// Copyright 2016, VIXL 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 ARM Limited 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 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.
// -----------------------------------------------------------------------------
// This file is auto generated from the
// test/aarch32/config/template-simulator-aarch32.cc.in template file using
// tools/generate_tests.py.
//
// PLEASE DO NOT EDIT.
// -----------------------------------------------------------------------------
#include "test-runner.h"
#include "test-utils.h"
#include "test-utils-aarch32.h"
#include "aarch32/assembler-aarch32.h"
#include "aarch32/macro-assembler-aarch32.h"
#include "aarch32/disasm-aarch32.h"
#define __ masm.
#define BUF_SIZE (4096)
#ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
// Run tests with the simulator.
#define SETUP() MacroAssembler masm(BUF_SIZE)
#define START() masm.GetBuffer()->Reset()
#define END() \
__ Hlt(0); \
__ FinalizeCode();
// TODO: Run the tests in the simulator.
#define RUN()
#define TEARDOWN()
#else // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32.
#define SETUP() \
MacroAssembler masm(BUF_SIZE); \
UseScratchRegisterScope harness_scratch(&masm); \
harness_scratch.ExcludeAll();
#define START() \
masm.GetBuffer()->Reset(); \
__ Push(r4); \
__ Push(r5); \
__ Push(r6); \
__ Push(r7); \
__ Push(r8); \
__ Push(r9); \
__ Push(r10); \
__ Push(r11); \
__ Push(lr); \
harness_scratch.Include(ip);
#define END() \
harness_scratch.Exclude(ip); \
__ Pop(lr); \
__ Pop(r11); \
__ Pop(r10); \
__ Pop(r9); \
__ Pop(r8); \
__ Pop(r7); \
__ Pop(r6); \
__ Pop(r5); \
__ Pop(r4); \
__ Bx(lr); \
__ FinalizeCode();
#define RUN() \
{ \
int pcs_offset = masm.IsUsingT32() ? 1 : 0; \
masm.GetBuffer()->SetExecutable(); \
ExecuteMemory(masm.GetBuffer()->GetStartAddress<byte*>(), \
masm.GetSizeOfCodeGenerated(), \
pcs_offset); \
masm.GetBuffer()->SetWritable(); \
}
#define TEARDOWN() harness_scratch.Close();
#endif // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
namespace vixl {
namespace aarch32 {
// List of instruction encodings:
#define FOREACH_INSTRUCTION(M) \
M(Qadd) \
M(Qdadd) \
M(Qdsub) \
M(Qsub)
// The following definitions are defined again in each generated test, therefore
// we need to place them in an anomymous namespace. It expresses that they are
// local to this file only, and the compiler is not allowed to share these types
// across test files during template instantiation. Specifically, `Operands` and
// `Inputs` have various layouts across generated tests so they absolutely
// cannot be shared.
#ifdef VIXL_INCLUDE_TARGET_A32
namespace {
// Values to be passed to the assembler to produce the instruction under test.
struct Operands {
Condition cond;
Register rd;
Register rn;
Register rm;
};
// Input data to feed to the instruction.
struct Inputs {
uint32_t apsr;
uint32_t qbit;
uint32_t ge;
uint32_t rd;
uint32_t rn;
uint32_t rm;
};
// This structure contains all input data needed to test one specific encoding.
// It used to generate a loop over an instruction.
struct TestLoopData {
// The `operands` fields represents the values to pass to the assembler to
// produce the instruction.
Operands operands;
// Description of the operands, used for error reporting.
const char* operands_description;
// Unique identifier, used for generating traces.
const char* identifier;
// Array of values to be fed to the instruction.
size_t input_size;
const Inputs* inputs;
};
static const Inputs kQOutput[] =
{{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007f},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xffff8001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0x80000000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000002},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00000002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00000002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0x7fffffff},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007d},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x55555555},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x00000020},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffffff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xcccccccc},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x80000000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff80},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00007fff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff80},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x7ffffffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x55555555},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xffffffe0},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00000020},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007d},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00007ffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff83},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007d},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff82},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x7fffffff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xfffffffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007f},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffff8002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffffff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xfffffffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xfffffffe},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xfffffffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00000002},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0x0000007e},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffe, 0x7ffffffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00000020},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x00000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x0000007e},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x7ffffffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xfffffffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x33333333},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007fff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffffff83},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xcccccccc},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xffffffe0},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x00000020},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8002},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x7ffffffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x80000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x0000007f},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007fff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x33333333},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00007ffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x7fffffff},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00007ffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x33333333},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff82},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8002},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007d},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xaaaaaaaa},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x33333333},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffffff83},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x7ffffffe},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff81},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007d},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0xffff8000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00000000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x80000000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000020},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x00000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xaaaaaaaa},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x33333333},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00000020},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffffe0},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000002},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7fffffff},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0x7ffffffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00007ffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0x00007fff},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xfffffffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x55555555},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007e},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff80},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xaaaaaaaa},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xffffff82},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffff8003},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffffff80},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x0000007f},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xffffffe0},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x0000007f},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffffe0},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffffff83},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00007ffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x80000000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffff8001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff81},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8002, 0xfffffffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x0000007f},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xcccccccc},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x00000002},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x7ffffffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007fff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x55555555},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffff8001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x55555555},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffff8003},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff81},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x7ffffffe},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007fff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x7ffffffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xfffffffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0x0000007f},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xfffffffe},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x80000000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x7ffffffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8002},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0x00000001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffffffe0},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x7fffffff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffffe0},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffd},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007f},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x00000000},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x80000000},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x00007ffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7ffffffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00007fff},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8003},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff82},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x80000001},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x33333333},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x7fffffff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000002},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff81},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x80000001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffffff},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8001},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffff81},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007f},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xaaaaaaaa},
{NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0xffffff80},
{NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020},
{NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020}};
// A loop will be generated for each element of this array.
const TestLoopData kTests[] = {{{al, r0, r9, r10},
"al r0 r9 r10",
"QOutput_al_r0_r9_r10",
ARRAY_SIZE(kQOutput),
kQOutput}};
// We record all inputs to the instructions as outputs. This way, we also check
// that what shouldn't change didn't change.
struct TestResult {
size_t output_size;
const Inputs* outputs;
};
// These headers each contain an array of `TestResult` with the reference output
// values. The reference arrays are names `kReference{mnemonic}`.
#include "aarch32/traces/simulator-cond-rd-rn-rm-a32-q-qadd.h"
#include "aarch32/traces/simulator-cond-rd-rn-rm-a32-q-qdadd.h"
#include "aarch32/traces/simulator-cond-rd-rn-rm-a32-q-qdsub.h"
#include "aarch32/traces/simulator-cond-rd-rn-rm-a32-q-qsub.h"
// The maximum number of errors to report in detail for each test.
const unsigned kErrorReportLimit = 8;
typedef void (MacroAssembler::*Fn)(Condition cond,
Register rd,
Register rn,
Register rm);
void TestHelper(Fn instruction,
const char* mnemonic,
const TestResult reference[]) {
SETUP();
masm.UseA32();
START();
// Data to compare to `reference`.
TestResult* results[ARRAY_SIZE(kTests)];
// Test cases for memory bound instructions may allocate a buffer and save its
// address in this array.
byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
// Generate a loop for each element in `kTests`. Each loop tests one specific
// instruction.
for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
// Allocate results on the heap for this test.
results[i] = new TestResult;
results[i]->outputs = new Inputs[kTests[i].input_size];
results[i]->output_size = kTests[i].input_size;
size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
VIXL_ASSERT(IsUint32(input_stride));
scratch_memory_buffers[i] = NULL;
Label loop;
UseScratchRegisterScope scratch_registers(&masm);
// Include all registers from r0 ro r12.
scratch_registers.Include(RegisterList(0x1fff));
// Values to pass to the macro-assembler.
Condition cond = kTests[i].operands.cond;
Register rd = kTests[i].operands.rd;
Register rn = kTests[i].operands.rn;
Register rm = kTests[i].operands.rm;
scratch_registers.Exclude(rd);
scratch_registers.Exclude(rn);
scratch_registers.Exclude(rm);
// Allocate reserved registers for our own use.
Register input_ptr = scratch_registers.Acquire();
Register input_end = scratch_registers.Acquire();
Register result_ptr = scratch_registers.Acquire();
// Initialize `input_ptr` to the first element and `input_end` the address
// after the array.
__ Mov(input_ptr, Operand::From(kTests[i].inputs));
__ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
__ Mov(result_ptr, Operand::From(results[i]->outputs));
__ Bind(&loop);
{
UseScratchRegisterScope temp_registers(&masm);
Register nzcv_bits = temp_registers.Acquire();
Register saved_q_bit = temp_registers.Acquire();
// Save the `Q` bit flag.
__ Mrs(saved_q_bit, APSR);
__ And(saved_q_bit, saved_q_bit, QFlag);
// Set the `NZCV` and `Q` flags together.
__ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
__ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
__ Msr(APSR_nzcvq, nzcv_bits);
}
{
UseScratchRegisterScope temp_registers(&masm);
Register q_bit = temp_registers.Acquire();
Register saved_nzcv_bits = temp_registers.Acquire();
// Save the `NZCV` flags.
__ Mrs(saved_nzcv_bits, APSR);
__ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
// Set the `NZCV` and `Q` flags together.
__ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
__ Orr(q_bit, q_bit, saved_nzcv_bits);
__ Msr(APSR_nzcvq, q_bit);
}
{
UseScratchRegisterScope temp_registers(&masm);
Register ge_bits = temp_registers.Acquire();
__ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
__ Msr(APSR_g, ge_bits);
}
__ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
__ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
__ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
(masm.*instruction)(cond, rd, rn, rm);
{
UseScratchRegisterScope temp_registers(&masm);
Register nzcv_bits = temp_registers.Acquire();
__ Mrs(nzcv_bits, APSR);
// Only record the NZCV bits.
__ And(nzcv_bits, nzcv_bits, NZCVFlag);
__ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
}
{
UseScratchRegisterScope temp_registers(&masm);
Register q_bit = temp_registers.Acquire();
__ Mrs(q_bit, APSR);
// Only record the Q bit.
__ And(q_bit, q_bit, QFlag);
__ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
}
{
UseScratchRegisterScope temp_registers(&masm);
Register ge_bits = temp_registers.Acquire();
__ Mrs(ge_bits, APSR);
// Only record the GE bits.
__ And(ge_bits, ge_bits, GEFlags);
__ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
}
__ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
__ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
__ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
// Advance the result pointer.
__ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
// Loop back until `input_ptr` is lower than `input_base`.
__ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
__ Cmp(input_ptr, input_end);
__ B(ne, &loop);
}
END();
RUN();
if (Test::generate_test_trace()) {
// Print the results.
for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
printf("const Inputs kOutputs_%s_%s[] = {\n",
mnemonic,
kTests[i].identifier);
for (size_t j = 0; j < results[i]->output_size; j++) {
printf(" { ");
printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
printf(", ");
printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
printf(", ");
printf("0x%08" PRIx32, results[i]->outputs[j].ge);
printf(", ");
printf("0x%08" PRIx32, results[i]->outputs[j].rd);
printf(", ");
printf("0x%08" PRIx32, results[i]->outputs[j].rn);
printf(", ");
printf("0x%08" PRIx32, results[i]->outputs[j].rm);
printf(" },\n");
}
printf("};\n");
}
printf("const TestResult kReference%s[] = {\n", mnemonic);
for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
printf(" {\n");
printf(" ARRAY_SIZE(kOutputs_%s_%s),\n",
mnemonic,
kTests[i].identifier);
printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
printf(" },\n");
}
printf("};\n");
} else if (kCheckSimulatorTestResults) {
// Check the results.
unsigned total_error_count = 0;
for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
bool instruction_has_errors = false;
for (size_t j = 0; j < kTests[i].input_size; j++) {
uint32_t apsr = results[i]->outputs[j].apsr;
uint32_t qbit = results[i]->outputs[j].qbit;
uint32_t ge = results[i]->outputs[j].ge;
uint32_t rd = results[i]->outputs[j].rd;
uint32_t rn = results[i]->outputs[j].rn;
uint32_t rm = results[i]->outputs[j].rm;
uint32_t apsr_input = kTests[i].inputs[j].apsr;
uint32_t qbit_input = kTests[i].inputs[j].qbit;
uint32_t ge_input = kTests[i].inputs[j].ge;
uint32_t rd_input = kTests[i].inputs[j].rd;
uint32_t rn_input = kTests[i].inputs[j].rn;
uint32_t rm_input = kTests[i].inputs[j].rm;
uint32_t apsr_ref = reference[i].outputs[j].apsr;
uint32_t qbit_ref = reference[i].outputs[j].qbit;
uint32_t ge_ref = reference[i].outputs[j].ge;
uint32_t rd_ref = reference[i].outputs[j].rd;
uint32_t rn_ref = reference[i].outputs[j].rn;
uint32_t rm_ref = reference[i].outputs[j].rm;
if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
(rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
(++total_error_count <= kErrorReportLimit)) {
// Print the instruction once even if it triggered multiple failures.
if (!instruction_has_errors) {
printf("Error(s) when testing \"%s %s\":\n",
mnemonic,
kTests[i].operands_description);
instruction_has_errors = true;
}
// Print subsequent errors.
printf(" Input: ");
printf("0x%08" PRIx32, apsr_input);
printf(", ");
printf("0x%08" PRIx32, qbit_input);
printf(", ");
printf("0x%08" PRIx32, ge_input);
printf(", ");
printf("0x%08" PRIx32, rd_input);
printf(", ");
printf("0x%08" PRIx32, rn_input);
printf(", ");
printf("0x%08" PRIx32, rm_input);
printf("\n");
printf(" Expected: ");
printf("0x%08" PRIx32, apsr_ref);
printf(", ");
printf("0x%08" PRIx32, qbit_ref);
printf(", ");
printf("0x%08" PRIx32, ge_ref);
printf(", ");
printf("0x%08" PRIx32, rd_ref);
printf(", ");
printf("0x%08" PRIx32, rn_ref);
printf(", ");
printf("0x%08" PRIx32, rm_ref);
printf("\n");
printf(" Found: ");
printf("0x%08" PRIx32, apsr);
printf(", ");
printf("0x%08" PRIx32, qbit);
printf(", ");
printf("0x%08" PRIx32, ge);
printf(", ");
printf("0x%08" PRIx32, rd);
printf(", ");
printf("0x%08" PRIx32, rn);
printf(", ");
printf("0x%08" PRIx32, rm);
printf("\n\n");
}
}
}
if (total_error_count > kErrorReportLimit) {
printf("%u other errors follow.\n",
total_error_count - kErrorReportLimit);
}
VIXL_CHECK(total_error_count == 0);
} else {
VIXL_WARNING("Assembled the code, but did not run anything.\n");
}
for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
delete[] results[i]->outputs;
delete results[i];
delete[] scratch_memory_buffers[i];
}
TEARDOWN();
}
// Instantiate tests for each instruction in the list.
// TODO: Remove this limitation by having a sandboxing mechanism.
#if defined(VIXL_HOST_POINTER_32)
#define TEST(mnemonic) \
void Test_##mnemonic() { \
TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
} \
Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_A32_Q_" #mnemonic, \
&Test_##mnemonic);
#else
#define TEST(mnemonic) \
void Test_##mnemonic() { \
VIXL_WARNING("This test can only run on a 32-bit host.\n"); \
USE(TestHelper); \
} \
Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_A32_Q_" #mnemonic, \
&Test_##mnemonic);
#endif
FOREACH_INSTRUCTION(TEST)
#undef TEST
} // namespace
#endif
} // namespace aarch32
} // namespace vixl