You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
4.3 KiB
119 lines
4.3 KiB
// 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.
|
|
|
|
#include "test-runner.h"
|
|
|
|
// TODO: Add unit tests for operands on AArch64
|
|
// TODO: It would be nice to have negative tests here too.
|
|
|
|
#ifdef VIXL_INCLUDE_TARGET_AARCH32
|
|
#include "aarch32/operands-aarch32.h"
|
|
#endif
|
|
|
|
#define TEST_AARCH32(name) TEST_(AARCH32_OPERANDS_##name)
|
|
|
|
namespace vixl {
|
|
|
|
#ifdef VIXL_INCLUDE_TARGET_AARCH32
|
|
TEST_AARCH32(operand_from) {
|
|
// Test signed and unsigned values.
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(42);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == 42);
|
|
VIXL_CHECK(op.GetSignedImmediate() == 42);
|
|
}
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(-42);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == (~UINT32_C(42) + 1));
|
|
VIXL_CHECK(op.GetSignedImmediate() == -42);
|
|
}
|
|
|
|
// Test with 32-bit integer limits.
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(-1);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == UINT32_MAX);
|
|
VIXL_CHECK(op.GetSignedImmediate() == -1);
|
|
}
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(UINT32_MAX);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == UINT32_MAX);
|
|
VIXL_CHECK(op.GetSignedImmediate() == -1);
|
|
}
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(INT32_MAX);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == 0x7fffffffu);
|
|
VIXL_CHECK(op.GetSignedImmediate() == INT32_MAX);
|
|
}
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(INT32_MIN);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == 0x80000000u);
|
|
VIXL_CHECK(op.GetSignedImmediate() == INT32_MIN);
|
|
}
|
|
|
|
// Test with 64-bit signed numbers encodable in 32 bits.
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(INT64_C(-1));
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == UINT32_MAX);
|
|
VIXL_CHECK(op.GetSignedImmediate() == -1);
|
|
}
|
|
{
|
|
aarch32::Operand op = aarch32::Operand::From(INT64_C(-42));
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == (~UINT32_C(42) + 1));
|
|
VIXL_CHECK(op.GetSignedImmediate() == -42);
|
|
}
|
|
|
|
#if defined(VIXL_HOST_POINTER_32)
|
|
// Test with a pointer that is known to fit into 32 bits.
|
|
{
|
|
int data = 42;
|
|
aarch32::Operand op = aarch32::Operand::From(&data);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == reinterpret_cast<uintptr_t>(&data));
|
|
VIXL_CHECK(op.GetSignedImmediate() == reinterpret_cast<intptr_t>(&data));
|
|
}
|
|
{
|
|
int* data = new int;
|
|
*data = 42;
|
|
aarch32::Operand op = aarch32::Operand::From(data);
|
|
VIXL_CHECK(op.IsImmediate());
|
|
VIXL_CHECK(op.GetImmediate() == reinterpret_cast<uintptr_t>(data));
|
|
VIXL_CHECK(op.GetSignedImmediate() == reinterpret_cast<intptr_t>(data));
|
|
delete data;
|
|
}
|
|
#endif
|
|
}
|
|
#endif // VIXL_INCLUDE_TARGET_AARCH32
|
|
|
|
} // namespace vixl
|