2025-10-09 14:34:22 +08:00
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// Copyright 2025 Sun Yimin. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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//go:build !purego
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#include "textflag.h"
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#define res_ptr R29
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#define x_ptr R30
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#define y_ptr R31
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#define acc0 R8
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#define acc1 R9
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#define acc2 R10
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#define acc3 R11
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#define acc4 R12
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#define acc5 R13
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/* ---------------------------------------*/
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// func p256OrdLittleToBig(res *[32]byte, in *p256OrdElement)
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TEXT ·p256OrdLittleToBig(SB),NOSPLIT,$0
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JMP ·p256BigToLittle(SB)
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/* ---------------------------------------*/
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// func p256OrdBigToLittle(res *p256OrdElement, in *[32]byte)
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TEXT ·p256OrdBigToLittle(SB),NOSPLIT,$0
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JMP ·p256BigToLittle(SB)
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/* ---------------------------------------*/
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// func p256LittleToBig(res *[32]byte, in *p256Element)
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TEXT ·p256LittleToBig(SB),NOSPLIT,$0
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JMP ·p256BigToLittle(SB)
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/* ---------------------------------------*/
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// func p256BigToLittle(res *p256Element, in *[32]byte)
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TEXT ·p256BigToLittle(SB),NOSPLIT,$0
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MOVV res+0(FP), res_ptr
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MOVV in+8(FP), x_ptr
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MOVV (8*0)(x_ptr), acc0
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MOVV (8*1)(x_ptr), acc1
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MOVV (8*2)(x_ptr), acc2
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MOVV (8*3)(x_ptr), acc3
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2025-10-09 14:38:37 +08:00
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REVBV acc0, acc0
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REVBV acc1, acc1
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REVBV acc2, acc2
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REVBV acc3, acc3
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2025-10-09 14:34:22 +08:00
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MOVV acc3, (8*0)(res_ptr)
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MOVV acc2, (8*1)(res_ptr)
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MOVV acc1, (8*2)(res_ptr)
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MOVV acc0, (8*3)(res_ptr)
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RET
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