> We might want to check if doing -Og and not just -O0.
You're right, thanks, amended patch attached, same ChangeLog.
--
Eric Botcazou
Index: config/rs6000/rs6000.c
===================================================================
--- config/rs6000/rs6000.c (revision 222439)
+++ config/rs6000/rs6000.c (working copy)
@@ -21932,8 +21932,8 @@ rs6000_stack_info (void)
/* Determine if we need to allocate any stack frame:
For AIX we need to push the stack if a frame pointer is needed
- (because the stack might be dynamically adjusted), if we are
- debugging, if we make calls, or if the sum of fp_save, gp_save,
+ (because the stack might be dynamically adjusted), if we want
+ to debug, if we make calls, or if the sum of fp_save, gp_save,
and local variables are more than the space needed to save all
non-volatile registers: 32-bit: 18*8 + 19*4 = 220 or 64-bit: 18*8
+ 18*8 = 288 (GPR13 reserved).
@@ -21950,7 +21950,7 @@ rs6000_stack_info (void)
else if (frame_pointer_needed)
info_ptr->push_p = 1;
- else if (TARGET_XCOFF && write_symbols != NO_DEBUG)
+ else if (TARGET_XCOFF && (!optimize || optimize_debug))
info_ptr->push_p = 1;
else
