The RL78 port has 8 bit registers and 16 bit pointers. The existing
calculation resulted in a buffer that was too small for the five
values needed.
* except.c (init_eh): Fix setjmp buffer size calculations for
targets where pointers are not word-sized.
Index: gcc/except.c
===================================================================
--- gcc/except.c (revision 180758)
+++ gcc/except.c (working copy)
@@ -253,13 +253,13 @@ init_eh (void)
also tend to be larger than necessary for most systems, a more
optimal port will define JMP_BUF_SIZE. */
tmp = size_int (FIRST_PSEUDO_REGISTER + 2 - 1);
#endif
#else
/* builtin_setjmp takes a pointer to 5 words. */
- tmp = size_int (5 * BITS_PER_WORD / POINTER_SIZE - 1);
+ tmp = size_int (5 * POINTER_SIZE / BITS_PER_WORD - 1);
#endif
tmp = build_index_type (tmp);
tmp = build_array_type (ptr_type_node, tmp);
f_jbuf = build_decl (BUILTINS_LOCATION,
FIELD_DECL, get_identifier ("__jbuf"), tmp);
#ifdef DONT_USE_BUILTIN_SETJMP
