[avr-libc-dev] [bug #32945] Wrong PF implementation in pmstring

[Thomas Kaiser]

URL:
  <http://savannah.nongnu.org/bugs/?32945>

                 Summary: Wrong PF implementation in pmstring
                 Project: AVR C Runtime Library
            Submitted by: th_k
            Submitted on: Di 29 Mär 2011 18:05:42 GMT
                Category: Library
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: libc code
                  Status: None
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 1.7.*
           Fixed Release: None

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Details:

It looks like that the pmstring code uses the LPM_R0_ZPLUS_* macros von
common/macros.inc, which will only use the 'elpm' if __AVR_ENHANCED__ is set.
Unfortunately this is no longer used??

Therefore memcmp_PF etc. don't work with atmega1284p or probably other 128k
devices.

As I'm not familiar with the setting of flags for the family avr51 I have no
idea for a path




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