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[Spectre <908508@xxxxxxxxxxxxxxxxxx>]

We're now using a PPC macroassembler in TenFourFox (in our Google Code,
this is issue 96). The reason I haven't pushed this upstream yet is
because one of our contributors has an idea about reworking branching
for better performance, and we are also implementing a software square
root for PPCs that only have reciprocal square root estimates. Once this
work is done, I'll put it up for review.

That isn't going to be all you would need to do for OpenBSD/powerpc,
however. We also have some integration pieces to connect it to YarrJIT
which are specific to the OS X ABI (I'm not going to bother with those
since Mozilla doesn't support OS X PPC anymore) and in fact our
prologue, epilogue and certain modifications to the methodjit assume OS
X ABI and OpenBSD (IIRC) is SysV. Some Linux users who were looking at
importing our nanojit are running into the same problem. Feel free to
contact me privately if you want more information on this.

The long and short of it is, you should wait for the macroassembler bug
to be posted by me (ETA a month or two), and then make whatever changes
need to be made to YarrJIT. For now you're stuck with the YARR
interpreter, sucky as it is.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to thunderbird in Ubuntu.
https://bugs.launchpad.net/bugs/908508

Title:
  Firefox/Thunderbird 10 FTBFS on powerpc in js/src/yarr/pcre

Status in The Mozilla Firefox Browser:
  In Progress
Status in “firefox” package in Ubuntu:
  Fix Released
Status in “thunderbird” package in Ubuntu:
  Fix Released

Bug description:
  Debian has the fix, so I'll add it to the branch and it should work
  with the next upload.

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