arm/ffs.S: remove stale comment.
We already use the CLZ instruction. Discussed with: andrew
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2020-12-20 02:59:44 +00:00
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@ -40,9 +40,6 @@ __FBSDID("$FreeBSD$");
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* 6 bits as an index into the table. This algorithm should be a win
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* 6 bits as an index into the table. This algorithm should be a win
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* over the checking each bit in turn as per the C compiled version.
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* over the checking each bit in turn as per the C compiled version.
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*
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*
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* under ARMv5 there's an instruction called CLZ (count leading Zero's) that
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* could be used
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*
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* This is the ffs algorithm devised by d.seal and posted to comp.sys.arm on
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* This is the ffs algorithm devised by d.seal and posted to comp.sys.arm on
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* 16 Feb 1994.
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* 16 Feb 1994.
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*/
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*/
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