Re: Why is UInt32 << 32 a no-op?
Re: Why is UInt32 << 32 a no-op?
- Subject: Re: Why is UInt32 << 32 a no-op?
- From: Jens Ayton <email@hidden>
- Date: Tue, 17 Nov 2009 23:34:59 +0100
On Nov 17, 2009, at 23:28, Jonas Maebe wrote:
>
>
> rlwnm cannot be used for a variable shift left on ppc (since MB and ME are constants). You have to use slw instead, and that one makes the result 0 if bit 58 is 1 (IBM always numbers bits starting from the most significant bit, so that bit corresponds to 1 << 5).
Oops! Good catch, thanks.
--
Jens Ayton
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