61 lines
1.5 KiB
ArmAsm
61 lines
1.5 KiB
ArmAsm
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
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// SPDX-License-Identifier: BSD-3-Clause
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// Seed corpus for FuzzAssembleLOONG64: the shuffle/permute immediate family.
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// VSHUF4I.B/H/W take a ui8 packing two position nibbles; VSHUF4I.V is
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// range-gated to 0..15 although its field is ui8, the same gate the
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// toolchain keeps. VPERMI.W and the VEXTRINS pack an element index and an
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// insert/extract order in one ui8.
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#include "textflag.h"
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TEXT ·shuf4(SB), NOSPLIT, $0
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VSHUF4IB $0, V2, V1
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VSHUF4IB $16, V2, V1
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VSHUF4IB $255, V2, V1
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VSHUF4IH $0, V2, V1
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VSHUF4IH $128, V2, V1
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VSHUF4IH $255, V2, V1
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VSHUF4IW $0, V2, V1
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VSHUF4IW $96, V2, V1
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VSHUF4IW $255, V2, V1
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VSHUF4IV $0, V2, V1
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VSHUF4IV $8, V2, V1
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VSHUF4IV $15, V2, V1
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RET
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TEXT ·shuf4X(SB), NOSPLIT, $0
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XVSHUF4IB $0, X2, X1
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XVSHUF4IB $255, X2, X1
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XVSHUF4IH $255, X2, X1
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XVSHUF4IW $255, X2, X1
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XVSHUF4IV $0, X2, X1
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XVSHUF4IV $15, X2, X1
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RET
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TEXT ·permi(SB), NOSPLIT, $0
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VPERMIW $0, V2, V1
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VPERMIW $255, V2, V1
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XVPERMIW $0, X2, X1
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XVPERMIW $255, X2, X1
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XVPERMIV $0, X2, X1
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XVPERMIV $255, X2, X1
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XVPERMIQ $0, X2, X1
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XVPERMIQ $255, X2, X1
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RET
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TEXT ·extrins(SB), NOSPLIT, $0
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VEXTRINSB $0, V2, V1
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VEXTRINSB $255, V2, V1
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VEXTRINSH $0, V2, V1
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VEXTRINSH $255, V2, V1
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VEXTRINSW $0, V2, V1
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VEXTRINSW $255, V2, V1
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VEXTRINSV $0, V2, V1
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VEXTRINSV $255, V2, V1
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XVEXTRINSB $0, X2, X1
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XVEXTRINSB $255, X2, X1
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XVEXTRINSH $255, X2, X1
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XVEXTRINSW $255, X2, X1
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XVEXTRINSV $255, X2, X1
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RET
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