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How to trigger ffsdi2?
- From: Falk Hueffner <falk dot hueffner at student dot uni-tuebingen dot de>
- To: gcc at gcc dot gnu dot org
- Date: 22 Jan 2003 22:56:03 +0100
- Subject: How to trigger ffsdi2?
Hi,
I can't seem to find a way to trigger the ffsdi2 pattern, i. e. the
64-bit variation of ffs. There's no __builtin_ffsl or __builtin_ffsll
or similar, and __builtin_ffs used on a long long will convert it to
int first. Any hints?
--
Falk