f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
19 lines
342 B
ArmAsm
19 lines
342 B
ArmAsm
/* Written by Anders Magnusson. Public Domain */
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#include <machine/asm.h>
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RCSID("$NetBSD: bswap64.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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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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END(bswap64)
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