1/* Written by Anders Magnusson. Public Domain */ 2 3#include <machine/asm.h> 4 5RCSID("$NetBSD: bswap64.S,v 1.2 2005/12/24 08:33:32 matt Exp $") 6 7ENTRY(bswap64, 0) 8 movq 4(%ap),%r3 9 rotl $-8,%r3,%r1 10 insv %r1,$16,$8,%r1 11 rotl $8,%r3,%r2 12 movb %r2,%r1 13 rotl $-8,%r4,%r0 14 insv %r0,$16,$8,%r0 15 rotl $8,%r4,%r2 16 movb %r2,%r0 17 ret 18END(bswap64) 19