28 lines
814 B
ArmAsm
28 lines
814 B
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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// Differential kernel for the loong64 register-pair spellings: a top-level
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// colon between two registers splits the operand in two with the halves
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// swapped, so R4:R5 encodes exactly as R5, R4. The integer multiply and
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// divide families, the FP pair and the vector pair, each the way
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// GOARCH=loong64 go tool asm takes them.
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#include "textflag.h"
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TEXT ·pairs(SB), NOSPLIT, $0-0
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MULV R4 : R5, R6
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MULV R4 : R5
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MULV R6, R4 : R5
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DIVV R4 : R5, R6
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DIVVU R4 : R5, R6
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MULHV R4 : R5, R6
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MULHVU R4 : R5, R6
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ADDV R4 : R5, R6
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ADDW R4 : R5, R6
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AND R4 : R5, R6
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OR R4 : R5, R6
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XOR R4 : R5, R6
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MOVV R4 : R5
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MULD F4 : F5, F6
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VADDW V1 : V2, V3
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RET
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