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Re: [PATCH 4.8 v2, i386]: Make CCZ mode compatible with CCGOC and CCGO modes


On 02/07/2012 08:37 AM, Uros Bizjak wrote:
> On Tue, Feb 7, 2012 at 1:59 PM, Uros Bizjak <ubizjak@gmail.com> wrote:
> 
>> Attached patch declares CCZmode compatible with CCGOC, CCGO and CCNO modes.
> 
> Actually, CCZ mode is not compatible with CCNO mode, since the later
> only declares that overflow flag is not set. CCGOC and CCGO declare
> garbage in overflow (and carry in case of CCGOC) flag, so implicitly
> declare that CCZ flag is valid. Following this reasoning, CCZ mode
> should be compatible with CCGOC and CCGO modes.

We should probably fix this confusion by renaming the modes so that
they're all positive:

  CCNO		-> CCCSZ
  CCGC		-> CCOSZ
  CCGOC		-> CCSZ


r~


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