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48 lines
2.3 KiB
ObjectPascal
48 lines
2.3 KiB
ObjectPascal
{ %CPU=i386,x86_64 }
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{ %OPT=-O3 -CpCOREAVX2 -OpCOREAVX2 }
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{$R-}
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program tbzhi1b;
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uses
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cpu;
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function MaskOut(var Input: LongInt; Index: Byte): LongInt; noinline;
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begin
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MaskOut := Input and ((1 shl Index) - 1);
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end;
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const
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Inputs: array[0..3] of LongInt = (0, LongInt($FFFFFFFF), $12345678, LongInt($87654321));
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Expected: array[0..3] of array[0..31] of LongInt =
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(
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($00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000, $00000000),
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($00000000, $00000001, $00000003, $00000007, $0000000F, $0000001F, $0000003F, $0000007F, $000000FF, $000001FF, $000003FF, $000007FF, $00000FFF, $00001FFF, $00003FFF, $00007FFF, $0000FFFF, $0001FFFF, $0003FFFF, $0007FFFF, $000FFFFF, $001FFFFF, $003FFFFF, $007FFFFF, $00FFFFFF, $01FFFFFF, $03FFFFFF, $07FFFFFF, $0FFFFFFF, $1FFFFFFF, $3FFFFFFF, $7FFFFFFF),
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($00000000, $00000000, $00000000, $00000000, $00000008, $00000018, $00000038, $00000078, $00000078, $00000078, $00000278, $00000678, $00000678, $00001678, $00001678, $00005678, $00005678, $00005678, $00005678, $00045678, $00045678, $00145678, $00345678, $00345678, $00345678, $00345678, $02345678, $02345678, $02345678, $12345678, $12345678, $12345678),
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($00000000, $00000001, $00000001, $00000001, $00000001, $00000001, $00000021, $00000021, $00000021, $00000121, $00000321, $00000321, $00000321, $00000321, $00000321, $00004321, $00004321, $00014321, $00014321, $00054321, $00054321, $00054321, $00254321, $00654321, $00654321, $01654321, $03654321, $07654321, $07654321, $07654321, $07654321, $07654321)
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);
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var
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X: Byte;
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Y: Integer;
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Output: LongInt;
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begin
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if avx2support then
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begin
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for Y := Low(Inputs) to High(Inputs) do
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for X := 0 to 31 do
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begin
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Output := MaskOut(Inputs[Y], X);
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if Output <> Expected[Y][X] then
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begin
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WriteLn('FAIL: $', HexStr(Inputs[Y], 8), ' and ((1 shl ', X, ') - 1) returned $', HexStr(Output, 8), '; expected $', HexStr(Expected[Y][X], 8));
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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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else
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writeln('CPU does not support AVX2 extension');
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end.
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