We don't need to initialize stack_check_probe_note in all cases now, but only
if the mechanism is the generic one.
Tested on i586-suse-linux, applied on the mainline as obvious.
2011-05-11 Eric Botcazou <[email protected]>
* function.c (expand_function_start): Initialize stack_check_probe_note
only if the generic stack checking mechanism is used.
--
Eric Botcazou
Index: function.c
===================================================================
--- function.c (revision 173643)
+++ function.c (working copy)
@@ -4813,9 +4813,8 @@ expand_function_start (tree subr)
#endif
}
- /* After the display initializations is where the stack checking
- probe should go. */
- if(flag_stack_check)
+ /* If we are doing generic stack checking, the probe should go here. */
+ if (flag_stack_check == GENERIC_STACK_CHECK)
stack_check_probe_note = emit_note (NOTE_INSN_DELETED);
/* Make sure there is a line number after the function entry setup code. */
