46 lines
2.2 KiB
C#
46 lines
2.2 KiB
C#
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using ARMeilleure.CodeGen.Arm64;
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using NUnit.Framework;
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namespace Ryujinx.Tests.Cpu
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{
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public class Arm64CodeGenCommonTests
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{
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public struct TestCase
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{
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public ulong Value;
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public bool Valid;
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public int ImmN;
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public int ImmS;
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public int ImmR;
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}
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public static readonly TestCase[] TestCases =
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{
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new() { Value = 0, Valid = false, ImmN = 0, ImmS = 0, ImmR = 0 },
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new() { Value = 0x970977f35f848714, Valid = false, ImmN = 0, ImmS = 0, ImmR = 0 },
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new() { Value = 0xffffffffffffffff, Valid = false, ImmN = 0, ImmS = 0, ImmR = 0 },
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new() { Value = 0x5555555555555555, Valid = true, ImmN = 0, ImmS = 0x3c, ImmR = 0 },
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new() { Value = 0xaaaaaaaaaaaaaaaa, Valid = true, ImmN = 0, ImmS = 0x3c, ImmR = 1 },
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new() { Value = 0x6666666666666666, Valid = true, ImmN = 0, ImmS = 0x39, ImmR = 3 },
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new() { Value = 0x1c1c1c1c1c1c1c1c, Valid = true, ImmN = 0, ImmS = 0x32, ImmR = 6 },
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new() { Value = 0x0f0f0f0f0f0f0f0f, Valid = true, ImmN = 0, ImmS = 0x33, ImmR = 0 },
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new() { Value = 0xf1f1f1f1f1f1f1f1, Valid = true, ImmN = 0, ImmS = 0x34, ImmR = 4 },
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new() { Value = 0xe7e7e7e7e7e7e7e7, Valid = true, ImmN = 0, ImmS = 0x35, ImmR = 3 },
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new() { Value = 0xc001c001c001c001, Valid = true, ImmN = 0, ImmS = 0x22, ImmR = 2 },
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new() { Value = 0x0000038000000380, Valid = true, ImmN = 0, ImmS = 0x02, ImmR = 25 },
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new() { Value = 0xffff8fffffff8fff, Valid = true, ImmN = 0, ImmS = 0x1c, ImmR = 17 },
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new() { Value = 0x000000000ffff800, Valid = true, ImmN = 1, ImmS = 0x10, ImmR = 53 },
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};
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[Test]
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public void BitImmTests([ValueSource(nameof(TestCases))] TestCase test)
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{
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bool valid = CodeGenCommon.TryEncodeBitMask(test.Value, out int immN, out int immS, out int immR);
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Assert.That(valid, Is.EqualTo(test.Valid));
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Assert.That(immN, Is.EqualTo(test.ImmN));
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Assert.That(immS, Is.EqualTo(test.ImmS));
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Assert.That(immR, Is.EqualTo(test.ImmR));
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}
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}
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}
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