b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
20 lines
407 B
ArmAsm
20 lines
407 B
ArmAsm
/* Written by Anders Magnusson. Public Domain */
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#if defined(LIBC_SCCS) && !defined(lint)
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.asciz "$NetBSD: bswap64.S,v 1.2 2005/12/24 08:33:32 matt Exp $"
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#endif /* LIBC_SCCS and not lint */
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#include <machine/asm.h>
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ENTRY(bswap64, 0)
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movq 4(%ap),%r3
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rotl $-8,%r3,%r1
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insv %r1,$16,$8,%r1
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rotl $8,%r3,%r2
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movb %r2,%r1
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rotl $-8,%r4,%r0
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insv %r0,$16,$8,%r0
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rotl $8,%r4,%r2
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movb %r2,%r0
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ret
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