[linuxsh-dev] SH3 2.6.15 compile error (fwd)

Robert P. J. Day rpjday@mindspring.com
Thu Jan 5 20:00:00 GMT 2006

  the following is from the SH mailing list, and involves a problem
with optimization issues in the newer gcc compiler.  does anyone know
if this has been addressed in the most recent snapshots?  i'm just
about to try to build a toolchain with the gcc-4.2-20051231 snapshot
to see if there's any difference.  thanks.


---------- Forwarded message ----------
Date: Wed, 4 Jan 2006 23:09:50 -0500
From: xxxxxxxxxxxxxxxxx
To: linuxsh-dev@lists.sourceforge.net
Subject: [linuxsh-dev] SH3 2.6.15 compile error

Using Crosstool-38 with GCC-4.0.1 to compile 2.6.15, I received the following:

kernel/built-in.o: In function `__xchg':
signal.c:(.text+0xb2c0): undefined reference to `__xchg_called_with_bad_pointer'
make: *** [.tmp_vmlinux1] Error 1

Googling turned up the possibility of GCC optimization issues causing
xchg() errors.  I did not experience this with 2.6.14.  Any thoughts?

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