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sortix--sortix/libm/arch/x86_64/fabs.S

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ArmAsm
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/* $NetBSD: fabs.S,v 1.3 2004/03/23 17:11:35 drochner Exp $ */
#include <machine/asm.h>
#if defined(LIBC_SCCS)
RCSID("$NetBSD: fabs.S,v 1.3 2004/03/23 17:11:35 drochner Exp $")
#endif
.section .rodata
.align 8
__signmask:
.long 0xffffffff
.long 0x7fffffff
ENTRY(fabs)
movsd __signmask(%rip),%xmm1
andpd %xmm1,%xmm0
ret