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 -durN gcc-4.2.1.orig/gcc/stmt.c gcc-4.2.1/gcc/stmt.c
2 --- gcc-4.2.1.orig/gcc/stmt.c 2007-07-19 05:25:32.000000000 +0200
3 +++ gcc-4.2.1/gcc/stmt.c 2007-08-03 20:37:19.000000000 +0200
6 = (TREE_CODE (orig_type) != ENUMERAL_TYPE
7 && estimate_case_costs (case_list));
8 - balance_case_nodes (&case_list, NULL);
9 + /* When optimizing for size, we want a straight list to avoid
10 + jumps as much as possible. This basically creates an if-else
13 + balance_case_nodes (&case_list, NULL);
14 emit_case_nodes (index, case_list, default_label, index_type);
15 emit_jump (default_label);
19 if (!node_has_low_bound (node, index_type))
21 + if (!optimize_size) /* don't jl to the .default_label. */
22 emit_cmp_and_jump_insns (index,