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Re: [ft-devel] Fw: details on iPhone exploit caused by FreeType?
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From: |
Алексей Подтележников |
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Subject: |
Re: [ft-devel] Fw: details on iPhone exploit caused by FreeType? |
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Date: |
Fri, 15 Jul 2011 14:09:32 -0400 |
> To look from the machine POV: There are logical and arithmetical shift
> instructions. The logical ones to the right thing for unsigned
> numbers, the arithmetical for signed ones. If shifting to the left,
> both are identical. If shifting right, the difference is whether the
> new bits shifted in are filled with zero or a copy of the previously
> leftmost bit.
Thank you. I learned something here.