Text file src/vendor/golang.org/x/crypto/curve25519/cswap_amd64.s

     1	// Copyright 2012 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	// +build amd64,!gccgo,!appengine
     6	
     7	// func cswap(inout *[4][5]uint64, v uint64)
     8	TEXT ·cswap(SB),7,$0
     9		MOVQ inout+0(FP),DI
    10		MOVQ v+8(FP),SI
    11	
    12		SUBQ $1, SI
    13		NOTQ SI
    14		MOVQ SI, X15
    15		PSHUFD $0x44, X15, X15
    16	
    17		MOVOU 0(DI), X0
    18		MOVOU 16(DI), X2
    19		MOVOU 32(DI), X4
    20		MOVOU 48(DI), X6
    21		MOVOU 64(DI), X8
    22		MOVOU 80(DI), X1
    23		MOVOU 96(DI), X3
    24		MOVOU 112(DI), X5
    25		MOVOU 128(DI), X7
    26		MOVOU 144(DI), X9
    27	
    28		MOVO X1, X10
    29		MOVO X3, X11
    30		MOVO X5, X12
    31		MOVO X7, X13
    32		MOVO X9, X14
    33	
    34		PXOR X0, X10
    35		PXOR X2, X11
    36		PXOR X4, X12
    37		PXOR X6, X13
    38		PXOR X8, X14
    39		PAND X15, X10
    40		PAND X15, X11
    41		PAND X15, X12
    42		PAND X15, X13
    43		PAND X15, X14
    44		PXOR X10, X0
    45		PXOR X10, X1
    46		PXOR X11, X2
    47		PXOR X11, X3
    48		PXOR X12, X4
    49		PXOR X12, X5
    50		PXOR X13, X6
    51		PXOR X13, X7
    52		PXOR X14, X8
    53		PXOR X14, X9
    54	
    55		MOVOU X0, 0(DI)
    56		MOVOU X2, 16(DI)
    57		MOVOU X4, 32(DI)
    58		MOVOU X6, 48(DI)
    59		MOVOU X8, 64(DI)
    60		MOVOU X1, 80(DI)
    61		MOVOU X3, 96(DI)
    62		MOVOU X5, 112(DI)
    63		MOVOU X7, 128(DI)
    64		MOVOU X9, 144(DI)
    65		RET

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