/* 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) |