ppsspp/unittest/TestRiscVEmitter.cpp
Unknown W. Brackets 216fcb228c riscv: Add a simple unit test.
Since I haven't tried running these yet, at least best to validate...
2022-08-28 06:03:31 -07:00

70 lines
1.8 KiB
C++

// Copyright (c) 2022- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include <cstdio>
#include "Common/CPUDetect.h"
#include "Common/RiscVEmitter.h"
#include "UnitTest.h"
bool TestRiscVEmitter() {
using namespace RiscVGen;
// TODO: Set cpu_info flags.
u32 code[1024];
RiscVEmitter emitter((u8 *)code, (u8 *)code);
emitter.SetAutoCompress(false);
emitter.LUI(X1, 0xFFFFF000);
emitter.AUIPC(X2, 0x70051000);
emitter.JAL(X3, code);
emitter.JALR(X1, X2, -12);
FixupBranch b1 = emitter.JAL(X4);
emitter.SetJumpTarget(b1);
emitter.BEQ(X5, X6, code);
emitter.LB(X7, X8, 42);
emitter.SB(X9, X10, 1337);
emitter.ADDI(X11, X12, 42);
emitter.SLLI(X13, X14, 3);
emitter.ADD(X15, X16, X17);
emitter.FENCE(Fence::RW, Fence::RW);
static constexpr uint32_t expected[] = {
0xfffff0b7,
0x70051117,
0xff9ff1ef,
0xff4100e7,
0x0040026f,
0xfe6286e3,
0x02a40383,
0x52950ca3,
0x02a60593,
0x00371693,
0x011807b3,
0x0330000f,
};
ptrdiff_t len = (u32 *)emitter.GetWritableCodePtr() - code;
EXPECT_EQ_INT(len, ARRAY_SIZE(expected));
for (ptrdiff_t i = 0; i < len; ++i) {
EXPECT_EQ_HEX(code[i], expected[i]);
}
return true;
}