GCC-How does the coding style affect the insv pattern recognization?

fanqifei fanqifei@gmail.com
Thu Jan 14 04:52:00 GMT 2010


2010/1/13 Bingfeng Mei <bmei@broadcom.com>:
> OOPs, I don't know that. Anyway, I won't count on GCC to
> reliably pick up these complex patterns.  In our port, we
> implemented clz/ffs/etc as intrinsics though they are present as
> standard patterns.
>
> Bingfeng
Could you please show me the path of the source code that implement
clz/ffs intrinsics of your processor?
I would like to take it as a reference.
Thank very much!

Qifei Fan



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