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34 lines
1.0 KiB
ObjectPascal
34 lines
1.0 KiB
ObjectPascal
{ %CPU=AARCH64 }
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program tw40474f;
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{ This test evaluates the correct interpretation of the BIC mnemonic. It is
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supposed to have three operands, but the compiler mistakenly treated it as
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if it only had 2 (and an optional shifter operand) }
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{ Test a = 64-bit registers, immediatre operand (is converted into equivalent machine code for AND) }
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function ClearFirstAndLastBits(const Input: QWord): QWord; assembler; nostackframe;
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asm
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BIC X0, X0, #0x8000000000000001
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end;
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const
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Inputs: array[0..3] of QWord = (1, 2, 3, QWord($FFFFFFFFFFFFFFFF));
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Expected: array[0..3] of QWord = (0, 2, 2, QWord($7FFFFFFFFFFFFFFE));
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var
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Count: Integer;
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Output: QWord;
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begin
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for Count := Low(Inputs) to High(Inputs) do
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begin
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Output := ClearFirstAndLastBits(Inputs[Count]);
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if (Output <> Expected[Count]) then
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begin
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WriteLn('FAIL: BIC($', HexStr(Inputs[Count], 16), ', $80000000000001)... expected $', HexStr(Expected[Count], 16), ' but got $', HexStr(Output, 16));
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Halt(1);
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end;
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end;
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WriteLn('ok');
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end.
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