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 diff -uNpr gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c
2 --- gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c 2007-03-05 11:54:00.000000000 -0500
3 +++ gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c 2008-01-31 17:51:24.000000000 -0500
4 @@ -70,6 +70,8 @@ Software Foundation, 51 Franklin Street,
5 but GCC currently generates poor code when a union is used to turn
6 a long double into a pair of doubles. */
8 +#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
10 long double __gcc_qadd (double, double, double, double);
11 long double __gcc_qsub (double, double, double, double);
12 long double __gcc_qmul (double, double, double, double);
13 @@ -219,8 +221,6 @@ __gcc_qdiv (double a, double b, double c
17 -#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
19 long double __gcc_qneg (double, double);
20 int __gcc_qeq (double, double, double, double);
21 int __gcc_qne (double, double, double, double);