress = untagCFunctionPtr<JITCompilationPtrTag>(code.code().taggedPtr());
function = bitwise_cast<T(*)(Arguments...)>(executableAddress);
result = function(arguments...);
return result;
}
template<typename T, typename... Arguments>
T compileAndRun(B3::Procedure& procedure, Arguments... arguments)
{
return invoke<T>(*compile(procedure), arguments...);
}
void testSimple()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
root->append(Move, nullptr, Arg::imm(42), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
CHECK(compileAndRun<int>(proc) == 42);
}
// Use this to put a constant into a register without Air being able to see the constant.
template<typename T>
void loadConstantImpl(BasicBlock* block, T value, B3::Air::Opcode move, Tmp tmp, Tmp scratch)
{
static Lock lock;
static StdMap<T, T*>* map; // I'm not messing with HashMap's problems with integers.
Locker locker { lock };
if (!map)
map = new StdMap<T, T*>();
if (!map->count(value))
(*map)[value] = new T(value);
T* ptr = (*map)[value];
block->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(ptr)), scratch);
block->append(move, nullptr, Arg::addr(scratch), tmp);
}
template<typename T>
void loadConstant(BasicBlock* block, T value, Tmp tmp)
{
loadConstantImpl(block, value, Move, tmp, tmp);
}
void loadDoubleConstant(BasicBlock* block, double value, Tmp tmp, Tmp scratch)
{
loadConstantImpl<double>(block, value, MoveDouble, tmp, scratch);
}
void testShuffleSimpleSwap()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT2), Arg::widthArg(Width32));
int32_t things[4];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 2);
CHECK(things[2] == 4);
CHECK(things[3] == 3);
}
void testShuffleSimpleShift()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT4), Arg::widthArg(Width32));
int32_t things[5];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 2);
CHECK(things[2] == 3);
CHECK(things[3] == 3);
CHECK(things[4] == 4);
}
void testShuffleLongShift()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
loadConstant(root, 7, Tmp(GPRInfo::regT6));
loadConstant(root, 8, Tmp(GPRInfo::regT7));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT4), Tmp(GPRInfo::regT5), Arg::widthArg(Width32),
Tmp(GPRInfo::regT5), Tmp(GPRInfo::regT6), Arg::widthArg(Width32),
Tmp(GPRInfo::regT6), Tmp(GPRInfo::regT7), Arg::widthArg(Width32));
int32_t things[8];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT6), Arg::addr(base, 6 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT7), Arg::addr(base, 7 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 3);
CHECK(things[4] == 4);
CHECK(things[5] == 5);
CHECK(things[6] == 6);
CHECK(things[7] == 7);
}
void testShuffleLongShiftBackwards()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
loadConstant(root, 7, Tmp(GPRInfo::regT6));
loadConstant(root, 8, Tmp(GPRInfo::regT7));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT6), Tmp(GPRInfo::regT7), Arg::widthArg(Width32),
Tmp(GPRInfo::regT5), Tmp(GPRInfo::regT6), Arg::widthArg(Width32),
Tmp(GPRInfo::regT4), Tmp(GPRInfo::regT5), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32));
int32_t things[8];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT6), Arg::addr(base, 6 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT7), Arg::addr(base, 7 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 3);
CHECK(things[4] == 4);
CHECK(things[5] == 5);
CHECK(things[6] == 6);
CHECK(things[7] == 7);
}
void testShuffleSimpleRotate()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT0), Arg::widthArg(Width32));
int32_t things[4];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 3);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 4);
}
void testShuffleSimpleBroadcast()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT3), Arg::widthArg(Width32));
int32_t things[4];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 1);
CHECK(things[2] == 1);
CHECK(things[3] == 1);
}
void testShuffleBroadcastAllRegs()
{
B3::Procedure proc;
Code& code = proc.code();
const Vector<Reg>& regs = code.regsInPriorityOrder(GP);
BasicBlock* root = code.addBlock();
root->append(Move, nullptr, Arg::imm(35), Tmp(GPRInfo::regT0));
unsigned count = 1;
for (Reg reg : regs) {
if (reg != Reg(GPRInfo::regT0))
loadConstant(root, count++, Tmp(reg));
}
Inst& shuffle = root->append(Shuffle, nullptr);
for (Reg reg : regs) {
if (reg != Reg(GPRInfo::regT0))
shuffle.append(Tmp(GPRInfo::regT0), Tmp(reg), Arg::widthArg(Width32));
}
StackSlot* slot = code.addStackSlot(sizeof(int32_t) * regs.size(), StackSlotKind::Locked);
for (unsigned i = 0; i < regs.size(); ++i)
root->append(Move32, nullptr, Tmp(regs[i]), Arg::stack(slot, i * sizeof(int32_t)));
Vector<int32_t> things(regs.size(), 666);
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things[0])), base);
for (unsigned i = 0; i < regs.size(); ++i) {
root->append(Move32, nullptr, Arg::stack(slot, i * sizeof(int32_t)), Tmp(GPRInfo::regT0));
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, i * sizeof(int32_t)));
}
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
CHECK(!compileAndRun<int>(proc));
for (int32_t thing : things)
CHECK(thing == 35);
}
void testShuffleTreeShift()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
loadConstant(root, 7, Tmp(GPRInfo::regT6));
loadConstant(root, 8, Tmp(GPRInfo::regT7));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT5), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT6), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT7), Arg::widthArg(Width32));
int32_t things[8];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT6), Arg::addr(base, 6 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT7), Arg::addr(base, 7 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 1);
CHECK(things[2] == 1);
CHECK(things[3] == 2);
CHECK(things[4] == 2);
CHECK(things[5] == 3);
CHECK(things[6] == 3);
CHECK(things[7] == 4);
}
void testShuffleTreeShiftBackward()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
loadConstant(root, 7, Tmp(GPRInfo::regT6));
loadConstant(root, 8, Tmp(GPRInfo::regT7));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT7), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT6), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT5), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32));
int32_t things[8];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT6), Arg::addr(base, 6 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT7), Arg::addr(base, 7 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 1);
CHECK(things[2] == 1);
CHECK(things[3] == 2);
CHECK(things[4] == 2);
CHECK(things[5] == 3);
CHECK(things[6] == 3);
CHECK(things[7] == 4);
}
void testShuffleTreeShiftOtherBackward()
{
// NOTE: This test was my original attempt at TreeShiftBackward but mistakes were made. So, this
// ends up being just a weird test. But weird tests are useful, so I kept it.
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
loadConstant(root, 7, Tmp(GPRInfo::regT6));
loadConstant(root, 8, Tmp(GPRInfo::regT7));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT4), Tmp(GPRInfo::regT7), Arg::widthArg(Width32),
Tmp(GPRInfo::regT5), Tmp(GPRInfo::regT6), Arg::widthArg(Width32),
Tmp(GPRInfo::regT5), Tmp(GPRInfo::regT5), Arg::widthArg(Width32),
Tmp(GPRInfo::regT6), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT6), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT7), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT7), Tmp(GPRInfo::regT1), Arg::widthArg(Width32));
int32_t things[8];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT6), Arg::addr(base, 6 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT7), Arg::addr(base, 7 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 8);
CHECK(things[2] == 8);
CHECK(things[3] == 7);
CHECK(things[4] == 7);
CHECK(things[5] == 6);
CHECK(things[6] == 6);
CHECK(things[7] == 5);
}
void testShuffleMultipleShifts()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT5), Arg::widthArg(Width32));
int32_t things[6];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 1);
CHECK(things[1] == 1);
CHECK(things[2] == 3);
CHECK(things[3] == 3);
CHECK(things[4] == 3);
CHECK(things[5] == 1);
}
void testShuffleRotateWithFringe()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT0), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT5), Arg::widthArg(Width32));
int32_t things[6];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 3);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 1);
CHECK(things[4] == 2);
CHECK(things[5] == 3);
}
void testShuffleRotateWithFringeInWeirdOrder()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT0), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT5), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32));
int32_t things[6];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 3);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 1);
CHECK(things[4] == 2);
CHECK(things[5] == 3);
}
void testShuffleRotateWithLongFringe()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT0), Arg::widthArg(Width32),
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT3), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT4), Tmp(GPRInfo::regT5), Arg::widthArg(Width32));
int32_t things[6];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 3);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 1);
CHECK(things[4] == 4);
CHECK(things[5] == 5);
}
void testShuffleMultipleRotates()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT0), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT4), Tmp(GPRInfo::regT5), Arg::widthArg(Width32),
Tmp(GPRInfo::regT5), Tmp(GPRInfo::regT3), Arg::widthArg(Width32));
int32_t things[6];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 3);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 6);
CHECK(things[4] == 4);
CHECK(things[5] == 5);
}
void testShuffleShiftAndRotate()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 1, Tmp(GPRInfo::regT0));
loadConstant(root, 2, Tmp(GPRInfo::regT1));
loadConstant(root, 3, Tmp(GPRInfo::regT2));
loadConstant(root, 4, Tmp(GPRInfo::regT3));
loadConstant(root, 5, Tmp(GPRInfo::regT4));
loadConstant(root, 6, Tmp(GPRInfo::regT5));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT0), Tmp(GPRInfo::regT1), Arg::widthArg(Width32),
Tmp(GPRInfo::regT1), Tmp(GPRInfo::regT2), Arg::widthArg(Width32),
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT0), Arg::widthArg(Width32),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT4), Arg::widthArg(Width32),
Tmp(GPRInfo::regT4), Tmp(GPRInfo::regT5), Arg::widthArg(Width32));
int32_t things[6];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT4), Arg::addr(base, 4 * sizeof(int32_t)));
root->append(Move32, nullptr, Tmp(GPRInfo::regT5), Arg::addr(base, 5 * sizeof(int32_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 3);
CHECK(things[1] == 1);
CHECK(things[2] == 2);
CHECK(things[3] == 4);
CHECK(things[4] == 4);
CHECK(things[5] == 5);
}
void testShuffleShiftAllRegs()
{
B3::Procedure proc;
Code& code = proc.code();
const Vector<Reg>& regs = code.regsInPriorityOrder(GP);
BasicBlock* root = code.addBlock();
for (unsigned i = 0; i < regs.size(); ++i)
loadConstant(root, 35 + i, Tmp(regs[i]));
Inst& shuffle = root->append(Shuffle, nullptr);
for (unsigned i = 1; i < regs.size(); ++i)
shuffle.append(Tmp(regs[i - 1]), Tmp(regs[i]), Arg::widthArg(Width32));
StackSlot* slot = code.addStackSlot(sizeof(int32_t) * regs.size(), StackSlotKind::Locked);
for (unsigned i = 0; i < regs.size(); ++i)
root->append(Move32, nullptr, Tmp(regs[i]), Arg::stack(slot, i * sizeof(int32_t)));
Vector<int32_t> things(regs.size(), 666);
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things[0])), base);
for (unsigned i = 0; i < regs.size(); ++i) {
root->append(Move32, nullptr, Arg::stack(slot, i * sizeof(int32_t)), Tmp(GPRInfo::regT0));
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, i * sizeof(int32_t)));
}
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 35);
for (unsigned i = 1; i < regs.size(); ++i)
CHECK(things[i] == 35 + static_cast<int32_t>(i) - 1);
}
void testShuffleRotateAllRegs()
{
B3::Procedure proc;
Code& code = proc.code();
const Vector<Reg>& regs = code.regsInPriorityOrder(GP);
BasicBlock* root = code.addBlock();
for (unsigned i = 0; i < regs.size(); ++i)
loadConstant(root, 35 + i, Tmp(regs[i]));
Inst& shuffle = root->append(Shuffle, nullptr);
for (unsigned i = 1; i < regs.size(); ++i)
shuffle.append(Tmp(regs[i - 1]), Tmp(regs[i]), Arg::widthArg(Width32));
shuffle.append(Tmp(regs.last()), Tmp(regs[0]), Arg::widthArg(Width32));
StackSlot* slot = code.addStackSlot(sizeof(int32_t) * regs.size(), StackSlotKind::Locked);
for (unsigned i = 0; i < regs.size(); ++i)
root->append(Move32, nullptr, Tmp(regs[i]), Arg::stack(slot, i * sizeof(int32_t)));
Vector<int32_t> things(regs.size(), 666);
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things[0])), base);
for (unsigned i = 0; i < regs.size(); ++i) {
root->append(Move32, nullptr, Arg::stack(slot, i * sizeof(int32_t)), Tmp(GPRInfo::regT0));
root->append(Move32, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, i * sizeof(int32_t)));
}
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 35 + static_cast<int32_t>(regs.size()) - 1);
for (unsigned i = 1; i < regs.size(); ++i)
CHECK(things[i] == 35 + static_cast<int32_t>(i) - 1);
}
#if USE(JSVALUE64)
void testShuffleSimpleSwap64()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 10000000000000000ll, Tmp(GPRInfo::regT0));
loadConstant(root, 20000000000000000ll, Tmp(GPRInfo::regT1));
loadConstant(root, 30000000000000000ll, Tmp(GPRInfo::regT2));
loadConstant(root, 40000000000000000ll, Tmp(GPRInfo::regT3));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT3), Arg::widthArg(Width64),
Tmp(GPRInfo::regT3), Tmp(GPRInfo::regT2), Arg::widthArg(Width64));
int64_t things[4];
Tmp base = code.newTmp(GP);
root->append(Move, nullptr, Arg::bigImm(bitwise_cast<intptr_t>(&things)), base);
root->append(Move, nullptr, Tmp(GPRInfo::regT0), Arg::addr(base, 0 * sizeof(int64_t)));
root->append(Move, nullptr, Tmp(GPRInfo::regT1), Arg::addr(base, 1 * sizeof(int64_t)));
root->append(Move, nullptr, Tmp(GPRInfo::regT2), Arg::addr(base, 2 * sizeof(int64_t)));
root->append(Move, nullptr, Tmp(GPRInfo::regT3), Arg::addr(base, 3 * sizeof(int64_t)));
root->append(Move, nullptr, Arg::imm(0), Tmp(GPRInfo::returnValueGPR));
root->append(Ret32, nullptr, Tmp(GPRInfo::returnValueGPR));
memset(things, 0, sizeof(things));
CHECK(!compileAndRun<int>(proc));
CHECK(things[0] == 10000000000000000ll);
CHECK(things[1] == 20000000000000000ll);
CHECK(things[2] == 40000000000000000ll);
CHECK(things[3] == 30000000000000000ll);
}
void testShuffleSimpleShift64()
{
B3::Procedure proc;
Code& code = proc.code();
BasicBlock* root = code.addBlock();
loadConstant(root, 10000000000000000ll, Tmp(GPRInfo::regT0));
loadConstant(root, 20000000000000000ll, Tmp(GPRInfo::regT1));
loadConstant(root, 30000000000000000ll, Tmp(GPRInfo::regT2));
loadConstant(root, 40000000000000000ll, Tmp(GPRInfo::regT3));
loadConstant(root, 50000000000000000ll, Tmp(GPRInfo::regT4));
root->append(
Shuffle, nullptr,
Tmp(GPRInfo::regT2), Tmp(GPRInfo::regT3), Arg::widthArg(Width64),