Workaround for "PowerPC-8xx CPU15 errata" (whatever that might be).
Patch by Nye LIU: http://sourceware.org/ml/crossgcc/2009-05/msg00014.html
-------- diffstat follows --------
/trunk/patches/eglibc/2_9/100-powerpc-8xx-CPU15-errata.patch | 49 49 0 0 ++++++++++++++++++
/trunk/scripts/build/libc/eglibc.sh | 10 9 1 0 +++-
2 files changed, 58 insertions(+), 1 deletion(-)
1 Original patch from H.J. Lu, as reported there:
2 http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html
4 fnstsw stores 16bit into %ax. The upper 16bit of %eax is unchanged.
5 The new assembler (binutils-2.18.50.0.4 and up) will disallow "fnstsw %eax".
7 diff -dur glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c
8 --- glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c 2004-03-05 11:14:48.000000000 +0100
9 +++ glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c 2008-06-24 10:56:14.000000000 +0200
12 fetestexcept (int excepts)
18 /* Get current exceptions. */