+2007-05-27 Eric Christopher <echristo@apple.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
+ sp_offset depending on stack size. Save r12 depending
+ on registers we're saving later.
+ (rs6000_emit_epilogue): Update sp_offset depending only
+ on stack size.
+
2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
* tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
if (!WORLD_SAVE_P (info) && info->push_p
&& !(DEFAULT_ABI == ABI_V4 || current_function_calls_eh_return))
{
- rs6000_emit_allocate_stack (info->total_size, FALSE);
+ if (info->total_size < 32767)
sp_offset = info->total_size;
+ else
+ frame_reg_rtx = frame_ptr_rtx;
+ rs6000_emit_allocate_stack (info->total_size,
+ (frame_reg_rtx != sp_reg_rtx
+ && ((info->altivec_size != 0)
+ || (info->vrsave_mask != 0)
+ )));
+ if (frame_reg_rtx != sp_reg_rtx)
+ rs6000_emit_stack_tie ();
}
/* Set frame pointer, if needed. */
}
/* Set sp_offset based on the stack push from the prologue. */
- if ((DEFAULT_ABI == ABI_V4 || current_function_calls_eh_return)
- && info->total_size < 32767)
+ if (info->total_size < 32767)
sp_offset = info->total_size;
/* Restore AltiVec registers if needed. */