/* Written by Anders Magnusson. Public Domain */

#include <machine/asm.h>

RCSID("$NetBSD: bswap64.S,v 1.3 2011/01/25 04:45:28 matt Exp $")

ENTRY(bswap64, 0)
       movq 4(%ap),%r3
       rotl $-8,%r3,%r1
       insv %r1,$16,$8,%r1
       rotl $8,%r3,%r2
       movb %r2,%r1
       rotl $-8,%r4,%r0
       insv %r0,$16,$8,%r0
       rotl $8,%r4,%r2
       movb %r2,%r0
       ret
END(bswap64)

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