------- Comment #4 from pinskia at gcc dot gnu dot org 2008-06-23 22:12 -------
This is the patch which I am testing (which fixes the original issue Honza ran
into and this one too):
Index: builtins.c
===================================================================
--- builtins.c (revision 137049)
+++ builtins.c (working copy)
@@ -873,6 +873,9 @@ expand_builtin_nonlocal_goto (tree exp)
r_label = convert_memory_address (Pmode, r_label);
r_save_area = expand_normal (t_save_area);
r_save_area = convert_memory_address (Pmode, r_save_area);
+ /* Copy the address of the save location to a register just in case it was
based
+ on the frame pointer. */
+ r_save_area = copy_to_reg (r_save_area);
r_fp = gen_rtx_MEM (Pmode, r_save_area);
r_sp = gen_rtx_MEM (STACK_SAVEAREA_MODE (SAVE_NONLOCAL),
plus_constant (r_save_area, GET_MODE_SIZE (Pmode)));
@@ -887,7 +890,6 @@ expand_builtin_nonlocal_goto (tree exp)
#endif
{
r_label = copy_to_reg (r_label);
- r_sp = copy_to_reg (r_sp);
emit_clobber (gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (VOIDmode)));
emit_clobber (gen_rtx_MEM (BLKmode, hard_frame_pointer_rtx));
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |pinskia at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36594
