0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
22 lines
387 B
ArmAsm
22 lines
387 B
ArmAsm
/*
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* Written by J.T. Conklin <jtc@NetBSD.org>.
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* Public domain.
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*/
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#include <machine/asm.h>
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#if defined(LIBC_SCCS)
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RCSID("$NetBSD: ffs.S,v 1.2 2014/03/22 19:38:46 jakllsch Exp $")
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#endif
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ENTRY(ffs)
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bsfl 4(%esp),%eax
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jz L1 /* ZF is set if all bits are 0 */
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incl %eax /* bits numbered from 1, not 0 */
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ret
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_ALIGN_TEXT
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L1: xorl %eax,%eax /* clear result */
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ret
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END(ffs)
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