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Date: Thu, 27 Jan 2005 21:28:03 -0800 (PST)
From: Arne "Wörner" <arne_woerner@yahoo.com>
To: ports@FreeBSD.org
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Subject: devel/mob / builds but crashes
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Hi!

The port
  devel/mob
builds but crashes at run time.

Somehow the current gcc optimizes better than an earlier version,
so that some inline-asm instructions get lost.

I found the following bug fix:
Instead of using the "goto out:" trick to ignore those special
instructions, I used "if (iiii==0) { NOP_BLOCK; RET_BLOCK;
JMP_BLOCK; }" where "iiii" is a global variable, that is
initialized to 1 and never changed (at opt level -O this trick
works fine; -O3 works bad).

Furthermore "mob" does not detect the Athlon XP 2400 data cache
(L1/L2) correctly (it says, there is no data cache, which is most
likely wrong).

Bye
Arne



		
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